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coverage-scope

The coverage-scope package ensures that a cobertura.xml coverage format file meets a minimum coverage threshold. It is specially designed to check if the coverage of changed files in a pull request meets a minimum threshold, preventing a decrease in coverage. The package also checks the total coverage of the project.

Supported languages

The package currently has only been tested with the following coding languages:

  • Python
  • Rust
  • Golang
  • Dart
  • C#
  • Angular
  • React

These are the only languages that have been tested. However, the logic should be applicable for other languages.

Usage

IMPORTANT: When checking out the repository, you need to set the fetch depth to 0 the actions/checkout@v3 action.

- uses: actions/checkout@v3
  with:
    fetch-depth: 0

To use the GitHub actions for coverage-scope, you need to provide the cobertura coverage file in xml format, the branch you want to compare against when measuring changed files coverage, and the minimum threshold for both the total coverage and the changed files coverage.

- uses: dennisjensen95/[email protected]
  with: 
    coverage-filepath: cobertura.xml
    branch: main
    threshold-total: 80
    threshold-change: 90

I made this because I could not find a GitHub action that did this. I wanted specifically to allow pull requests to not have a total specific coverage and then only check if the changed files in the pull request met a minimum threshold. This is useful if you have a large project with a lot of legacy code, or you join a team that has not been testing, that you do not want to have to fix coverage for. This way you can ensure that new code meets a minimum threshold.