Min Coverage

✓ Guardrail Coverage Guardrails Stable Testing And Quality

coverage.min-coverage

Enforces a minimum code coverage threshold (default 80%). Fails when coverage percentage is below the configured minimum.

coverage threshold minimum coverage quality gates

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Compatible Integrations

This guardrail works with the following integrations. Click to see how to use Min Coverage with each collector.

Min Coverage + Codecov Collector Provides coverage data from Codecov

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Min Coverage + Go Collector Provides Go test coverage data

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Enable This Guardrail

Add the parent policy to your lunar-config.yml to enable this guardrail.

📄 lunar-config.yml

policies:
  - uses: github://earthly/lunar-lib/policies/coverage@v1.0.0
    include: [min-coverage]
    # with: ...

How This Guardrail Works

This guardrail is part of the Coverage 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.

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↓ Integrations Gather Data

Collectors extract metadata from code, CI pipelines, tool outputs, and scans

{ } Centralized as JSON

All data merged into each component's unified metadata document

✓ This Guardrail Checks Current

Min Coverage runs and provides pass/fail feedback

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
`min_coverage`	Optional	`80`	Minimum required coverage percentage

Coverage Guardrails

This guardrail is part of the Coverage Guardrails policy, which includes 3 guardrails for testing and quality.

View Policy

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