65 lines
2.5 KiB
Bash
65 lines
2.5 KiB
Bash
#!/usr/bin/env bash
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# Usage: bash .woodpecker/_retry_failed.sh <test command args...>
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#
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# Runs `python manage.py test "$@"`. If any tests fail/error, parses the
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# failure labels out of stdout and re-runs ONLY those tests — so a single
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# Selenium flake at test 90/93 costs ~22s on retry instead of the full
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# 35-minute step.
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#
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# Django's unittest-based runner prints failures in a predictable shape:
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#
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# ERROR: test_method (full.dotted.path.TestClass.test_method)
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# FAIL: test_method (full.dotted.path.TestClass.test_method)
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#
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# The dotted path inside the parens is exactly what `manage.py test`
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# accepts as a label. We grep for those lines + re-run that list.
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#
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# Exit semantics:
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# - First run green → exit 0, no retry.
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# - First run failed AND label parse found nothing (crashed before any
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# test reported, e.g. ImportError) → propagate first-run exit code,
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# no retry. Genuine infra problems shouldn't be silently re-run.
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# - First run failed AND labels parsed → retry just those; exit with
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# the retry's exit code. A real (not-flaky) regression fails twice
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# → step still red, with the focused retry log as the authoritative
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# report (no need to scroll past the noisy first-run output).
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#
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# Run from inside `src/` (Woodpecker preserves cwd across `commands:`,
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# so the upstream `cd ./src` carries through).
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set +e # do NOT bail on first failure; we WANT to handle it
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LOG=$(mktemp -t ft-retry.XXXXXX.log)
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trap 'rm -f "$LOG"' EXIT
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echo "──── First run ────"
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python manage.py test "$@" 2>&1 | tee "$LOG"
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FIRST=${PIPESTATUS[0]}
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if [ "$FIRST" -eq 0 ]; then
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exit 0
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fi
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# Parse failure labels. Match both FAIL: and ERROR: lines; the dotted
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# path lives inside the trailing parens. `sort -u` dedupes if a single
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# test produces multiple lines (rare but possible).
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FAILED=$(grep -E '^(FAIL|ERROR): ' "$LOG" \
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| sed -E 's/^.*\(([^)]+)\)[^()]*$/\1/' \
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| sort -u \
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| tr '\n' ' ')
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if [ -z "$FAILED" ]; then
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echo "──── First run failed, but no FAIL/ERROR labels parseable ────"
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echo "──── Not retrying — likely an infra problem, not a test flake ────"
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exit "$FIRST"
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fi
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NUM=$(echo "$FAILED" | wc -w | tr -d ' ')
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echo ""
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echo "──── Retry ($NUM failed test(s) from first run) ────"
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echo "$FAILED" | tr ' ' '\n' | sed 's/^/ /'
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echo "─────────────────────────────────────────────────────"
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echo ""
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python manage.py test $FAILED
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