build: migrate tests to Microsoft.Testing.Platform v2#28
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Swap the VSTest stack for Microsoft.Testing.Platform (MTP) v2: - xunit.v3 -> xunit.v3.mtp-v2; drop Microsoft.NET.Test.Sdk and xunit.runner.visualstudio (the MTP in-proc runner replaces them). - coverlet.collector -> Microsoft.Testing.Extensions.CodeCoverage (native MTP coverage). - Opt into the MTP runner via global.json (test.runner) and set OutputType=Exe for test projects. - Add OutputDirectoryAssemblyResolver: the MTP self-host resolves runtime assemblies strictly from .deps.json, and Scribe (a Scribe.Sdk Library) is referenced as a ProjectReference, so it is not a runtime dep. This xUnit pipeline-startup hook probes the output directory so generators can load Scribe at test time. - Strip the netstandard2.0/framework ambiguous system refs in Scribe.Tests (needed once ValueTask is referenced via xUnit ITestPipelineStartup). - CI: run tests via `dotnet test --solution`, emit native xUnit CTRF and Cobertura coverage, and render both to the job summary via ctrf-io/github-test-reporter and danielpalme/ReportGenerator-GitHub-Action. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Surface Directory.Build.props/.targets, Directory.Packages.props, and global.json under Solution Items. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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What
Migrates the test suite from VSTest to Microsoft.Testing.Platform (MTP) v2.
xunit.v3→xunit.v3.mtp-v2; removedMicrosoft.NET.Test.Sdk+xunit.runner.visualstudio(the MTP in-proc runner replaces them).coverlet.collector→Microsoft.Testing.Extensions.CodeCoverage(native MTP coverage).global.json(test.runner); test projects are nowOutputType=Exe.OutputDirectoryAssemblyResolver— the MTP self-host resolves runtime assemblies strictly from.deps.json.Scribeis referenced as aScribe.SdkLibraryProjectReference, which is not a runtime dependency, so tests that instantiate generators touchingScribefailed under MTP (VSTest'stesthosthad masked this via directory probing). ThisITestPipelineStartuphook probes the output directory to resolve them.Scribe.Tests(required onceValueTaskis referenced via xUnit'sITestPipelineStartup).CI
dotnet test --solutionnow emits native xUnit CTRF results (no extra package) and Cobertura coverage, rendered to the GitHub job summary via ctrf-io/github-test-reporter and ReportGenerator. Replaces the old TRX logger + artifact upload.Verification
Scribe.Tests: 497/497 pass under MTP; CTRF + Cobertura emission confirmed locally.🤖 Generated with Claude Code