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test(ext-agents): guard tier selectors against false-green#9115

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glharper/ext-agents-tier-selector-8778
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test(ext-agents): guard tier selectors against false-green#9115
glharper wants to merge 2 commits into
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glharper/ext-agents-tier-selector-8778

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@glharper

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Summary

The ext-azure-ai-agents-test workflow selects Tier 0 and Tier 1 functional tests with go test -run <regex>. Go exits successfully when a regex matches no tests, so renaming or adding a Test_AIAgent_ test without updating the tier selectors could silently produce a false-green CI run.

Fix

  • Centralize the Tier 0 and Tier 1 regexes as job-level environment variables so validation and execution use the same selectors.
  • Anchor both regexes to exact top-level test names.
  • Add a Validate tier test selectors step that uses go test -list to discover tests and fails when:
    • no Test_AIAgent_ tests are discovered;
    • either tier matches zero tests;
    • a test is assigned to both tiers; or
    • any discovered test is not assigned to exactly one tier.
  • Normalize carriage returns so the check is deterministic when reproduced from Windows Bash as well as on the Ubuntu runner.

The current inventory is validated as 4 Tier 0 tests and 5 Tier 1 tests. The actual test steps reuse the validated regex variables.

Validation

  • Ran the exact selector guard locally: it discovered all 9 tests and accepted the current 4/5 split.
  • Removed Test_AIAgent_Doctor_Help from the Tier 0 selector in a local negative-control run; the guard failed and identified the uncovered test.
  • git diff --check passes.

Fixes #8778

Centralize the Tier 0 and Tier 1 go test patterns, then validate that each selector matches tests, no test belongs to both tiers, and every Test_AIAgent_ test is assigned exactly once. This makes renamed or newly added tests fail CI instead of being silently skipped by go test -run.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Copilot-Session: 6eccd2f8-19dc-4da9-abf7-12eb690cf50c
Copilot AI review requested due to automatic review settings July 13, 2026 14:52
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📋 Prioritization Note

Thanks for the contribution! The linked issue isn't in the current milestone yet.
Thank you for logging this issue; our team is reviewing it. If you need urgent prioritization, tag @RickWinter and @kristenwomack to let us know.

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Pull request overview

Adds CI validation to prevent false-green Azure AI Agents tier test runs.

Changes:

  • Centralizes and anchors Tier 0/1 selectors.
  • Verifies all nine tests belong to exactly one tier.
  • Reuses validated selectors during test execution.

@jongio jongio left a comment

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One non-blocking suggestion on the new validation step, inline. The guard logic itself checks out: I ran it against the current package and the two tier regexes select exactly the 4 Tier 0 and 5 Tier 1 tests with full coverage and no overlap.

Comment thread .github/workflows/test-ext-azure-ai-agents.yml
@JeffreyCA JeffreyCA added the ext-agents azure.ai.agents extension label Jul 13, 2026
Move the selector guard directly after setup-go so regex drift fails before building azd, the inspector dependency, or the agents extension.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Copilot-Session: 6eccd2f8-19dc-4da9-abf7-12eb690cf50c
Copilot AI review requested due to automatic review settings July 13, 2026 23:50

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Pull request overview

Copilot reviewed 1 out of 1 changed files in this pull request and generated no new comments.

@huimiu

huimiu commented Jul 14, 2026

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/check-enforcer override

@huimiu huimiu enabled auto-merge (squash) July 14, 2026 12:33
@huimiu huimiu disabled auto-merge July 14, 2026 12:54
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ext-azure-ai-agents CI: guard against -run regex false-green

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