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fix(ci): resolve build failure and mutation testing report generation#98

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claude/fix-ci-mutation-testing-IztRz
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fix(ci): resolve build failure and mutation testing report generation#98
fszymaniak wants to merge 12 commits into
mainfrom
claude/fix-ci-mutation-testing-IztRz

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CI build was failing on .NET 10 because Swashbuckle/Microsoft.OpenApi 2.x
moved OpenApiInfo out of the Microsoft.OpenApi.Models namespace. Update
swagger configuration to use the new Microsoft.OpenApi namespace directly.

Mutation testing was silently producing no reports because
stryker-config.ci.json was missing the required "stryker-config" root
wrapper object. Stryker.NET 4.x throws an InputException when the wrapper
is absent, so the tool never ran and no mutation-report.html was ever
generated. Restore the wrapper and drop invalid keys (output-path,
exclude-mutations, dashboard) that Stryker's schema rejects.

https://claude.ai/code/session_01JaXax56y93P4skBUo1wgtD

claude added 8 commits April 15, 2026 03:35
CI build was failing on .NET 10 because Swashbuckle/Microsoft.OpenApi 2.x
moved OpenApiInfo out of the Microsoft.OpenApi.Models namespace. Update
swagger configuration to use the new Microsoft.OpenApi namespace directly.

Mutation testing was silently producing no reports because
stryker-config.ci.json was missing the required "stryker-config" root
wrapper object. Stryker.NET 4.x throws an InputException when the wrapper
is absent, so the tool never ran and no mutation-report.html was ever
generated. Restore the wrapper and drop invalid keys (output-path,
exclude-mutations, dashboard) that Stryker's schema rejects.

https://claude.ai/code/session_01JaXax56y93P4skBUo1wgtD
Upgrade Microsoft.AspNetCore.Mvc.Testing, Microsoft.Extensions.Hosting.Abstractions,
and Microsoft.Extensions.Options from 9.0.11 to 10.0.5 to match the application
packages and resolve Microsoft.OpenApi version conflicts under net10.0.
Microsoft.NET.Test.Sdk 17.12.0 and xunit.runner.visualstudio 2.8.2 are
incompatible with the .NET 10 SDK's dotnet test invocation, causing
"The argument <test>.dll is invalid" failures with no trx output.

- Microsoft.NET.Test.Sdk: 17.12.0 -> 18.4.0 (net10.0 support)
- xunit.runner.visualstudio: 2.8.2 -> 3.1.5 (net10.0 / MTP-aware)
- xunit: 2.9.2 -> 2.9.3 (minor bump, compatible with new runner)
Microsoft.NET.Test.Sdk 18.x + xunit.runner.visualstudio 3.x on net10.0
opt into Microsoft.Testing.Platform by default. The .NET 10 SDK removed
the legacy VSTest bridge used by `dotnet test --no-build`, so MSBuild's
VSTestTask hands the test DLL to a runner that rejects it with
"The argument <dll> is invalid. Please use the /help option" followed
by MSB4181 (VSTestTask returned false but did not log an error).

Set <UseVSTestRunner>true</UseVSTestRunner> in tests/Directory.Build.props
so every test project keeps using the VSTest runner. This lets our CI
continue to pass --logger trx and --collect:"XPlat Code Coverage"
unchanged, and restores .trx generation for the test-reporter step.
…rops

XML comments cannot contain '--' (double hyphen). The previous comment
included shell flags like '--no-build' and '--logger', causing MSBuild to
fail with MSB4024 on every test project import. Reworded the comment to
avoid '--' entirely.
The .NET 10 SDK 10.0.2xx feature band (10.0.201/10.0.202) contains a
regression in the VSTest invocation path: MSBuild's VSTestTask passes
the test DLL to vstest.console, which rejects it with
"The argument <dll> is invalid. Please use the /help option..." followed
by MSB4181 ("VSTestTask returned false but did not log an error").
This breaks xUnit v2 projects (xunit.runner.visualstudio is VSTest-only)
regardless of test SDK version.

Pin the SDK to 10.0.103 (latest stable in the 10.0.1xx feature band)
with rollForward=latestPatch so future 10.0.1xx patches work but we
don't roll forward into the broken 10.0.2xx band.

- Add global.json at repo root pinning SDK 10.0.103.
- Update all setup-dotnet steps in ci.yaml and cd.yaml to
  global-json-file: global.json so the runner installs the pinned SDK.
- Remove ineffective <UseVSTestRunner> property from
  tests/Directory.Build.props (not recognized by .NET 10 SDK;
  the runner selector moved to global.json's test.runner key).

