Fix release tag again (#207)

* Bump FsUnit and NUnit

Bumps [FsUnit](https://github.com/fsprojects/FsUnit) and [NUnit](https://github.com/nunit/nunit). These dependencies needed to be updated together.

Updates `FsUnit` from 7.0.0 to 7.0.1
- [Release notes](https://github.com/fsprojects/FsUnit/releases)
- [Changelog](https://github.com/fsprojects/FsUnit/blob/master/RELEASE_NOTES.md)
- [Commits](https://github.com/fsprojects/FsUnit/compare/7.0.0...7.0.1)

Updates `NUnit` from 4.3.2 to 4.0.1
- [Release notes](https://github.com/nunit/nunit/releases)
- [Changelog](https://github.com/nunit/nunit/blob/main/CHANGES.md)
- [Commits](https://github.com/nunit/nunit/compare/4.3.2...v4.0.1)

---
updated-dependencies:
- dependency-name: FsUnit
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: NUnit
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Deps

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Smaug123 <3138005+Smaug123@users.noreply.github.com>

.config/dotnet-tools.json

@@ -3,13 +3,13 @@
   "isRoot": true,
   "tools": {
     "fantomas": {
-      "version": "6.3.9",
+      "version": "6.3.16",
       "commands": [
         "fantomas"
       ]
     },
     "fsharp-analyzers": {
-      "version": "0.26.0",
+      "version": "0.28.0",
       "commands": [
         "fsharp-analyzers"
       ]

.editorconfig

@@ -1,40 +1,40 @@
-root=true
+root = true
 
 [*]
-charset=utf-8
+charset = utf-8
-trim_trailing_whitespace=true
+trim_trailing_whitespace = true
-insert_final_newline=true
+insert_final_newline = true
-indent_style=space
+indent_style = space
-indent_size=4
+indent_size = 4
 
 # ReSharper properties
-resharper_xml_indent_size=2
+resharper_xml_indent_size = 2
-resharper_xml_max_line_length=100
+resharper_xml_max_line_length = 100
-resharper_xml_tab_width=2
+resharper_xml_tab_width = 2
 
 [*.{csproj,fsproj,sqlproj,targets,props,ts,tsx,css,json}]
-indent_style=space
+indent_style = space
-indent_size=2
+indent_size = 2
 
 [*.{fs,fsi}]
-fsharp_bar_before_discriminated_union_declaration=true
+fsharp_bar_before_discriminated_union_declaration = true
-fsharp_space_before_uppercase_invocation=true
+fsharp_space_before_uppercase_invocation = true
-fsharp_space_before_class_constructor=true
+fsharp_space_before_class_constructor = true
-fsharp_space_before_member=true
+fsharp_space_before_member = true
-fsharp_space_before_colon=true
+fsharp_space_before_colon = true
-fsharp_space_before_semicolon=true
+fsharp_space_before_semicolon = true
-fsharp_multiline_bracket_style=aligned
+fsharp_multiline_bracket_style = aligned
-fsharp_newline_between_type_definition_and_members=true
+fsharp_newline_between_type_definition_and_members = true
-fsharp_align_function_signature_to_indentation=true
+fsharp_align_function_signature_to_indentation = true
-fsharp_alternative_long_member_definitions=true
+fsharp_alternative_long_member_definitions = true
-fsharp_multi_line_lambda_closing_newline=true
+fsharp_multi_line_lambda_closing_newline = true
-fsharp_experimental_keep_indent_in_branch=true
+fsharp_experimental_keep_indent_in_branch = true
-fsharp_max_value_binding_width=80
+fsharp_max_value_binding_width = 80
-fsharp_max_record_width=0
+fsharp_max_record_width = 0
-max_line_length=120
+max_line_length = 120
-end_of_line=lf
+end_of_line = lf
 
 [*.{appxmanifest,build,dtd,nuspec,xaml,xamlx,xoml,xsd}]
-indent_style=space
+indent_style = space
-indent_size=2
+indent_size = 2
-tab_width=2
+tab_width = 2

.envrc

@@ -0,0 +1 @@
+use flake

.fantomasignore

@@ -0,0 +1 @@
+.direnv/

.github/workflows/dotnet.yaml

@@ -29,7 +29,7 @@ jobs:
       with:
         fetch-depth: 0 # so that NerdBank.GitVersioning has access to history
     - name: Install Nix
-      uses: cachix/install-nix-action@V27
+      uses: cachix/install-nix-action@v30
       with:
         extra_nix_config: |
           access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -38,7 +38,30 @@ jobs:
     - name: Build
       run: 'nix develop --command dotnet build --no-restore --configuration ${{matrix.config}}'
     - name: Test
-      run: 'nix develop --command dotnet test --no-build --verbosity normal --configuration ${{matrix.config}}'
+      run: |
+          nix develop --command dotnet test --no-build --verbosity normal --configuration ${{matrix.config}} --framework net8.0 --filter 'FullyQualifiedName !~ FailingConsumer'
+
+  selftest-intended-failures:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0 # so that NerdBank.GitVersioning has access to history
+    - name: Install Nix
+      uses: cachix/install-nix-action@v30
+      with:
+        extra_nix_config: |
+          access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
+    - name: Restore dependencies
+      run: nix develop --command dotnet restore
+    - name: Build
+      run: 'nix develop --command dotnet build --no-restore --configuration Release'
+    - name: Test using self
+      run: 'nix develop --command dotnet exec ./WoofWare.NUnitTestRunner/bin/Release/net6.0/WoofWare.NUnitTestRunner.dll ./FailingConsumer/bin/Release/net8.0/FailingConsumer.dll --trx TrxOut/out.trx || true'
+    - name: Munge output
+      run: 'nix develop --command xmlstarlet sel -N x="http://microsoft.com/schemas/VisualStudio/TeamTest/2010" -t -m "//x:UnitTestResult" -v "@testName" -o ": " -v ".//x:ErrorInfo/x:Message" -n TrxOut/out.trx > snapshot.txt'
+    - name: Check output matches expected
+      run: 'actual=$(cat snapshot.txt | sort) expected=$(cat FailingConsumer/expected.txt | sort) [ "$expected" == "$actual" ]'
 
   selftest:
     runs-on: ubuntu-latest
@@ -62,7 +85,7 @@ jobs:
       with:
         fetch-depth: 0 # so that NerdBank.GitVersioning has access to history
     - name: Install Nix
-      uses: cachix/install-nix-action@V27
+      uses: cachix/install-nix-action@v30
       with:
         extra_nix_config: |
           access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -71,7 +94,7 @@ jobs:
     - name: Build
       run: 'nix develop --command dotnet build --no-restore --configuration Release'
     - name: Test using self
-      run: 'nix develop --command dotnet exec ./WoofWare.NUnitTestRunner/bin/Release/net8.0/WoofWare.NUnitTestRunner.dll ./Consumer/bin/Release/net8.0/Consumer.dll --trx TrxOut/out.trx'
+      run: 'nix develop --command dotnet exec ./WoofWare.NUnitTestRunner/bin/Release/net6.0/WoofWare.NUnitTestRunner.dll ./Consumer/bin/Release/net8.0/Consumer.dll --trx TrxOut/out.trx'
     - name: Parse Trx files
       uses: NasAmin/trx-parser@v0.6.0
       if: always()
@@ -90,7 +113,7 @@ jobs:
         with:
           fetch-depth: 0 # so that NerdBank.GitVersioning has access to history
       - name: Install Nix
-        uses: cachix/install-nix-action@V27
+        uses: cachix/install-nix-action@v30
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -107,12 +130,14 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Install Nix
-        uses: cachix/install-nix-action@V27
+        uses: cachix/install-nix-action@v30
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
       - name: Build
         run: nix build
+      - name: Reproducibility check
+        run: nix build --rebuild
 
   check-dotnet-format:
     runs-on: ubuntu-latest
@@ -120,7 +145,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Install Nix
-        uses: cachix/install-nix-action@V27
+        uses: cachix/install-nix-action@v30
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -133,7 +158,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Install Nix
-        uses: cachix/install-nix-action@V27
+        uses: cachix/install-nix-action@v30
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -146,7 +171,7 @@ jobs:
     steps:
       - uses: actions/checkout@master
       - name: Install Nix
-        uses: cachix/install-nix-action@V27
+        uses: cachix/install-nix-action@v30
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -159,7 +184,7 @@ jobs:
     steps:
       - uses: actions/checkout@master
       - name: Install Nix
-        uses: cachix/install-nix-action@V27
+        uses: cachix/install-nix-action@v30
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -173,7 +198,7 @@ jobs:
       with:
         fetch-depth: 0 # so that NerdBank.GitVersioning has access to history
     - name: Install Nix
-      uses: cachix/install-nix-action@V27
+      uses: cachix/install-nix-action@v30
       with:
         extra_nix_config: |
           access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -215,59 +240,155 @@ jobs:
         # Verify that there is exactly one nupkg in the artifact that would be NuGet published
         run: if [[ $(find packed-tool -maxdepth 1 -name 'WoofWare.NUnitTestRunner.*.nupkg' -printf c | wc -c) -ne "1" ]]; then exit 1; fi
 
-  github-release-tool-dry-run:
+  all-required-checks-complete:
-    needs: [nuget-pack]
+    if: ${{ always() }}
+    needs: [github-release-dry-run, check-dotnet-format, check-nix-format, build, build-nix, linkcheck, flake-check, analyzers, nuget-pack, expected-pack, selftest-intended-failures, selftest]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: G-Research/common-actions/check-required-lite@2b7dc49cb14f3344fbe6019c14a31165e258c059
-      - name: Download NuGet artifact (lib)
+        with:
+          needs-context: ${{ toJSON(needs) }}
+
+  attestation-lib:
+    runs-on: ubuntu-latest
+    needs: [all-required-checks-complete]
+    if: ${{ !github.event.repository.fork && github.ref == 'refs/heads/main' }}
+    permissions:
+      id-token: write
+      attestations: write
+      contents: read
+    steps:
+      - name: Download NuGet artifact
         uses: actions/download-artifact@v4
         with:
           name: nuget-package-lib
-      - name: Download NuGet artifact (tool)
+          path: packed
+      - name: Attest Build Provenance
+        uses: actions/attest-build-provenance@7668571508540a607bdfd90a87a560489fe372eb # v2.1.0
+        with:
+          subject-path: "packed/*.nupkg"
+
+  attestation-tool:
+    runs-on: ubuntu-latest
+    needs: [all-required-checks-complete]
+    if: ${{ !github.event.repository.fork && github.ref == 'refs/heads/main' }}
+    permissions:
+      id-token: write
+      attestations: write
+      contents: read
+    steps:
+      - name: Download NuGet artifact
         uses: actions/download-artifact@v4
         with:
           name: nuget-package-tool
-      - name: Tag and release tool
+          path: packed
-        env:
+      - name: Attest Build Provenance
-          DRY_RUN: 1
+        uses: actions/attest-build-provenance@7668571508540a607bdfd90a87a560489fe372eb # v2.1.0
-          GITHUB_TOKEN: mock-token
+        with:
-        run: sh .github/workflows/tag.sh
+          subject-path: "packed/*.nupkg"
 
-  all-required-checks-complete:
+  nuget-publish-lib:
-    needs: [check-dotnet-format, check-nix-format, build, build-nix, linkcheck, flake-check, analyzers, nuget-pack, expected-pack, github-release-tool-dry-run]
-    runs-on: ubuntu-latest
-    steps:
-      - run: echo "All required checks complete."
-
-  nuget-publish:
     runs-on: ubuntu-latest
     if: ${{ !github.event.repository.fork && github.ref == 'refs/heads/main' }}
     needs: [all-required-checks-complete]
     environment: main-deploy
+    permissions:
+      id-token: write
+      attestations: write
+      contents: read
     steps:
       - uses: actions/checkout@v4
       - name: Install Nix
-        uses: cachix/install-nix-action@V27
+        uses: cachix/install-nix-action@v30
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
-      - name: Download NuGet artifact (lib)
+      - name: Download NuGet artifact
         uses: actions/download-artifact@v4
         with:
           name: nuget-package-lib
-          path: packed-lib
+          path: packed
-      - name: Publish to NuGet (lib)
+      - name: Identify .NET
-        run: nix develop --command dotnet nuget push "packed-lib/WoofWare.NUnitTestRunner.Lib.*.nupkg" --api-key ${{ secrets.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json --skip-duplicate
+        id: identify-dotnet
-      - name: Download NuGet artifact (tool)
+        run: nix develop --command bash -c "echo dotnet=$(which dotnet) >> $GITHUB_OUTPUT"
+      - name: Publish NuGet package
+        uses: G-Research/common-actions/publish-nuget@2b7dc49cb14f3344fbe6019c14a31165e258c059
+        with:
+          package-name: WoofWare.NUnitTestRunner.Lib
+          nuget-key: ${{ secrets.NUGET_API_KEY }}
+          nupkg-dir: packed/
+          dotnet: ${{ steps.identify-dotnet.outputs.dotnet }}
+
+  nuget-publish-tool:
+    runs-on: ubuntu-latest
+    if: ${{ !github.event.repository.fork && github.ref == 'refs/heads/main' }}
+    needs: [all-required-checks-complete]
+    environment: main-deploy
+    permissions:
+      id-token: write
+      attestations: write
+      contents: read
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Nix
+        uses: cachix/install-nix-action@v30
+        with:
+          extra_nix_config: |
+            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
+      - name: Download NuGet artifact
         uses: actions/download-artifact@v4
         with:
           name: nuget-package-tool
-          path: packed-tool
+          path: packed
-      - name: Publish to NuGet (tool)
+      - name: Identify .NET
-        run: nix develop --command dotnet nuget push "packed-tool/WoofWare.NUnitTestRunner.*.nupkg" --api-key ${{ secrets.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json --skip-duplicate
+        id: identify-dotnet
+        run: nix develop --command bash -c "echo dotnet=$(which dotnet) >> $GITHUB_OUTPUT"
+      - name: Publish NuGet package
+        uses: G-Research/common-actions/publish-nuget@2b7dc49cb14f3344fbe6019c14a31165e258c059
+        with:
+          package-name: WoofWare.NUnitTestRunner
+          nuget-key: ${{ secrets.NUGET_API_KEY }}
+          nupkg-dir: packed/
+          dotnet: ${{ steps.identify-dotnet.outputs.dotnet }}
 
-  github-release-tool:
+  github-release-dry-run:
+    strategy:
+      matrix:
+        artifact:
+        - nuget-package-tool
+        - nuget-package-lib
+    runs-on: ubuntu-latest
+    needs: [nuget-pack]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Download NuGet artifact (tool)
+        uses: actions/download-artifact@v4
+        with:
+          name: ${{ matrix.artifact }}
+      - name: Compute package path
+        id: compute-path
+        run: |
+          find . -maxdepth 1 -type f -name 'WoofWare.NUnitTestRunner.*.nupkg' -exec sh -c 'echo "output=$(basename "$1")" >> $GITHUB_OUTPUT' shell {} \;
+      - name: Compute tag name
+        id: compute-tag
+        env:
+          NUPKG_PATH: ${{ steps.compute-path.outputs.output }}
+        run: echo "output=$(basename "$NUPKG_PATH" .nupkg)" >> $GITHUB_OUTPUT
+      - name: Tag and release
+        uses: G-Research/common-actions/github-release@9b51229eed6e1de78c37d0f17602f9570c074c3d
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          target-commitish: ${{ github.sha }}
+          tag: ${{ steps.compute-tag.outputs.output }}
+          binary-contents: ${{ steps.compute-path.outputs.output }}
+          dry-run: true
+
+  github-release:
+    strategy:
+      matrix:
+        artifact:
+        - nuget-package-tool
+        - nuget-package-lib
     runs-on: ubuntu-latest
     if: ${{ !github.event.repository.fork && github.ref == 'refs/heads/main' }}
     needs: [all-required-checks-complete]
@@ -279,12 +400,20 @@ jobs:
       - name: Download NuGet artifact (tool)
         uses: actions/download-artifact@v4
         with:
-          name: nuget-package-tool
+          name: ${{ matrix.artifact }}
-      - name: Download NuGet artifact (lib)
+      - name: Compute package path
-        uses: actions/download-artifact@v4
+        id: compute-path
-        with:
+        run: |
-          name: nuget-package-lib
+          find . -maxdepth 1 -type f -name 'WoofWare.NUnitTestRunner.*.nupkg' -exec sh -c 'echo "output=$(basename "$1")" >> $GITHUB_OUTPUT' shell {} \;
-      - name: Tag and release plugin
+      - name: Compute tag name
+        id: compute-tag
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NUPKG_PATH: ${{ steps.compute-path.outputs.output }}
-        run: sh .github/workflows/tag.sh
+        run: echo "output=$(basename "$NUPKG_PATH" .nupkg)" >> $GITHUB_OUTPUT
+      - name: Tag and release
+        uses: G-Research/common-actions/github-release@9b51229eed6e1de78c37d0f17602f9570c074c3d # TODO: set this to a prod version
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          target-commitish: ${{ github.sha }}
+          tag: ${{ steps.compute-tag.outputs.output }}
+          binary-contents: ${{ steps.compute-path.outputs.output }}

.github/workflows/flake_update.yaml

@@ -0,0 +1,54 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/SchemaStore/schemastore/master/src/schemas/json/github-workflow.json
+name: Weekly Nix Flake Update
+
+on:
+  schedule:
+    - cron: '0 0 * * 0'  # Runs at 00:00 every Sunday
+  workflow_dispatch:  # Allows manual triggering
+
+jobs:
+  update-nix-flake:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Install Nix
+        uses: DeterminateSystems/nix-installer-action@main
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Update Nix flake
+        run: 'nix flake update'
+
+      - name: Build fetch-deps
+        run: 'nix build ".#default.fetch-deps"'
+
+      - name: Run fetch-deps
+        run: ./result nix/deps.json
+
+      - name: Format
+        run: 'nix develop --command alejandra .'
+
+      - name: Create token
+        id: generate-token
+        uses: actions/create-github-app-token@v1
+        with:
+          # https://github.com/actions/create-github-app-token/issues/136
+          app-id: ${{ secrets.APP_ID }}
+          private-key: ${{ secrets.APP_PRIVATE_KEY }}
+
+      - name: Raise pull request
+        uses: Smaug123/commit-action@cc25e6d80a796c49669dda4a0aa36c54c573983d
+        id: cpr
+        with:
+            bearer-token: ${{ steps.generate-token.outputs.token }}
+            pr-title: "Upgrade Nix flake and deps"
+
+      - name: Enable Pull Request Automerge
+        if: ${{ steps.cpr.outputs.pull-request-number }}
+        uses: peter-evans/enable-pull-request-automerge@v3
+        with:
+          token: ${{ steps.generate-token.outputs.token }}
+          pull-request-number: ${{ steps.cpr.outputs.pull-request-number }}
+          merge-method: squash

.github/workflows/tag.sh

@@ -1,124 +0,0 @@
-#!/bin/bash
-
-echo "Dry-run? $DRY_RUN!"
-
-find . -maxdepth 1 -type f ! -name "$(printf "*\n*")" -name '*.nupkg' | while IFS= read -r file
-do
-    tag=$(basename "$file" .nupkg)
-    git tag "$tag"
-    ${DRY_RUN:+echo} git push origin "$tag"
-done
-
-export TAG
-TAG=$(find . -maxdepth 1 -type f -name 'WoofWare.NUnitTestRunner.*.nupkg' -exec sh -c 'basename "$1" .nupkg' shell {} \; | grep -v Lib)
-
-case "$TAG" in
-  *"
-"*)
-    echo "Error: TAG contains a newline; multiple tools found."
-    exit 1
-    ;;
-esac
-
-# target_commitish empty indicates the repo default branch
-IS_PRERELEASE="false"
-if [ "${TAG#*prerelease}" != "$TAG" ]; then
-    IS_PRERELEASE="true"
-fi
-curl_body='{"tag_name":"'"$TAG"'","target_commitish":"","name":"'"$TAG"'","draft":false,"prerelease":'"$IS_PRERELEASE"',"generate_release_notes":false}'
-
-echo "cURL body: $curl_body"
-
-failed_output=$(cat <<'EOF'
-{
-  "message": "Validation Failed",
-  "errors": [
-    {
-      "resource": "Release",
-      "code": "already_exists",
-      "field": "tag_name"
-    }
-  ],
-  "documentation_url": "https://docs.github.com/rest/releases/releases#create-a-release"
-}
-EOF
-)
-
-success_output=$(cat <<'EOF'
-{
-  "url": "https://api.github.com/repos/Smaug123/unofficial-nunit-runner/releases/158152116",
-  "assets_url": "https://api.github.com/repos/Smaug123/unofficial-nunit-runner/releases/158152116/assets",
-  "upload_url": "https://uploads.github.com/repos/Smaug123/unofficial-nunit-runner/releases/158152116/assets{?name,label}",
-  "html_url": "https://github.com/Smaug123/unofficial-nunit-runner/releases/tag/WoofWare.NUnitTestRunner.2.1.30",
-  "id": 158152116,
-  "author": {
-    "login": "github-actions[bot]",
-    "id": 41898282,
-    "node_id": "MDM6Qm90NDE4OTgyODI=",
-    "avatar_url": "https://avatars.githubusercontent.com/in/15368?v=4",
-    "gravatar_id": "",
-    "url": "https://api.github.com/users/github-actions%5Bbot%5D",
-    "html_url": "https://github.com/apps/github-actions",
-    "followers_url": "https://api.github.com/users/github-actions%5Bbot%5D/followers",
-    "following_url": "https://api.github.com/users/github-actions%5Bbot%5D/following{/other_user}",
-    "gists_url": "https://api.github.com/users/github-actions%5Bbot%5D/gists{/gist_id}",
-    "starred_url": "https://api.github.com/users/github-actions%5Bbot%5D/starred{/owner}{/repo}",
-    "subscriptions_url": "https://api.github.com/users/github-actions%5Bbot%5D/subscriptions",
-    "organizations_url": "https://api.github.com/users/github-actions%5Bbot%5D/orgs",
-    "repos_url": "https://api.github.com/users/github-actions%5Bbot%5D/repos",
-    "events_url": "https://api.github.com/users/github-actions%5Bbot%5D/events{/privacy}",
-    "received_events_url": "https://api.github.com/users/github-actions%5Bbot%5D/received_events",
-    "type": "Bot",
-    "site_admin": false
-  },
-  "node_id": "RE_kwDOJfksgc4JbTW0",
-  "tag_name": "WoofWare.NUnitTestRunner.2.1.30",
-  "target_commitish": "main",
-  "name": "WoofWare.NUnitTestRunner.2.1.30",
-  "draft": false,
-  "prerelease": false,
-  "created_at": "2024-05-30T11:00:55Z",
-  "published_at": "2024-05-30T11:03:02Z",
-  "assets": [
-
-  ],
-  "tarball_url": "https://api.github.com/repos/Smaug123/unofficial-nunit-runner/tarball/WoofWare.NUnitTestRunner.2.1.30",
-  "zipball_url": "https://api.github.com/repos/Smaug123/unofficial-nunit-runner/zipball/WoofWare.NUnitTestRunner.2.1.30",
-  "body": null
-}
-EOF
-)
-
-HANDLE_OUTPUT=''
-handle_error() {
-    ERROR_OUTPUT="$1"
-    exit_message=$(echo "$ERROR_OUTPUT" | jq -r --exit-status 'if .errors | length == 1 then .errors[0].code else null end')
-    if [ "$exit_message" = "already_exists" ] ; then
-        HANDLE_OUTPUT="Did not create GitHub release because it already exists at this version."
-    else
-        echo "Unexpected error output from curl: $(cat curl_output.json)"
-        echo "JQ output: $(exit_message)"
-        exit 2
-    fi
-}
-
-run_tests() {
-    handle_error "$failed_output"
-    if [ "$HANDLE_OUTPUT" != "Did not create GitHub release because it already exists at this version." ]; then
-        echo "Bad output from handler: $HANDLE_OUTPUT"
-        exit 3
-    fi
-    HANDLE_OUTPUT=''
-    echo "Tests passed."
-}
-
-run_tests
-
-if [ "$DRY_RUN" != 1 ] ; then
-    if curl --fail-with-body -L -X POST -H "Accept: application/vnd.github+json" -H "Authorization: Bearer $GITHUB_TOKEN" -H "X-GitHub-Api-Version: 2022-11-28" https://api.github.com/repos/Smaug123/unofficial-nunit-runner/releases -d "$curl_body" > curl_output.json; then
-        echo "Curl succeeded."
-    else
-        handle_error "$(cat curl_output.json)"
-        echo "$HANDLE_OUTPUT"
-    fi
-fi

Consumer/Consumer.fsproj

@@ -1,8 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net8.0</TargetFramework>
+        <TargetFrameworks>net8.0</TargetFrameworks>
-
         <IsPackable>false</IsPackable>
         <IsTestProject>true</IsTestProject>
     </PropertyGroup>
@@ -10,7 +9,11 @@
     <ItemGroup>
         <Compile Include="NoAttribute.fs" />
         <Compile Include="Inconclusive.fs" />
+        <Compile Include="RunSubProcess.fs" />
+        <Compile Include="TestNonParallel.fs" />
         <Compile Include="TestParallel.fs" />
+        <Compile Include="TestParallelIndividualTest.fs" />
+        <Compile Include="TestStdout.fs" />
         <Compile Include="TestParameterisedFixture.fs" />
         <Compile Include="TestSetUp.fs" />
         <Compile Include="TestValues.fs" />
@@ -23,10 +26,10 @@
     </ItemGroup>
 
     <ItemGroup>
-      <PackageReference Include="FsUnit" Version="6.0.0" />
+      <PackageReference Include="FsUnit" Version="7.0.1" />
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0"/>
+      <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0"/>
-        <PackageReference Include="NUnit" Version="4.1.0"/>
+      <PackageReference Include="NUnit" Version="4.3.2"/>
-        <PackageReference Include="NUnit3TestAdapter" Version="4.5.0"/>
+      <PackageReference Include="NUnit3TestAdapter" Version="4.6.0"/>
     </ItemGroup>
 
