Bump FSharp.Core, WoofWare.Myriad.Plugins and WoofWare.Myriad.Plugins.Attributes (#173)

* Bump FSharp.Core, WoofWare.Myriad.Plugins and WoofWare.Myriad.Plugins.Attributes

Bumps [FSharp.Core](https://github.com/dotnet/fsharp), [WoofWare.Myriad.Plugins](https://github.com/Smaug123/WoofWare.Myriad) and [WoofWare.Myriad.Plugins.Attributes](https://github.com/Smaug123/WoofWare.Myriad). These dependencies needed to be updated together.

Updates `FSharp.Core` from 6.0.1 to 6.0.1
- [Release notes](https://github.com/dotnet/fsharp/releases)
- [Changelog](https://github.com/dotnet/fsharp/blob/main/release-notes.md)
- [Commits](https://github.com/dotnet/fsharp/commits)

Updates `WoofWare.Myriad.Plugins` from 4.0.6 to 4.0.7
- [Release notes](https://github.com/Smaug123/WoofWare.Myriad/releases)
- [Changelog](https://github.com/Smaug123/WoofWare.Myriad/blob/main/CHANGELOG.md)
- [Commits](https://github.com/Smaug123/WoofWare.Myriad/compare/WoofWare.Myriad.Plugins.4.0.6...WoofWare.Myriad.Plugins.4.0.7)

Updates `WoofWare.Myriad.Plugins.Attributes` from 3.6.4 to 3.6.4
- [Release notes](https://github.com/Smaug123/WoofWare.Myriad/releases)
- [Changelog](https://github.com/Smaug123/WoofWare.Myriad/blob/main/CHANGELOG.md)
- [Commits](https://github.com/Smaug123/WoofWare.Myriad/compare/WoofWare.Myriad.Plugins.Attributes.3.6.4...WoofWare.Myriad.Plugins.Attributes.3.6.4)

---
updated-dependencies:
- dependency-name: FSharp.Core
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: WoofWare.Myriad.Plugins
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: WoofWare.Myriad.Plugins.Attributes
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

* Bump fantomas from 6.3.15 to 6.3.16

Bumps [fantomas](https://github.com/fsprojects/fantomas) from 6.3.15 to 6.3.16.
- [Release notes](https://github.com/fsprojects/fantomas/releases)
- [Changelog](https://github.com/fsprojects/fantomas/blob/main/CHANGELOG.md)
- [Commits](https://github.com/fsprojects/fantomas/compare/v6.3.15...v6.3.16)

---
updated-dependencies:
- dependency-name: fantomas
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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": "0.27.0",
       "commands": [
         "fsharp-analyzers"
       ]

.editorconfig

@@ -1,40 +1,40 @@
-root=true
+root = true
 
 [*]
-charset=utf-8
-trim_trailing_whitespace=true
-insert_final_newline=true
-indent_style=space
-indent_size=4
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+indent_style = space
+indent_size = 4
 
 # ReSharper properties
-resharper_xml_indent_size=2
-resharper_xml_max_line_length=100
-resharper_xml_tab_width=2
+resharper_xml_indent_size = 2
+resharper_xml_max_line_length = 100
+resharper_xml_tab_width = 2
 
 [*.{csproj,fsproj,sqlproj,targets,props,ts,tsx,css,json}]
-indent_style=space
-indent_size=2
+indent_style = space
+indent_size = 2
 
