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coralogixcoralogix/cx-cli/.claude/skills/run-tests/SKILL.md

run-tests

Skill241 starsChanged 3 months agoApache-2.0View on GitHub

Use this skill when the user asks to "run tests", "test this", "check if tests pass", "cargo test", "run clippy", "lint this", "check formatting", "cargo fmt", "CI checks", "verify changes", "does this pass tests", "run the full check", "pre-commit check", or wants to verify that code changes are correct. Use this even when the user says something like "make sure this works" or "check for issues" in the context of code changes.

48 other projects use a version of this.

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Projects with it also use prepare-release, commit and 2 more.

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The file

We split this skill into the rules it gives an agent

2 rules. 0 are common, 0 are distinctive, and 2 are very specific to this project.

  • 0

    Common

    Most of the 44 edited versions we read keep these.

  • 0

    Distinctive

    This author's own choices. Worth a look.

  • 2

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Very specific:

    API types (src/commands/<cmd>/api.rs): - run that command's tests first (cargo test alerts, cargo test dataprime), then the full suite

    line 42
  2. Very specific:

    Format failures: - run cargo fmt to auto-fix.

    line 59

“Common” is measured: kept by at least 6 in 10 of the 44 edited versions of this file we could read. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

Run Tests & Verify

How to run tests, lint, and verify changes in the cx CLI. This skill covers running only - for writing new tests, see the add-command skill.

Quick Reference

CommandWhat it does
cargo testRun all unit + integration tests
cargo test <name>Run tests matching a name substring
cargo test -- --ignoredRun integration tests (filesystem-dependent, skipped by default)
cargo fmt --checkCheck formatting (no changes)
cargo fmtAuto-fix formatting
cargo clippy --locked -- -D warningsLint with warnings-as-errors
cargo buildVerify compilation

Full CI Check

This is the exact sequence CI runs on every PR. Run it before committing or creating a PR:

cargo fmt --check && cargo clippy --locked -- -D warnings && cargo test --locked

The --locked flag ensures the lockfile is respected - this matches .github/workflows/test.yml and lint.yml exactly. CI runs tests on Ubuntu, macOS, and Windows.

What to Run After a Change

Pick the right level of verification based on what changed:

  • Any .rs file - cargo test + cargo clippy --locked -- -D warnings
  • Formatting only - cargo fmt --check (or cargo fmt to auto-fix)
  • Cargo.toml - full CI check (dependency changes affect everything)
  • API types (src/commands/<cmd>/api.rs) - run that command's tests first (cargo test alerts, cargo test dataprime), then the full suite
  • Test files only - cargo test <relevant_test_name>

Running Specific Tests

Target tests efficiently instead of running the entire suite:

  • cargo test alerts - all tests with "alerts" in the name
  • cargo test --test dataprime - only the tests/dataprime/ integration test binary (input + output + query)
  • cargo test --test dataprime input - only the input submodule of that binary
  • cargo test config::tests - only the tests in the config module
  • cargo test metrics::tests - only metrics formatting tests

Interpreting Failures

Clippy warnings - treated as errors via -D warnings. Fix every warning before committing. Common ones: unused variables, unnecessary clones, missing error handling.

Format failures - run cargo fmt to auto-fix. These never need manual intervention.

Deserialization test failures - usually means struct field names don't match JSON keys. Check that #[serde(rename_all = "camelCase")] is on response types and that #[serde(default)] is on Vec fields (the API sometimes omits empty arrays).

Compilation errors in tests - likely caused by changing a public function signature. Check callers in both src/ and tests/ directories.

Integration test failures (--ignored) - these depend on filesystem state (~/.cx/ config directory). They may fail if the local environment isn't set up. This is expected in CI where no config exists.

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