 </Project>

Consumer/RunSubProcess.fs

@@ -0,0 +1,45 @@
+namespace Consumer
+
+open System
+open System.Diagnostics
+open System.IO
+open System.IO.Compression
+open System.Text
+open NUnit.Framework
+open FsUnitTyped
+
+[<TestFixture>]
+module RunSubProcess =
+    [<Test>]
+    let ``Run a subprocess`` () =
+        let exe = "/bin/bash"
+        let args = [ "-c" ; "echo hi >&2 && echo bye" ]
+        let workingDir = None
+
+        let psi =
+            ProcessStartInfo (
+                exe,
+                UseShellExecute = false,
+                RedirectStandardError = true,
+                RedirectStandardOutput = true,
+                WorkingDirectory = Option.toObj workingDir
+            )
+
+        for arg in args do
+            psi.ArgumentList.Add arg
+
+        psi.EnvironmentVariables.Add ("THING", Path.Combine (AppDomain.CurrentDomain.BaseDirectory, "hi"))
+        let stderr = StringBuilder ()
+        use proc = new Process (StartInfo = psi)
+        proc.OutputDataReceived.Add (fun e -> printfn $"%s{e.Data}")
+
+        proc.ErrorDataReceived.Add (fun e ->
+            eprintfn $"%s{e.Data}"
+            stderr.AppendLine e.Data |> ignore
+        )
+
+        proc.Start () |> shouldEqual true
+        proc.BeginOutputReadLine ()
+        proc.BeginErrorReadLine ()
+
+        proc.WaitForExit ()

Consumer/TestNonParallel.fs

@@ -0,0 +1,19 @@
+namespace Consumer
+
+open System
+open System.Threading
+open NUnit.Framework
+open FsUnitTyped
+
+[<TestFixture>]
+[<NonParallelizable>]
+module TestNonParallel =
+    let defaults = List.init 40 id
+    let lock = ref 0
+
+    [<TestCaseSource(nameof defaults)>]
+    let ``Default thing, but not parallel`` (i : int) =
+        Interlocked.Increment lock |> shouldEqual 1
+        Thread.Sleep (TimeSpan.FromMilliseconds (float i))
+        lock.Value <- 0
+        i |> shouldEqual i

Consumer/TestParallel.fs

@@ -1,5 +1,7 @@
 namespace Consumer
 
+open System
+open System.Threading
 open NUnit.Framework
 open FsUnitTyped
 
@@ -7,43 +9,58 @@ open FsUnitTyped
 [<Parallelizable>]
 module TestParallelDefault =
 
-    let defaults = List.init 100 id
+    let defaults = List.init 60 id
 
     [<TestCaseSource(nameof defaults)>]
-    let ``Default thing`` (i : int) = i |> shouldEqual i
+    let ``Default thing, no scope`` (i : int) =
+        Console.WriteLine i
+        Thread.Sleep (TimeSpan.FromMilliseconds (float i))
+        i |> shouldEqual i
 
 [<TestFixture>]
 [<Parallelizable(ParallelScope.All)>]
 module TestParallelAllScope =
 
-    let defaults = List.init 100 id
+    let defaults = List.init 60 id
 
     [<TestCaseSource(nameof defaults)>]
-    let ``Default thing`` (i : int) = i |> shouldEqual i
+    let ``Thing, all scope`` (i : int) =
+        Console.WriteLine i
+        Thread.Sleep (TimeSpan.FromMilliseconds (float i))
+        i |> shouldEqual i
 
 [<TestFixture>]
 [<Parallelizable(ParallelScope.Self)>]
 module TestParallelSelfScope =
 
-    let defaults = List.init 100 id
+    let defaults = List.init 60 id
 
     [<TestCaseSource(nameof defaults)>]
-    let ``Default thing`` (i : int) = i |> shouldEqual i
+    let ``Thing, self scope`` (i : int) =
+        Console.WriteLine i
+        Thread.Sleep (TimeSpan.FromMilliseconds (float i))
+        i |> shouldEqual i
 
 [<TestFixture>]
 [<Parallelizable(ParallelScope.Children)>]
 module TestParallelChildrenScope =
 
-    let defaults = List.init 100 id
+    let defaults = List.init 60 id
 
     [<TestCaseSource(nameof defaults)>]
-    let ``Default thing`` (i : int) = i |> shouldEqual i
+    let ``Thing, children scope`` (i : int) =
+        Console.WriteLine i
+        Thread.Sleep (TimeSpan.FromMilliseconds (float i))
+        i |> shouldEqual i
 
 [<TestFixture>]
 [<Parallelizable(ParallelScope.Fixtures)>]
 module TestParallelFixturesScope =
 
-    let defaults = List.init 100 id
+    let defaults = List.init 60 id
 
     [<TestCaseSource(nameof defaults)>]
-    let ``Default thing`` (i : int) = i |> shouldEqual i
+    let ``Thing, fixtures scope`` (i : int) =
+        Console.WriteLine i
+        Thread.Sleep (TimeSpan.FromMilliseconds (float i))
+        i |> shouldEqual i

Consumer/TestParallelIndividualTest.fs

@@ -0,0 +1,59 @@
+namespace Consumer
+
+open System
+open System.Collections.Concurrent
+open System.Threading
+open NUnit.Framework
+open FsUnitTyped
+
+// These tests are flaky if the bug https://github.com/Smaug123/unofficial-nunit-runner/issues/168 is unfixed.
+[<TestFixture>]
+module TestParallelIndividualTest =
+
+    type private Transitions =
+        | Started of int
+        | LockAcquired of int
+        | Exited of int
+
+    let locker = obj ()
+    let private sequence = ConcurrentQueue<Transitions> ()
+
+    [<Test>]
+    [<Parallelizable(ParallelScope.None)>]
+    let ``does not run in parallel`` () =
+        sequence.Enqueue (Transitions.Started 0)
+        let entered = Monitor.TryEnter (locker, TimeSpan.Zero)
+
+        if entered then
+            sequence.Enqueue (Transitions.LockAcquired 0)
+            Monitor.Exit locker
+            sequence.Enqueue (Transitions.Exited 0)
+        else
+            sequence.Enqueue (Transitions.Exited 0)
+            failwith "failed to acquire the lock"
+
+    [<Test>]
+    let ``unrestricted parallelism`` () =
+        sequence.Enqueue (Transitions.Started 1)
+        let entered = Monitor.TryEnter (locker, TimeSpan.Zero)
+
+        if entered then
+            sequence.Enqueue (Transitions.LockAcquired 1)
+            Monitor.Exit locker
+            sequence.Enqueue (Transitions.Exited 1)
+        else
+            sequence.Enqueue (Transitions.Exited 1)
+            failwith "failed to acquire the lock"
+
+    [<OneTimeTearDown>]
+    let ``It worked`` () =
+        let sequence = sequence |> Seq.toList
+
+        let allowed n =
+            [ Transitions.Started n ; Transitions.LockAcquired n ; Transitions.Exited n ]
+
+        if sequence <> allowed 0 @ allowed 1 && sequence <> allowed 1 @ allowed 0 then
+            let s = sequence |> Seq.map string<Transitions> |> String.concat "\n"
+            failwith $"Unexpected sequence!\n%s{s}"
+
+        ()

Consumer/TestSetUp.fs

@@ -1,5 +1,6 @@
 namespace Consumer
 
+open System
 open FsUnitTyped
 open System.Threading
 open NUnit.Framework
@@ -11,6 +12,8 @@ module TestSetUp =
 
     [<OneTimeSetUp>]
     let oneTimeSetUp () =
+        Console.WriteLine "I'm being set up for the first time!"
+
         if Interlocked.Increment haveOneTimeSetUp <> 1 then
             failwith "one time setup happened more than once"
 
@@ -22,12 +25,14 @@ module TestSetUp =
 
     [<SetUp>]
     let setUp () =
+        Console.WriteLine "It's a set-up!"
         haveOneTimeSetUp.Value |> shouldEqual 1
         let newId = Interlocked.Increment setUpTimes
         lock setUpTimesSeen (fun () -> setUpTimesSeen.Add newId)
 
     [<TearDown>]
     let tearDown () =
+        Console.WriteLine "I'm a tear-down!"
         let newId = Interlocked.Increment tearDownTimes
         lock tearDownTimesSeen (fun () -> tearDownTimesSeen.Add newId)
 
@@ -35,19 +40,23 @@ module TestSetUp =
 
     [<OneTimeTearDown>]
     let oneTimeTearDown () =
+        Console.WriteLine "I'm being torn down, finally!"
+
         if Interlocked.Increment haveOneTimeTearDown <> 1 then
             failwith "one time tear down happened more than once"
 
         setUpTimesSeen
         |> Seq.toList
+        |> List.sort
         // Six tests: one for Test, two for the TestCase, three for the Repeat.
         |> shouldEqual [ 1..6 ]
 
-        tearDownTimesSeen |> Seq.toList |> shouldEqual [ 1..6 ]
+        tearDownTimesSeen |> Seq.toList |> List.sort |> shouldEqual [ 1..6 ]
 
     [<Test>]
     let ``Test 1`` () =
         haveOneTimeTearDown.Value |> shouldEqual 0
+        Console.WriteLine "By the way, I'm test 1"
         1 |> shouldEqual 1
 
     [<TestCase "h">]

Consumer/TestStdout.fs

@@ -0,0 +1,13 @@
+namespace Consumer
+
+open System
+open NUnit.Framework
+
+[<TestFixture>]
+module TestStdout =
+
+    [<Test>]
+    let ``Stdout is redirected`` () =
+        Console.Out.WriteLine "Hi!"
+        Console.WriteLine "Hi! part 2"
+        Console.Error.WriteLine "Bye!"

Consumer/TestValues.fs

@@ -86,14 +86,42 @@ module TestValues =
 
     [<OneTimeTearDown>]
     let ``Values are all OK`` () =
-        seen1 |> Seq.toList |> shouldEqual [ true ; false ]
+        seen1 |> Seq.toList |> List.sort |> shouldEqual [ false ; true ]
-        seen2 |> Seq.toList |> shouldEqual [ (true, false) ; (false, true) ]
+
-        seen3 |> Seq.toList |> shouldEqual [ (88, box 29) ; (31, box 0) ]
+        seen2
-        seen4 |> Seq.toList |> shouldEqual [ ("hi", box "ohh") ; ("bye", null) ]
+        |> Seq.toList
-        seen5 |> Seq.toList |> shouldEqual [ (88, box 29) ; (31, box 29) ]
+        |> List.sort
-        seen6 |> Seq.toList |> shouldEqual [ ("hi", box "ohh") ; ("bye", box "ohh") ]
+        |> shouldEqual [ (false, true) ; (true, false) ]
-        seen7 |> Seq.toList |> shouldEqual [ (88, box 29) ; (31, box 29) ]
+
-        seen8 |> Seq.toList |> shouldEqual [ ("hi", box "ohh") ; ("bye", box "ohh") ]
+        seen3
+        |> Seq.toList
+        |> List.sortBy fst
+        |> shouldEqual [ (31, box 0) ; (88, box 29) ]
+
+        seen4
+        |> Seq.toList
+        |> List.sortBy fst
+        |> shouldEqual [ ("bye", null) ; ("hi", box "ohh") ]
+
+        seen5
+        |> Seq.toList
+        |> List.sortBy fst
+        |> shouldEqual [ (31, box 29) ; (88, box 29) ]
+
+        seen6
+        |> Seq.toList
+        |> List.sortBy fst
+        |> shouldEqual [ ("bye", box "ohh") ; ("hi", box "ohh") ]
+
+        seen7
+        |> Seq.toList
+        |> List.sortBy fst
+        |> shouldEqual [ (31, box 29) ; (88, box 29) ]
+
+        seen8
+        |> Seq.toList
+        |> List.sortBy fst
+        |> shouldEqual [ ("bye", box "ohh") ; ("hi", box "ohh") ]
 
         seen9
         |> Seq.toList

Directory.Build.props

@@ -10,7 +10,7 @@
     <WarnOn>FS3388,FS3559</WarnOn>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Nerdbank.GitVersioning" Version="3.6.139" PrivateAssets="all"/>
+    <PackageReference Include="Nerdbank.GitVersioning" Version="3.7.112" PrivateAssets="all"/>
   </ItemGroup>
   <PropertyGroup Condition="'$(GITHUB_ACTION)' != ''">
     <ContinuousIntegrationBuild>true</ContinuousIntegrationBuild>

FailingConsumer/FailingConsumer.fsproj

@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+      <TargetFramework>net8.0</TargetFramework>
+      <IsPackable>false</IsPackable>
+      <IsTestProject>true</IsTestProject>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <Compile Include="TestInsufficientArgs.fs" />
+    </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="FsUnit" Version="7.0.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0"/>
+    <PackageReference Include="NUnit" Version="4.3.2"/>
+    <PackageReference Include="NUnit3TestAdapter" Version="4.6.0"/>
+  </ItemGroup>
+
+</Project>

FailingConsumer/TestInsufficientArgs.fs

@@ -0,0 +1,9 @@
+namespace FailingConsumer
+
+open NUnit.Framework
+
+[<TestFixture>]
+module TestInsufficientArgs =
+
+    [<Test>]
+    let foo (_ : int) = ()

FailingConsumer/expected.txt

@@ -0,0 +1 @@
+foo: had parameter count mismatch: expected 1, actual 0

README.md

@@ -12,5 +12,4 @@ However, we would recommend phrasing some of them differently, for maximum peace
 ## Parallelism
 
 WoofWare.NUnitTestRunner has *limited* support for parallelism.
-By default, we run tests serially; we may or may not respect the NUnit parallelism attributes to any given extent (but we will never incorrectly run tests in parallel).
+By default, we run tests in parallel, taking half the available processors; we may or may not respect the NUnit parallelism attributes to any given extent that they tell us to be *more* parallel (but we will never incorrectly run tests in parallel).
-For example, as of this writing, we do not run any tests in parallel (but the internal infrastructure is set up so that we will be able to do this soon).

WoofWare.NUnitTestRunner.Lib/Args.fs

@@ -0,0 +1,99 @@
+namespace WoofWare.NUnitTestRunner
+
+open System
+open System.IO
+
+[<AutoOpen>]
+module internal Patterns =
+    let (|Key|_|) (start : string) (s : string) : string option =
+        if s.StartsWith (start + "=", StringComparison.Ordinal) then
+            s.Substring (start.Length + 1) |> Some
+        else
+            None
+
+/// Represents how verbose the test runner's logging should be.
+[<RequireQualifiedAccess>]
+type LogLevel =
+    /// Don't log any information about the test run.
+    | Nothing
+    /// Log as much information as is available about the test run.
+    | Verbose
+
+/// Arguments controlling the test runner itself (not the tests therein).
+type Args =
+    {
+        /// The DLL containing the tests we'll reflectively discover and invoke.
+        Dll : FileInfo
+        /// If set, the output file into which we will write a TRX report. (We'll create parent directories as necessary.)
+        Trx : FileInfo option
+        /// Also contains the original string which specified the filter.
+        Filter : (string * Filter) option
+        /// How verbose to be with the test runner's own logging.
+        Logging : LogLevel
+        /// Maximum number of tests which can run concurrently. This setting overrides any LevelOfParallelism reflectively
+        /// extracted from the assembly under test.
+        LevelOfParallelism : int option
+        /// Abort if the test runner is running for longer than this timeout.
+        Timeout : TimeSpan option
+    }
+
+    /// Parse `argv` into a structured Args.
+    static member Parse (args : string list) : Args =
+        match args with
+        | [] -> failwith "The first arg must be a positional arg, the DLL to test."
+        | dll :: args ->
+
+        let rec go
+            (trx : FileInfo option)
+            (filter : (string * Filter) option)
+            (logging : LogLevel option)
+            (par : int option)
+            (timeout : TimeSpan option)
+            (args : string list)
+            =
+            match args with
+            | [] ->
+                {
+                    Dll = FileInfo dll
+                    Trx = trx
+                    Filter = filter
+                    Logging = logging |> Option.defaultValue LogLevel.Nothing
+                    LevelOfParallelism = par
+                    Timeout = timeout
+                }
+            | Key "--filter" filterStr :: rest
+            | "--filter" :: filterStr :: rest ->
+                match filter with
+                | Some _ -> failwith "Two conflicting filters; you can only specify --filter once"
+                | None -> go trx (Some (filterStr, Filter.parse filterStr)) logging par timeout rest
+            | Key "--trx" trxStr :: rest
+            | "--trx" :: trxStr :: rest ->
+                match trx with
+                | Some _ -> failwith "Two conflicting TRX outputs; you can only specify --trx once"
+                | None -> go (Some (FileInfo trxStr)) filter logging par timeout rest
+            | Key "--verbose" verboseStr :: rest
+            | "--verbose" :: verboseStr :: rest ->
+                match logging with
+                | Some _ -> failwith "Two conflicting --verbose outputs; you can only specify --verbose once"
+                | None ->
+                    let verbose =
+                        if Boolean.Parse verboseStr then
+                            LogLevel.Verbose
+                        else
+                            LogLevel.Nothing
+
+                    go trx filter (Some verbose) par timeout rest
+            | Key "--parallelism" parStr :: rest
+            | "--parallelism" :: parStr :: rest ->
+                match par with
+                | Some _ -> failwith "Two conflicting --parallelism outputs; you can only specify --parallelism once"
+                | None -> go trx filter logging (Some (Int32.Parse parStr)) timeout rest
+            | Key "--timeout-seconds" timeoutStr :: rest
+            | "--timeout-seconds" :: timeoutStr :: rest ->
+                match timeout with
+                | Some _ ->
+                    failwith "Two conflicting --timeout-seconds outputs; you can only specify --timeout-seconds once"
+                | None -> go trx filter logging par (Some (TimeSpan.FromSeconds (Int32.Parse timeoutStr |> float))) rest
+            | k :: _rest -> failwith $"Unrecognised arg %s{k}"
+
+        go None None None None None args

WoofWare.NUnitTestRunner.Lib/AssemblyLevelAttributes.fs

@@ -0,0 +1,62 @@
+namespace WoofWare.NUnitTestRunner
+
+open System.Reflection
+
+/// Attributes at the assembly level which control the behaviour of NUnit.
+type AssemblyLevelAttributes =
+    {
+        /// How many tests can be running at once, if anything's running in parallel.
+        Parallelism : int option
+        /// Whether the tests in this assembly can be parallelised at all.
+        Parallelizable : Parallelizable<AssemblyParallelScope> option
+    }
+
+[<RequireQualifiedAccess>]
+module AssemblyLevelAttributes =
+
+    /// Reflectively obtain the values of any relevant assembly attributes.
+    let get (assy : Assembly) : AssemblyLevelAttributes =
+        ((None, None), assy.CustomAttributes)
+        ||> Seq.fold (fun (levelPar, par) attr ->
+            match attr.AttributeType.FullName with
+            | "NUnit.Framework.LevelOfParallelismAttribute" ->
+                let arg = attr.ConstructorArguments |> Seq.exactlyOne |> _.Value |> unbox<int>
+
+                match levelPar with
+                | None -> (Some arg, par)
+                | Some existing ->
+                    failwith $"Assembly %s{assy.Location} declares parallelism %i{arg} and also %i{existing}"
+            | "NUnit.Framework.NonParallelizableAttribute" ->
+                match levelPar with
+                | None -> (Some 1, par)
+                | Some existing ->
+                    failwith
+                        $"Assembly %s{assy.Location} declares non-parallelizable and also parallelism %i{existing}"
+            | "NUnit.Framework.ParallelizableAttribute" ->
+                match par with
+                | Some _ -> failwith "Got multiple Parallelize attributes in assembly"
+                | None ->
+                    match attr.ConstructorArguments |> Seq.toList with
+                    | [] -> levelPar, Some (Parallelizable.Yes AssemblyParallelScope.Fixtures)
+                    | [ v ] ->
+                        match v.Value with
+                        | :? int as v ->
+                            match ParallelScope.ofInt v with
+                            | ParallelScope.Fixtures ->
+                                levelPar, Some (Parallelizable.Yes AssemblyParallelScope.Fixtures)
+                            | ParallelScope.Children ->
+                                levelPar, Some (Parallelizable.Yes AssemblyParallelScope.Children)
+                            | ParallelScope.None -> levelPar, Some Parallelizable.No
+                            | ParallelScope.All ->
+                                failwith "ParallelScope.All is invalid on assemblies; only Fixtures or Children"
+                            | ParallelScope.Self ->
+                                failwith "ParallelScope.Self is invalid on assemblies; only Fixtures or Children"
+                        | v -> failwith $"Unexpectedly non-int value %O{v} of parallel scope on assembly"
+                    | _ -> failwith "unexpectedly got multiple args to Parallelizable on assembly"
+            | _ -> levelPar, par
+        )
+        |> fun (par, canPar) ->
+            {
+                Parallelizable = canPar
+                Parallelism = par
+            }

WoofWare.NUnitTestRunner.Lib/Context.fs

@@ -0,0 +1,186 @@
+namespace WoofWare.NUnitTestRunner
+
+open System
+open System.Collections.Generic
+open System.IO
+open System.Reflection
+open System.Runtime.Loader
+open System.Text
+open System.Threading
+
+type internal OutputStreamId = | OutputStreamId of Guid
+
+type private ThreadAwareWriter
+    (
+        local : AsyncLocal<OutputStreamId>,
+        underlying : Dictionary<OutputStreamId, TextWriter>,
+        mem : Dictionary<OutputStreamId, MemoryStream>
+    )
+    =
+    inherit TextWriter ()
+    override _.get_Encoding () = Encoding.Default
+
+    override this.Write (v : char) : unit =
+        use prev = ExecutionContext.Capture ()
+
+        (fun _ ->
+            (fun () ->
+                match underlying.TryGetValue local.Value with
+                | true, output -> output.Write v
+                | false, _ ->
+                    let wanted =
+                        underlying |> Seq.map (fun (KeyValue (a, b)) -> $"%O{a}") |> String.concat "\n"
+
+                    failwith $"no such context: %O{local.Value}\nwanted:\n"
+            )
+            |> lock underlying
+        )
+        |> fun action -> ExecutionContext.Run (prev, action, ())
+
+    override this.WriteLine (v : string) : unit =
+        use prev = ExecutionContext.Capture ()
+
+        (fun _ ->
+            (fun () ->
+                match underlying.TryGetValue local.Value with
+                | true, output -> output.WriteLine v
+                | false, _ ->
+                    let wanted =
+                        underlying |> Seq.map (fun (KeyValue (a, b)) -> $"%O{a}") |> String.concat "\n"
+
+                    failwith $"no such context: %O{local.Value}\nwanted:\n"
+            )
+            |> lock underlying
+        )
+        |> fun action -> ExecutionContext.Run (prev, action, ())
+
+/// Wraps up the necessary context to intercept global state.
+[<NoEquality ; NoComparison>]
+type TestContexts =
+    private
+        {
+            /// Accesses to this must be locked on StdOutWriters.
+            StdOuts : Dictionary<OutputStreamId, MemoryStream>
+            /// Accesses to this must be locked on StdErrWriters.
+            StdErrs : Dictionary<OutputStreamId, MemoryStream>
+            StdOutWriters : Dictionary<OutputStreamId, TextWriter>
+            StdErrWriters : Dictionary<OutputStreamId, TextWriter>
+            StdOutWriter : TextWriter
+            StdErrWriter : TextWriter
+            AsyncLocal : AsyncLocal<OutputStreamId>
+        }
+
+    /// Call this exactly once.
+    static member Empty () =
+        let stdouts = Dictionary ()
+        let stderrs = Dictionary ()
+        let stdoutWriters = Dictionary ()
+        let stderrWriters = Dictionary ()
+        let local = AsyncLocal ()
+        let stdoutWriter = new ThreadAwareWriter (local, stdoutWriters, stdouts)
+        let stderrWriter = new ThreadAwareWriter (local, stderrWriters, stderrs)
+
+        {
+            StdOuts = stdouts
+            StdErrs = stderrs
+            StdOutWriter = stdoutWriter
+            StdErrWriter = stderrWriter
+            StdOutWriters = stdoutWriters
+            StdErrWriters = stderrWriters
+            AsyncLocal = local
+        }
+
+    /// An output stream which will identify the ExecutionContext it's being written to from,
+    /// and will separate that output into its own stream internally.
+    member this.Stdout : TextWriter = this.StdOutWriter
+
+    /// An output stream which will identify the ExecutionContext it's being written to from,
+    /// and will separate that output into its own stream internally.
+    member this.Stderr : TextWriter = this.StdErrWriter
+
+    member internal this.DumpStdout (id : OutputStreamId) : string =
+        lock
+            this.StdOutWriters
+            (fun () ->
+                this.StdOutWriters.[id].Flush ()
+                this.StdOuts.[id].ToArray ()
+            )
+        |> Encoding.Default.GetString
+
+    member internal this.DumpStderr (id : OutputStreamId) : string =
+        lock
+            this.StdErrWriters
+            (fun () ->
+                this.StdErrWriters.[id].Flush ()
+                this.StdErrs.[id].ToArray ()
+            )
+        |> Encoding.Default.GetString
+
+    member internal this.NewOutputs () =
+        let id = Guid.NewGuid () |> OutputStreamId
+        let msOut = new MemoryStream ()
+        let wrOut = new StreamWriter (msOut)
+        let msErr = new MemoryStream ()
+        let wrErr = new StreamWriter (msErr)
+
+        lock
+            this.StdOutWriters
+            (fun () ->
+                this.StdOutWriters.Add (id, wrOut)
+                this.StdOuts.Add (id, msOut)
+            )
+
+        lock
+            this.StdErrWriters
+            (fun () ->
+                this.StdErrWriters.Add (id, wrErr)
+                this.StdErrs.Add (id, msErr)
+            )
+
+        id
+
+    interface IDisposable with
+        member this.Dispose () =
+            // TODO: dispose the streams
+            ()
+
+/// A separate AssemblyLoadContext within which you can run the tests in the given DLL.
+/// Supply places to find the .NET runtimes.
+type LoadContext (dll : FileInfo, runtimes : DirectoryInfo list, contexts : TestContexts) =
+    inherit AssemblyLoadContext ()
+
+    /// Load the assembly with the given name into this assembly context.
+    /// This additionally monkey-patches System.Console: it performs SetOut and SetError on them
+    /// so that they redirect their outputs into the given `TestContexts`.
+    override this.Load (target : AssemblyName) : Assembly =
+        let path = Path.Combine (dll.Directory.FullName, $"%s{target.Name}.dll")
+
+        let assy =
+            if File.Exists path then
+                this.LoadFromAssemblyPath path
+            else
+
+            runtimes
+            |> List.tryPick (fun di ->
+                let path = Path.Combine (di.FullName, $"%s{target.Name}.dll")
+
+                if File.Exists path then
+                    this.LoadFromAssemblyPath path |> Some
+                else
+                    None
+            )
+            |> Option.defaultValue null
+
+        if target.Name = "System.Console" then
+            if isNull assy then
+                failwith "could not monkey-patch System.Console"
+            else
+                let consoleType = assy.GetType "System.Console"
+                let setOut = consoleType.GetMethod "SetOut"
+                setOut.Invoke ((null : obj), [| contexts.Stdout |]) |> unbox<unit>
+                let setErr = consoleType.GetMethod "SetError"
+                setErr.Invoke ((null : obj), [| contexts.Stderr |]) |> unbox<unit>
+
+            assy
+        else
+            assy

