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fix(tests): e2e.sh discarded all mix test output, making CI undebuggable #642

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Merged
hyperpolymath merged 2 commits into from
Jul 21, 2026
Merged

fix(tests): e2e.sh discarded all mix test output, making CI undebuggable #642

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73a705e
fix(tests): e2e.sh discarded all mix test output, making CI undebuggable
hyperpolymath Jul 21, 2026
2040f07
Merge branch 'main' into fix/e2e-surface-mix-output
hyperpolymath Jul 21, 2026
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16 changes: 14 additions & 2 deletions tests/e2e.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -114,12 +114,24 @@ if $HAS_ELIXIR; then
fi
fi

# Unit tests
if mix test --trace 2>&1 | tail -5 | grep -q "0 failures"; then
# Unit tests.
#
# Previously this was `mix test --trace 2>&1 | tail -5 | grep -q "0 failures"`,
# which DISCARDED the entire test output. A CI failure therefore reported
# exactly one line — "FAIL: Elixir unit tests" — with no failing test name,
# no assertion, no stacktrace, making the red job impossible to diagnose
# from CI. Capture the run, judge it by mix's own exit status, and echo the
# output when it fails.
_mix_log="${TMPDIR:-/tmp}/hypatia-mix-test.$$.log"
if mix test --trace >"$_mix_log" 2>&1; then
pass "Elixir unit tests pass"
else
fail_test "Elixir unit tests"
echo "--- mix test output (tail 120) ---"
tail -120 "$_mix_log"
echo "--- end mix test output ---"
fi
rm -f "$_mix_log"

echo ""
fi
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