 [*.{fs,fsi}]
-fsharp_bar_before_discriminated_union_declaration=true
-fsharp_space_before_uppercase_invocation=true
-fsharp_space_before_class_constructor=true
-fsharp_space_before_member=true
-fsharp_space_before_colon=true
-fsharp_space_before_semicolon=true
-fsharp_multiline_bracket_style=aligned
-fsharp_newline_between_type_definition_and_members=true
-fsharp_align_function_signature_to_indentation=true
-fsharp_alternative_long_member_definitions=true
-fsharp_multi_line_lambda_closing_newline=true
-fsharp_experimental_keep_indent_in_branch=true
-fsharp_max_value_binding_width=80
-fsharp_max_record_width=0
-max_line_length=120
-end_of_line=lf
+fsharp_bar_before_discriminated_union_declaration = true
+fsharp_space_before_uppercase_invocation = true
+fsharp_space_before_class_constructor = true
+fsharp_space_before_member = true
+fsharp_space_before_colon = true
+fsharp_space_before_semicolon = true
+fsharp_multiline_bracket_style = aligned
+fsharp_newline_between_type_definition_and_members = true
+fsharp_align_function_signature_to_indentation = true
+fsharp_alternative_long_member_definitions = true
+fsharp_multi_line_lambda_closing_newline = true
+fsharp_experimental_keep_indent_in_branch = true
+fsharp_max_value_binding_width = 80
+fsharp_max_record_width = 0
+max_line_length = 120
+end_of_line = lf
 
 [*.{appxmanifest,build,dtd,nuspec,xaml,xamlx,xoml,xsd}]
-indent_style=space
-indent_size=2
-tab_width=2
+indent_style = space
+indent_size = 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 +94,49 @@ 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()
+      id: trx-parser
+      with:
+        TRX_PATH: ${{ github.workspace }}/TrxOut
+        REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  selftest-net6:
+    runs-on: ubuntu-latest
+    permissions:
+      actions: none
+      checks: write
+      contents: read
+      deployments: none
+      id-token: none
+      issues: none
+      discussions: none
+      packages: none
+      pages: none
+      pull-requests: read
+      repository-projects: none
+      security-events: none
+      statuses: read
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0 # so that NerdBank.GitVersioning has access to history
+    - name: Install Nix
+      uses: cachix/install-nix-action@v30
+      with:
+        extra_nix_config: |
+          access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
+    - name: Restore dependencies
+      run: nix develop --command dotnet restore
+    - name: Build runner
+      run: 'nix develop --command dotnet build WoofWare.NUnitTestRunner --configuration Release'
+    - name: Build target
+      run: 'nix develop --command dotnet build Consumer --configuration Release'
+    - name: Test using self
+      run: 'nix develop .#net6 --command ./WoofWare.NUnitTestRunner/bin/Release/net6.0/WoofWare.NUnitTestRunner ./Consumer/bin/Release/net6.0/Consumer.dll --trx TrxOut/out.trx'
     - name: Parse Trx files
       uses: NasAmin/trx-parser@v0.6.0
       if: always()
@@ -90,7 +155,7 @@ 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=${{ secrets.GITHUB_TOKEN }}
@@ -107,12 +172,14 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Install Nix
-        uses: cachix/install-nix-action@V27
+        uses: cachix/install-nix-action@v30
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
       - name: Build
         run: nix build
+      - name: Reproducibility check
+        run: nix build --rebuild
 
   check-dotnet-format:
     runs-on: ubuntu-latest
@@ -120,7 +187,7 @@ 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=${{ secrets.GITHUB_TOKEN }}
@@ -133,7 +200,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Install Nix
-        uses: cachix/install-nix-action@V27
+        uses: cachix/install-nix-action@v30
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -146,7 +213,7 @@ 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=${{ secrets.GITHUB_TOKEN }}
@@ -159,7 +226,7 @@ jobs:
     steps:
       - uses: actions/checkout@master
       - name: Install Nix
-        uses: cachix/install-nix-action@V27
+        uses: cachix/install-nix-action@v30
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -173,7 +240,7 @@ 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 }}
@@ -235,37 +302,115 @@ jobs:
         run: sh .github/workflows/tag.sh
 
   all-required-checks-complete:
+    if: ${{ always() }}
     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."
+      - uses: G-Research/common-actions/check-required-lite@2b7dc49cb14f3344fbe6019c14a31165e258c059
+        with:
+          needs-context: ${{ toJSON(needs) }}
 