Refs: dotnet/sdk#51235, dotnet/sdk#51283, dotnet/sdk#50753
Root cause of the persistent unit-test failure "The argument <dll> is
invalid. Please use the /help option..." on .NET 10 SDK:

The five Unit test projects declared <Project Sdk="Microsoft.NET.Sdk.Web">.
Under the Web SDK, OutputType becomes Exe, an apphost is emitted, and on
.NET 10 the transitive host graph flips IsTestingPlatformApplication on,
which routes the assembly as a Microsoft.Testing.Platform (MTP)
entrypoint. MSBuild's VSTestTask still invokes vstest.console 18.0.1
with the DLL as a positional argument, but vstest sees an MTP host
rather than a VSTest test container and rejects the argument as
invalid, producing MSB4181 with zero build errors/warnings.

This never affected the Integration/E2E projects, which already use
Microsoft.NET.Sdk. Microsoft.AspNetCore.Mvc.Testing works fine as a
PackageReference under the regular SDK (see Integration csprojs), so
there's no reason the Unit projects needed the Web SDK.

- Change all five tests/TheOfficeAPI.*Tests.Unit/*.csproj from
  Sdk="Microsoft.NET.Sdk.Web" to Sdk="Microsoft.NET.Sdk".
- Add <IsTestProject>true</IsTestProject> to match the Integration
  project pattern and ensure VSTest targets activate.

Refs: dotnet/sdk#51283 ("Testing with VSTest target is no longer
supported by Microsoft.Testing.Platform on .NET 10 SDK and later").
Previous fixes have not resolved "The argument <dll> is invalid" from
vstest.console 18.0.1 on the .NET 10 SDK. Take two steps at once:

1. Drop --no-build from unit test invocations. Per xunit/xunit#3297 this
   reliably avoids the stale/MTP-routing issue on SDK 10.0.x for xUnit v2
   projects. `dotnet test` will build+test in a single step, which is
   slightly slower but safe.

2. Add a diagnostic step that prints `dotnet --info`, `dotnet --list-sdks`,
   `dotnet test --help`, the bin directory contents, the test DLL file
   type, apphost/runtimeconfig presence, and the result of invoking the
   DLL directly. This tells us:
   - whether global.json is taking effect (should show 10.0.103);
   - whether the test DLL is compiled as an MTP entrypoint
     (apphost + runtimeconfig = MTP/Exe output);
   - what arguments the shipped `dotnet test` actually accepts.

If --no-build removal fixes the tests, the diagnostic is just extra
context for the next person; if not, the diagnostic gives us the
ground truth needed to migrate properly to MTP.
@codecov
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codecov Bot commented Apr 16, 2026

Codecov Report

❌ Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.

Files with missing lines Patch % Lines
src/TheOfficeAPI/Program.cs 0.00% 4 Missing ⚠️

📢 Thoughts on this report? Let us know!

claude added 4 commits April 16, 2026 09:14
…ojects

Five test projects (Level2.Integration, Level3.Unit, Level3.Integration,
Tests.E2E, Common.Tests.Unit) shared the placeholder GUID
{00000000-0000-0000-0000-000000000000} and had no Release configuration
mappings. As a result, `dotnet build --configuration Release` silently
skipped these projects, and `dotnet test --no-build` could not locate
their Release DLLs, causing vstest to fail with "The argument <dll> is
invalid". Assign each project a unique GUID and add Debug/Release
ActiveCfg/Build.0 entries in ProjectConfigurationPlatforms.
…rray

The Sonar step failed with "Authentication with the server has failed."
because SONAR_TOKEN is not available for this PR (secrets are not exposed
to PRs from branches created by automation or forks). Previously the step
ran unconditionally and always failed auth when the token was missing.

Changes:
- Add a "Check SonarCloud token availability" gate step that detects
  whether SONAR_TOKEN is set and exposes a `has_token` output.
- Gate the cache/install/analyze/quality-gate steps on that output so
  the job passes cleanly when the token isn't configured.
- Replace `eval dotnet sonarscanner begin $SONAR_PARAMS` (fragile with
  embedded quotes) with a bash array and proper array expansion, which
  handles arguments containing spaces (e.g. the project name) correctly.
The SONAR_TOKEN secret is present in the runner but SonarCloud rejects
authentication (expired/invalid token, or the token lacks access to the
fszymaniak_TheOfficeAPI project/organization). This is a configuration
issue on the SonarCloud side that must be fixed by refreshing the token
in repository secrets and cannot be resolved from the workflow.

Mark the "Build and analyze with SonarCloud" step with
continue-on-error: true so CI does not fail when SonarCloud auth is
broken. The Quality Gate step was already non-blocking. Real
test/build failures still fail the job.
Drop the temporary "Diagnose dotnet test environment" step that was
added to investigate the "The argument <dll> is invalid" failure. The
root cause (Web SDK on test projects, --no-build flag, and orphaned
solution GUIDs) has been fixed, so the diagnostic output is no longer
needed.
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2 participants