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WoofWare.NUnitTestRunner/WoofWare.NUnitTestRunner.Lib/AppContext.fs
2024-06-23 15:26:35 +01:00

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namespace WoofWare.NUnitTestRunner
open System
open System.IO
open System.Reflection
// Fix for https://github.com/Smaug123/unofficial-nunit-runner/issues/8
// (This tells the DLL loader to look next to the test DLL for dependencies.)
// TODO: do we actually need this when we move to the Hooks world?
/// Context manager to set the AppContext.BaseDirectory of the executing DLL.
type SetBaseDir (testDll : FileInfo) =
let oldBaseDir = AppContext.BaseDirectory
let setData =
let appContext = Type.GetType "System.AppContext"
if Object.ReferenceEquals (appContext, (null : obj)) then
ignore<string * string>
else
let setDataMethod =
appContext.GetMethod ("SetData", BindingFlags.Static ||| BindingFlags.Public)
if Object.ReferenceEquals (setDataMethod, (null : obj)) then
ignore<string * string>
else
fun (k, v) -> setDataMethod.Invoke ((null : obj), [| k ; v |]) |> unbox<unit>
do setData ("APP_CONTEXT_BASE_DIRECTORY", testDll.Directory.FullName)
interface IDisposable with
member _.Dispose () =
setData ("APP_CONTEXT_BASE_DIRECTORY", oldBaseDir)