WoofWare.NUnitTestRunner.Lib/CreateTrxReport.fs

@@ -0,0 +1,263 @@
+namespace WoofWare.NUnitTestRunner
+
+open System
+open System.Reflection
+
+/// Methods for constructing TRX reports.
+[<RequireQualifiedAccess>]
+module BuildTrxReport =
+
+    /// Build a TRX report from the given results.
+    let build
+        (assy : Assembly)
+        (creationTime : DateTimeOffset)
+        (startTime : DateTimeOffset)
+        (results : FixtureRunResults list)
+        : TrxReport
+        =
+        let finishTime = DateTimeOffset.Now
+        let finishTimeHumanReadable = finishTime.ToString @"yyyy-MM-dd HH:mm:ss"
+        let nowMachine = finishTime.ToString @"yyyy-MM-dd_HH_mm_ss"
+
+        let testListId = Guid.NewGuid ()
+
+        let testDefinitions, testEntries =
+            results
+            |> List.collect (fun results -> results.IndividualTestRunMetadata)
+            |> List.map (fun (data, _) ->
+                let defn =
+                    {
+                        Name = data.TestName
+                        Storage = assy.Location.ToLowerInvariant ()
+                        Id = data.TestId
+                        Execution =
+                            {
+                                Id = data.ExecutionId
+                            }
+                        TestMethod =
+                            {
+                                CodeBase = assy.Location
+                                AdapterTypeName = Uri "executor://woofware/"
+                                ClassName = data.ClassName
+                                Name = data.TestName
+                            }
+                    }
+
+                let entry : TrxTestEntry =
+                    {
+                        TestListId = testListId
+                        ExecutionId = data.ExecutionId
+                        TestId = data.TestId
+
+                    }
+
+                defn, entry
+            )
+            |> List.unzip
+
+        let hostname = Environment.MachineName
+
+        let settings =
+            {
+                Name = "default"
+                Id = Guid.NewGuid ()
+                Deployment =
+                    {
+                        RunDeploymentRoot = $"_%s{hostname}_%s{nowMachine}"
+                    }
+            }
+
+        let testList : TrxTestListEntry =
+            {
+                Id = testListId
+                Name = "All"
+            }
+
+        let counters =
+            (TrxCounters.Zero, results)
+            // TODO: this is woefully inefficient
+            ||> List.fold (fun counters results ->
+                let counters =
+                    (counters, results.Failed)
+                    ||> List.fold (fun counters (_, _) ->
+                        // TODO: the counters can be more specific about the failure mode
+                        counters.AddFailed ()
+                    )
+
+                let counters =
+                    (counters, results.OtherFailures)
+                    ||> List.fold (fun counters _ ->
+                        // TODO: the counters can be more specific about the failure mode
+                        counters.AddFailed ()
+                    )
+
+                (counters, results.Success)
+                ||> List.fold (fun counters (_, success, _) ->
+                    match success with
+                    | TestMemberSuccess.Ok -> counters.AddPassed ()
+                    | TestMemberSuccess.Ignored _
+                    | TestMemberSuccess.Explicit _ -> counters.AddNotExecuted ()
+                    | TestMemberSuccess.Inconclusive _ -> counters.AddInconclusive ()
+                )
+            )
+
+        // TODO: I'm sure we can do better than this; there's a whole range of possible
+        // states!
+        let outcome =
+            if counters.Failed > 0u then
+                TrxOutcome.Failed
+            else
+                TrxOutcome.Completed
+
+        let resultSummary : TrxResultsSummary =
+            {
+                Outcome = outcome
+                Counters = counters
+                Output =
+                    {
+                        StdOut = None
+                        StdErr = None
+                        ErrorInfo = None
+                    }
+                RunInfos =
+                    [
+                    // TODO: capture stdout
+                    ]
+            }
+
+        let times : TrxReportTimes =
+            {
+                Creation = creationTime
+                Queuing = startTime
+                Start = startTime
+                Finish = finishTime
+
+            }
+
+        let magicGuid = Guid.Parse "13cdc9d9-ddb5-4fa4-a97d-d965ccfc6d4b"
+
+        let results =
+            results
+            |> List.collect (fun results -> results.IndividualTestRunMetadata)
+            |> List.map (fun (i, cause) ->
+                let exc =
+                    match cause with
+                    | Choice2Of3 _ -> None
+                    | Choice1Of3 (TestMemberFailure.Malformed reasons) ->
+                        {
+                            StackTrace = None
+                            Message = reasons |> String.concat "\n" |> Some
+                        }
+                        |> Some
+                    | Choice1Of3 (TestMemberFailure.Failed fail)
+                    | Choice1Of3 (TestMemberFailure.Failed fail)
+                    | Choice1Of3 (TestMemberFailure.Failed fail) ->
+                        ((None, None), fail)
+                        ||> List.fold (fun (stackTrace, message) tf ->
+                            match tf with
+                            | TestFailure.TestFailed (UserMethodFailure.Threw (_, exc))
+                            | TestFailure.SetUpFailed (UserMethodFailure.Threw (_, exc))
+                            | TestFailure.TearDownFailed (UserMethodFailure.Threw (_, exc)) ->
+                                let stackTrace =
+                                    match stackTrace with
+                                    | None -> (exc : Exception).ToString ()
+                                    | Some s -> s
+
+                                (Some stackTrace, message)
+                            | TestFailure.TestFailed (UserMethodFailure.BadParameters (_, expected, actual))
+                            | TestFailure.SetUpFailed (UserMethodFailure.BadParameters (_, expected, actual))
+                            | TestFailure.TearDownFailed (UserMethodFailure.BadParameters (_, expected, actual)) ->
+                                let newMessage =
+                                    $"had parameter count mismatch: expected %i{expected.Length}, actual %i{actual.Length}"
+
+                                let message =
+                                    match message with
+                                    | None -> newMessage
+                                    | Some message -> $"%s{message}\n%s{newMessage}"
+
+                                (stackTrace, Some message)
+                            | TestFailure.TestFailed (UserMethodFailure.ReturnedNonUnit (_, ret))
+                            | TestFailure.SetUpFailed (UserMethodFailure.ReturnedNonUnit (_, ret))
+                            | TestFailure.TearDownFailed (UserMethodFailure.ReturnedNonUnit (_, ret)) ->
+                                let newMessage = $"returned non-unit value %O{ret}"
+
+                                let message =
+                                    match message with
+                                    | None -> newMessage
+                                    | Some message -> $"%s{message}\n%s{newMessage}"
+
+                                (stackTrace, Some message)
+                        )
+                        |> fun (stackTrace, message) ->
+                            {
+                                StackTrace = stackTrace
+                                Message = message
+                            }
+                            |> Some
+                    | Choice3Of3 (UserMethodFailure.Threw (_, exc)) ->
+                        {
+                            StackTrace = (exc : Exception).ToString () |> Some
+                            Message = None
+                        }
+                        |> Some
+                    | Choice3Of3 (UserMethodFailure.BadParameters (_, expected, actual)) ->
+                        {
+                            StackTrace = None
+                            Message =
+                                $"parameter count mismatch, expected %i{expected.Length}, actual %i{actual.Length}"
+                                |> Some
+                        }
+                        |> Some
+                    | Choice3Of3 (UserMethodFailure.ReturnedNonUnit (_, ret)) ->
+                        {
+                            Message = $"returned non-unit value %O{ret}" |> Some
+                            StackTrace = None
+                        }
+                        |> Some
+
+                let outcome =
+                    match cause with
+                    | Choice1Of3 _ -> TrxTestOutcome.Failed
+                    | Choice2Of3 TestMemberSuccess.Ok -> TrxTestOutcome.Passed
+                    | Choice2Of3 (TestMemberSuccess.Inconclusive _) -> TrxTestOutcome.Inconclusive
+                    | Choice2Of3 (TestMemberSuccess.Ignored _)
+                    | Choice2Of3 (TestMemberSuccess.Explicit _) -> TrxTestOutcome.NotExecuted
+                    // TODO: we can totally do better here, more fine-grained classification
+                    | Choice3Of3 _ -> TrxTestOutcome.Failed
+
+                {
+                    ExecutionId = i.ExecutionId
+                    TestId = i.TestId
+                    TestName = i.TestName
+                    ComputerName = i.ComputerName
+                    Duration = i.End - i.Start
+                    StartTime = i.Start
+                    EndTime = i.End
+                    TestType = magicGuid
+                    Outcome = outcome
+                    TestListId = testListId
+                    RelativeResultsDirectory = i.ExecutionId.ToString () // for some reason
+                    Output =
+                        match i.StdOut, i.StdErr, exc with
+                        | None, None, None -> None
+                        | stdout, stderr, exc ->
+                            Some
+                                {
+                                    TrxOutput.StdOut = stdout
+                                    StdErr = stderr
+                                    ErrorInfo = exc
+                                }
+                }
+            )
+
+        {
+            Id = Guid.NewGuid ()
+            Name = $"@%s{hostname} %s{finishTimeHumanReadable}"
+            Times = times
+            Settings = settings
+            Results = results
+            TestDefinitions = testDefinitions
+            TestEntries = testEntries
+            TestLists = [ testList ]
+            ResultsSummary = resultSummary
+        }

WoofWare.NUnitTestRunner.Lib/Domain.fs

@@ -61,6 +61,24 @@ type Parallelizable<'scope> =
     /// This test must always be run on its own.
     | No
 
+[<RequireQualifiedAccess>]
+module Parallelizable =
+    /// Functorial map.
+    let inline map<'a, 'b> ([<InlineIfLambda>] f : 'a -> 'b) (p : Parallelizable<'a>) : Parallelizable<'b> =
+        match p with
+        | Parallelizable.No -> Parallelizable.No
+        | Parallelizable.Yes a -> Parallelizable.Yes (f a)
+
+    /// Functorial bind.
+    let inline bind<'a, 'b>
+        ([<InlineIfLambda>] f : 'a -> Parallelizable<'b>)
+        (p : Parallelizable<'a>)
+        : Parallelizable<'b>
+        =
+        match p with
+        | Parallelizable.No -> Parallelizable.No
+        | Parallelizable.Yes a -> f a
+
 /// A single method or member which holds some tests. (Often such a member will represent only one test, but e.g.
 /// if it has [<TestCaseSource>] then it represents multiple tests.)
 type SingleTestMethod =
@@ -88,6 +106,7 @@ type SingleTestMethod =
 
 /// A test fixture (usually represented by the [<TestFixture>]` attribute), which may contain many tests,
 /// each of which may run many times.
+[<NoComparison>]
 type TestFixture =
     {
         /// The assembly which contains this TestFixture, loaded into a separate context.
@@ -143,6 +162,8 @@ type UserMethodFailure =
     | ReturnedNonUnit of name : string * result : obj
     /// A method threw.
     | Threw of name : string * exn
+    /// Parameter count mismatch.
+    | BadParameters of name : string * expected : Type[] * actual : obj[]
 
     /// Human-readable representation of the user failure.
     override this.ToString () =
@@ -151,12 +172,22 @@ type UserMethodFailure =
             $"User-defined method '%s{method}' returned a non-unit: %O{ret}"
         | UserMethodFailure.Threw (method, exc) ->
             $"User-defined method '%s{method}' threw: %s{exc.Message}\n  %s{exc.StackTrace}"
+        | UserMethodFailure.BadParameters (method, expected, actual) ->
+            let expectedStr = expected |> Seq.map (fun t -> t.Name) |> String.concat ", "
+
+            let actualStr =
+                actual
+                |> Seq.map (fun s -> if isNull s then "null" else s.ToString ())
+                |> String.concat ", "
+
+            $"User-defined method '%s{method}' had parameter count mismatch. Expected: (%s{expectedStr}) (%i{expected.Length} params). Actual: (%s{actualStr}) (%i{actual.Length} params)"
 
     /// Name (not fully-qualified) of the method which failed.
     member this.Name =
         match this with
         | UserMethodFailure.Threw (name, _)
         | UserMethodFailure.ReturnedNonUnit (name, _) -> name
+        | UserMethodFailure.BadParameters (name, _, _) -> name
 
 /// Represents the failure of a single run of one test. An error signalled this way is a user error: the unit under
 /// test has misbehaved.

WoofWare.NUnitTestRunner.Lib/DotnetRuntime.fs

@@ -7,11 +7,7 @@ open WoofWare.DotnetRuntimeLocator
 /// Functions for locating .NET runtimes.
 [<RequireQualifiedAccess>]
 module DotnetRuntime =
-    let private selectRuntime
+    let private selectRuntime (config : RuntimeOptions) (f : DotnetEnvironmentInfo) : DirectoryInfo list =
-        (config : RuntimeOptions)
-        (f : DotnetEnvironmentInfo)
-        : Choice<DotnetEnvironmentFrameworkInfo, DotnetEnvironmentSdkInfo> option
-        =
         let rollForward =
             match Environment.GetEnvironmentVariable "DOTNET_ROLL_FORWARD" with
             | null ->
@@ -20,6 +16,14 @@ module DotnetRuntime =
                 |> Option.defaultValue RollForward.Minor
             | s -> RollForward.Parse s
 
+        if
+            Option.isSome config.IncludedFramework
+            || Option.isSome config.IncludedFrameworks
+        then
+            // No need for a framework that's anywhere other than the given DLL.
+            []
+        else
+
         let desiredVersions =
             match config.Framework with
             | Some f -> [ Version f.Version, f.Name ]
@@ -66,15 +70,13 @@ module DotnetRuntime =
 
                     name, data.Installed
                 )
-                // TODO: how do we select between many available frameworks?
+                |> Seq.toList
-                |> Seq.tryHead
 
-            match available with
+            // TODO: maybe we can ask the SDK if we don't have any runtimes.
-            | Some (_, f) -> Some (Choice1Of2 f)
+            // But we keep on trucking: maybe we're self-contained, and we'll actually find all the runtime next to the
-            | None ->
+            // DLL.
-                // TODO: maybe we can ask the SDK. But we keep on trucking: maybe we're self-contained,
+            available
-                // and we'll actually find all the runtime next to the DLL.
+            |> List.map (fun (_name, runtime) -> DirectoryInfo $"%s{runtime.Path}/%s{runtime.Version}")
-                None
         | _ -> failwith "non-minor RollForward not supported yet; please shout if you want it"
 
     /// Given an executable DLL, locate the .NET runtime that can best run it.
@@ -96,9 +98,4 @@ module DotnetRuntime =
 
         let runtime = selectRuntime runtimeConfig availableRuntimes
 
-        match runtime with
+        dll.Directory :: runtime
-        | None ->
-            // Keep on trucking: let's be optimistic and hope that we're self-contained.
-            [ dll.Directory ]
-        | Some (Choice1Of2 runtime) -> [ dll.Directory ; DirectoryInfo $"%s{runtime.Path}/%s{runtime.Version}" ]
-        | Some (Choice2Of2 sdk) -> [ dll.Directory ; DirectoryInfo sdk.Path ]

WoofWare.NUnitTestRunner.Lib/Filter.fs

@@ -2,7 +2,7 @@ namespace WoofWare.NUnitTestRunner
 
 open System
 open System.IO
-open PrattParser
+open WoofWare.PrattParser
 
 // Documentation:
 // https://learn.microsoft.com/en-us/dotnet/core/testing/selective-unit-tests?pivots=mstest

WoofWare.NUnitTestRunner.Lib/ParallelQueue.fs

@@ -0,0 +1,422 @@
+namespace WoofWare.NUnitTestRunner
+
+open System
+open System.Threading
+open System.Threading.Tasks
+
+type private ThunkEvaluator<'ret> =
+    abstract Eval<'a> : (unit -> 'a) -> AsyncReplyChannel<'a> -> 'ret
+
+type private ThunkCrate =
+    abstract Apply<'ret> : ThunkEvaluator<'ret> -> 'ret
+
+[<RequireQualifiedAccess>]
+module private ThunkCrate =
+    let make<'a> (t : unit -> 'a) (rc : AsyncReplyChannel<'a>) : ThunkCrate =
+        { new ThunkCrate with
+            member _.Apply e = e.Eval t rc
+        }
+
+type private FakeUnit = FakeUnit
+
+/// A handle to a running test fixture.
+type TestFixtureRunningToken = private | TestFixtureRunningToken of TestFixture
+
+/// A handle to a test fixture whose setup method has been called.
+type TestFixtureSetupToken = private | TestFixtureSetupToken of TestFixture
+
+[<RequireQualifiedAccess>]
+module private TestFixtureSetupToken =
+    let vouchNoSetupRequired (TestFixtureRunningToken tf) = TestFixtureSetupToken tf
+
+/// A handle to a test fixture whose setup method has been called.
+type TestFixtureTearDownToken = private | TestFixtureTearDownToken of TestFixture
+
+[<RequireQualifiedAccess>]
+module private TestFixtureTearDownToken =
+    let vouchNoTearDownRequired (TestFixtureSetupToken tf) = TestFixtureTearDownToken tf
+
+[<RequireQualifiedAccess>]
+type private MailboxMessage =
+    | Quit of AsyncReplyChannel<unit>
+    /// Check current state, see if we need to start more tests, etc.
+    | Reconcile
+    | RunTest of within : TestFixture * Parallelizable<unit> option * test : ThunkCrate
+    | BeginTestFixture of TestFixture * AsyncReplyChannel<TestFixtureRunningToken>
+    | EndTestFixture of TestFixtureTearDownToken * AsyncReplyChannel<unit>
+
+type private RunningFixture =
+    {
+        Fixture : TestFixture
+        RunningCanParallelize : bool
+        Running : Task list
+        Waiting : ((unit -> Task) * Parallelizable<unit> option) list
+    }
+
+    static member Make (f : TestFixture) =
+        {
+            Fixture = f
+            Running = []
+            RunningCanParallelize = true
+            Waiting = []
+        }
+
+type private RunningState =
+    {
+        MaxParallelism : int
+        // TODO: make these efficiently look-up-able
+        CurrentlyRunning : RunningFixture list
+        Waiting : (TestFixture * AsyncReplyChannel<TestFixtureRunningToken>) list
+    }
+
+    member this.NewTest (tf : TestFixture) (par : Parallelizable<unit> option) (test : unit -> Task) =
+        {
+            MaxParallelism = this.MaxParallelism
+            Waiting = this.Waiting
+            CurrentlyRunning =
+                let found = ref 0
+
+                this.CurrentlyRunning
+                |> List.map (fun f ->
+                    if Object.ReferenceEquals (f.Fixture, tf) then
+                        Interlocked.Increment found |> ignore<int>
+
+                        { f with
+                            Waiting = (test, par) :: f.Waiting
+                        }
+                    else
+                        f
+                )
+                |> fun l ->
+                    match found.Value with
+                    | 1 -> l
+                    | 0 -> failwith $"Unexpectedly did not find the running test fixture '%s{tf.Name}' to add a test to"
+                    | _ -> failwith $"Unexpectedly found the running test fixture '%s{tf.Name}' multiple times in list"
+        }
+
+    member this.CompleteFixture (tf : TestFixture) : RunningState =
+        let rec go (acc : RunningFixture list) (running : RunningFixture list) =
+            match running with
+            | [] -> failwith "Caller has somehow called EndTestFixture while we're not running that test fixture"
+            | runningFixture :: tail ->
+                if Object.ReferenceEquals (runningFixture.Fixture, tf) then
+                    match runningFixture.Running, runningFixture.Waiting with
+                    | [], [] -> acc @ tail
+                    | r, [] ->
+                        failwith $"Caller has called EndTestFixture while its tests are still running (%i{r.Length})"
+                    | [], r ->
+                        failwith $"Caller has called EndTestFixture while it has tests waiting to run (%i{r.Length})"
+                    | r, s ->
+                        failwith
+                            $"Caller has called EndTestFixture while it has tests waiting to run (%i{s.Length}) and test running (%i{r.Length})"
+                else
+                    go (runningFixture :: acc) tail
+
+        let currentlyRunning = go [] this.CurrentlyRunning
+
+        {
+            CurrentlyRunning = currentlyRunning
+            Waiting = this.Waiting
+            MaxParallelism = this.MaxParallelism
+        }
+
+type private MailboxState =
+    | Idle
+    | Running of RunningState
+
+/// Run some things in parallel.
+/// TODO: actually implement the parallelism! Right now this just runs everything serially.
+/// TODO: consume the cancellation token
+type ParallelQueue
+    (parallelism : int option, _scope : Parallelizable<AssemblyParallelScope> option, ?ct : CancellationToken)
+    =
+    let parallelism =
+        match parallelism with
+        | None -> max (Environment.ProcessorCount / 2) 2
+        | Some p -> p
+
+    let rec processTask (state : MailboxState) (m : MailboxProcessor<MailboxMessage>) =
+        async {
+            let! message = m.Receive ()
+
+            match message with
+            | MailboxMessage.Quit rc -> rc.Reply ()
+            | MailboxMessage.Reconcile ->
+                match state with
+                | Idle -> return! processTask state m
+                | Running r ->
+
+                match r.CurrentlyRunning with
+                | [] ->
+                    match r.Waiting with
+                    | [] -> return! processTask Idle m
+                    | (head, rc) :: tail ->
+                        rc.Reply (TestFixtureRunningToken head)
+
+                        let newRunning =
+                            {
+                                Fixture = head
+                                Running = []
+                                RunningCanParallelize = true
+                                Waiting = []
+                            }
+
+                        let state =
+                            {
+                                MaxParallelism = r.MaxParallelism
+                                CurrentlyRunning = [ newRunning ]
+                                Waiting = tail
+                            }
+                        // For now, we'll just run one fixture at a time. When we run multiple fixtures in parallel,
+                        // we probably want to call Reconcile here again.
+                        return! processTask (Running state) m
+                | [ currentlyRunning ] ->
+                    let currentlyRunningTasks =
+                        currentlyRunning.Running |> List.filter (fun t -> not t.IsCompleted)
+
+                    let r =
+                        { r with
+                            CurrentlyRunning =
+                                [
+                                    { currentlyRunning with
+                                        Running = currentlyRunningTasks
+                                    }
+                                ]
+                        }
+
+                    match currentlyRunningTasks with
+                    | [] ->
+                        match currentlyRunning.Waiting with
+                        | [] ->
+                            // Nothing to run yet
+                            return! processTask (Running r) m
+                        | (head, par) :: tail ->
+                            let par =
+                                match par with
+                                | None -> true
+                                | Some Parallelizable.No -> false
+                                | Some (Parallelizable.Yes ()) -> true
+
+                            let state =
+                                {
+                                    Fixture = currentlyRunning.Fixture
+                                    RunningCanParallelize = par
+                                    Waiting = tail
+                                    Running = [ head () ]
+                                }
+
+                            m.Post MailboxMessage.Reconcile
+
+                            return!
+                                processTask
+                                    (Running
+                                        { r with
+                                            CurrentlyRunning = [ state ]
+                                        })
+                                    m
+
+                    | currentlyRunningTasks ->
+
+                    if currentlyRunningTasks.Length >= parallelism then
+                        return! processTask (Running r) m
+                    else
+
+                    match currentlyRunning.Waiting, currentlyRunning.RunningCanParallelize with
+                    | [], _ ->
+                        // No new candidates.
+                        return! processTask (Running r) m
+                    | _, false ->
+                        // The running test(s) can't have others added.
+                        return! processTask (Running r) m
+                    | (head, par) :: tail, true ->
+                        match par with
+                        | Some Parallelizable.No -> return! processTask (Running r) m
+                        | Some (Parallelizable.Yes ()) ->
+                            let state =
+                                {
+                                    RunningState.MaxParallelism = r.MaxParallelism
+                                    Waiting = r.Waiting
+                                    CurrentlyRunning =
+                                        [
+                                            {
+                                                Fixture = currentlyRunning.Fixture
+                                                RunningCanParallelize = true
+                                                Running = head () :: currentlyRunning.Running
+                                                Waiting = tail
+                                            }
+                                        ]
+                                }
+
+                            m.Post MailboxMessage.Reconcile
+                            return! processTask (Running state) m
+                        | None ->
+                            match currentlyRunning.Fixture.Parallelize with
+                            | Some Parallelizable.No
+                            | Some (Parallelizable.Yes ClassParallelScope.Self)
+                            | Some (Parallelizable.Yes ClassParallelScope.Fixtures) ->
+                                // Can't add this test to the parallel queue right now
+                                return! processTask (Running r) m
+                            | None
+                            | Some (Parallelizable.Yes ClassParallelScope.All)
+                            | Some (Parallelizable.Yes ClassParallelScope.Children) ->
+                                let state =
+                                    {
+                                        Fixture = currentlyRunning.Fixture
+                                        RunningCanParallelize = true
+                                        Waiting = tail
+                                        Running = (head ()) :: currentlyRunningTasks
+                                    }
+
+                                m.Post MailboxMessage.Reconcile
+
+                                return!
+                                    processTask
+                                        (Running
+                                            { r with
+                                                CurrentlyRunning = [ state ]
+                                            })
+                                        m
+                | _ -> failwith "Logic error: we currently only run one fixture at a time"
+            | MailboxMessage.BeginTestFixture (tf, rc) ->
+                match state with
+                | Running state ->
+                    let state =
+                        {
+                            MaxParallelism = state.MaxParallelism
+                            CurrentlyRunning = state.CurrentlyRunning
+                            Waiting = (tf, rc) :: state.Waiting
+                        }
+                        |> Running
+
+                    m.Post MailboxMessage.Reconcile
+                    return! processTask state m
+                | Idle ->
+                    let state =
+                        {
+                            MaxParallelism = parallelism
+                            CurrentlyRunning = []
+                            Waiting = [ (tf, rc) ]
+                        }
+                        |> Running
+
+                    m.Post MailboxMessage.Reconcile
+                    return! processTask state m
+            | MailboxMessage.EndTestFixture (TestFixtureTearDownToken tf, rc) ->
+                match state with
+                | Idle ->
+                    return failwith "Caller has somehow called EndTestFixture while we're not running a test fixture"
+                | Running state ->
+                    let state = state.CompleteFixture tf
+                    rc.Reply ()
+                    m.Post MailboxMessage.Reconcile
+                    return! processTask (Running state) m
+            | MailboxMessage.RunTest (withinFixture, par, message) ->
+                let t () =
+                    { new ThunkEvaluator<_> with
+                        member _.Eval<'b> (t : unit -> 'b) rc =
+                            let tcs = TaskCompletionSource TaskCreationOptions.RunContinuationsAsynchronously
+                            use ec = ExecutionContext.Capture ()
+
+                            fun () ->
+                                ExecutionContext.Run (
+                                    ec,
+                                    (fun _ ->
+                                        let result = t ()
+                                        tcs.SetResult ()
+                                        m.Post MailboxMessage.Reconcile
+                                        rc.Reply result
+                                    ),
+                                    ()
+                                )
+                            |> Task.Factory.StartNew
+                            |> ignore<Task>
+
+                            tcs.Task
+                    }
+                    |> message.Apply
+
+                let state =
+                    match state with
+                    | Idle -> failwith "somehow asked the queue to run tests when there is no active fixture"
+                    | Running state -> state.NewTest withinFixture par t |> Running
+
+                m.Post MailboxMessage.Reconcile
+
+                return! processTask state m
+        }
+
+    let mb = new MailboxProcessor<_> (processTask MailboxState.Idle)
+    do mb.Start ()
+
+    /// Request to run the given action, freely in parallel with other running tests.
+    /// The resulting Task will return when the action has completed.
+    member _.Run<'a>
+        (TestFixtureSetupToken parent)
+        (scope : Parallelizable<unit> option)
+        (action : unit -> 'a)
+        : 'a Task
+        =
+        (fun rc -> MailboxMessage.RunTest (parent, scope, ThunkCrate.make action rc))
+        |> mb.PostAndAsyncReply
+        |> Async.StartAsTask
+
+    /// Declare that we wish to start the given test fixture. The resulting Task will return
+    /// when you are allowed to start running tests from that fixture.
+    /// Once you've finished running tests from that fixture, call EndTestFixture.
+    member _.StartTestFixture (tf : TestFixture) : Task<TestFixtureRunningToken> =
+        fun rc -> MailboxMessage.BeginTestFixture (tf, rc)
+        |> mb.PostAndAsyncReply
+        |> Async.StartAsTask
+
+    /// Run the given one-time setup for the test fixture.
+    member _.RunTestSetup (TestFixtureRunningToken parent) (action : unit -> 'a) : ('a * TestFixtureSetupToken) Task =
+        task {
+            let par =
+                parent.Parallelize
+                |> Option.map (fun p ->
+                    match p with
+                    | Parallelizable.No -> Parallelizable.No
+                    | Parallelizable.Yes _ -> Parallelizable.Yes ()
+                )
+
+            let! response =
+                (fun rc -> MailboxMessage.RunTest (parent, par, ThunkCrate.make action rc))
+                |> mb.PostAndAsyncReply
+
+            return response, TestFixtureSetupToken parent
+        }
+
+    /// Run the given one-time tear-down for the test fixture.
+    member _.RunTestTearDown
+        (TestFixtureSetupToken parent)
+        (action : unit -> 'a)
+        : ('a * TestFixtureTearDownToken) Task
+        =
+        task {
+            let par =
+                parent.Parallelize
+                |> Option.map (fun p ->
+                    match p with
+                    | Parallelizable.No -> Parallelizable.No
+                    | Parallelizable.Yes _ -> Parallelizable.Yes ()
+                )
+
+            let! response =
+                (fun rc -> MailboxMessage.RunTest (parent, par, ThunkCrate.make action rc))
+                |> mb.PostAndAsyncReply
+
+            return response, TestFixtureTearDownToken parent
+        }
+
+    /// Declare that we have finished submitting requests to run in the given test fixture.
+    /// You don't need to worry about when the resulting Task returns, but we provide it just in case.
+    member _.EndTestFixture (tf : TestFixtureTearDownToken) : Task<unit> =
+        (fun rc -> MailboxMessage.EndTestFixture (tf, rc))
+        |> mb.PostAndAsyncReply
+        |> Async.StartAsTask
+
+    interface IDisposable with
+        member _.Dispose () =
+            // Still race conditions, of course: people could still be submitting after we finish the sync.
+            mb.PostAndReply MailboxMessage.Quit
+            (mb :> IDisposable).Dispose ()

