Fix: make test-coverage to properly enable coverage for all test suites#2989
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kevinjqliu merged 1 commit intoapache:mainfrom Jan 31, 2026
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…es (apache#2989) <!-- Thanks for opening a pull request! --> <!-- In the case this PR will resolve an issue, please replace ${GITHUB_ISSUE_ID} below with the actual Github issue id. --> <!-- Closes #${GITHUB_ISSUE_ID} --> # Rationale for this change The `test-coverage` target was failing with "No data to combine" because the `COVERAGE=1` variable wasn't being propagated to prerequisite test targets. Make's target-specific variable syntax (`test-coverage: COVERAGE=1`) only sets the variable for that specific target, not for its prerequisites when they execute as separate Make invocations. Found this out when verifying release, which is the only place we run `make test-coverage`. CI runs `make coverage-report` ## Are these changes tested? Ran `make test-coverage` before and after ## Are there any user-facing changes? <!-- In the case of user-facing changes, please add the changelog label. -->
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Rationale for this change
The
test-coveragetarget was failing with "No data to combine" because theCOVERAGE=1variable wasn't being propagated to prerequisite test targets.Make's target-specific variable syntax (
test-coverage: COVERAGE=1) only sets the variable for that specific target, not for its prerequisites when they execute as separate Make invocations.Found this out when verifying release, which is the only place we run
make test-coverage. CI runsmake coverage-reportAre these changes tested?
Ran
make test-coveragebefore and afterAre there any user-facing changes?