Pass the temp path to DesktopStrongNameProvider ctor #72587
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This addresses feedback ticket: https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1950505 The underlying issue here is that the DesktopStrongNameProvider assumes it's caller will pass it a temp directory as EmitStream.CreateStream fails if the path isn't set. Jared indicated the compiler has a ban on calling Path.GetTempPath within their codebase, so it's on the caller to specify a value.
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Addresses dotnet#74058 LiveUnitTest team reported a fairly recent regression where Roslyn started reporting Project changed workspace events during file addition / removal. This causes the LUT window to unnecessarilly rerun tests. This regressed as part of a change I made back in March around passing in a temp path to the compiler's strong name provider, as otherwise an EmitStream call fails, breaking intellisense in projects using assembly signing. (Change here: dotnet#72587) The regression is due to me changing several callers to creating a strong name provider based on the path, instead of them all using the default instance. With the previous behavior, equality checks on these newly created StrongNameFileSystem and DesktopStrongNameProvider instances would return false, even though the temp path in the file systems were the same. It's a bit of a windy path to how this relates to the LUT window. The Roslyn ProjectSystemProject.ChangeProjectProperty call is the crux of where the issue was being exposed. UpdateProjectOptions_NoLock was calling it with a new DesktopStrongNameProvider created with the temp path as outlined above. ChangeProjectProperty checks the old value of the strong name provider against the newValue, and if they are the same, it doesn't add anything to the batched events it will later send out. However, in this case, the equality check failed, so we started sending out a project changed notification, breaking the LUT behavior. The fix here is to simply implement Equals in StrongNameFileSystem, and have DesktopStrongNameProvider use that instead of just checking for reference equality.
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* Better detect equivalence in our strong name provider Addresses #74058 LiveUnitTest team reported a fairly recent regression where Roslyn started reporting Project changed workspace events during file addition / removal. This causes the LUT window to unnecessarilly rerun tests. This regressed as part of a change I made back in March around passing in a temp path to the compiler's strong name provider, as otherwise an EmitStream call fails, breaking intellisense in projects using assembly signing. (Change here: #72587) The regression is due to me changing several callers to creating a strong name provider based on the path, instead of them all using the default instance. With the previous behavior, equality checks on these newly created StrongNameFileSystem and DesktopStrongNameProvider instances would return false, even though the temp path in the file systems were the same. It's a bit of a windy path to how this relates to the LUT window. The Roslyn ProjectSystemProject.ChangeProjectProperty call is the crux of where the issue was being exposed. UpdateProjectOptions_NoLock was calling it with a new DesktopStrongNameProvider created with the temp path as outlined above. ChangeProjectProperty checks the old value of the strong name provider against the newValue, and if they are the same, it doesn't add anything to the batched events it will later send out. However, in this case, the equality check failed, so we started sending out a project changed notification, breaking the LUT behavior. The fix here is to simply implement Equals in StrongNameFileSystem, and have DesktopStrongNameProvider use that instead of just checking for reference equality.
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This addresses feedback ticket: https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1950505
The underlying issue here is that the DesktopStrongNameProvider assumes it's caller will pass it a temp directory, as EmitStream.CreateStream fails if the path isn't set. Jared indicated the compiler has a ban on calling Path.GetTempPath within their codebase, so it's on the caller(s) to specify a value.