WoofWare.NUnitTestRunner.Lib/ParallelScope.fs

@@ -0,0 +1,29 @@
+namespace WoofWare.NUnitTestRunner
+
+/// Our own strongly-typed rendering of the NUnit ParallelScope enum.
+/// This is more tightly modelled by ClassParallelScope and AssemblyParallelScope in our own domain; this type exists
+/// for the initial interop.
+[<RequireQualifiedAccess>]
+type ParallelScope =
+    /// Corresponds to NUnit's ParallelScope.Fixtures.
+    | Fixtures
+    /// Corresponds to NUnit's ParallelScope.Children.
+    | Children
+    /// Corresponds to NUnit's ParallelScope.All.
+    | All
+    /// Corresponds to NUnit's ParallelScope.Self.
+    | Self
+    /// Corresponds to NUnit's ParallelScope.None.
+    | None
+
+[<RequireQualifiedAccess>]
+module ParallelScope =
+    /// Convert the weakly-typed C# enum that is NUnit's `ParallelScope` to a strongly-typed representation.
+    let ofInt (n : int) =
+        match n with
+        | 512 -> ParallelScope.Fixtures
+        | 256 -> ParallelScope.Children
+        | 257 -> ParallelScope.All
+        | 1 -> ParallelScope.Self
+        | 2 -> ParallelScope.None
+        | _ -> failwith $"Unrecognised ParallelScope enum: %i{n}"

WoofWare.NUnitTestRunner.Lib/RuntimeConfig.fs

@@ -16,6 +16,8 @@ type internal RuntimeOptions =
         Tfm : string
         Framework : FrameworkDescription option
         Frameworks : FrameworkDescription list option
+        IncludedFramework : FrameworkDescription option
+        IncludedFrameworks : FrameworkDescription list option
         RollForward : string option
     }
 

WoofWare.NUnitTestRunner.Lib/SingleTestMethod.fs

@@ -94,7 +94,27 @@ module SingleTestMethod =
                     match par with
                     | Some _ -> failwith $"Got multiple parallelization attributes on %s{method.Name}"
                     | None ->
-                        (remaining, isTest, sources, hasData, mods, cats, repeat, comb, Some (Parallelizable.Yes ()))
+                        let arg =
+                            match Seq.toList attr.ConstructorArguments with
+                            | [] -> Parallelizable.Yes ()
+                            | [ x ] ->
+                                if x.ArgumentType.Name <> "ParallelScope" then
+                                    failwith
+                                        $"Got argument %O{x.Value} of unrecognised type %s{x.ArgumentType.Name} on [<Parallelizable>] attribute; expected ParallelScope"
+
+                                match ParallelScope.ofInt (unbox<int> x.Value) with
+                                | ParallelScope.Children ->
+                                    failwith
+                                        $"Unexpected ParallelScope.Children on test %s{method.Name}; this is not valid on individual tests"
+                                | ParallelScope.Fixtures ->
+                                    failwith
+                                        $"Unexpected ParallelScope.Children on test %s{method.Name}; this is not valid on individual tests"
+                                | ParallelScope.All
+                                | ParallelScope.Self -> Parallelizable.Yes ()
+                                | ParallelScope.None -> Parallelizable.No
+                            | s -> failwith $"Got multiple arguments on a [<Parallelizable>] attribute: %O{s}"
+
+                        (remaining, isTest, sources, hasData, mods, cats, repeat, comb, Some arg)
                 | s when s.StartsWith ("NUnit.Framework", StringComparison.Ordinal) ->
                     failwith $"Unrecognised attribute on function %s{method.Name}: %s{attr.AttributeType.FullName}"
                 | _ -> (attr :: remaining, isTest, sources, hasData, mods, cats, repeat, comb, par)