-  nuget-publish:
+  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
+          path: packed
+      - name: Attest Build Provenance
+        uses: actions/attest-build-provenance@1c608d11d69870c2092266b3f9a6f3abbf17002c # v1.4.3
+        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
+          path: packed
+      - name: Attest Build Provenance
+        uses: actions/attest-build-provenance@1c608d11d69870c2092266b3f9a6f3abbf17002c # v1.4.3
+        with:
+          subject-path: "packed/*.nupkg"
+
+  nuget-publish-lib:
     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
-      - name: Publish to NuGet (lib)
-        run: nix develop --command dotnet nuget push "packed-lib/WoofWare.NUnitTestRunner.Lib.*.nupkg" --api-key ${{ secrets.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json --skip-duplicate
-      - name: Download NuGet artifact (tool)
+          path: packed
+      - name: Identify .NET
+        id: identify-dotnet
+        run: nix develop --command bash -c "echo dotnet=$(which dotnet) >> $GITHUB_OUTPUT"
+      - name: Publish NuGet package
+        uses: G-Research/common-actions/publish-nuget@2b7dc49cb14f3344fbe6019c14a31165e258c059
+        with:
+          package-name: WoofWare.NUnitTestRunner.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
-      - name: Publish to NuGet (tool)
-        run: nix develop --command dotnet nuget push "packed-tool/WoofWare.NUnitTestRunner.*.nupkg" --api-key ${{ secrets.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json --skip-duplicate
+          path: packed
+      - name: Identify .NET
+        id: identify-dotnet
+        run: nix develop --command bash -c "echo dotnet=$(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:
     runs-on: ubuntu-latest

.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 passthru
+        run: 'nix build ".#default.passthru.fetch-deps"'
+
+      - name: Run passthru
+        run: ./result nix/deps.nix
+
+      - 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

Consumer/Consumer.fsproj

@@ -1,8 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net8.0</TargetFramework>
-
+        <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
         <IsPackable>false</IsPackable>
         <IsTestProject>true</IsTestProject>
     </PropertyGroup>
@@ -10,8 +9,10 @@
     <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" />
@@ -25,10 +26,10 @@
     </ItemGroup>
 
     <ItemGroup>
-      <PackageReference Include="FsUnit" Version="6.0.0" />
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0"/>
-        <PackageReference Include="NUnit" Version="4.1.0"/>
-        <PackageReference Include="NUnit3TestAdapter" Version="4.5.0"/>
+      <PackageReference Include="FsUnit" Version="6.0.1" />
+      <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1"/>
+      <PackageReference Include="NUnit" Version="4.2.2"/>
+      <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/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}"
+
+        ()

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="3.6.146" 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="6.0.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1"/>
+    <PackageReference Include="NUnit" Version="4.2.2"/>
+    <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

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

@@ -89,8 +89,13 @@ type TestContexts =
             AsyncLocal = local
         }
 
-    member internal this.Stdout : TextWriter = this.StdOutWriter
-    member internal this.Stderr : TextWriter = this.StdErrWriter
+    /// 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

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 =
@@ -144,6 +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 () =
@@ -152,12 +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
-        (config : RuntimeOptions)
-        (f : DotnetEnvironmentInfo)
-        : Choice<DotnetEnvironmentFrameworkInfo, DotnetEnvironmentSdkInfo> option
-        =
+    let private selectRuntime (config : RuntimeOptions) (f : DotnetEnvironmentInfo) : DirectoryInfo list =
         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.tryHead
+                |> Seq.toList
 
-            match available with
-            | Some (_, f) -> Some (Choice1Of2 f)
-            | None ->
-                // TODO: maybe we can ask the SDK. But we keep on trucking: maybe we're self-contained,
-                // and we'll actually find all the runtime next to the DLL.
-                None
+            // TODO: maybe we can ask the SDK if we don't have any runtimes.
+            // But we keep on trucking: maybe we're self-contained, and we'll actually find all the runtime next to the
+            // DLL.
+            available
+            |> List.map (fun (_name, runtime) -> DirectoryInfo $"%s{runtime.Path}/%s{runtime.Version}")
         | _ -> 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
-        | 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 ]
+        dll.Directory :: runtime

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

@@ -314,7 +314,7 @@ type ParallelQueue
                 let t () =
                     { new ThunkEvaluator<_> with
                         member _.Eval<'b> (t : unit -> 'b) rc =
-                            let tcs = TaskCompletionSource ()
+                            let tcs = TaskCompletionSource TaskCreationOptions.RunContinuationsAsynchronously
                             use ec = ExecutionContext.Capture ()
 
