test

name	test
description	Run cargo test with llvm-cov coverage, enforce gates, name uncovered lines on modified files.

/test

Run the test suite with coverage. Coverage threshold is 80% — this command surfaces why and where when it fails.

Steps

1. Run tests with coverage

cargo llvm-cov --all-features --workspace --summary-only 2>&1

Capture exit code and stdout. If cargo llvm-cov is not installed, halt: "Run /setup first — cargo-llvm-cov is not installed."

For more detail when diagnosing uncovered lines, use:

cargo llvm-cov --all-features --workspace 2>&1

2. Parse results

Extract from stdout:

• Pass / fail / ignore counts (from the test result: line, e.g. test result: ok. 5 passed; 0 failed; 0 ignored).
• Overall line coverage % from the TOTAL row in the coverage summary.
• Coverage threshold: 80% (hardcoded gate — CUSTOMIZE in AGENTS.md if your project differs).

3. Gate: test failures

If any test failed:

• Stop. Do not proceed to commit-related work.
• List each failing test: <test_name> — <one-line failure reason>.
• If there's an obvious cause (assertion, panic, fixture error), name it. Don't paste the full output unless the user asks.

4. Gate: coverage failure

If coverage is below threshold:

• Identify recently modified source files: git diff --name-only HEAD~1 HEAD -- '**/*.rs' and git diff --name-only -- '**/*.rs'.
• Run full coverage report for those files:

  cargo llvm-cov --all-features --workspace 2>&1
  

• For each modified file, list the uncovered line ranges.
• Suggest concrete test cases (one bullet per uncovered branch). Be specific — test_parse_returns_err_on_empty_input, not "add more tests".

5. Pass case

If everything is green, report:

PASS  <N> passed, <M> ignored
COVER <X>% line coverage (threshold: 80%)
TIME  <Z>s