WoofWare.NUnitTestRunner.Lib/SurfaceBaseline.txt

@@ -1,8 +1,34 @@
+WoofWare.NUnitTestRunner.Args inherit obj, implements WoofWare.NUnitTestRunner.Args System.IEquatable, System.Collections.IStructuralEquatable
+WoofWare.NUnitTestRunner.Args..ctor [constructor]: (System.IO.FileInfo, System.IO.FileInfo option, (string * WoofWare.NUnitTestRunner.Filter) option, WoofWare.NUnitTestRunner.LogLevel, int option, System.TimeSpan option)
+WoofWare.NUnitTestRunner.Args.Dll [property]: [read-only] System.IO.FileInfo
+WoofWare.NUnitTestRunner.Args.Equals [method]: (WoofWare.NUnitTestRunner.Args, System.Collections.IEqualityComparer) -> bool
+WoofWare.NUnitTestRunner.Args.Filter [property]: [read-only] (string * WoofWare.NUnitTestRunner.Filter) option
+WoofWare.NUnitTestRunner.Args.get_Dll [method]: unit -> System.IO.FileInfo
+WoofWare.NUnitTestRunner.Args.get_Filter [method]: unit -> (string * WoofWare.NUnitTestRunner.Filter) option
+WoofWare.NUnitTestRunner.Args.get_LevelOfParallelism [method]: unit -> int option
+WoofWare.NUnitTestRunner.Args.get_Logging [method]: unit -> WoofWare.NUnitTestRunner.LogLevel
+WoofWare.NUnitTestRunner.Args.get_Timeout [method]: unit -> System.TimeSpan option
+WoofWare.NUnitTestRunner.Args.get_Trx [method]: unit -> System.IO.FileInfo option
+WoofWare.NUnitTestRunner.Args.LevelOfParallelism [property]: [read-only] int option
+WoofWare.NUnitTestRunner.Args.Logging [property]: [read-only] WoofWare.NUnitTestRunner.LogLevel
+WoofWare.NUnitTestRunner.Args.Parse [static method]: string list -> WoofWare.NUnitTestRunner.Args
+WoofWare.NUnitTestRunner.Args.Timeout [property]: [read-only] System.TimeSpan option
+WoofWare.NUnitTestRunner.Args.Trx [property]: [read-only] System.IO.FileInfo option
+WoofWare.NUnitTestRunner.AssemblyLevelAttributes inherit obj, implements WoofWare.NUnitTestRunner.AssemblyLevelAttributes System.IEquatable, System.Collections.IStructuralEquatable, WoofWare.NUnitTestRunner.AssemblyLevelAttributes System.IComparable, System.IComparable, System.Collections.IStructuralComparable
+WoofWare.NUnitTestRunner.AssemblyLevelAttributes..ctor [constructor]: (int option, WoofWare.NUnitTestRunner.AssemblyParallelScope WoofWare.NUnitTestRunner.Parallelizable option)
+WoofWare.NUnitTestRunner.AssemblyLevelAttributes.Equals [method]: (WoofWare.NUnitTestRunner.AssemblyLevelAttributes, System.Collections.IEqualityComparer) -> bool
+WoofWare.NUnitTestRunner.AssemblyLevelAttributes.get_Parallelism [method]: unit -> int option
+WoofWare.NUnitTestRunner.AssemblyLevelAttributes.get_Parallelizable [method]: unit -> WoofWare.NUnitTestRunner.AssemblyParallelScope WoofWare.NUnitTestRunner.Parallelizable option
+WoofWare.NUnitTestRunner.AssemblyLevelAttributes.Parallelism [property]: [read-only] int option
+WoofWare.NUnitTestRunner.AssemblyLevelAttributes.Parallelizable [property]: [read-only] WoofWare.NUnitTestRunner.AssemblyParallelScope WoofWare.NUnitTestRunner.Parallelizable option
+WoofWare.NUnitTestRunner.AssemblyLevelAttributesModule inherit obj
+WoofWare.NUnitTestRunner.AssemblyLevelAttributesModule.get [static method]: System.Reflection.Assembly -> WoofWare.NUnitTestRunner.AssemblyLevelAttributes
 WoofWare.NUnitTestRunner.AssemblyParallelScope inherit obj, implements WoofWare.NUnitTestRunner.AssemblyParallelScope System.IEquatable, System.Collections.IStructuralEquatable, WoofWare.NUnitTestRunner.AssemblyParallelScope System.IComparable, System.IComparable, System.Collections.IStructuralComparable - union type with 2 cases
 WoofWare.NUnitTestRunner.AssemblyParallelScope+Tags inherit obj
 WoofWare.NUnitTestRunner.AssemblyParallelScope+Tags.Children [static field]: int = 0
 WoofWare.NUnitTestRunner.AssemblyParallelScope+Tags.Fixtures [static field]: int = 1
 WoofWare.NUnitTestRunner.AssemblyParallelScope.Children [static property]: [read-only] WoofWare.NUnitTestRunner.AssemblyParallelScope
+WoofWare.NUnitTestRunner.AssemblyParallelScope.Equals [method]: (WoofWare.NUnitTestRunner.AssemblyParallelScope, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.AssemblyParallelScope.Fixtures [static property]: [read-only] WoofWare.NUnitTestRunner.AssemblyParallelScope
 WoofWare.NUnitTestRunner.AssemblyParallelScope.get_Children [static method]: unit -> WoofWare.NUnitTestRunner.AssemblyParallelScope
 WoofWare.NUnitTestRunner.AssemblyParallelScope.get_Fixtures [static method]: unit -> WoofWare.NUnitTestRunner.AssemblyParallelScope
@@ -12,6 +38,8 @@ WoofWare.NUnitTestRunner.AssemblyParallelScope.get_Tag [method]: unit -> int
 WoofWare.NUnitTestRunner.AssemblyParallelScope.IsChildren [property]: [read-only] bool
 WoofWare.NUnitTestRunner.AssemblyParallelScope.IsFixtures [property]: [read-only] bool
 WoofWare.NUnitTestRunner.AssemblyParallelScope.Tag [property]: [read-only] int
+WoofWare.NUnitTestRunner.BuildTrxReport inherit obj
+WoofWare.NUnitTestRunner.BuildTrxReport.build [static method]: System.Reflection.Assembly -> System.DateTimeOffset -> System.DateTimeOffset -> WoofWare.NUnitTestRunner.FixtureRunResults list -> WoofWare.NUnitTestRunner.TrxReport
 WoofWare.NUnitTestRunner.ClassParallelScope inherit obj, implements WoofWare.NUnitTestRunner.ClassParallelScope System.IEquatable, System.Collections.IStructuralEquatable, WoofWare.NUnitTestRunner.ClassParallelScope System.IComparable, System.IComparable, System.Collections.IStructuralComparable - union type with 4 cases
 WoofWare.NUnitTestRunner.ClassParallelScope+Tags inherit obj
 WoofWare.NUnitTestRunner.ClassParallelScope+Tags.All [static field]: int = 3
@@ -20,6 +48,7 @@ WoofWare.NUnitTestRunner.ClassParallelScope+Tags.Fixtures [static field]: int =
 WoofWare.NUnitTestRunner.ClassParallelScope+Tags.Self [static field]: int = 0
 WoofWare.NUnitTestRunner.ClassParallelScope.All [static property]: [read-only] WoofWare.NUnitTestRunner.ClassParallelScope
 WoofWare.NUnitTestRunner.ClassParallelScope.Children [static property]: [read-only] WoofWare.NUnitTestRunner.ClassParallelScope
+WoofWare.NUnitTestRunner.ClassParallelScope.Equals [method]: (WoofWare.NUnitTestRunner.ClassParallelScope, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.ClassParallelScope.Fixtures [static property]: [read-only] WoofWare.NUnitTestRunner.ClassParallelScope
 WoofWare.NUnitTestRunner.ClassParallelScope.get_All [static method]: unit -> WoofWare.NUnitTestRunner.ClassParallelScope
 WoofWare.NUnitTestRunner.ClassParallelScope.get_Children [static method]: unit -> WoofWare.NUnitTestRunner.ClassParallelScope
@@ -41,6 +70,7 @@ WoofWare.NUnitTestRunner.Combinatorial+Tags inherit obj
 WoofWare.NUnitTestRunner.Combinatorial+Tags.Combinatorial [static field]: int = 0
 WoofWare.NUnitTestRunner.Combinatorial+Tags.Sequential [static field]: int = 1
 WoofWare.NUnitTestRunner.Combinatorial.Combinatorial [static property]: [read-only] WoofWare.NUnitTestRunner.Combinatorial
+WoofWare.NUnitTestRunner.Combinatorial.Equals [method]: (WoofWare.NUnitTestRunner.Combinatorial, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.Combinatorial.get_Combinatorial [static method]: unit -> WoofWare.NUnitTestRunner.Combinatorial
 WoofWare.NUnitTestRunner.Combinatorial.get_IsCombinatorial [method]: unit -> bool
 WoofWare.NUnitTestRunner.Combinatorial.get_IsSequential [method]: unit -> bool
@@ -82,6 +112,7 @@ WoofWare.NUnitTestRunner.Filter+Tags.TestCategory [static field]: int = 2
 WoofWare.NUnitTestRunner.Filter+TestCategory inherit WoofWare.NUnitTestRunner.Filter
 WoofWare.NUnitTestRunner.Filter+TestCategory.get_Item [method]: unit -> WoofWare.NUnitTestRunner.Match
 WoofWare.NUnitTestRunner.Filter+TestCategory.Item [property]: [read-only] WoofWare.NUnitTestRunner.Match
+WoofWare.NUnitTestRunner.Filter.Equals [method]: (WoofWare.NUnitTestRunner.Filter, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.Filter.get_IsAnd [method]: unit -> bool
 WoofWare.NUnitTestRunner.Filter.get_IsFullyQualifiedName [method]: unit -> bool
 WoofWare.NUnitTestRunner.Filter.get_IsName [method]: unit -> bool
@@ -107,6 +138,7 @@ WoofWare.NUnitTestRunner.FilterModule.parse [static method]: string -> WoofWare.
 WoofWare.NUnitTestRunner.FilterModule.shouldRun [static method]: WoofWare.NUnitTestRunner.Filter -> (WoofWare.NUnitTestRunner.TestFixture -> WoofWare.NUnitTestRunner.SingleTestMethod -> bool)
 WoofWare.NUnitTestRunner.FixtureRunResults inherit obj, implements WoofWare.NUnitTestRunner.FixtureRunResults System.IEquatable, System.Collections.IStructuralEquatable
 WoofWare.NUnitTestRunner.FixtureRunResults..ctor [constructor]: ((WoofWare.NUnitTestRunner.TestMemberFailure * WoofWare.NUnitTestRunner.IndividualTestRunMetadata) list, (WoofWare.NUnitTestRunner.SingleTestMethod * WoofWare.NUnitTestRunner.TestMemberSuccess * WoofWare.NUnitTestRunner.IndividualTestRunMetadata) list, (WoofWare.NUnitTestRunner.UserMethodFailure * WoofWare.NUnitTestRunner.IndividualTestRunMetadata) list)
+WoofWare.NUnitTestRunner.FixtureRunResults.Equals [method]: (WoofWare.NUnitTestRunner.FixtureRunResults, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.FixtureRunResults.Failed [property]: [read-only] (WoofWare.NUnitTestRunner.TestMemberFailure * WoofWare.NUnitTestRunner.IndividualTestRunMetadata) list
 WoofWare.NUnitTestRunner.FixtureRunResults.get_Failed [method]: unit -> (WoofWare.NUnitTestRunner.TestMemberFailure * WoofWare.NUnitTestRunner.IndividualTestRunMetadata) list
 WoofWare.NUnitTestRunner.FixtureRunResults.get_IndividualTestRunMetadata [method]: unit -> (WoofWare.NUnitTestRunner.IndividualTestRunMetadata * Microsoft.FSharp.Core.FSharpChoice<WoofWare.NUnitTestRunner.TestMemberFailure, WoofWare.NUnitTestRunner.TestMemberSuccess, WoofWare.NUnitTestRunner.UserMethodFailure>) list
@@ -120,6 +152,7 @@ WoofWare.NUnitTestRunner.IndividualTestRunMetadata..ctor [constructor]: (System.
 WoofWare.NUnitTestRunner.IndividualTestRunMetadata.ClassName [property]: [read-only] string
 WoofWare.NUnitTestRunner.IndividualTestRunMetadata.ComputerName [property]: [read-only] string
 WoofWare.NUnitTestRunner.IndividualTestRunMetadata.End [property]: [read-only] System.DateTimeOffset
+WoofWare.NUnitTestRunner.IndividualTestRunMetadata.Equals [method]: (WoofWare.NUnitTestRunner.IndividualTestRunMetadata, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.IndividualTestRunMetadata.ExecutionId [property]: [read-only] System.Guid
 WoofWare.NUnitTestRunner.IndividualTestRunMetadata.get_ClassName [method]: unit -> string
 WoofWare.NUnitTestRunner.IndividualTestRunMetadata.get_ComputerName [method]: unit -> string
@@ -143,6 +176,23 @@ WoofWare.NUnitTestRunner.ITestProgress.OnTestFixtureStart [method]: string -> in
 WoofWare.NUnitTestRunner.ITestProgress.OnTestMemberFinished [method]: string -> unit
 WoofWare.NUnitTestRunner.ITestProgress.OnTestMemberSkipped [method]: string -> unit
 WoofWare.NUnitTestRunner.ITestProgress.OnTestMemberStart [method]: string -> unit
+WoofWare.NUnitTestRunner.LoadContext inherit System.Runtime.Loader.AssemblyLoadContext
+WoofWare.NUnitTestRunner.LoadContext..ctor [constructor]: (System.IO.FileInfo, System.IO.DirectoryInfo list, WoofWare.NUnitTestRunner.TestContexts)
+WoofWare.NUnitTestRunner.LogLevel inherit obj, implements WoofWare.NUnitTestRunner.LogLevel System.IEquatable, System.Collections.IStructuralEquatable, WoofWare.NUnitTestRunner.LogLevel System.IComparable, System.IComparable, System.Collections.IStructuralComparable - union type with 2 cases
+WoofWare.NUnitTestRunner.LogLevel+Tags inherit obj
+WoofWare.NUnitTestRunner.LogLevel+Tags.Nothing [static field]: int = 0
+WoofWare.NUnitTestRunner.LogLevel+Tags.Verbose [static field]: int = 1
+WoofWare.NUnitTestRunner.LogLevel.Equals [method]: (WoofWare.NUnitTestRunner.LogLevel, System.Collections.IEqualityComparer) -> bool
+WoofWare.NUnitTestRunner.LogLevel.get_IsNothing [method]: unit -> bool
+WoofWare.NUnitTestRunner.LogLevel.get_IsVerbose [method]: unit -> bool
+WoofWare.NUnitTestRunner.LogLevel.get_Nothing [static method]: unit -> WoofWare.NUnitTestRunner.LogLevel
+WoofWare.NUnitTestRunner.LogLevel.get_Tag [method]: unit -> int
+WoofWare.NUnitTestRunner.LogLevel.get_Verbose [static method]: unit -> WoofWare.NUnitTestRunner.LogLevel
+WoofWare.NUnitTestRunner.LogLevel.IsNothing [property]: [read-only] bool
+WoofWare.NUnitTestRunner.LogLevel.IsVerbose [property]: [read-only] bool
+WoofWare.NUnitTestRunner.LogLevel.Nothing [static property]: [read-only] WoofWare.NUnitTestRunner.LogLevel
+WoofWare.NUnitTestRunner.LogLevel.Tag [property]: [read-only] int
+WoofWare.NUnitTestRunner.LogLevel.Verbose [static property]: [read-only] WoofWare.NUnitTestRunner.LogLevel
 WoofWare.NUnitTestRunner.Match inherit obj, implements WoofWare.NUnitTestRunner.Match System.IEquatable, System.Collections.IStructuralEquatable, WoofWare.NUnitTestRunner.Match System.IComparable, System.IComparable, System.Collections.IStructuralComparable - union type with 2 cases
 WoofWare.NUnitTestRunner.Match+Contains inherit WoofWare.NUnitTestRunner.Match
 WoofWare.NUnitTestRunner.Match+Contains.get_Item [method]: unit -> string
@@ -153,6 +203,7 @@ WoofWare.NUnitTestRunner.Match+Exact.Item [property]: [read-only] string
 WoofWare.NUnitTestRunner.Match+Tags inherit obj
 WoofWare.NUnitTestRunner.Match+Tags.Contains [static field]: int = 1
 WoofWare.NUnitTestRunner.Match+Tags.Exact [static field]: int = 0
+WoofWare.NUnitTestRunner.Match.Equals [method]: (WoofWare.NUnitTestRunner.Match, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.Match.get_IsContains [method]: unit -> bool
 WoofWare.NUnitTestRunner.Match.get_IsExact [method]: unit -> bool
 WoofWare.NUnitTestRunner.Match.get_Tag [method]: unit -> int
@@ -171,6 +222,7 @@ WoofWare.NUnitTestRunner.Modifier+Ignored.reason [property]: [read-only] string
 WoofWare.NUnitTestRunner.Modifier+Tags inherit obj
 WoofWare.NUnitTestRunner.Modifier+Tags.Explicit [static field]: int = 0
 WoofWare.NUnitTestRunner.Modifier+Tags.Ignored [static field]: int = 1
+WoofWare.NUnitTestRunner.Modifier.Equals [method]: (WoofWare.NUnitTestRunner.Modifier, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.Modifier.get_IsExplicit [method]: unit -> bool
 WoofWare.NUnitTestRunner.Modifier.get_IsIgnored [method]: unit -> bool
 WoofWare.NUnitTestRunner.Modifier.get_Tag [method]: unit -> int
@@ -179,6 +231,9 @@ WoofWare.NUnitTestRunner.Modifier.IsIgnored [property]: [read-only] bool
 WoofWare.NUnitTestRunner.Modifier.NewExplicit [static method]: string option -> WoofWare.NUnitTestRunner.Modifier
 WoofWare.NUnitTestRunner.Modifier.NewIgnored [static method]: string option -> WoofWare.NUnitTestRunner.Modifier
 WoofWare.NUnitTestRunner.Modifier.Tag [property]: [read-only] int
+WoofWare.NUnitTestRunner.Parallelizable inherit obj
+WoofWare.NUnitTestRunner.Parallelizable.bind [static method]: ('a -> 'b WoofWare.NUnitTestRunner.Parallelizable) -> 'a WoofWare.NUnitTestRunner.Parallelizable -> 'b WoofWare.NUnitTestRunner.Parallelizable
+WoofWare.NUnitTestRunner.Parallelizable.map [static method]: ('a -> 'b) -> 'a WoofWare.NUnitTestRunner.Parallelizable -> 'b WoofWare.NUnitTestRunner.Parallelizable
 WoofWare.NUnitTestRunner.Parallelizable`1 inherit obj, implements 'scope WoofWare.NUnitTestRunner.Parallelizable System.IEquatable, System.Collections.IStructuralEquatable, 'scope WoofWare.NUnitTestRunner.Parallelizable System.IComparable, System.IComparable, System.Collections.IStructuralComparable - union type with 2 cases
 WoofWare.NUnitTestRunner.Parallelizable`1+Tags inherit obj
 WoofWare.NUnitTestRunner.Parallelizable`1+Tags.No [static field]: int = 1
@@ -186,6 +241,7 @@ WoofWare.NUnitTestRunner.Parallelizable`1+Tags.Yes [static field]: int = 0
 WoofWare.NUnitTestRunner.Parallelizable`1+Yes inherit 'scope WoofWare.NUnitTestRunner.Parallelizable
 WoofWare.NUnitTestRunner.Parallelizable`1+Yes.get_Item [method]: unit -> 'scope
 WoofWare.NUnitTestRunner.Parallelizable`1+Yes.Item [property]: [read-only] 'scope
+WoofWare.NUnitTestRunner.Parallelizable`1.Equals [method]: ('scope WoofWare.NUnitTestRunner.Parallelizable, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.Parallelizable`1.get_IsNo [method]: unit -> bool
 WoofWare.NUnitTestRunner.Parallelizable`1.get_IsYes [method]: unit -> bool
 WoofWare.NUnitTestRunner.Parallelizable`1.get_No [static method]: unit -> 'scope WoofWare.NUnitTestRunner.Parallelizable
@@ -195,10 +251,50 @@ WoofWare.NUnitTestRunner.Parallelizable`1.IsYes [property]: [read-only] bool
 WoofWare.NUnitTestRunner.Parallelizable`1.NewYes [static method]: 'scope -> 'scope WoofWare.NUnitTestRunner.Parallelizable
 WoofWare.NUnitTestRunner.Parallelizable`1.No [static property]: [read-only] 'scope WoofWare.NUnitTestRunner.Parallelizable
 WoofWare.NUnitTestRunner.Parallelizable`1.Tag [property]: [read-only] int
+WoofWare.NUnitTestRunner.ParallelQueue inherit obj, implements IDisposable
+WoofWare.NUnitTestRunner.ParallelQueue..ctor [constructor]: (int option, WoofWare.NUnitTestRunner.AssemblyParallelScope WoofWare.NUnitTestRunner.Parallelizable option, System.Threading.CancellationToken option)
+WoofWare.NUnitTestRunner.ParallelQueue.EndTestFixture [method]: WoofWare.NUnitTestRunner.TestFixtureTearDownToken -> unit System.Threading.Tasks.Task
+WoofWare.NUnitTestRunner.ParallelQueue.Run [method]: WoofWare.NUnitTestRunner.TestFixtureSetupToken -> unit WoofWare.NUnitTestRunner.Parallelizable option -> (unit -> 'a) -> 'a System.Threading.Tasks.Task
+WoofWare.NUnitTestRunner.ParallelQueue.RunTestSetup [method]: WoofWare.NUnitTestRunner.TestFixtureRunningToken -> (unit -> 'a) -> ('a * WoofWare.NUnitTestRunner.TestFixtureSetupToken) System.Threading.Tasks.Task
+WoofWare.NUnitTestRunner.ParallelQueue.RunTestTearDown [method]: WoofWare.NUnitTestRunner.TestFixtureSetupToken -> (unit -> 'a) -> ('a * WoofWare.NUnitTestRunner.TestFixtureTearDownToken) System.Threading.Tasks.Task
+WoofWare.NUnitTestRunner.ParallelQueue.StartTestFixture [method]: WoofWare.NUnitTestRunner.TestFixture -> WoofWare.NUnitTestRunner.TestFixtureRunningToken System.Threading.Tasks.Task
+WoofWare.NUnitTestRunner.ParallelScope inherit obj, implements WoofWare.NUnitTestRunner.ParallelScope System.IEquatable, System.Collections.IStructuralEquatable, WoofWare.NUnitTestRunner.ParallelScope System.IComparable, System.IComparable, System.Collections.IStructuralComparable - union type with 5 cases
+WoofWare.NUnitTestRunner.ParallelScope+Tags inherit obj
+WoofWare.NUnitTestRunner.ParallelScope+Tags.All [static field]: int = 2
+WoofWare.NUnitTestRunner.ParallelScope+Tags.Children [static field]: int = 1
+WoofWare.NUnitTestRunner.ParallelScope+Tags.Fixtures [static field]: int = 0
+WoofWare.NUnitTestRunner.ParallelScope+Tags.None [static field]: int = 4
+WoofWare.NUnitTestRunner.ParallelScope+Tags.Self [static field]: int = 3
+WoofWare.NUnitTestRunner.ParallelScope.All [static property]: [read-only] WoofWare.NUnitTestRunner.ParallelScope
+WoofWare.NUnitTestRunner.ParallelScope.Children [static property]: [read-only] WoofWare.NUnitTestRunner.ParallelScope
+WoofWare.NUnitTestRunner.ParallelScope.Equals [method]: (WoofWare.NUnitTestRunner.ParallelScope, System.Collections.IEqualityComparer) -> bool
+WoofWare.NUnitTestRunner.ParallelScope.Fixtures [static property]: [read-only] WoofWare.NUnitTestRunner.ParallelScope
+WoofWare.NUnitTestRunner.ParallelScope.get_All [static method]: unit -> WoofWare.NUnitTestRunner.ParallelScope
+WoofWare.NUnitTestRunner.ParallelScope.get_Children [static method]: unit -> WoofWare.NUnitTestRunner.ParallelScope
+WoofWare.NUnitTestRunner.ParallelScope.get_Fixtures [static method]: unit -> WoofWare.NUnitTestRunner.ParallelScope
+WoofWare.NUnitTestRunner.ParallelScope.get_IsAll [method]: unit -> bool
+WoofWare.NUnitTestRunner.ParallelScope.get_IsChildren [method]: unit -> bool
+WoofWare.NUnitTestRunner.ParallelScope.get_IsFixtures [method]: unit -> bool
+WoofWare.NUnitTestRunner.ParallelScope.get_IsNone [method]: unit -> bool
+WoofWare.NUnitTestRunner.ParallelScope.get_IsSelf [method]: unit -> bool
+WoofWare.NUnitTestRunner.ParallelScope.get_None [static method]: unit -> WoofWare.NUnitTestRunner.ParallelScope
+WoofWare.NUnitTestRunner.ParallelScope.get_Self [static method]: unit -> WoofWare.NUnitTestRunner.ParallelScope
+WoofWare.NUnitTestRunner.ParallelScope.get_Tag [method]: unit -> int
+WoofWare.NUnitTestRunner.ParallelScope.IsAll [property]: [read-only] bool
+WoofWare.NUnitTestRunner.ParallelScope.IsChildren [property]: [read-only] bool
+WoofWare.NUnitTestRunner.ParallelScope.IsFixtures [property]: [read-only] bool
+WoofWare.NUnitTestRunner.ParallelScope.IsNone [property]: [read-only] bool
+WoofWare.NUnitTestRunner.ParallelScope.IsSelf [property]: [read-only] bool
+WoofWare.NUnitTestRunner.ParallelScope.None [static property]: [read-only] WoofWare.NUnitTestRunner.ParallelScope
+WoofWare.NUnitTestRunner.ParallelScope.Self [static property]: [read-only] WoofWare.NUnitTestRunner.ParallelScope
+WoofWare.NUnitTestRunner.ParallelScope.Tag [property]: [read-only] int
+WoofWare.NUnitTestRunner.ParallelScopeModule inherit obj
+WoofWare.NUnitTestRunner.ParallelScopeModule.ofInt [static method]: int -> WoofWare.NUnitTestRunner.ParallelScope
 WoofWare.NUnitTestRunner.SingleTestMethod inherit obj, implements WoofWare.NUnitTestRunner.SingleTestMethod System.IEquatable, System.Collections.IStructuralEquatable
 WoofWare.NUnitTestRunner.SingleTestMethod..ctor [constructor]: (System.Reflection.MethodInfo, WoofWare.NUnitTestRunner.TestKind, WoofWare.NUnitTestRunner.Modifier list, string list, int option, WoofWare.NUnitTestRunner.Combinatorial option, unit WoofWare.NUnitTestRunner.Parallelizable option)
 WoofWare.NUnitTestRunner.SingleTestMethod.Categories [property]: [read-only] string list
 WoofWare.NUnitTestRunner.SingleTestMethod.Combinatorial [property]: [read-only] WoofWare.NUnitTestRunner.Combinatorial option
+WoofWare.NUnitTestRunner.SingleTestMethod.Equals [method]: (WoofWare.NUnitTestRunner.SingleTestMethod, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.SingleTestMethod.get_Categories [method]: unit -> string list
 WoofWare.NUnitTestRunner.SingleTestMethod.get_Combinatorial [method]: unit -> WoofWare.NUnitTestRunner.Combinatorial option
 WoofWare.NUnitTestRunner.SingleTestMethod.get_Kind [method]: unit -> WoofWare.NUnitTestRunner.TestKind
@@ -215,6 +311,12 @@ WoofWare.NUnitTestRunner.SingleTestMethod.Parallelize [property]: [read-only] un
 WoofWare.NUnitTestRunner.SingleTestMethod.Repeat [property]: [read-only] int option
 WoofWare.NUnitTestRunner.SingleTestMethodModule inherit obj
 WoofWare.NUnitTestRunner.SingleTestMethodModule.parse [static method]: string list -> System.Reflection.MethodInfo -> System.Reflection.CustomAttributeData list -> (WoofWare.NUnitTestRunner.SingleTestMethod option * System.Reflection.CustomAttributeData list)
+WoofWare.NUnitTestRunner.TestContexts inherit obj, implements IDisposable
+WoofWare.NUnitTestRunner.TestContexts.Empty [static method]: unit -> WoofWare.NUnitTestRunner.TestContexts
+WoofWare.NUnitTestRunner.TestContexts.get_Stderr [method]: unit -> System.IO.TextWriter
+WoofWare.NUnitTestRunner.TestContexts.get_Stdout [method]: unit -> System.IO.TextWriter
+WoofWare.NUnitTestRunner.TestContexts.Stderr [property]: [read-only] System.IO.TextWriter
+WoofWare.NUnitTestRunner.TestContexts.Stdout [property]: [read-only] System.IO.TextWriter
 WoofWare.NUnitTestRunner.TestFailure inherit obj, implements WoofWare.NUnitTestRunner.TestFailure System.IEquatable, System.Collections.IStructuralEquatable - union type with 3 cases
 WoofWare.NUnitTestRunner.TestFailure+SetUpFailed inherit WoofWare.NUnitTestRunner.TestFailure
 WoofWare.NUnitTestRunner.TestFailure+SetUpFailed.get_Item [method]: unit -> WoofWare.NUnitTestRunner.UserMethodFailure
@@ -229,6 +331,7 @@ WoofWare.NUnitTestRunner.TestFailure+TearDownFailed.Item [property]: [read-only]
 WoofWare.NUnitTestRunner.TestFailure+TestFailed inherit WoofWare.NUnitTestRunner.TestFailure
 WoofWare.NUnitTestRunner.TestFailure+TestFailed.get_Item [method]: unit -> WoofWare.NUnitTestRunner.UserMethodFailure
 WoofWare.NUnitTestRunner.TestFailure+TestFailed.Item [property]: [read-only] WoofWare.NUnitTestRunner.UserMethodFailure
+WoofWare.NUnitTestRunner.TestFailure.Equals [method]: (WoofWare.NUnitTestRunner.TestFailure, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TestFailure.get_IsSetUpFailed [method]: unit -> bool
 WoofWare.NUnitTestRunner.TestFailure.get_IsTearDownFailed [method]: unit -> bool
 WoofWare.NUnitTestRunner.TestFailure.get_IsTestFailed [method]: unit -> bool
@@ -246,6 +349,7 @@ WoofWare.NUnitTestRunner.TestFixture inherit obj, implements WoofWare.NUnitTestR
 WoofWare.NUnitTestRunner.TestFixture..ctor [constructor]: (System.Reflection.Assembly, string, System.Type, System.Reflection.MethodInfo option, System.Reflection.MethodInfo option, System.Reflection.MethodInfo list, System.Reflection.MethodInfo list, obj list list, WoofWare.NUnitTestRunner.SingleTestMethod list, WoofWare.NUnitTestRunner.ClassParallelScope WoofWare.NUnitTestRunner.Parallelizable option)
 WoofWare.NUnitTestRunner.TestFixture.ContainingAssembly [property]: [read-only] System.Reflection.Assembly
 WoofWare.NUnitTestRunner.TestFixture.Empty [static method]: System.Type -> WoofWare.NUnitTestRunner.ClassParallelScope WoofWare.NUnitTestRunner.Parallelizable option -> obj list list -> WoofWare.NUnitTestRunner.TestFixture
+WoofWare.NUnitTestRunner.TestFixture.Equals [method]: (WoofWare.NUnitTestRunner.TestFixture, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TestFixture.get_ContainingAssembly [method]: unit -> System.Reflection.Assembly
 WoofWare.NUnitTestRunner.TestFixture.get_Name [method]: unit -> string
 WoofWare.NUnitTestRunner.TestFixture.get_OneTimeSetUp [method]: unit -> System.Reflection.MethodInfo option
@@ -267,7 +371,14 @@ WoofWare.NUnitTestRunner.TestFixture.Tests [property]: [read-only] WoofWare.NUni
 WoofWare.NUnitTestRunner.TestFixture.Type [property]: [read-only] System.Type
 WoofWare.NUnitTestRunner.TestFixtureModule inherit obj
 WoofWare.NUnitTestRunner.TestFixtureModule.parse [static method]: System.Type -> WoofWare.NUnitTestRunner.TestFixture
-WoofWare.NUnitTestRunner.TestFixtureModule.run [static method]: WoofWare.NUnitTestRunner.ITestProgress -> (WoofWare.NUnitTestRunner.TestFixture -> WoofWare.NUnitTestRunner.SingleTestMethod -> bool) -> WoofWare.NUnitTestRunner.TestFixture -> WoofWare.NUnitTestRunner.FixtureRunResults list
+WoofWare.NUnitTestRunner.TestFixtureModule.run [static method]: WoofWare.NUnitTestRunner.TestContexts -> WoofWare.NUnitTestRunner.ParallelQueue -> WoofWare.NUnitTestRunner.ITestProgress -> (WoofWare.NUnitTestRunner.TestFixture -> WoofWare.NUnitTestRunner.SingleTestMethod -> bool) -> WoofWare.NUnitTestRunner.TestFixture -> WoofWare.NUnitTestRunner.FixtureRunResults list System.Threading.Tasks.Task
+WoofWare.NUnitTestRunner.TestFixtureModule.runOneFixture [static method]: WoofWare.NUnitTestRunner.TestContexts -> WoofWare.NUnitTestRunner.ParallelQueue -> WoofWare.NUnitTestRunner.ITestProgress -> (WoofWare.NUnitTestRunner.TestFixture -> WoofWare.NUnitTestRunner.SingleTestMethod -> bool) -> string -> obj -> WoofWare.NUnitTestRunner.TestFixture -> WoofWare.NUnitTestRunner.FixtureRunResults System.Threading.Tasks.Task
+WoofWare.NUnitTestRunner.TestFixtureRunningToken inherit obj, implements WoofWare.NUnitTestRunner.TestFixtureRunningToken System.IEquatable, System.Collections.IStructuralEquatable
+WoofWare.NUnitTestRunner.TestFixtureRunningToken.Equals [method]: (WoofWare.NUnitTestRunner.TestFixtureRunningToken, System.Collections.IEqualityComparer) -> bool
+WoofWare.NUnitTestRunner.TestFixtureSetupToken inherit obj, implements WoofWare.NUnitTestRunner.TestFixtureSetupToken System.IEquatable, System.Collections.IStructuralEquatable
+WoofWare.NUnitTestRunner.TestFixtureSetupToken.Equals [method]: (WoofWare.NUnitTestRunner.TestFixtureSetupToken, System.Collections.IEqualityComparer) -> bool
+WoofWare.NUnitTestRunner.TestFixtureTearDownToken inherit obj, implements WoofWare.NUnitTestRunner.TestFixtureTearDownToken System.IEquatable, System.Collections.IStructuralEquatable
+WoofWare.NUnitTestRunner.TestFixtureTearDownToken.Equals [method]: (WoofWare.NUnitTestRunner.TestFixtureTearDownToken, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TestKind inherit obj, implements WoofWare.NUnitTestRunner.TestKind System.IEquatable, System.Collections.IStructuralEquatable - union type with 3 cases
 WoofWare.NUnitTestRunner.TestKind+Data inherit WoofWare.NUnitTestRunner.TestKind
 WoofWare.NUnitTestRunner.TestKind+Data.get_Item [method]: unit -> obj list list
@@ -279,6 +390,7 @@ WoofWare.NUnitTestRunner.TestKind+Tags inherit obj
 WoofWare.NUnitTestRunner.TestKind+Tags.Data [static field]: int = 2
 WoofWare.NUnitTestRunner.TestKind+Tags.Single [static field]: int = 0
 WoofWare.NUnitTestRunner.TestKind+Tags.Source [static field]: int = 1
+WoofWare.NUnitTestRunner.TestKind.Equals [method]: (WoofWare.NUnitTestRunner.TestKind, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TestKind.get_IsData [method]: unit -> bool
 WoofWare.NUnitTestRunner.TestKind.get_IsSingle [method]: unit -> bool
 WoofWare.NUnitTestRunner.TestKind.get_IsSource [method]: unit -> bool
@@ -301,6 +413,7 @@ WoofWare.NUnitTestRunner.TestMemberFailure+Malformed.reasons [property]: [read-o
 WoofWare.NUnitTestRunner.TestMemberFailure+Tags inherit obj
 WoofWare.NUnitTestRunner.TestMemberFailure+Tags.Failed [static field]: int = 1
 WoofWare.NUnitTestRunner.TestMemberFailure+Tags.Malformed [static field]: int = 0
+WoofWare.NUnitTestRunner.TestMemberFailure.Equals [method]: (WoofWare.NUnitTestRunner.TestMemberFailure, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TestMemberFailure.get_IsFailed [method]: unit -> bool
 WoofWare.NUnitTestRunner.TestMemberFailure.get_IsMalformed [method]: unit -> bool
 WoofWare.NUnitTestRunner.TestMemberFailure.get_Tag [method]: unit -> int
@@ -324,6 +437,7 @@ WoofWare.NUnitTestRunner.TestMemberSuccess+Tags.Explicit [static field]: int = 2
 WoofWare.NUnitTestRunner.TestMemberSuccess+Tags.Ignored [static field]: int = 1
 WoofWare.NUnitTestRunner.TestMemberSuccess+Tags.Inconclusive [static field]: int = 3
 WoofWare.NUnitTestRunner.TestMemberSuccess+Tags.Ok [static field]: int = 0
+WoofWare.NUnitTestRunner.TestMemberSuccess.Equals [method]: (WoofWare.NUnitTestRunner.TestMemberSuccess, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TestMemberSuccess.get_IsExplicit [method]: unit -> bool
 WoofWare.NUnitTestRunner.TestMemberSuccess.get_IsIgnored [method]: unit -> bool
 WoofWare.NUnitTestRunner.TestMemberSuccess.get_IsInconclusive [method]: unit -> bool
@@ -341,6 +455,7 @@ WoofWare.NUnitTestRunner.TestMemberSuccess.Ok [static property]: [read-only] Woo
 WoofWare.NUnitTestRunner.TestMemberSuccess.Tag [property]: [read-only] int
 WoofWare.NUnitTestRunner.TestProgress inherit obj
 WoofWare.NUnitTestRunner.TestProgress.toStderr [static method]: unit -> WoofWare.NUnitTestRunner.ITestProgress
+WoofWare.NUnitTestRunner.TestProgress.toWriter [static method]: System.IO.TextWriter -> WoofWare.NUnitTestRunner.ITestProgress
 WoofWare.NUnitTestRunner.TrxCounters inherit obj, implements WoofWare.NUnitTestRunner.TrxCounters System.IEquatable, System.Collections.IStructuralEquatable
 WoofWare.NUnitTestRunner.TrxCounters..ctor [constructor]: (System.UInt32, System.UInt32, System.UInt32, System.UInt32, System.UInt32, System.UInt32, System.UInt32, System.UInt32, System.UInt32, System.UInt32, System.UInt32, System.UInt32, System.UInt32, System.UInt32, System.UInt32, System.UInt32)
 WoofWare.NUnitTestRunner.TrxCounters.Aborted [property]: [read-only] System.UInt32
@@ -350,6 +465,7 @@ WoofWare.NUnitTestRunner.TrxCounters.AddNotExecuted [method]: unit -> WoofWare.N
 WoofWare.NUnitTestRunner.TrxCounters.AddPassed [method]: unit -> WoofWare.NUnitTestRunner.TrxCounters
 WoofWare.NUnitTestRunner.TrxCounters.Completed [property]: [read-only] System.UInt32
 WoofWare.NUnitTestRunner.TrxCounters.Disconnected [property]: [read-only] System.UInt32
+WoofWare.NUnitTestRunner.TrxCounters.Equals [method]: (WoofWare.NUnitTestRunner.TrxCounters, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TrxCounters.Errors [property]: [read-only] System.UInt32
 WoofWare.NUnitTestRunner.TrxCounters.Executed [property]: [read-only] System.UInt32
 WoofWare.NUnitTestRunner.TrxCounters.Failed [property]: [read-only] System.UInt32
@@ -383,16 +499,19 @@ WoofWare.NUnitTestRunner.TrxCounters.Warning [property]: [read-only] System.UInt
 WoofWare.NUnitTestRunner.TrxCounters.Zero [static property]: [read-only] WoofWare.NUnitTestRunner.TrxCounters
 WoofWare.NUnitTestRunner.TrxDeployment inherit obj, implements WoofWare.NUnitTestRunner.TrxDeployment System.IEquatable, System.Collections.IStructuralEquatable
 WoofWare.NUnitTestRunner.TrxDeployment..ctor [constructor]: string
+WoofWare.NUnitTestRunner.TrxDeployment.Equals [method]: (WoofWare.NUnitTestRunner.TrxDeployment, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TrxDeployment.get_RunDeploymentRoot [method]: unit -> string
 WoofWare.NUnitTestRunner.TrxDeployment.RunDeploymentRoot [property]: [read-only] string
 WoofWare.NUnitTestRunner.TrxErrorInfo inherit obj, implements WoofWare.NUnitTestRunner.TrxErrorInfo System.IEquatable, System.Collections.IStructuralEquatable
 WoofWare.NUnitTestRunner.TrxErrorInfo..ctor [constructor]: (string option, string option)
+WoofWare.NUnitTestRunner.TrxErrorInfo.Equals [method]: (WoofWare.NUnitTestRunner.TrxErrorInfo, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TrxErrorInfo.get_Message [method]: unit -> string option
 WoofWare.NUnitTestRunner.TrxErrorInfo.get_StackTrace [method]: unit -> string option
 WoofWare.NUnitTestRunner.TrxErrorInfo.Message [property]: [read-only] string option
 WoofWare.NUnitTestRunner.TrxErrorInfo.StackTrace [property]: [read-only] string option
 WoofWare.NUnitTestRunner.TrxExecution inherit obj, implements WoofWare.NUnitTestRunner.TrxExecution System.IEquatable, System.Collections.IStructuralEquatable
 WoofWare.NUnitTestRunner.TrxExecution..ctor [constructor]: System.Guid
+WoofWare.NUnitTestRunner.TrxExecution.Equals [method]: (WoofWare.NUnitTestRunner.TrxExecution, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TrxExecution.get_Id [method]: unit -> System.Guid
 WoofWare.NUnitTestRunner.TrxExecution.Id [property]: [read-only] System.Guid
 WoofWare.NUnitTestRunner.TrxOutcome inherit obj, implements WoofWare.NUnitTestRunner.TrxOutcome System.IEquatable, System.Collections.IStructuralEquatable - union type with 3 cases
@@ -401,6 +520,7 @@ WoofWare.NUnitTestRunner.TrxOutcome+Tags.Completed [static field]: int = 0
 WoofWare.NUnitTestRunner.TrxOutcome+Tags.Failed [static field]: int = 2
 WoofWare.NUnitTestRunner.TrxOutcome+Tags.Warning [static field]: int = 1
 WoofWare.NUnitTestRunner.TrxOutcome.Completed [static property]: [read-only] WoofWare.NUnitTestRunner.TrxOutcome
+WoofWare.NUnitTestRunner.TrxOutcome.Equals [method]: (WoofWare.NUnitTestRunner.TrxOutcome, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TrxOutcome.Failed [static property]: [read-only] WoofWare.NUnitTestRunner.TrxOutcome
 WoofWare.NUnitTestRunner.TrxOutcome.get_Completed [static method]: unit -> WoofWare.NUnitTestRunner.TrxOutcome
 WoofWare.NUnitTestRunner.TrxOutcome.get_Failed [static method]: unit -> WoofWare.NUnitTestRunner.TrxOutcome
@@ -417,6 +537,7 @@ WoofWare.NUnitTestRunner.TrxOutcome.Tag [property]: [read-only] int
 WoofWare.NUnitTestRunner.TrxOutcome.Warning [static property]: [read-only] WoofWare.NUnitTestRunner.TrxOutcome
 WoofWare.NUnitTestRunner.TrxOutput inherit obj, implements WoofWare.NUnitTestRunner.TrxOutput System.IEquatable, System.Collections.IStructuralEquatable
 WoofWare.NUnitTestRunner.TrxOutput..ctor [constructor]: (string option, string option, WoofWare.NUnitTestRunner.TrxErrorInfo option)
+WoofWare.NUnitTestRunner.TrxOutput.Equals [method]: (WoofWare.NUnitTestRunner.TrxOutput, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TrxOutput.ErrorInfo [property]: [read-only] WoofWare.NUnitTestRunner.TrxErrorInfo option
 WoofWare.NUnitTestRunner.TrxOutput.get_ErrorInfo [method]: unit -> WoofWare.NUnitTestRunner.TrxErrorInfo option
 WoofWare.NUnitTestRunner.TrxOutput.get_StdErr [method]: unit -> string option
@@ -425,6 +546,7 @@ WoofWare.NUnitTestRunner.TrxOutput.StdErr [property]: [read-only] string option
 WoofWare.NUnitTestRunner.TrxOutput.StdOut [property]: [read-only] string option
 WoofWare.NUnitTestRunner.TrxReport inherit obj, implements WoofWare.NUnitTestRunner.TrxReport System.IEquatable, System.Collections.IStructuralEquatable
 WoofWare.NUnitTestRunner.TrxReport..ctor [constructor]: (System.Guid, string, WoofWare.NUnitTestRunner.TrxReportTimes, WoofWare.NUnitTestRunner.TrxTestSettings, WoofWare.NUnitTestRunner.TrxUnitTestResult list, WoofWare.NUnitTestRunner.TrxUnitTest list, WoofWare.NUnitTestRunner.TrxTestEntry list, WoofWare.NUnitTestRunner.TrxTestListEntry list, WoofWare.NUnitTestRunner.TrxResultsSummary)
+WoofWare.NUnitTestRunner.TrxReport.Equals [method]: (WoofWare.NUnitTestRunner.TrxReport, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TrxReport.get_Id [method]: unit -> System.Guid
 WoofWare.NUnitTestRunner.TrxReport.get_Name [method]: unit -> string
 WoofWare.NUnitTestRunner.TrxReport.get_Results [method]: unit -> WoofWare.NUnitTestRunner.TrxUnitTestResult list
@@ -449,6 +571,7 @@ WoofWare.NUnitTestRunner.TrxReportModule.toXml [static method]: WoofWare.NUnitTe
 WoofWare.NUnitTestRunner.TrxReportTimes inherit obj, implements WoofWare.NUnitTestRunner.TrxReportTimes System.IEquatable, System.Collections.IStructuralEquatable
 WoofWare.NUnitTestRunner.TrxReportTimes..ctor [constructor]: (System.DateTimeOffset, System.DateTimeOffset, System.DateTimeOffset, System.DateTimeOffset)
 WoofWare.NUnitTestRunner.TrxReportTimes.Creation [property]: [read-only] System.DateTimeOffset
+WoofWare.NUnitTestRunner.TrxReportTimes.Equals [method]: (WoofWare.NUnitTestRunner.TrxReportTimes, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TrxReportTimes.Finish [property]: [read-only] System.DateTimeOffset
 WoofWare.NUnitTestRunner.TrxReportTimes.get_Creation [method]: unit -> System.DateTimeOffset
 WoofWare.NUnitTestRunner.TrxReportTimes.get_Finish [method]: unit -> System.DateTimeOffset
@@ -459,6 +582,7 @@ WoofWare.NUnitTestRunner.TrxReportTimes.Start [property]: [read-only] System.Dat
 WoofWare.NUnitTestRunner.TrxResultsSummary inherit obj, implements WoofWare.NUnitTestRunner.TrxResultsSummary System.IEquatable, System.Collections.IStructuralEquatable
 WoofWare.NUnitTestRunner.TrxResultsSummary..ctor [constructor]: (WoofWare.NUnitTestRunner.TrxOutcome, WoofWare.NUnitTestRunner.TrxCounters, WoofWare.NUnitTestRunner.TrxOutput, WoofWare.NUnitTestRunner.TrxRunInfo list)
 WoofWare.NUnitTestRunner.TrxResultsSummary.Counters [property]: [read-only] WoofWare.NUnitTestRunner.TrxCounters
+WoofWare.NUnitTestRunner.TrxResultsSummary.Equals [method]: (WoofWare.NUnitTestRunner.TrxResultsSummary, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TrxResultsSummary.get_Counters [method]: unit -> WoofWare.NUnitTestRunner.TrxCounters
 WoofWare.NUnitTestRunner.TrxResultsSummary.get_Outcome [method]: unit -> WoofWare.NUnitTestRunner.TrxOutcome
 WoofWare.NUnitTestRunner.TrxResultsSummary.get_Output [method]: unit -> WoofWare.NUnitTestRunner.TrxOutput
@@ -469,6 +593,7 @@ WoofWare.NUnitTestRunner.TrxResultsSummary.RunInfos [property]: [read-only] Woof
 WoofWare.NUnitTestRunner.TrxRunInfo inherit obj, implements WoofWare.NUnitTestRunner.TrxRunInfo System.IEquatable, System.Collections.IStructuralEquatable
 WoofWare.NUnitTestRunner.TrxRunInfo..ctor [constructor]: (string, WoofWare.NUnitTestRunner.TrxOutcome, System.DateTimeOffset, string)
 WoofWare.NUnitTestRunner.TrxRunInfo.ComputerName [property]: [read-only] string
+WoofWare.NUnitTestRunner.TrxRunInfo.Equals [method]: (WoofWare.NUnitTestRunner.TrxRunInfo, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TrxRunInfo.get_ComputerName [method]: unit -> string
 WoofWare.NUnitTestRunner.TrxRunInfo.get_Outcome [method]: unit -> WoofWare.NUnitTestRunner.TrxOutcome
 WoofWare.NUnitTestRunner.TrxRunInfo.get_Text [method]: unit -> string
@@ -478,6 +603,7 @@ WoofWare.NUnitTestRunner.TrxRunInfo.Text [property]: [read-only] string
 WoofWare.NUnitTestRunner.TrxRunInfo.Timestamp [property]: [read-only] System.DateTimeOffset
 WoofWare.NUnitTestRunner.TrxTestEntry inherit obj, implements WoofWare.NUnitTestRunner.TrxTestEntry System.IEquatable, System.Collections.IStructuralEquatable
 WoofWare.NUnitTestRunner.TrxTestEntry..ctor [constructor]: (System.Guid, System.Guid, System.Guid)
+WoofWare.NUnitTestRunner.TrxTestEntry.Equals [method]: (WoofWare.NUnitTestRunner.TrxTestEntry, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TrxTestEntry.ExecutionId [property]: [read-only] System.Guid
 WoofWare.NUnitTestRunner.TrxTestEntry.get_ExecutionId [method]: unit -> System.Guid
 WoofWare.NUnitTestRunner.TrxTestEntry.get_TestId [method]: unit -> System.Guid
@@ -486,6 +612,7 @@ WoofWare.NUnitTestRunner.TrxTestEntry.TestId [property]: [read-only] System.Guid
 WoofWare.NUnitTestRunner.TrxTestEntry.TestListId [property]: [read-only] System.Guid
 WoofWare.NUnitTestRunner.TrxTestListEntry inherit obj, implements WoofWare.NUnitTestRunner.TrxTestListEntry System.IEquatable, System.Collections.IStructuralEquatable
 WoofWare.NUnitTestRunner.TrxTestListEntry..ctor [constructor]: (string, System.Guid)
+WoofWare.NUnitTestRunner.TrxTestListEntry.Equals [method]: (WoofWare.NUnitTestRunner.TrxTestListEntry, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TrxTestListEntry.get_Id [method]: unit -> System.Guid
 WoofWare.NUnitTestRunner.TrxTestListEntry.get_Name [method]: unit -> string
 WoofWare.NUnitTestRunner.TrxTestListEntry.Id [property]: [read-only] System.Guid
@@ -495,6 +622,7 @@ WoofWare.NUnitTestRunner.TrxTestMethod..ctor [constructor]: (string, System.Uri,
 WoofWare.NUnitTestRunner.TrxTestMethod.AdapterTypeName [property]: [read-only] System.Uri
 WoofWare.NUnitTestRunner.TrxTestMethod.ClassName [property]: [read-only] string
 WoofWare.NUnitTestRunner.TrxTestMethod.CodeBase [property]: [read-only] string
+WoofWare.NUnitTestRunner.TrxTestMethod.Equals [method]: (WoofWare.NUnitTestRunner.TrxTestMethod, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TrxTestMethod.get_AdapterTypeName [method]: unit -> System.Uri
 WoofWare.NUnitTestRunner.TrxTestMethod.get_ClassName [method]: unit -> string
 WoofWare.NUnitTestRunner.TrxTestMethod.get_CodeBase [method]: unit -> string
@@ -506,6 +634,7 @@ WoofWare.NUnitTestRunner.TrxTestOutcome+Tags.Failed [static field]: int = 1
 WoofWare.NUnitTestRunner.TrxTestOutcome+Tags.Inconclusive [static field]: int = 3
 WoofWare.NUnitTestRunner.TrxTestOutcome+Tags.NotExecuted [static field]: int = 2
 WoofWare.NUnitTestRunner.TrxTestOutcome+Tags.Passed [static field]: int = 0
+WoofWare.NUnitTestRunner.TrxTestOutcome.Equals [method]: (WoofWare.NUnitTestRunner.TrxTestOutcome, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TrxTestOutcome.Failed [static property]: [read-only] WoofWare.NUnitTestRunner.TrxTestOutcome
 WoofWare.NUnitTestRunner.TrxTestOutcome.get_Failed [static method]: unit -> WoofWare.NUnitTestRunner.TrxTestOutcome
 WoofWare.NUnitTestRunner.TrxTestOutcome.get_Inconclusive [static method]: unit -> WoofWare.NUnitTestRunner.TrxTestOutcome
@@ -528,6 +657,7 @@ WoofWare.NUnitTestRunner.TrxTestOutcome.Tag [property]: [read-only] int
 WoofWare.NUnitTestRunner.TrxTestSettings inherit obj, implements WoofWare.NUnitTestRunner.TrxTestSettings System.IEquatable, System.Collections.IStructuralEquatable
 WoofWare.NUnitTestRunner.TrxTestSettings..ctor [constructor]: (string, System.Guid, WoofWare.NUnitTestRunner.TrxDeployment)
 WoofWare.NUnitTestRunner.TrxTestSettings.Deployment [property]: [read-only] WoofWare.NUnitTestRunner.TrxDeployment
+WoofWare.NUnitTestRunner.TrxTestSettings.Equals [method]: (WoofWare.NUnitTestRunner.TrxTestSettings, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TrxTestSettings.get_Deployment [method]: unit -> WoofWare.NUnitTestRunner.TrxDeployment
 WoofWare.NUnitTestRunner.TrxTestSettings.get_Id [method]: unit -> System.Guid
 WoofWare.NUnitTestRunner.TrxTestSettings.get_Name [method]: unit -> string
@@ -535,6 +665,7 @@ WoofWare.NUnitTestRunner.TrxTestSettings.Id [property]: [read-only] System.Guid
 WoofWare.NUnitTestRunner.TrxTestSettings.Name [property]: [read-only] string
 WoofWare.NUnitTestRunner.TrxUnitTest inherit obj, implements WoofWare.NUnitTestRunner.TrxUnitTest System.IEquatable, System.Collections.IStructuralEquatable
 WoofWare.NUnitTestRunner.TrxUnitTest..ctor [constructor]: (string, string, System.Guid, WoofWare.NUnitTestRunner.TrxExecution, WoofWare.NUnitTestRunner.TrxTestMethod)
+WoofWare.NUnitTestRunner.TrxUnitTest.Equals [method]: (WoofWare.NUnitTestRunner.TrxUnitTest, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TrxUnitTest.Execution [property]: [read-only] WoofWare.NUnitTestRunner.TrxExecution
 WoofWare.NUnitTestRunner.TrxUnitTest.get_Execution [method]: unit -> WoofWare.NUnitTestRunner.TrxExecution
 WoofWare.NUnitTestRunner.TrxUnitTest.get_Id [method]: unit -> System.Guid
@@ -550,6 +681,7 @@ WoofWare.NUnitTestRunner.TrxUnitTestResult..ctor [constructor]: (System.Guid, Sy
 WoofWare.NUnitTestRunner.TrxUnitTestResult.ComputerName [property]: [read-only] string
 WoofWare.NUnitTestRunner.TrxUnitTestResult.Duration [property]: [read-only] System.TimeSpan
 WoofWare.NUnitTestRunner.TrxUnitTestResult.EndTime [property]: [read-only] System.DateTimeOffset
+WoofWare.NUnitTestRunner.TrxUnitTestResult.Equals [method]: (WoofWare.NUnitTestRunner.TrxUnitTestResult, System.Collections.IEqualityComparer) -> bool
 WoofWare.NUnitTestRunner.TrxUnitTestResult.ExecutionId [property]: [read-only] System.Guid
 WoofWare.NUnitTestRunner.TrxUnitTestResult.get_ComputerName [method]: unit -> string
 WoofWare.NUnitTestRunner.TrxUnitTestResult.get_Duration [method]: unit -> System.TimeSpan
@@ -571,13 +703,21 @@ WoofWare.NUnitTestRunner.TrxUnitTestResult.TestId [property]: [read-only] System
 WoofWare.NUnitTestRunner.TrxUnitTestResult.TestListId [property]: [read-only] System.Guid
 WoofWare.NUnitTestRunner.TrxUnitTestResult.TestName [property]: [read-only] string
 WoofWare.NUnitTestRunner.TrxUnitTestResult.TestType [property]: [read-only] System.Guid
-WoofWare.NUnitTestRunner.UserMethodFailure inherit obj, implements WoofWare.NUnitTestRunner.UserMethodFailure System.IEquatable, System.Collections.IStructuralEquatable - union type with 2 cases
+WoofWare.NUnitTestRunner.UserMethodFailure inherit obj, implements WoofWare.NUnitTestRunner.UserMethodFailure System.IEquatable, System.Collections.IStructuralEquatable - union type with 3 cases
+WoofWare.NUnitTestRunner.UserMethodFailure+BadParameters inherit WoofWare.NUnitTestRunner.UserMethodFailure
+WoofWare.NUnitTestRunner.UserMethodFailure+BadParameters.actual [property]: [read-only] obj []
+WoofWare.NUnitTestRunner.UserMethodFailure+BadParameters.expected [property]: [read-only] System.Type []
+WoofWare.NUnitTestRunner.UserMethodFailure+BadParameters.get_actual [method]: unit -> obj []
+WoofWare.NUnitTestRunner.UserMethodFailure+BadParameters.get_expected [method]: unit -> System.Type []
+WoofWare.NUnitTestRunner.UserMethodFailure+BadParameters.get_name [method]: unit -> string
+WoofWare.NUnitTestRunner.UserMethodFailure+BadParameters.name [property]: [read-only] string
 WoofWare.NUnitTestRunner.UserMethodFailure+ReturnedNonUnit inherit WoofWare.NUnitTestRunner.UserMethodFailure
 WoofWare.NUnitTestRunner.UserMethodFailure+ReturnedNonUnit.get_name [method]: unit -> string
 WoofWare.NUnitTestRunner.UserMethodFailure+ReturnedNonUnit.get_result [method]: unit -> obj
 WoofWare.NUnitTestRunner.UserMethodFailure+ReturnedNonUnit.name [property]: [read-only] string
 WoofWare.NUnitTestRunner.UserMethodFailure+ReturnedNonUnit.result [property]: [read-only] obj
 WoofWare.NUnitTestRunner.UserMethodFailure+Tags inherit obj
+WoofWare.NUnitTestRunner.UserMethodFailure+Tags.BadParameters [static field]: int = 2
 WoofWare.NUnitTestRunner.UserMethodFailure+Tags.ReturnedNonUnit [static field]: int = 0
 WoofWare.NUnitTestRunner.UserMethodFailure+Tags.Threw [static field]: int = 1
 WoofWare.NUnitTestRunner.UserMethodFailure+Threw inherit WoofWare.NUnitTestRunner.UserMethodFailure
@@ -585,13 +725,17 @@ WoofWare.NUnitTestRunner.UserMethodFailure+Threw.get_Item2 [method]: unit -> Sys
 WoofWare.NUnitTestRunner.UserMethodFailure+Threw.get_name [method]: unit -> string
 WoofWare.NUnitTestRunner.UserMethodFailure+Threw.Item2 [property]: [read-only] System.Exception
 WoofWare.NUnitTestRunner.UserMethodFailure+Threw.name [property]: [read-only] string
+WoofWare.NUnitTestRunner.UserMethodFailure.Equals [method]: (WoofWare.NUnitTestRunner.UserMethodFailure, System.Collections.IEqualityComparer) -> bool
+WoofWare.NUnitTestRunner.UserMethodFailure.get_IsBadParameters [method]: unit -> bool
 WoofWare.NUnitTestRunner.UserMethodFailure.get_IsReturnedNonUnit [method]: unit -> bool
 WoofWare.NUnitTestRunner.UserMethodFailure.get_IsThrew [method]: unit -> bool
 WoofWare.NUnitTestRunner.UserMethodFailure.get_Name [method]: unit -> string
 WoofWare.NUnitTestRunner.UserMethodFailure.get_Tag [method]: unit -> int
+WoofWare.NUnitTestRunner.UserMethodFailure.IsBadParameters [property]: [read-only] bool
 WoofWare.NUnitTestRunner.UserMethodFailure.IsReturnedNonUnit [property]: [read-only] bool
 WoofWare.NUnitTestRunner.UserMethodFailure.IsThrew [property]: [read-only] bool
 WoofWare.NUnitTestRunner.UserMethodFailure.Name [property]: [read-only] string
+WoofWare.NUnitTestRunner.UserMethodFailure.NewBadParameters [static method]: (string, System.Type [], obj []) -> WoofWare.NUnitTestRunner.UserMethodFailure
 WoofWare.NUnitTestRunner.UserMethodFailure.NewReturnedNonUnit [static method]: (string, obj) -> WoofWare.NUnitTestRunner.UserMethodFailure
 WoofWare.NUnitTestRunner.UserMethodFailure.NewThrew [static method]: (string, System.Exception) -> WoofWare.NUnitTestRunner.UserMethodFailure
 WoofWare.NUnitTestRunner.UserMethodFailure.Tag [property]: [read-only] int

