mutation.yml

name: Mutation Testing

on:
  push:
    # Prevent duplicate jobs on Dependabot PRs that interfere with automerge.
    branches-ignore:
      - 'dependabot/**'
  pull_request:

jobs:
  tests:
    runs-on: ubuntu-22.04

    name: Mutation Testing
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup PHP
        uses: shivammathur/setup-php@v2
        with:
          php-version: 8.2
          tools: composer:v2
          coverage: pcov

      - name: Install dependencies
        run: |
          composer install --no-progress --no-suggest --no-interaction

      - name: Run Infection for added files only
        if: github.event_name == 'pull_request'
        run: |
          git fetch --depth=1 origin $GITHUB_BASE_REF
          # Explicitly specify GitHub logger since our Stryker reporting will otherwise disable it.
          php vendor/bin/infection --threads=max --git-diff-lines --git-diff-base=origin/$GITHUB_BASE_REF --logger-github --only-covered

      - name: Run Infection for all files
        if: github.event_name == 'push'
        env:
          INFECTION_DASHBOARD_API_KEY: ${{ secrets.INFECTION_DASHBOARD_API_KEY }}
        run: |
          php vendor/bin/infection --threads=1 --only-covered