Delta Coverage

Code coverage for what matters — your changes.

Delta Coverage is a Gradle plugin that computes code coverage of new/modified code based on a git diff. Focus on testing what you've changed, not the entire codebase.

📖 Full Documentation

Quick Start

1. Apply the plugin (root project)

plugins {
    id("io.github.gw-kit.delta-coverage") version "3.6.0"
}

2. Configure diff source

configure<io.github.surpsg.deltacoverage.gradle.DeltaCoverageConfiguration> {
    diffSource.git.compareWith.set("refs/remotes/origin/main")
}

3. Run

./gradlew test deltaCoverage

Reports are generated in build/reports/coverage-reports/.

Compatibility

Delta Coverage	Gradle	Min JVM
3.x	7.6.4+	17
2.5.x	6.7.1 - 8.10.2	11

Related Projects

• delta-coverage-action — GitHub Action for PR comments
• delta-coverage-cli — Standalone CLI tool
• cover-jet-plugin — IntelliJ coverage for Gradle

License

MIT