WoofWare.NUnitTestRunner.Lib/TestFixture.fs

@@ -6,21 +6,9 @@ open System.Diagnostics
 open System.IO
 open System.Reflection
 open System.Threading
+open System.Threading.Tasks
 open Microsoft.FSharp.Core
 
-type private StdoutSetter (newStdout : StreamWriter, newStderr : StreamWriter) =
-    let oldStdout = Console.Out
-    let oldStderr = Console.Error
-
-    do
-        Console.SetOut newStdout
-        Console.SetError newStderr
-
-    interface IDisposable with
-        member _.Dispose () =
-            Console.SetOut oldStdout
-            Console.SetError oldStderr
-
 /// Information about the circumstances of a run of a single test.
 type IndividualTestRunMetadata =
     {
@@ -80,6 +68,8 @@ module TestFixture =
     ///
     /// This function does not throw.
     let private runOne
+        (outputId : OutputStreamId)
+        (contexts : TestContexts)
         (setUp : MethodInfo list)
         (tearDown : MethodInfo list)
         (testId : Guid)
@@ -100,8 +90,15 @@ module TestFixture =
                 let result =
                     try
                         head.Invoke (containingObject, args) |> Ok
-                    with :? TargetInvocationException as e ->
+                    with
-                        Error (UserMethodFailure.Threw (head.Name, e.InnerException))
+                    | :? TargetInvocationException as e -> Error (UserMethodFailure.Threw (head.Name, e.InnerException))
+                    | :? TargetParameterCountException ->
+                        UserMethodFailure.BadParameters (
+                            head.Name,
+                            head.GetParameters () |> Array.map (fun pm -> pm.ParameterType),
+                            args
+                        )
+                        |> Error
 
                 match result with
                 | Error e -> Error (wrap e)
@@ -112,13 +109,6 @@ module TestFixture =
 
         let start = DateTimeOffset.Now
 
-        use stdOutStream = new MemoryStream ()
-        use stdErrStream = new MemoryStream ()
-        use stdOut = new StreamWriter (stdOutStream)
-        use stdErr = new StreamWriter (stdErrStream)
-
-        use _ = new StdoutSetter (stdOut, stdErr)
-
         let sw = Stopwatch.StartNew ()
 
         let metadata () =
@@ -139,13 +129,13 @@ module TestFixture =
                 TestName = name
                 ClassName = test.DeclaringType.FullName
                 StdOut =
-                    match stdOutStream.ToArray () with
+                    match contexts.DumpStdout outputId with
-                    | [||] -> None
+                    | "" -> None
-                    | arr -> Console.OutputEncoding.GetString arr |> Some
+                    | v -> Some v
                 StdErr =
-                    match stdErrStream.ToArray () with
+                    match contexts.DumpStderr outputId with
-                    | [||] -> None
+                    | "" -> None
-                    | arr -> Console.OutputEncoding.GetString arr |> Some
+                    | v -> Some v
             }
 
         let setUpResult = runMethods TestFailure.SetUpFailed setUp [||]
@@ -223,11 +213,15 @@ module TestFixture =
     /// This method should never throw: it only throws if there's a critical logic error in the runner.
     /// Exceptions from the units under test are wrapped up and passed out.
     let private runTestsFromMember
+        (contexts : TestContexts)
+        (par : ParallelQueue)
+        (running : TestFixtureSetupToken)
+        (progress : ITestProgress)
         (setUp : MethodInfo list)
         (tearDown : MethodInfo list)
         (containingObject : obj)
         (test : SingleTestMethod)
-        : (Result<TestMemberSuccess, TestMemberFailure> * IndividualTestRunMetadata) list
+        : (Result<TestMemberSuccess, TestMemberFailure> * IndividualTestRunMetadata) Task list
         =
         if test.Method.ContainsGenericParameters then
             let failureMetadata =
@@ -247,7 +241,7 @@ module TestFixture =
             let error =
                 TestMemberFailure.Malformed [ "Test contained generic parameters; generics are not supported." ]
 
-            (Error error, failureMetadata) |> List.singleton
+            (Error error, failureMetadata) |> Task.FromResult |> List.singleton
         else
 
         let resultPreRun =
@@ -263,17 +257,12 @@ module TestFixture =
                 | Modifier.Ignored reason -> Some (TestMemberSuccess.Ignored reason)
             )
 
-        let sw = Stopwatch.StartNew ()
-        let startTime = DateTimeOffset.Now
-
         match resultPreRun with
         | Some result ->
-            sw.Stop ()
-
             let failureMetadata =
                 {
-                    Total = sw.Elapsed
+                    Total = TimeSpan.Zero
-                    Start = startTime
+                    Start = DateTimeOffset.Now
                     End = DateTimeOffset.Now
                     ComputerName = Environment.MachineName
                     ExecutionId = Guid.NewGuid ()
@@ -285,7 +274,7 @@ module TestFixture =
                     StdOut = None
                 }
 
-            [ Ok result, failureMetadata ]
+            (Ok result, failureMetadata) |> Task.FromResult |> List.singleton
         | None ->
 
         let individualTests =
@@ -348,7 +337,7 @@ module TestFixture =
 
                             // Might not be an IEnumerable of a reference type.
                             // Concretely, `FSharpList<HttpStatusCode> :> IEnumerable<obj>` fails.
-                            for arg in args.GetValue (null : obj) :?> System.Collections.IEnumerable do
+                            for arg in args.GetValue (null : obj) :?> IEnumerable do
                                 yield
                                     Guid.NewGuid (),
                                     match arg with
@@ -371,20 +360,19 @@ module TestFixture =
                                             if isNull argsMem then
                                                 failwith "Unexpectedly could not call `.Arguments` on TestCaseData"
 
+                                            // TODO: need to capture this stdout/stderr
                                             (argsMem.Invoke (arg, [||]) |> unbox<obj[]>)
                                         else
                                             [| arg |]
                     ]
                     |> Ok
 
-        sw.Stop ()
-
         match individualTests with
         | Error e ->
             let failureMetadata =
                 {
-                    Total = sw.Elapsed
+                    Total = TimeSpan.Zero
-                    Start = startTime
+                    Start = DateTimeOffset.Now
                     End = DateTimeOffset.Now
                     ComputerName = Environment.MachineName
                     ExecutionId = Guid.NewGuid ()
@@ -397,7 +385,7 @@ module TestFixture =
                     StdOut = None
                 }
 
-            [ Error e, failureMetadata ]
+            (Error e, failureMetadata) |> Task.FromResult |> List.singleton
         | Ok individualTests ->
 
         let count = test.Repeat |> Option.defaultValue 1
@@ -405,116 +393,205 @@ module TestFixture =
         Seq.init count (fun _ -> individualTests)
         |> Seq.concat
         |> Seq.map (fun (testGuid, args) ->
-            let results, summary =
+            task {
-                runOne setUp tearDown testGuid test.Method containingObject args
+                let runMe () =
+                    progress.OnTestMemberStart test.Name
+                    let oldValue = contexts.AsyncLocal.Value
+                    let outputId = contexts.NewOutputs ()
+                    contexts.AsyncLocal.Value <- outputId
 
-            match results with
+                    let result, meta =
-            | Ok results -> Ok results, summary
+                        runOne outputId contexts setUp tearDown testGuid test.Method containingObject args
-            | Error e -> Error (TestMemberFailure.Failed e), summary
+
+                    contexts.AsyncLocal.Value <- oldValue
+                    progress.OnTestMemberFinished test.Name
+
+                    result, meta
+
+                let! results, summary = par.Run running test.Parallelize runMe
+
+                match results with
+                | Ok results -> return Ok results, summary
+                | Error e -> return Error (TestMemberFailure.Failed e), summary
+            }
         )
         |> Seq.toList
 
     /// Run every test (except those which fail the `filter`) in this test fixture, as well as the
     /// appropriate setup and tear-down logic.
-    let private runOneFixture
+    let runOneFixture
+        (contexts : TestContexts)
+        (par : ParallelQueue)
         (progress : ITestProgress)
         (filter : TestFixture -> SingleTestMethod -> bool)
         (name : string)
         (containingObject : obj)
         (tests : TestFixture)
-        : FixtureRunResults
+        : FixtureRunResults Task
         =
-        progress.OnTestFixtureStart name tests.Tests.Length
+        task {
+            let! running = par.StartTestFixture tests
+            progress.OnTestFixtureStart name tests.Tests.Length
 
-        let oldWorkDir = Environment.CurrentDirectory
+            let oldWorkDir = Environment.CurrentDirectory
-        Environment.CurrentDirectory <- FileInfo(tests.ContainingAssembly.Location).Directory.FullName
+            Environment.CurrentDirectory <- FileInfo(tests.ContainingAssembly.Location).Directory.FullName
 
-        let sw = Stopwatch.StartNew ()
+            let sw = Stopwatch.StartNew ()
-        let startTime = DateTimeOffset.UtcNow
+            let startTime = DateTimeOffset.UtcNow
 
