Min Coverage
testing.min-coverage
Enforces a minimum code coverage threshold (default 80%). Fails if coverage data is not available.
Compatible Integrations
This guardrail works with the following integrations. Click to see how to use Min Coverage with each collector.
Enable This Guardrail
Add the parent policy to your lunar-config.yml to enable this guardrail.
policies:
- uses: github://earthly/lunar-lib/policies/testing@v1.0.0
include: [min-coverage]
# with: ...How This Guardrail Works
This guardrail is part of the Testing Guardrails policy. It evaluates data collected by integrations and produces a pass/fail check with actionable feedback.
When enabled, this check runs automatically on every PR and in AI coding workflows, providing real-time enforcement of your engineering standards.
Learn How Lunar Works →Configuration Options
These inputs can be configured in your lunar-config.yml to customize
how the parent policy (and this guardrail) behaves.
| Input | Required | Default | Description |
|---|---|---|---|
required_languages
|
Required | — | Comma-separated list of languages to check (e.g., "go,python,nodejs,java"). If empty, applies to all components with any detected language project. Components without .lang.* are always skipped (e.g., docs-only repos). |
min_coverage
|
Optional |
80
|
Minimum required coverage percentage (for min-coverage check) |
Testing Guardrails
This guardrail is part of the Testing Guardrails policy, which includes 5 guardrails for testing and quality.
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