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kola/harness: fix rerun success logic #4559

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kola/harness: fix rerun success logic #4559

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22 changes: 19 additions & 3 deletions mantle/kola/harness.go
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Original file line number Diff line number Diff line change
Expand Up @@ -872,13 +872,29 @@ func runProvidedTests(testsBank map[string]*register.Test, patterns []string, mu
newOutputDir := filepath.Join(outputDir, "rerun")
fmt.Printf("\n\n======== Re-running failed tests (flake detection) ========\n\n")
reRunErr := runProvidedTests(testsToRerun, []string{"*"}, multiply, false, rerunSuccessTags, pltfrm, newOutputDir)
if reRunErr == nil && allTestsAllowRerunSuccess(testsToRerun, rerunSuccessTags) {
// Four possible outcomes from the rerun:
// 1. reRunErr == nil && allTestsAllowRerunSuccess == true:
// Tests passed on rerun AND have the required tags to allow rerun success.
// Reset to success (runErr = nil).
// 2. reRunErr != nil && allTestsAllowRerunSuccess == false:
// Tests failed on rerun and don't have tags. Use the rerun error (runErr = reRunErr).
// 3. reRunErr == nil && allTestsAllowRerunSuccess == false:
// Tests passed on rerun BUT don't have the required tags to allow rerun success.
// Keep the original error (don't modify runErr) - the initial failure stands.
// 4. reRunErr != nil && allTestsAllowRerunSuccess == true:
// Tests failed on rerun even though they have allow-rerun-success tags.
// Use the rerun error (runErr = reRunErr) - tags only matter when rerun passes.
if reRunErr != nil {
// Scenarios 2 & 4: Rerun failed - use the rerun error regardless of tags
runErr = reRunErr
} else if allTestsAllowRerunSuccess(testsToRerun, rerunSuccessTags) {
// Scenario 1: Rerun passed AND tests have tags to allow rerun success
runErr = nil // reset to success since all tests allowed rerun success
numFailedTests = 0 // zero out the tally of failed tests
} else {
runErr = reRunErr
// Scenario 3: Rerun passed but tags don't allow success.
fmt.Println("Tests passed on rerun but lack tags to allow rerun success; original failure stands.")
}

}

// Return ErrWarnOnTestFail when ONLY tests with warn:true feature failed
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