-        use stdOutStream = new MemoryStream ()
+            let endMetadata (outputId : OutputStreamId) =
-        use stdOut = new StreamWriter (stdOutStream)
+                let stdOut = contexts.DumpStdout outputId
-        use stdErrStream = new MemoryStream ()
+                let stdErr = contexts.DumpStderr outputId
-        use stdErr = new StreamWriter (stdErrStream)
-        use _ = new StdoutSetter (stdOut, stdErr)
 
-        let endMetadata () =
+                {
-            let stdOut = stdOutStream.ToArray () |> Console.OutputEncoding.GetString
+                    Total = sw.Elapsed
-            let stdErr = stdErrStream.ToArray () |> Console.OutputEncoding.GetString
+                    Start = startTime
+                    End = DateTimeOffset.UtcNow
+                    ComputerName = Environment.MachineName
+                    ExecutionId = Guid.NewGuid ()
+                    TestId = Guid.NewGuid ()
+                    // This one is a bit dubious, because we don't actually have a test name at all
+                    TestName = name
+                    ClassName = tests.Name
+                    StdOut = if String.IsNullOrEmpty stdOut then None else Some stdOut
+                    StdErr = if String.IsNullOrEmpty stdErr then None else Some stdErr
+                }
 
-            {
+            let! setupResult, running =
-                Total = sw.Elapsed
+                match tests.OneTimeSetUp with
-                Start = startTime
+                | Some su ->
-                End = DateTimeOffset.UtcNow
+                    par.RunTestSetup
-                ComputerName = Environment.MachineName
+                        running
-                ExecutionId = Guid.NewGuid ()
+                        (fun () ->
-                TestId = Guid.NewGuid ()
+                            let oldValue = contexts.AsyncLocal.Value
-                // This one is a bit dubious, because we don't actually have a test name at all
+                            let newOutputs = contexts.NewOutputs ()
-                TestName = name
+                            contexts.AsyncLocal.Value <- newOutputs
-                ClassName = tests.Name
-                StdOut = if String.IsNullOrEmpty stdOut then None else Some stdOut
-                StdErr = if String.IsNullOrEmpty stdErr then None else Some stdErr
-            }
 
-        let setupResult =
+                            let result =
-            match tests.OneTimeSetUp with
+                                try
-            | Some su ->
+                                    match su.Invoke (containingObject, [||]) with
-                try
+                                    | :? unit -> None
-                    match su.Invoke (containingObject, [||]) with
+                                    | ret ->
-                    | :? unit -> None
+                                        Some (UserMethodFailure.ReturnedNonUnit (su.Name, ret), endMetadata newOutputs)
-                    | ret -> Some (UserMethodFailure.ReturnedNonUnit (su.Name, ret), endMetadata ())
+                                with :? TargetInvocationException as e ->
-                with :? TargetInvocationException as e ->
+                                    Some (UserMethodFailure.Threw (su.Name, e.InnerException), endMetadata newOutputs)
-                    Some (UserMethodFailure.Threw (su.Name, e.InnerException), endMetadata ())
-            | _ -> None
 
-        let testFailures = ResizeArray<TestMemberFailure * IndividualTestRunMetadata> ()
+                            contexts.AsyncLocal.Value <- oldValue
 
-        let successes =
+                            match result with
-            ResizeArray<SingleTestMethod * TestMemberSuccess * IndividualTestRunMetadata> ()
+                            | None -> Ok (Some newOutputs)
+                            | Some err -> Error (err, newOutputs)
+                        )
+                | _ -> Task.FromResult (Ok None, TestFixtureSetupToken.vouchNoSetupRequired running)
 
-        match setupResult with
+            let testFailures = ResizeArray<TestMemberFailure * IndividualTestRunMetadata> ()
-        | Some _ ->
-            // Don't run any tests if setup failed.
-            ()
-        | None ->
-            for test in tests.Tests do
-                if filter tests test then
-                    progress.OnTestMemberStart test.Name
-                    let testSuccess = ref 0
 
-                    let results = runTestsFromMember tests.SetUp tests.TearDown containingObject test
+            let successes =
+                ResizeArray<SingleTestMethod * TestMemberSuccess * IndividualTestRunMetadata> ()
 
-                    for result, report in results do
+            let testsRun =
-                        match result with
+                match setupResult with
-                        | Error failure ->
+                | Error _ ->
-                            testFailures.Add (failure, report)
+                    // Don't run any tests if setup failed.
-                            progress.OnTestFailed test.Name failure
+                    Task.FromResult ()
-                        | Ok result ->
+                | Ok _ ->
-                            Interlocked.Increment testSuccess |> ignore<int>
+                    tests.Tests
-                            lock successes (fun () -> successes.Add (test, result, report))
+                    |> Seq.filter (fun test ->
+                        if filter tests test then
+                            true
+                        else
+                            progress.OnTestMemberSkipped test.Name
+                            false
+                    )
+                    |> Seq.map (fun test ->
+                        task {
+                            let testSuccess = ref 0
 
-                    progress.OnTestMemberFinished test.Name
+                            let results =
-                else
+                                runTestsFromMember
-                    progress.OnTestMemberSkipped test.Name
+                                    contexts
+                                    par
+                                    running
+                                    progress
+                                    tests.SetUp
+                                    tests.TearDown
+                                    containingObject
+                                    test
 
-        // Unconditionally run OneTimeTearDown if it exists.
+                            let! result =
-        let tearDownError =
+                                results
-            match tests.OneTimeTearDown with
+                                |> List.map (fun t ->
-            | Some td ->
+                                    task {
-                try
+                                        let! result, report = t
-                    match td.Invoke (containingObject, [||]) with
-                    | null -> None
-                    | ret -> Some (UserMethodFailure.ReturnedNonUnit (td.Name, ret), endMetadata ())
-                with :? TargetInvocationException as e ->
-                    Some (UserMethodFailure.Threw (td.Name, e), endMetadata ())
-            | _ -> None
 
-        Environment.CurrentDirectory <- oldWorkDir
+                                        match result with
+                                        | Error failure ->
+                                            testFailures.Add (failure, report)
+                                            progress.OnTestFailed test.Name failure
+                                        | Ok result ->
+                                            Interlocked.Increment testSuccess |> ignore<int>
+                                            lock successes (fun () -> successes.Add (test, result, report))
+                                    }
+                                )
+                                |> Task.WhenAll
 
-        {
+                            result |> Array.iter id
-            Failed = testFailures |> Seq.toList
+                        }
-            Success = successes |> Seq.toList
+                    )
-            OtherFailures = [ tearDownError ; setupResult ] |> List.choose id
+                    |> Task.WhenAll
+                    |> fun t ->
+                        task {
+                            let! t = t
+                            return t |> Array.iter id
+                        }
+
+            do! testsRun
+
+            // Unconditionally run OneTimeTearDown if it exists.
+            let! tearDownError, tornDown =
+                match tests.OneTimeTearDown with
+                | Some td ->
+                    par.RunTestTearDown
+                        running
+                        (fun () ->
+                            let oldValue = contexts.AsyncLocal.Value
+                            let outputs = contexts.NewOutputs ()
+                            contexts.AsyncLocal.Value <- outputs
+
+                            let result =
+                                try
+                                    match td.Invoke (containingObject, [||]) with
+                                    | :? unit -> None
+                                    | ret ->
+                                        Some (UserMethodFailure.ReturnedNonUnit (td.Name, ret), endMetadata outputs)
+                                with :? TargetInvocationException as e ->
+                                    Some (UserMethodFailure.Threw (td.Name, e.InnerException), endMetadata outputs)
+
+                            contexts.AsyncLocal.Value <- oldValue
+
+                            match result with
+                            | None -> Ok (Some outputs)
+                            | Some err -> Error (err, outputs)
+                        )
+                | _ -> Task.FromResult (Ok None, TestFixtureTearDownToken.vouchNoTearDownRequired running)
+
+            Environment.CurrentDirectory <- oldWorkDir
+
+            do! par.EndTestFixture tornDown
+
+            // TODO: we have access to stdout/err of OneTimeSetUp and OneTimeTearDown here, but we throw them away.
+            return
+                {
+                    Failed = testFailures |> Seq.toList
+                    Success = successes |> Seq.toList
+                    OtherFailures =
+                        [ tearDownError ; setupResult ]
+                        |> List.choose (
+                            function
+                            | Error (e, _) -> Some e
+                            | Ok _ -> None
+                        )
+                }
         }
 
     /// Interpret this type as a [<TestFixture>], extracting the test members from it and annotating them with all
@@ -550,14 +627,16 @@ module TestFixture =
                         | [ v ] ->
                             match v.Value with
                             | :? int as v ->
-                                match v with
+                                match ParallelScope.ofInt v with
-                                | 512 -> categories, args, Some (Parallelizable.Yes ClassParallelScope.Fixtures)
+                                | ParallelScope.Fixtures ->
-                                | 256 -> categories, args, Some (Parallelizable.Yes ClassParallelScope.Children)
+                                    categories, args, Some (Parallelizable.Yes ClassParallelScope.Fixtures)
-                                | 257 -> categories, args, Some (Parallelizable.Yes ClassParallelScope.All)
+                                | ParallelScope.Children ->
-                                | 1 -> categories, args, Some (Parallelizable.Yes ClassParallelScope.Self)
+                                    categories, args, Some (Parallelizable.Yes ClassParallelScope.Children)
-                                | v ->
+                                | ParallelScope.All ->
-                                    failwith
+                                    categories, args, Some (Parallelizable.Yes ClassParallelScope.All)
-                                        $"Could not recognise value %i{v} of parallel scope in %s{parentType.FullName}"
+                                | ParallelScope.Self ->
+                                    categories, args, Some (Parallelizable.Yes ClassParallelScope.Self)
+                                | ParallelScope.None -> categories, args, Some Parallelizable.No
                             | v ->
                                 failwith
                                     $"Unexpectedly non-int value %O{v} of parallel scope in %s{parentType.FullName}"
@@ -639,10 +718,12 @@ module TestFixture =
     /// Run every test (except those which fail the `filter`) in this test fixture, as well as the
     /// appropriate setup and tear-down logic.
     let run
+        (contexts : TestContexts)
+        (par : ParallelQueue)
         (progress : ITestProgress)
         (filter : TestFixture -> SingleTestMethod -> bool)
         (tests : TestFixture)
-        : FixtureRunResults list
+        : FixtureRunResults list Task
         =
         match tests.Parameters with
         | [] -> [ null ]
@@ -678,5 +759,11 @@ module TestFixture =
                     let args = args |> Seq.map (fun o -> o.ToString ()) |> String.concat ","
                     $"%s{tests.Name}(%s{args})"
 
-            runOneFixture progress filter name containingObject tests
+            runOneFixture contexts par progress filter name containingObject tests
         )
+        |> Task.WhenAll
+        |> fun t ->
+            task {
+                let! t = t
+                return Array.toList t
+            }

WoofWare.NUnitTestRunner.Lib/TestProgress.fs

@@ -1,6 +1,7 @@
 namespace WoofWare.NUnitTestRunner
 
 open System
+open System.IO
 
 /// Represents something which knows how to report progress through a test suite.
 /// Note that we don't guarantee anything about parallelism; you must make sure
@@ -24,22 +25,25 @@ type ITestProgress =
 /// Methods for constructing specific ITestProgress objects.
 [<RequireQualifiedAccess>]
 module TestProgress =
-    /// An ITestProgress which logs to stderr.
+    /// An ITestProgress which logs to the given writer.
-    let toStderr () : ITestProgress =
+    let toWriter (writer : TextWriter) : ITestProgress =
         { new ITestProgress with
             member _.OnTestFixtureStart name testCount =
                 let plural = if testCount = 1 then "" else "s"
-                Console.Error.WriteLine $"Running test fixture: %s{name} (%i{testCount} test%s{plural} to run)"
+                writer.WriteLine $"Running test fixture: %s{name} (%i{testCount} test%s{plural} to run)"
 
             member _.OnTestMemberStart name =
-                Console.Error.WriteLine $"Running test: %s{name}"
+                writer.WriteLine $"Running test: %s{name}"
 
             member _.OnTestFailed name failure =
-                Console.Error.WriteLine $"Test failed: %O{failure}"
+                writer.WriteLine $"Test failed: %O{failure}"
 
             member _.OnTestMemberFinished name =
-                Console.Error.WriteLine $"Finished test %s{name}"
+                writer.WriteLine $"Finished test %s{name}"
 
             member _.OnTestMemberSkipped name =
-                Console.Error.WriteLine $"Skipping test due to filter: %s{name}"
+                writer.WriteLine $"Skipping test due to filter: %s{name}"
         }
+
+    /// An ITestProgress which logs to stderr.
+    let toStderr () : ITestProgress = toWriter Console.Error

WoofWare.NUnitTestRunner.Lib/WoofWare.NUnitTestRunner.Lib.fsproj

@@ -14,7 +14,7 @@
       <PackageId>WoofWare.NUnitTestRunner.Lib</PackageId>
       <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
       <WarnOn>FS3559</WarnOn>
-      <WoofWareMyriadPluginVersion>2.1.44</WoofWareMyriadPluginVersion>
+      <WoofWareMyriadPluginVersion>4.0.9</WoofWareMyriadPluginVersion>
     </PropertyGroup>
 
     <ItemGroup>
@@ -23,17 +23,23 @@
       <Compile Include="GeneratedRuntimeConfig.fs">
         <MyriadFile>RuntimeConfig.fs</MyriadFile>
       </Compile>
+      <Compile Include="ParallelScope.fs" />
       <Compile Include="DotnetRuntime.fs" />
       <Compile Include="Array.fs" />
       <Compile Include="List.fs" />
       <Compile Include="Result.fs" />
       <Compile Include="Domain.fs" />
       <Compile Include="Filter.fs" />
+      <Compile Include="Args.fs" />
+      <Compile Include="ParallelQueue.fs" />
       <Compile Include="SingleTestMethod.fs" />
       <Compile Include="TestProgress.fs" />
+      <Compile Include="Context.fs" />
       <Compile Include="TestFixture.fs" />
       <Compile Include="Xml.fs" />
       <Compile Include="TrxReport.fs" />
+      <Compile Include="CreateTrxReport.fs" />
+      <Compile Include="AssemblyLevelAttributes.fs" />
       <None Include="..\README.md">
         <Pack>True</Pack>
         <PackagePath>\</PackagePath>
@@ -42,14 +48,14 @@
       <EmbeddedResource Include="version.json" />
     </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="WoofWare.PrattParser" Version="0.1.2" />
+    <PackageReference Include="WoofWare.PrattParser" Version="0.2.3" />
-    <PackageReference Update="FSharp.Core" Version="6.0.0" />
+    <PackageReference Update="FSharp.Core" Version="6.0.1" />
-    <PackageReference Include="WoofWare.DotnetRuntimeLocator" Version="0.1.4" />
+    <PackageReference Include="WoofWare.DotnetRuntimeLocator" Version="0.1.11" />
-    <PackageReference Include="WoofWare.Myriad.Plugins.Attributes" Version="3.1.6" />
+    <PackageReference Include="WoofWare.Myriad.Plugins.Attributes" Version="3.6.6" />
-    <PackageReference Include="Myriad.SDK" Version="0.8.3" />
+    <PackageReference Include="Myriad.SDK" Version="0.8.3" PrivateAssets="all" />
     <PackageReference Include="WoofWare.Myriad.Plugins" Version="$(WoofWareMyriadPluginVersion)" PrivateAssets="all" />
   </ItemGroup>
-  
+
   <ItemGroup>
     <MyriadSdkGenerator Include="$(NuGetPackageRoot)/woofware.myriad.plugins/$(WoofWareMyriadPluginVersion)/lib/net6.0/WoofWare.Myriad.Plugins.dll" />
   </ItemGroup>

WoofWare.NUnitTestRunner.Lib/version.json

@@ -1,5 +1,5 @@
 {
-  "version": "0.12",
+  "version": "0.20",
   "publicReleaseRefSpec": [
     "^refs/heads/main$"
   ],

WoofWare.NUnitTestRunner.StartupHook/StartupHook.cs

@@ -0,0 +1,35 @@
+using System.Linq;
+using System.Reflection;
+using System.Runtime.Loader;
+using WoofWare.NUnitTestRunner.StartupHook;
+
+namespace WoofWare.NUnitTestRunner.StartupHook
+{
+    internal class StartupAssemblyLoadContext : AssemblyLoadContext
+    {
+        private readonly AssemblyDependencyResolver _resolver;
+
+        public StartupAssemblyLoadContext()
+        {
+            _resolver = new AssemblyDependencyResolver(Assembly.GetExecutingAssembly().Location);
+        }
+
+        protected override Assembly Load(AssemblyName assemblyName)
+        {
+            var assemblyPath = _resolver.ResolveAssemblyToPath(assemblyName);
+
+            return assemblyPath != null ? LoadFromAssemblyPath(assemblyPath) : null;
+        }
+    }
+}
+
+// Must be internal and called `StartupHook`
+internal class StartupHook
+{
+    public static void Initialize()
+    {
+        var loadContext = new StartupAssemblyLoadContext();
+        var assembly = loadContext.LoadFromAssemblyName(new AssemblyName("WoofWare.NUnitTestRunner.StartupHookLogic"));
+        assembly.DefinedTypes.First(x => x.Name == "StartupHookLogic").GetDeclaredMethod("DoIt")!.Invoke(null, null);
+    }
+}

WoofWare.NUnitTestRunner.StartupHook/WoofWare.NUnitTestRunner.StartupHook.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\WoofWare.NUnitTestRunner.StartupHookLogic\WoofWare.NUnitTestRunner.StartupHookLogic.csproj" />
+    <ProjectReference Include="..\WoofWare.NUnitTestRunner.Lib\WoofWare.NUnitTestRunner.Lib.fsproj"/>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Compile Include="StartupHook.cs"/>
+  </ItemGroup>
+
+</Project>

WoofWare.NUnitTestRunner.StartupHookLogic/StartupHookLogic.cs

@@ -0,0 +1,102 @@
+using System.Reflection;
+using Microsoft.FSharp.Collections;
+using Microsoft.FSharp.Core;
+
+namespace WoofWare.NUnitTestRunner.StartupHookLogic;
+
+public class StartupHookLogic
+{
+    private static void DoIt()
+    {
+        // Load test runner lib
+        var nunitLib = Environment.GetEnvironmentVariable("WOOFWARE_NUNIT_LIB");
+        if (string.IsNullOrEmpty(nunitLib))
+        {
+            throw new ArgumentException("WoofWare.NUnitTestRunner hook expects to run with WOOFWARE_NUNIT_LIB set to WoofWare.NUnitTestRunner.Lib.dll");
+        }
+        Assembly.LoadFrom(nunitLib);
+
+        var startTime = DateTimeOffset.Now;
+
+        // Arg parsing
+
+        var filterVar = Environment.GetEnvironmentVariable("WOOFWARE_NUNIT_FILTER");
+        static bool NoFilter(TestFixture f, SingleTestMethod g)
+        {
+            return true;
+        }
+
+        FSharpFunc<TestFixture, FSharpFunc<SingleTestMethod, bool>> filter;
+        if (string.IsNullOrEmpty(filterVar))
+        {
+            filter = FuncConvert.FromFunc<TestFixture, SingleTestMethod, bool>(NoFilter);
+        }
+        else
+        {
+            filter = FilterModule.shouldRun(FilterModule.parse(filterVar));
+        }
+
+        var assy = Assembly.GetEntryAssembly()!;
+
+        var attrs = AssemblyLevelAttributesModule.get(assy);
+
+        FSharpOption<int> levelOfParallelism;
+        var parallelismVar = Environment.GetEnvironmentVariable("WOOFWARE_NUNIT_PARALLELISM_LEVEL");
+        if (string.IsNullOrEmpty(parallelismVar))
+        {
+            levelOfParallelism = attrs.Parallelism;
+        }
+        else
+        {
+            levelOfParallelism = FSharpOption<int>.Some(Int32.Parse(parallelismVar));
+        }
+
+        var testFixtures = assy.ExportedTypes.Select(TestFixtureModule.parse);
+        using var par =
+            new ParallelQueue(levelOfParallelism, attrs.Parallelizable, FSharpOption<CancellationToken>.None);
+        var creationTime = DateTimeOffset.Now;
+
+        var timeoutVar = Environment.GetEnvironmentVariable("WOOFWARE_NUNIT_TIMEOUT_SECS");
+        TimeSpan timeout;
+        if (string.IsNullOrEmpty(timeoutVar))
+        {
+            timeout = TimeSpan.FromHours(2.0);
+        }
+        else
+        {
+            timeout = TimeSpan.FromSeconds(Int32.Parse(timeoutVar));
+        }
+
+        var normalErr = Console.Error;
+        using var contexts = TestContexts.Empty();
+        Console.SetOut(contexts.Stdout);
+        Console.SetError(contexts.Stderr);
+        var results =
+            Task.WhenAll(testFixtures.Select(x =>
+                TestFixtureModule.run(contexts, par, TestProgress.toWriter(normalErr), filter, x)));
+
+        if (!results.Wait(timeout))
+        {
+            throw new Exception($"Tests failed to terminate within timeout of {timeout}");
+        }
+
+        var sorted =
+            results.Result.SelectMany(x => x);
+        var report = BuildTrxReport.build(assy, creationTime, startTime, ListModule.OfSeq(sorted));
+
+        var trxFile = Environment.GetEnvironmentVariable("WOOFWARE_NUNIT_GENERATE_TRX");
+        if (!string.IsNullOrEmpty(trxFile))
+        {
+            var contents = TrxReportModule.toXml(report).OuterXml;
+            var trxPath = new FileInfo(trxFile);
+            trxPath.Directory!.Create();
+            File.WriteAllText(trxPath.FullName, contents);
+            normalErr.WriteLine($"Written TRX file: {trxPath.FullName}");
+        }
+
+        if (report.ResultsSummary.Outcome.Equals(TrxOutcome.Completed))
+            Environment.Exit(0);
+        else
+            Environment.Exit(1);
+    }
+}

WoofWare.NUnitTestRunner.StartupHookLogic/WoofWare.NUnitTestRunner.StartupHookLogic.csproj

@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\WoofWare.NUnitTestRunner.Lib\WoofWare.NUnitTestRunner.Lib.fsproj"/>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Compile Include="StartupHookLogic.cs"/>
+  </ItemGroup>
+
+</Project>

WoofWare.NUnitTestRunner.sln

@@ -8,6 +8,12 @@ Project("{F2A71F9B-5D33-465A-A702-920D77279786}") = "WoofWare.NUnitTestRunner.Li
 EndProject
 Project("{F2A71F9B-5D33-465A-A702-920D77279786}") = "WoofWare.NUnitTestRunner.Test", "WoofWare.NUnitTestRunner\WoofWare.NUnitTestRunner.Test\WoofWare.NUnitTestRunner.Test.fsproj", "{443B01B3-2A8C-45CF-96D6-1D890EEA0533}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WoofWare.NUnitTestRunner.StartupHook", "WoofWare.NUnitTestRunner.StartupHook\WoofWare.NUnitTestRunner.StartupHook.csproj", "{E2C73D96-570C-4E3C-B997-707AF8BB0E6A}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WoofWare.NUnitTestRunner.StartupHookLogic", "WoofWare.NUnitTestRunner.StartupHookLogic\WoofWare.NUnitTestRunner.StartupHookLogic.csproj", "{A70627C8-9D19-42C2-AFEB-CFBDDDCE045D}"
+EndProject
+Project("{F2A71F9B-5D33-465A-A702-920D77279786}") = "FailingConsumer", "FailingConsumer\FailingConsumer.fsproj", "{DA7160F5-4C3C-4D2E-918B-7DCBA3F4272E}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -30,5 +36,17 @@ Global
 		{443B01B3-2A8C-45CF-96D6-1D890EEA0533}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{443B01B3-2A8C-45CF-96D6-1D890EEA0533}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{443B01B3-2A8C-45CF-96D6-1D890EEA0533}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E2C73D96-570C-4E3C-B997-707AF8BB0E6A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E2C73D96-570C-4E3C-B997-707AF8BB0E6A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E2C73D96-570C-4E3C-B997-707AF8BB0E6A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E2C73D96-570C-4E3C-B997-707AF8BB0E6A}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A70627C8-9D19-42C2-AFEB-CFBDDDCE045D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A70627C8-9D19-42C2-AFEB-CFBDDDCE045D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A70627C8-9D19-42C2-AFEB-CFBDDDCE045D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A70627C8-9D19-42C2-AFEB-CFBDDDCE045D}.Release|Any CPU.Build.0 = Release|Any CPU
+		{DA7160F5-4C3C-4D2E-918B-7DCBA3F4272E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{DA7160F5-4C3C-4D2E-918B-7DCBA3F4272E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DA7160F5-4C3C-4D2E-918B-7DCBA3F4272E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{DA7160F5-4C3C-4D2E-918B-7DCBA3F4272E}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal

WoofWare.NUnitTestRunner/Program.fs

@@ -1,346 +1,84 @@
 namespace WoofWare.NUnitTestRunner
 
 open System
+open System.Diagnostics
 open System.IO
 open System.Reflection
-open System.Runtime.Loader
+open System.Threading.Tasks
-
+open Spectre.Console
-// Fix for https://github.com/Smaug123/unofficial-nunit-runner/issues/8
-// Set AppContext.BaseDirectory to where the test DLL is.
-// (This tells the DLL loader to look next to the test DLL for dependencies.)
-type SetBaseDir (testDll : FileInfo) =
-    let oldBaseDir = AppContext.BaseDirectory
-    do AppContext.SetData ("APP_CONTEXT_BASE_DIRECTORY", testDll.Directory.FullName)
-
-    interface IDisposable with
-        member _.Dispose () =
-            AppContext.SetData ("APP_CONTEXT_BASE_DIRECTORY", oldBaseDir)
-
-
-type Ctx (dll : FileInfo, runtimes : DirectoryInfo list) =
-    inherit AssemblyLoadContext ()
-
-    override this.Load (target : AssemblyName) : Assembly =
-        let path = Path.Combine (dll.Directory.FullName, $"%s{target.Name}.dll")
-
-        if File.Exists path then
-            this.LoadFromAssemblyPath path
-        else
-
-        runtimes
-        |> List.tryPick (fun di ->
-            let path = Path.Combine (di.FullName, $"%s{target.Name}.dll")
-
-            if File.Exists path then
-                this.LoadFromAssemblyPath path |> Some
-            else
-                None
-        )
-        |> Option.defaultValue null
-
 
 module Program =
-    let main argv =
+    // This is actually transcribed into C# in WoofWare.NUnitTestRunner.StartupHookLogic.
+    let execute argv =
         let startTime = DateTimeOffset.Now
 