                             fun () ->

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
@@ -145,6 +178,21 @@ WoofWare.NUnitTestRunner.ITestProgress.OnTestMemberSkipped [method]: string -> u
 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
@@ -155,6 +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
@@ -173,6 +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
@@ -181,6 +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
@@ -188,6 +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
@@ -204,10 +258,43 @@ WoofWare.NUnitTestRunner.ParallelQueue.Run [method]: WoofWare.NUnitTestRunner.Te
 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
@@ -226,6 +313,10 @@ 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 WoofWare.NUnitTestRunner.TestContexts System.IEquatable, System.Collections.IStructuralEquatable, 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
@@ -240,6 +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
@@ -257,6 +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
@@ -281,8 +374,11 @@ WoofWare.NUnitTestRunner.TestFixtureModule.parse [static method]: System.Type ->
 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
@@ -294,6 +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
@@ -316,6 +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
@@ -339,6 +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
@@ -356,6 +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
@@ -365,6 +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
@@ -398,16 +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
@@ -416,6 +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
@@ -432,6 +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
@@ -440,6 +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
@@ -464,6 +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
@@ -474,6 +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
@@ -484,6 +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
@@ -493,6 +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
@@ -501,6 +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
@@ -510,6 +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
@@ -521,6 +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
@@ -543,6 +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
@@ -550,6 +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
@@ -565,6 +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
@@ -586,13 +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
@@ -600,13 +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

@@ -90,8 +90,15 @@ module TestFixture =
                 let result =
                     try
                         head.Invoke (containingObject, args) |> Ok
-                    with :? TargetInvocationException as e ->
-                        Error (UserMethodFailure.Threw (head.Name, e.InnerException))
+                    with
+                    | :? 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)
@@ -620,14 +627,16 @@ module TestFixture =
                         | [ v ] ->
                             match v.Value with
                             | :? int as v ->
-                                match v with
-                                | 512 -> categories, args, Some (Parallelizable.Yes ClassParallelScope.Fixtures)
-                                | 256 -> categories, args, Some (Parallelizable.Yes ClassParallelScope.Children)
-                                | 257 -> categories, args, Some (Parallelizable.Yes ClassParallelScope.All)
-                                | 1 -> categories, args, Some (Parallelizable.Yes ClassParallelScope.Self)
-                                | v ->
-                                    failwith
-                                        $"Could not recognise value %i{v} of parallel scope in %s{parentType.FullName}"
+                                match ParallelScope.ofInt v with
+                                | ParallelScope.Fixtures ->
+                                    categories, args, Some (Parallelizable.Yes ClassParallelScope.Fixtures)
+                                | ParallelScope.Children ->
+                                    categories, args, Some (Parallelizable.Yes ClassParallelScope.Children)
+                                | ParallelScope.All ->
+                                    categories, args, Some (Parallelizable.Yes ClassParallelScope.All)
+                                | 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}"

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.
-    let toStderr () : ITestProgress =
+    /// An ITestProgress which logs to the given writer.
+    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>4.0.7</WoofWareMyriadPluginVersion>
     </PropertyGroup>
 
     <ItemGroup>
@@ -23,12 +23,14 @@
       <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" />
@@ -36,6 +38,8 @@
       <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>
@@ -44,14 +48,14 @@
       <EmbeddedResource Include="version.json" />
     </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="WoofWare.PrattParser" Version="0.1.2" />
-    <PackageReference Update="FSharp.Core" Version="6.0.0" />
-    <PackageReference Include="WoofWare.DotnetRuntimeLocator" Version="0.1.4" />
-    <PackageReference Include="WoofWare.Myriad.Plugins.Attributes" Version="3.1.6" />
-    <PackageReference Include="Myriad.SDK" Version="0.8.3" />
+    <PackageReference Include="WoofWare.PrattParser" Version="0.2.2" />
+    <PackageReference Update="FSharp.Core" Version="6.0.1" />
+    <PackageReference Include="WoofWare.DotnetRuntimeLocator" Version="0.1.9" />
+    <PackageReference Include="WoofWare.Myriad.Plugins.Attributes" Version="3.6.4" />
+    <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": "0.13",
+  "version": "0.19",
   "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

