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PlaywrightMultiTest

Unified NUnit + Playwright test runner. Runs ALL tests (desktop + browser) via dotnet test.

Running Tests

# All tests with timestamped results
timestamp=$(date +%Y%m%d_%H%M%S) && dotnet test PlaywrightMultiTest/PlaywrightMultiTest.csproj --logger "trx;LogFileName=results_${timestamp}.trx" --results-directory PlaywrightMultiTest/TestResults

# Filter to specific tests
dotnet test PlaywrightMultiTest/PlaywrightMultiTest.csproj --filter "FullyQualifiedName~WasmTests.KernelTest"

How It Works

  • ProjectDiscovery scans for <PlaywrightMultiTest> element in .csproj files
  • Blazor WASM: publishes app, starts HTTPS static file server, launches Chromium (with --enable-unsafe-webgpu), navigates to test page, enumerates tests from DOM
  • Console/Exe: publishes app, runs binary as subprocess for each test
  • Tests surfaced as NUnit TestCaseSource — standard NUnit --filter works

Key Constraints

  • Blazor WASM publish takes under 2 minutes — anything longer means it's hung
  • Process hang fix: uses event-based async reads + WaitForExit(5000) with timeout
  • Blazor error detection: checks #blazor-error-ui before/after each test
  • Console capture: browser console errors/warnings via Playwright page.Console event
  • Never start duplicate test processes — log timing, track carefully