-        let testDll, filter, trxPath =
+        let args = argv |> List.ofArray |> Args.Parse
-            match argv |> List.ofSeq with
-            | [ dll ] -> FileInfo dll, None, None
-            | [ dll ; "--trx" ; trxPath ] -> FileInfo dll, None, Some (FileInfo trxPath)
-            | [ dll ; "--filter" ; filter ] -> FileInfo dll, Some (Filter.parse filter), None
-            | [ dll ; "--trx" ; trxPath ; "--filter" ; filter ] ->
-                FileInfo dll, Some (Filter.parse filter), Some (FileInfo trxPath)
-            | [ dll ; "--filter" ; filter ; "--trx" ; trxPath ] ->
-                FileInfo dll, Some (Filter.parse filter), Some (FileInfo trxPath)
-            | _ ->
-                failwith
-                    "provide exactly one arg, a test DLL; then optionally `--filter <filter>` and/or `--trx <output-filename>`."
 
         let filter =
-            match filter with
+            match args.Filter with
-            | Some filter -> Filter.shouldRun filter
+            | Some (_, filter) -> Filter.shouldRun filter
             | None -> fun _ _ -> true
 
-        let progress = Progress.spectre ()
+        let stderr =
+            let consoleSettings = AnsiConsoleSettings ()
+            consoleSettings.Out <- AnsiConsoleOutput Console.Error
+            AnsiConsole.Create consoleSettings
 
-        use _ = new SetBaseDir (testDll)
+        let progress = Progress.spectre stderr
 
-        let ctx = Ctx (testDll, DotnetRuntime.locate testDll)
+        let runtime = DotnetRuntime.locate args.Dll
-        let assy = ctx.LoadFromAssemblyPath testDll.FullName
 
-        let levelOfParallelism, par =
+        match args.Logging with
-            ((None, None), assy.CustomAttributes)
+        | LogLevel.Nothing -> ()
-            ||> Seq.fold (fun (levelPar, par) attr ->
+        | LogLevel.Verbose ->
-                match attr.AttributeType.FullName with
+            for d in runtime do
-                | "NUnit.Framework.LevelOfParallelismAttribute" ->
+                stderr.WriteLine $".NET runtime directory: %s{d.FullName}"
-                    let arg = attr.ConstructorArguments |> Seq.exactlyOne |> _.Value |> unbox<int>
 
-                    match levelPar with
+        use contexts = TestContexts.Empty ()
-                    | None -> (Some arg, par)
+
-                    | Some existing ->
+        let ctx = LoadContext (args.Dll, runtime, contexts)
-                        failwith $"Assembly %s{assy.Location} declares parallelism %i{arg} and also %i{existing}"
+        let assy = ctx.LoadFromAssemblyPath args.Dll.FullName
-                | "NUnit.Framework.NonParallelizableAttribute" ->
+
-                    match levelPar with
+        let attrs = AssemblyLevelAttributes.get assy
-                    | None -> (Some 1, par)
+
-                    | Some existing ->
+        let levelOfParallelism =
-                        failwith
+            match args.LevelOfParallelism, attrs.Parallelism with
-                            $"Assembly %s{assy.Location} declares non-parallelizable and also parallelism %i{existing}"
+            | None, None -> None
-                | "NUnit.Framework.ParallelizableAttribute" ->
+            | Some taken, Some ignored ->
-                    match par with
+                match args.Logging with
-                    | Some _ -> failwith "Got multiple Parallelize attributes in assembly"
+                | LogLevel.Nothing -> ()
-                    | None ->
+                | LogLevel.Verbose ->
-                        match attr.ConstructorArguments |> Seq.toList with
+                    stderr.WriteLine
-                        | [] -> levelPar, Some (Parallelizable.Yes AssemblyParallelScope.Fixtures)
+                        $"Taking parallelism %i{taken} from command line, ignoring value %i{ignored} from assembly"
-                        | [ v ] ->
+
-                            match v.Value with
+                Some taken
-                            | :? int as v ->
+            | Some x, None
-                                match v with
+            | None, Some x -> Some x
-                                | 512 -> levelPar, Some (Parallelizable.Yes AssemblyParallelScope.Fixtures)
-                                | 256 -> levelPar, Some (Parallelizable.Yes AssemblyParallelScope.Children)
-                                | 257 ->
-                                    failwith "ParallelScope.All is invalid on assemblies; only Fixtures or Children"
-                                | 1 ->
-                                    failwith "ParallelScope.Self is invalid on assemblies; only Fixtures or Children"
-                                | v -> failwith $"Could not recognise value %i{v} of parallel scope on assembly"
-                            | v -> failwith $"Unexpectedly non-int value %O{v} of parallel scope on assembly"
-                        | _ -> failwith "unexpectedly got multiple args to Parallelizable on assembly"
-                | _ -> levelPar, par
-            )
 
         let testFixtures = assy.ExportedTypes |> Seq.map TestFixture.parse |> Seq.toList
 
+        use par = new ParallelQueue (levelOfParallelism, attrs.Parallelizable)
+
         let creationTime = DateTimeOffset.Now
-        let results = testFixtures |> List.collect (TestFixture.run progress filter)
-
-        let finishTime = DateTimeOffset.Now
-        let finishTimeHumanReadable = finishTime.ToString @"yyyy-MM-dd HH:mm:ss"
-        let nowMachine = finishTime.ToString @"yyyy-MM-dd_HH_mm_ss"
-
-        let testListId = Guid.NewGuid ()
-
-        let testDefinitions, testEntries =
-            results
-            |> List.collect (fun results -> results.IndividualTestRunMetadata)
-            |> List.map (fun (data, _) ->
-                let defn =
-                    {
-                        Name = data.TestName
-                        Storage = assy.Location.ToLowerInvariant ()
-                        Id = data.TestId
-                        Execution =
-                            {
-                                Id = data.ExecutionId
-                            }
-                        TestMethod =
-                            {
-                                CodeBase = assy.Location
-                                AdapterTypeName = Uri "executor://woofware/"
-                                ClassName = data.ClassName
-                                Name = data.TestName
-                            }
-                    }
-
-                let entry : TrxTestEntry =
-                    {
-                        TestListId = testListId
-                        ExecutionId = data.ExecutionId
-                        TestId = data.TestId
-
-                    }
-
-                defn, entry
-            )
-            |> List.unzip
-
-        let hostname = Environment.MachineName
-
-        let settings =
-            {
-                Name = "default"
-                Id = Guid.NewGuid ()
-                Deployment =
-                    {
-                        RunDeploymentRoot = $"_%s{hostname}_%s{nowMachine}"
-                    }
-            }
-
-        let testList : TrxTestListEntry =
-            {
-                Id = testListId
-                Name = "All"
-            }
-
-        let counters =
-            (TrxCounters.Zero, results)
-            // TODO: this is woefully inefficient
-            ||> List.fold (fun counters results ->
-                let counters =
-                    (counters, results.Failed)
-                    ||> List.fold (fun counters (_, _) ->
-                        // TODO: the counters can be more specific about the failure mode
-                        counters.AddFailed ()
-                    )
-
-                let counters =
-                    (counters, results.OtherFailures)
-                    ||> List.fold (fun counters _ ->
-                        // TODO: the counters can be more specific about the failure mode
-                        counters.AddFailed ()
-                    )
-
-                (counters, results.Success)
-                ||> List.fold (fun counters (_, success, _) ->
-                    match success with
-                    | TestMemberSuccess.Ok -> counters.AddPassed ()
-                    | TestMemberSuccess.Ignored _
-                    | TestMemberSuccess.Explicit _ -> counters.AddNotExecuted ()
-                    | TestMemberSuccess.Inconclusive _ -> counters.AddInconclusive ()
-                )
-            )
-
-        // TODO: I'm sure we can do better than this; there's a whole range of possible
-        // states!
-        let outcome =
-            if counters.Failed > 0u then
-                TrxOutcome.Failed
-            else
-                TrxOutcome.Completed
-
-        let resultSummary : TrxResultsSummary =
-            {
-                Outcome = outcome
-                Counters = counters
-                Output =
-                    {
-                        StdOut = None
-                        StdErr = None
-                        ErrorInfo = None
-                    }
-                RunInfos =
-                    [
-                    // TODO: capture stdout
-                    ]
-            }
-
-        let times : TrxReportTimes =
-            {
-                Creation = creationTime
-                Queuing = startTime
-                Start = startTime
-                Finish = finishTime
-
-            }
-
-        let magicGuid = Guid.Parse "13cdc9d9-ddb5-4fa4-a97d-d965ccfc6d4b"
 
         let results =
-            results
+            testFixtures
-            |> List.collect (fun results -> results.IndividualTestRunMetadata)
+            |> List.map (TestFixture.run contexts par progress filter)
-            |> List.map (fun (i, cause) ->
+            |> Task.WhenAll
-                let exc =
-                    match cause with
-                    | Choice2Of3 _ -> None
-                    | Choice1Of3 (TestMemberFailure.Malformed reasons) ->
-                        {
-                            StackTrace = None
-                            Message = reasons |> String.concat "\n" |> Some
-                        }
-                        |> Some
-                    | Choice1Of3 (TestMemberFailure.Failed fail)
-                    | Choice1Of3 (TestMemberFailure.Failed fail)
-                    | Choice1Of3 (TestMemberFailure.Failed fail) ->
-                        ((None, None), fail)
-                        ||> List.fold (fun (stackTrace, message) tf ->
-                            match tf with
-                            | TestFailure.TestFailed (UserMethodFailure.Threw (_, exc))
-                            | TestFailure.SetUpFailed (UserMethodFailure.Threw (_, exc))
-                            | TestFailure.TearDownFailed (UserMethodFailure.Threw (_, exc)) ->
-                                let stackTrace =
-                                    match stackTrace with
-                                    | None -> (exc : Exception).ToString ()
-                                    | Some s -> s
 
-                                (Some stackTrace, message)
+        let timeout =
-                            | TestFailure.TestFailed (UserMethodFailure.ReturnedNonUnit (_, ret))
+            match args.Timeout with
-                            | TestFailure.SetUpFailed (UserMethodFailure.ReturnedNonUnit (_, ret))
+            | None -> TimeSpan.FromHours 2.0
-                            | TestFailure.TearDownFailed (UserMethodFailure.ReturnedNonUnit (_, ret)) ->
+            | Some t -> t
-                                let newMessage = $"returned non-unit value %O{ret}"
 
-                                let message =
+        if not (results.Wait timeout) then
-                                    match message with
+            failwith "Tests failed to terminate within two hours"
-                                    | None -> newMessage
-                                    | Some message -> $"%s{message}\n%s{newMessage}"
 
-                                (stackTrace, Some message)
+        let results = results.Result |> Seq.concat |> List.ofSeq
-                        )
-                        |> fun (stackTrace, message) ->
-                            {
-                                StackTrace = stackTrace
-                                Message = message
-                            }
-                            |> Some
-                    | Choice3Of3 (UserMethodFailure.Threw (_, exc)) ->
-                        {
-                            StackTrace = (exc : Exception).ToString () |> Some
-                            Message = None
-                        }
-                        |> Some
-                    | Choice3Of3 (UserMethodFailure.ReturnedNonUnit (_, ret)) ->
-                        {
-                            Message = $"returned non-unit value %O{ret}" |> Some
-                            StackTrace = None
-                        }
-                        |> Some
 
-                let outcome =
+        let report = BuildTrxReport.build assy creationTime startTime results
-                    match cause with
-                    | Choice1Of3 _ -> TrxTestOutcome.Failed
-                    | Choice2Of3 TestMemberSuccess.Ok -> TrxTestOutcome.Passed
-                    | Choice2Of3 (TestMemberSuccess.Inconclusive _) -> TrxTestOutcome.Inconclusive
-                    | Choice2Of3 (TestMemberSuccess.Ignored _)
-                    | Choice2Of3 (TestMemberSuccess.Explicit _) -> TrxTestOutcome.NotExecuted
-                    // TODO: we can totally do better here, more fine-grained classification
-                    | Choice3Of3 _ -> TrxTestOutcome.Failed
 
-                {
+        match args.Trx with
-                    ExecutionId = i.ExecutionId
-                    TestId = i.TestId
-                    TestName = i.TestName
-                    ComputerName = i.ComputerName
-                    Duration = i.End - i.Start
-                    StartTime = i.Start
-                    EndTime = i.End
-                    TestType = magicGuid
-                    Outcome = outcome
-                    TestListId = testListId
-                    RelativeResultsDirectory = i.ExecutionId.ToString () // for some reason
-                    Output =
-                        match i.StdOut, i.StdErr, exc with
-                        | None, None, None -> None
-                        | stdout, stderr, exc ->
-                            Some
-                                {
-                                    TrxOutput.StdOut = stdout
-                                    StdErr = stderr
-                                    ErrorInfo = exc
-                                }
-                }
-            )
-
-        let report : TrxReport =
-            {
-                Id = Guid.NewGuid ()
-                Name = $"@%s{hostname} %s{finishTimeHumanReadable}"
-                Times = times
-                Settings = settings
-                Results = results
-                TestDefinitions = testDefinitions
-                TestEntries = testEntries
-                TestLists = [ testList ]
-                ResultsSummary = resultSummary
-            }
-
-        match trxPath with
         | Some trxPath ->
             let contents = TrxReport.toXml report |> fun d -> d.OuterXml
             trxPath.Directory.Create ()
@@ -348,10 +86,56 @@ module Program =
             Console.Error.WriteLine $"Written TRX file: %s{trxPath.FullName}"
         | None -> ()
 
-        match outcome with
+        match report.ResultsSummary.Outcome with
         | TrxOutcome.Completed -> 0
         | _ -> 1
 
+    let main argv =
+        let args = argv |> List.ofArray |> Args.Parse
+
+        let psi = ProcessStartInfo "dotnet"
+
+        match args.Trx with
+        | None -> ()
+        | Some trx -> psi.EnvironmentVariables.Add ("WOOFWARE_NUNIT_GENERATE_TRX", trx.FullName)
+
+        match args.LevelOfParallelism with
+        | None -> ()
+        | Some par -> psi.EnvironmentVariables.Add ("WOOFWARE_NUNIT_PARALLELISM_LEVEL", string<int> par)
+
+        match args.Filter with
+        | None -> ()
+        | Some (filter, _) -> psi.EnvironmentVariables.Add ("WOOFWARE_NUNIT_FILTER", filter)
+
+        match args.Timeout with
+        | None -> ()
+        | Some timeout ->
+            psi.EnvironmentVariables.Add ("WOOFWARE_NUNIT_TIMEOUT_SECS", string<int> (int<float> timeout.TotalSeconds))
+
+        psi.ArgumentList.Add "exec"
+        psi.ArgumentList.Add args.Dll.FullName
+
+        let us = Assembly.GetExecutingAssembly().Location |> FileInfo
+
+        let startupHook =
+            Path.Combine (us.Directory.FullName, "WoofWare.NUnitTestRunner.StartupHook.dll")
+
+        psi.EnvironmentVariables.Add ("DOTNET_STARTUP_HOOKS", startupHook)
+
+        psi.EnvironmentVariables.Add (
+            "WOOFWARE_NUNIT_LIB",
+            Path.Combine (us.Directory.FullName, "WoofWare.NUnitTestRunner.Lib.dll")
+        )
+
+        use proc = new Process ()
+        proc.StartInfo <- psi
+
+        if not (proc.Start ()) then
+            failwith "Failed to start dotnet"
+
+        proc.WaitForExit ()
+        proc.ExitCode
+
     [<EntryPoint>]
     let reallyMain argv =
         // Hack to make sure `finally`s get run.

WoofWare.NUnitTestRunner/Progress.fs

@@ -4,21 +4,21 @@ open Spectre.Console
 
 [<RequireQualifiedAccess>]
 module Progress =
-    let spectre () : ITestProgress =
+    let spectre (console : IAnsiConsole) : ITestProgress =
         { new ITestProgress with
             member _.OnTestFailed name failure =
-                AnsiConsole.Console.MarkupLine
+                console.MarkupLine
                     $"[red]Test '%s{Markup.Escape name}' failed: %s{Markup.Escape (failure.ToString ())}[/]"
 
             member _.OnTestFixtureStart name testCount =
-                AnsiConsole.Console.MarkupLine $"[white]Running tests: %s{Markup.Escape name}[/]"
+                console.MarkupLine $"[white]Running tests: %s{Markup.Escape name}[/]"
 
             member _.OnTestMemberFinished name =
-                AnsiConsole.Console.MarkupLine $"[gray]Finished test: %s{Markup.Escape name}[/]"
+                console.MarkupLine $"[gray]Finished test: %s{Markup.Escape name}[/]"
 
             member _.OnTestMemberSkipped name =
-                AnsiConsole.Console.MarkupLine $"[yellow]Skipping test due to filter: %s{Markup.Escape name}[/]"
+                console.MarkupLine $"[yellow]Skipping test due to filter: %s{Markup.Escape name}[/]"
 
             member _.OnTestMemberStart name =
-                AnsiConsole.Console.MarkupLine $"[white]Running test: %s{Markup.Escape name}[/]"
+                console.MarkupLine $"[white]Running test: %s{Markup.Escape name}[/]"
         }

WoofWare.NUnitTestRunner/Seq.fs

@@ -1,22 +0,0 @@
-namespace WoofWare.NUnitTestRunner
-
-[<RequireQualifiedAccess>]
-module internal Seq =
-
-    let tryMinBy (f : 'a -> 'b) (s : 'a seq) : 'a option =
-        use enum = s.GetEnumerator ()
-
-        if not (enum.MoveNext ()) then
-            None
-        else
-
-        let mutable answer = enum.Current
-        let mutable fAnswer = f enum.Current
-
-        while enum.MoveNext () do
-            let fNext = f enum.Current
-
-            if fNext < fAnswer then
-                answer <- enum.Current
-
-        Some answer

WoofWare.NUnitTestRunner/WoofWare.NUnitTestRunner.Test/WoofWare.NUnitTestRunner.Test.fsproj

@@ -16,12 +16,12 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="ApiSurface" Version="4.0.41" />
+        <PackageReference Include="ApiSurface" Version="4.1.15" />
         <PackageReference Include="FsCheck" Version="3.0.0-rc3" />
-        <PackageReference Include="FsUnit" Version="6.0.0" />
+        <PackageReference Include="FsUnit" Version="7.0.1" />
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
-        <PackageReference Include="NUnit" Version="4.1.0" />
+        <PackageReference Include="NUnit" Version="4.3.2" />
-        <PackageReference Include="NUnit3TestAdapter" Version="4.5.0"/>
+        <PackageReference Include="NUnit3TestAdapter" Version="4.6.0"/>
     </ItemGroup>
 
     <ItemGroup>

WoofWare.NUnitTestRunner/WoofWare.NUnitTestRunner.fsproj

@@ -2,7 +2,8 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
+    <RollForward>Major</RollForward>
     <PackAsTool>true</PackAsTool>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <Authors>Patrick Stevens</Authors>
@@ -19,7 +20,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <Compile Include="Seq.fs" />
     <Compile Include="Progress.fs" />
     <Compile Include="Program.fs" />
     <None Include="..\README.md">
@@ -30,6 +30,8 @@
 
   <ItemGroup>
     <ProjectReference Include="..\WoofWare.NUnitTestRunner.Lib\WoofWare.NUnitTestRunner.Lib.fsproj" />
+    <ProjectReference Include="..\WoofWare.NUnitTestRunner.StartupHookLogic\WoofWare.NUnitTestRunner.StartupHookLogic.csproj" />
+    <ProjectReference Include="..\WoofWare.NUnitTestRunner.StartupHook\WoofWare.NUnitTestRunner.StartupHook.csproj" />
   </ItemGroup>
 
   <ItemGroup>

WoofWare.NUnitTestRunner/version.json

@@ -5,7 +5,7 @@
   ],
   "pathFilters": [
     "./",
-    "^./WoofWare.NUnitTestRunner.Test",
+    ":^WoofWare.NUnitTestRunner.Test",
     ":/WoofWare.NUnitTestRunner.Lib",
     ":/Directory.Build.props",
     ":/README.md"

analyzers/analyzers.fsproj

@@ -4,13 +4,13 @@
     <IsPackable>false</IsPackable>
     <IsPublishable>false</IsPublishable>
     <RestorePackagesPath>../.analyzerpackages/</RestorePackagesPath>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <DisableImplicitNuGetFallbackFolder>true</DisableImplicitNuGetFallbackFolder>
     <AutomaticallyUseReferenceAssemblyPackages>false</AutomaticallyUseReferenceAssemblyPackages> <!-- We don't want to build this project, so we do not need the reference assemblies for the framework we chose.-->
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageDownload Include="G-Research.FSharp.Analyzers" Version="[0.10.0]" />
+    <PackageDownload Include="G-Research.FSharp.Analyzers" Version="[0.12.0]" />
   </ItemGroup>
 
 </Project>

flake.lock

@@ -5,11 +5,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1710146030,
+        "lastModified": 1731533236,
-        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
         "type": "github"
       },
       "original": {
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1717399147,
+        "lastModified": 1735915915,
-        "narHash": "sha256-eCWaE/q1VItpFAxxLVt171MdtDcjEnwi6QB/yuF73JU=",
+        "narHash": "sha256-Q4HuFAvoKAIiTRZTUxJ0ZXeTC7lLfC9/dggGHNXNlCw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "4a4ecb0ab415c9fccfb005567a215e6a9564cdf5",
+        "rev": "a27871180d30ebee8aa6b11bf7fef8a52f024733",
         "type": "github"
       },
       "original": {

flake.nix

@@ -14,10 +14,10 @@
     flake-utils.lib.eachDefaultSystem (system: let
       pkgs = nixpkgs.legacyPackages.${system};
       pname = "unofficial-nunit-runner";
-      dotnet-sdk = pkgs.dotnet-sdk_8;
+      dotnet-sdk = pkgs.dotnetCorePackages.sdk_8_0;
       dotnet-runtime = pkgs.dotnetCorePackages.runtime_8_0;
       version = "0.1";
-      dotnetTool = dllOverride: toolName: toolVersion: sha256:
+      dotnetTool = dllOverride: toolName: toolVersion: hash:
         pkgs.stdenvNoCC.mkDerivation rec {
           name = toolName;
           version = toolVersion;
@@ -25,8 +25,8 @@
           src = pkgs.fetchNuGet {
             pname = name;
             version = version;
-            sha256 = sha256;
+            hash = hash;
-            installPhase = ''mkdir -p $out/bin && cp -r tools/net6.0/any/* $out/bin'';
+            installPhase = ''mkdir -p $out/bin && cp -r tools/net*/any/* $out/bin'';
           };
           installPhase = let
             dll =
@@ -42,9 +42,11 @@
           '';
         };
     in {
-      packages = {
+      packages = let
-        fantomas = dotnetTool null "fantomas" (builtins.fromJSON (builtins.readFile ./.config/dotnet-tools.json)).tools.fantomas.version (builtins.head (builtins.filter (elem: elem.pname == "fantomas") ((import ./nix/deps.nix) {fetchNuGet = x: x;}))).sha256;
+        deps = builtins.fromJSON (builtins.readFile ./nix/deps.json);
-        fsharp-analyzers = dotnetTool "FSharp.Analyzers.Cli" "fsharp-analyzers" (builtins.fromJSON (builtins.readFile ./.config/dotnet-tools.json)).tools.fsharp-analyzers.version (builtins.head (builtins.filter (elem: elem.pname == "fsharp-analyzers") ((import ./nix/deps.nix) {fetchNuGet = x: x;}))).sha256;
+      in {
+        fantomas = dotnetTool null "fantomas" (builtins.fromJSON (builtins.readFile ./.config/dotnet-tools.json)).tools.fantomas.version (builtins.head (builtins.filter (elem: elem.pname == "fantomas") deps)).hash;
+        fsharp-analyzers = dotnetTool "FSharp.Analyzers.Cli" "fsharp-analyzers" (builtins.fromJSON (builtins.readFile ./.config/dotnet-tools.json)).tools.fsharp-analyzers.version (builtins.head (builtins.filter (elem: elem.pname == "fsharp-analyzers") deps)).hash;
         default = pkgs.buildDotnetModule {
           inherit pname version dotnet-sdk dotnet-runtime;
           name = "unofficial-nunit-runner";
@@ -52,17 +54,20 @@
           projectFile = "./WoofWare.NUnitTestRunner/WoofWare.NUnitTestRunner.fsproj";
           testProjectFile = "./WoofWare.NUnitTestRunner/WoofWare.NUnitTestRunner.Test/WoofWare.NUnitTestRunner.Test.fsproj";
           disabledTests = ["WoofWare.NUnitTestRunner.Test.TestSurface.EnsureVersionIsMonotonic"];
-          nugetDeps = ./nix/deps.nix; # `nix build .#default.passthru.fetch-deps && ./result` and put the result here
+          nugetDeps = ./nix/deps.json; # `nix build .#default.fetch-deps && ./result nix/deps.json`
           doCheck = true;
         };
       };
-      devShell = pkgs.mkShell {
+      devShells = {
-        buildInputs = [dotnet-sdk];
+        default = pkgs.mkShell {
-        packages = [
+          packages = [
-          pkgs.alejandra
+            dotnet-sdk
-          pkgs.nodePackages.markdown-link-check
+            pkgs.alejandra
-          pkgs.shellcheck
+            pkgs.nodePackages.markdown-link-check
-        ];
+            pkgs.shellcheck
+            pkgs.xmlstarlet
+          ];
+        };
       };
     });
 }

nix/deps.json

@@ -0,0 +1,342 @@
+[
+  {
+    "pname": "ApiSurface",
+    "version": "4.1.15",
+    "hash": "sha256-E0J62c/viqvVBvBA5lBPG90BgPCrA6+cS/h4MZjKz+k="
+  },
+  {
+    "pname": "fantomas",
+    "version": "6.3.16",
+    "hash": "sha256-4tRdYf+/Q1iedx+DDuIKVGlIWQdr6erM51VdKzZkhCs="
+  },
+  {
+    "pname": "Fantomas.Core",
+    "version": "6.1.1",
+    "hash": "sha256-FcTLHQFvKkQY/kV08jhhy/St/+FmXpp3epp/R3zUXMA="
+  },
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+  }
+]

nix/deps.nix

@@ -1,269 +0,0 @@
-# This file was automatically generated by passthru.fetch-deps.
-# Please dont edit it manually, your changes might get overwritten!
-{fetchNuGet}: [
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-  (fetchNuGet {
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-  (fetchNuGet {
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-  (fetchNuGet {
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