@@ -1,42 +1,22 @@
 namespace WoofWare.NUnitTestRunner
 
 open System
+open System.Diagnostics
 open System.IO
+open System.Reflection
 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)
-
-
 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 =
-            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 args = argv |> List.ofArray |> Args.Parse
 
         let filter =
-            match filter with
-            | Some filter -> Filter.shouldRun filter
+            match args.Filter with
+            | Some (_, filter) -> Filter.shouldRun filter
             | None -> fun _ _ -> true
 
         let stderr =
@@ -46,55 +26,38 @@ module Program =
 
         let progress = Progress.spectre stderr
 
-        use _ = new SetBaseDir (testDll)
+        let runtime = DotnetRuntime.locate args.Dll
+
+        match args.Logging with
+        | LogLevel.Nothing -> ()
+        | LogLevel.Verbose ->
+            for d in runtime do
+                stderr.WriteLine $".NET runtime directory: %s{d.FullName}"
 
         use contexts = TestContexts.Empty ()
 
-        let ctx = LoadContext (testDll, DotnetRuntime.locate testDll, contexts)
-        let assy = ctx.LoadFromAssemblyPath testDll.FullName
+        let ctx = LoadContext (args.Dll, runtime, contexts)
+        let assy = ctx.LoadFromAssemblyPath args.Dll.FullName
 
-        let levelOfParallelism, par =
-            ((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>
+        let attrs = AssemblyLevelAttributes.get assy
 
-                    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 v with
-                                | 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 levelOfParallelism =
+            match args.LevelOfParallelism, attrs.Parallelism with
+            | None, None -> None
+            | Some taken, Some ignored ->
+                match args.Logging with
+                | LogLevel.Nothing -> ()
+                | LogLevel.Verbose ->
+                    stderr.WriteLine
+                        $"Taking parallelism %i{taken} from command line, ignoring value %i{ignored} from assembly"
+
+                Some taken
+            | Some x, None
+            | None, Some x -> Some x
 
         let testFixtures = assy.ExportedTypes |> Seq.map TestFixture.parse |> Seq.toList
 
-        use par = new ParallelQueue (levelOfParallelism, par)
+        use par = new ParallelQueue (levelOfParallelism, attrs.Parallelizable)
 
         let creationTime = DateTimeOffset.Now
 
@@ -103,240 +66,19 @@ module Program =
             |> List.map (TestFixture.run contexts par progress filter)
             |> Task.WhenAll
 
-        if not (results.Wait (TimeSpan.FromHours 2.0)) then
+        let timeout =
+            match args.Timeout with
+            | None -> TimeSpan.FromHours 2.0
+            | Some t -> t
+
+        if not (results.Wait timeout) then
             failwith "Tests failed to terminate within two hours"
 
         let results = results.Result |> Seq.concat |> List.ofSeq
 
-        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 report = BuildTrxReport.build assy creationTime startTime results
 
-        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.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.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
-                                }
-                }
-            )
-
-        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
+        match args.Trx with
         | Some trxPath ->
             let contents = TrxReport.toXml report |> fun d -> d.OuterXml
             trxPath.Directory.Create ()
@@ -344,10 +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/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="4.1.8" />
         <PackageReference Include="FsCheck" Version="3.0.0-rc3" />
-        <PackageReference Include="FsUnit" Version="6.0.0" />
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
-        <PackageReference Include="NUnit" Version="4.1.0" />
-        <PackageReference Include="NUnit3TestAdapter" Version="4.5.0"/>
+        <PackageReference Include="FsUnit" Version="6.0.1" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+        <PackageReference Include="NUnit" Version="4.2.2" />
+        <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

@@ -10,7 +10,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageDownload Include="G-Research.FSharp.Analyzers" Version="[0.10.0]" />
+    <PackageDownload Include="G-Research.FSharp.Analyzers" Version="[0.11.0]" />
   </ItemGroup>
 
