test(CI): upload junit reports to datadog

[Leiyks]

Description

This PR integrates Datadog Test Optimization by automatically uploading JUnit test results from CI to Datadog.

Changes

New upload script (.gitlab/upload-junit-to-datadog.sh)

• Auto-installs dependencies (jq, Vault, datadog-ci) if not present
• Fetches API key from Vault securely
• Normalizes file paths from absolute to repository-relative before upload
• Sets git.repository_url to GitHub URL for proper Test Optimization integration
• Adds test.source.file tags to categorize tests by component
• Gracefully handles failures (warns but doesn't fail CI jobs)

CI pipeline updates

• Modified all test job generators to:
  • Set TEST_PHP_JUNIT environment variable for JUnit XML output path
  • Create artifacts directory for test results
  • Call upload script in after_script with appropriate source file tags

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 61.81%. Comparing base (64813c5) to head (736b94a).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3521      +/-   ##
==========================================
- Coverage   61.95%   61.81%   -0.15%     
==========================================
  Files         140      140              
  Lines       13281    13281              
  Branches     1758     1758              
==========================================
- Hits         8228     8209      -19     
- Misses       4264     4282      +18     
- Partials      789      790       +1     

see 5 files with indirect coverage changes

---

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[pr-commenter]

Benchmarks [ tracer ]

Benchmark execution time: 2025-12-17 13:34:10

Comparing candidate commit c4d3680 in PR branch leiyks/feat-upload-junit-report-to-datadog with baseline commit 867b36c in branch master.

Found 3 performance improvements and 3 performance regressions! Performance is the same for 187 metrics, 1 unstable metrics.

scenario:MessagePackSerializationBench/benchMessagePackSerialization

• 🟩 execution_time [-5.933µs; -4.367µs] or [-5.315%; -3.912%]

scenario:MessagePackSerializationBench/benchMessagePackSerialization-opcache

• 🟩 execution_time [-4.416µs; -2.264µs] or [-3.920%; -2.010%]

scenario:PHPRedisBench/benchRedisBaseline

• 🟥 execution_time [+5.685µs; +6.928µs] or [+4.213%; +5.134%]

scenario:SamplingRuleMatchingBench/benchGlobMatching1

• 🟥 execution_time [+47.311ns; +112.689ns] or [+2.162%; +5.149%]

scenario:SpanBench/benchOpenTelemetryAPI-opcache

• 🟥 mem_peak [+1.700MB; +1.704MB] or [+4.418%; +4.430%]

scenario:TraceSerializationBench/benchSerializeTrace

• 🟩 execution_time [-40.634µs; -27.466µs] or [-9.109%; -6.157%]

[datadog-official]

⚠️ Tests

✨ Fix all issues with Cursor

⚠️ Warnings

🧪 1112 Tests failed

    testSearchPhpBinaries from integration.DDTrace\Tests\Integration\PHPInstallerTest (Fix with Cursor)

    testSimplePushAndProcess from laravel-58-test.DDTrace\Tests\Integrations\Laravel\V5_8\QueueTest (Fix with Cursor)

testSimplePushAndProcess from laravel-8x-test.DDTrace\Tests\Integrations\Laravel\V8_x\QueueTest (Datadog) (Fix with Cursor)

DDTrace\Tests\Integrations\Laravel\V8_x\QueueTest::testSimplePushAndProcess
Test code or tested code printed unexpected output: spanLinksTraceId: 69610a7b000000006f548c63a966e074
tid: 69610a7b00000000
hexProcessTraceId: 6f548c63a966e074
hexProcessSpanId: 4a0031d4d1b213c2
processTraceId: 8022191195925438580
processSpanId: 5332316748927603650

View all

ℹ️ Info

❄️ No new flaky tests detected

_{This comment will be updated automatically if new data arrives.
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