 </Project>

flake.lock

@@ -5,11 +5,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1710146030,
-        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "lastModified": 1726560853,
+        "narHash": "sha256-X6rJYSESBVr3hBoH0WbKE5KvhPU5bloyZ2L4K60/fPQ=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "rev": "c1dfcf08411b08f6b8615f7d8971a2bfa81d5e8a",
         "type": "github"
       },
       "original": {
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1717399147,
-        "narHash": "sha256-eCWaE/q1VItpFAxxLVt171MdtDcjEnwi6QB/yuF73JU=",
+        "lastModified": 1730272153,
+        "narHash": "sha256-B5WRZYsRlJgwVHIV6DvidFN7VX7Fg9uuwkRW9Ha8z+w=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "4a4ecb0ab415c9fccfb005567a215e6a9564cdf5",
+        "rev": "2d2a9ddbe3f2c00747398f3dc9b05f7f2ebb0f53",
         "type": "github"
       },
       "original": {

flake.nix

@@ -17,7 +17,7 @@
       dotnet-sdk = pkgs.dotnet-sdk_8;
       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;
@@ -25,7 +25,7 @@
           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 = let
@@ -43,8 +43,8 @@
         };
     in {
       packages = {
-        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;
-        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;
+        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;}))).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") ((import ./nix/deps.nix) {fetchNuGet = x: x;}))).hash;
         default = pkgs.buildDotnetModule {
           inherit pname version dotnet-sdk dotnet-runtime;
           name = "unofficial-nunit-runner";
@@ -52,17 +52,25 @@
           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.nix; # `nix build .#default.passthru.fetch-deps && ./result nix/deps.nix`
           doCheck = true;
         };
       };
-      devShell = pkgs.mkShell {
-        buildInputs = [dotnet-sdk];
-        packages = [
-          pkgs.alejandra
-          pkgs.nodePackages.markdown-link-check
-          pkgs.shellcheck
-        ];
+      devShells = {
+        default = pkgs.mkShell {
+          packages = [
+            dotnet-sdk
+            pkgs.alejandra
+            pkgs.nodePackages.markdown-link-check
+            pkgs.shellcheck
+            pkgs.xmlstarlet
+          ];
+        };
+        net6 = pkgs.mkShell {
+          packages = [
+            pkgs.dotnetCorePackages.runtime_6_0
+          ];
+        };
       };
     });
 }

nix/deps.nix

@@ -3,267 +3,342 @@
 {fetchNuGet}: [
   (fetchNuGet {
     pname = "ApiSurface";
-    version = "4.0.41";
-    sha256 = "03kfa5ngmgkik9lc58sp8s9rrh9g40hhgjnrv662ks0d0y2i9i89";
+    version = "4.1.8";
+    hash = "sha256-iU5v4SW2lNTMYN4uVj++nxbojgDsTCSQsowqGl75wXc=";
   })
   (fetchNuGet {
     pname = "fantomas";
-    version = "6.3.9";
-    sha256 = "1b34iiiff02bbzjv03zyna8xmrgs6y87zdvp5i5k58fcqpjw44sx";
+    version = "6.3.16";
+    hash = "sha256-4tRdYf+/Q1iedx+DDuIKVGlIWQdr6erM51VdKzZkhCs=";
+  })
+  (fetchNuGet {
+    pname = "Fantomas.Core";
+    version = "6.1.1";
+    hash = "sha256-FcTLHQFvKkQY/kV08jhhy/St/+FmXpp3epp/R3zUXMA=";
+  })
+  (fetchNuGet {
+    pname = "Fantomas.FCS";
+    version = "6.1.1";
+    hash = "sha256-NuZ8msPEHYA8T3EYREB28F1RcNgUU8V54eg2+UttYxw=";
   })
   (fetchNuGet {
     pname = "FsCheck";
     version = "3.0.0-rc3";
-    sha256 = "1rn4x9qh479927viwww3dy0mikcdcq3pfqv1hzbbawnwxfzm17z1";
+    hash = "sha256-4Z9Qv+vccrXWh2Fjdwdmjc1YgW+Dcx73ESkdAnHqxOY=";
   })
   (fetchNuGet {
     pname = "fsharp-analyzers";
-    version = "0.26.0";
-    sha256 = "0xgv5kvbwfdvcp6s8x7xagbbi4s3mqa4ixni6pazqvyflbgnah7b";
+    version = "0.27.0";
+    hash = "sha256-QhLi2veTY1wZlQKJLTyVPgx/ImkaZugQNjSN5VJCNEA=";
   })
   (fetchNuGet {
     pname = "FSharp.Core";
-    version = "6.0.0";
-    sha256 = "1hjhvr39c1vpgrdmf8xln5q86424fqkvy9nirkr29vl2461d2039";
+    version = "6.0.1";
+    hash = "sha256-Ehsgt3nCJijpaVuJguC1TPVEKSkJd6PSc07D2ZQSemI=";
   })
   (fetchNuGet {
     pname = "FSharp.Core";
-    version = "8.0.300";
-    sha256 = "158xxr9hnhz2ibyzzp2d249angvxfc58ifflm4g3hz8qx9zxaq04";
+    version = "8.0.401";
+    hash = "sha256-+tp7/Ssr5lb55ZBTOjTuuH0rLCGfhe5Yjq4jvU5KML0=";
   })
   (fetchNuGet {
     pname = "FsUnit";
-    version = "6.0.0";
-    sha256 = "18q3p0z155znwj1l0qq3vq9nh9wl2i4mlfx4pmrnia4czr0xdkmb";
+    version = "6.0.1";
+    hash = "sha256-vka/aAgWhDCl5tu+kgO7GtSaHOOvlSaWxG+tExwGXpI=";
   })
   (fetchNuGet {
     pname = "Microsoft.AspNetCore.App.Ref";
-    version = "6.0.30";
-    sha256 = "17k3l8xd5bsyk69bm5q4nxbpb4i0izw1kzmzi7j3p8pmm9prgrpy";
+    version = "6.0.35";
+    hash = "sha256-BxvIeZIaBdC0wyDQqKW0E5axSRSrtQk3oEPsT287014=";
   })
   (fetchNuGet {
     pname = "Microsoft.AspNetCore.App.Runtime.linux-arm64";
-    version = "6.0.30";
-    sha256 = "1n4v5przbrjhzj01b6qijpdc2jbsxr66ijvd0483qxh4s0b4jppr";
+    version = "6.0.35";
+    hash = "sha256-jM/HzLumZvI939DrNb8LHnEr/in1Lws0j/FAfdXSzbk=";
   })
   (fetchNuGet {
     pname = "Microsoft.AspNetCore.App.Runtime.linux-x64";
-    version = "6.0.30";
-    sha256 = "18v0l07q74m5xxaf6y6dkmr6and8ivya0nslffnr4djrxcbiygdr";
+    version = "6.0.35";
+    hash = "sha256-2eUqoTcqTU3ebv53IV6yvN9EhkOqnyBRd2tz74HuSsE=";
   })
   (fetchNuGet {
     pname = "Microsoft.AspNetCore.App.Runtime.osx-arm64";
-    version = "6.0.30";
-    sha256 = "0p53lyqmr5n2ym202pbgmsd9b9aa6jar7ic04dcq86h2g77r5jqk";
+    version = "6.0.35";
+    hash = "sha256-6mY2uBhvKCpEFJLYX9+f1mpYrWdN69i+14DPjO4U8eo=";
   })
   (fetchNuGet {
     pname = "Microsoft.AspNetCore.App.Runtime.osx-x64";
-    version = "6.0.30";
-    sha256 = "009srl8vazkjnd93xr6k1m353spbki9gn1yzp4zgazgbrini6rqc";
+    version = "6.0.35";
+    hash = "sha256-ljEkMgkgfEeqzRnmTubjSK2dzkph0cSQ7+2J986F7HI=";
   })
   (fetchNuGet {
     pname = "Microsoft.CodeCoverage";
-    version = "17.10.0";
-    sha256 = "0s0v7jmrq85n356xv7zixvwa4z94fszjcr5vll8x4im1a2lp00f9";
+    version = "17.11.1";
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