name: Mutation Testing

on:
  workflow_dispatch:
  schedule:
    - cron: "0 4 * * 0"

permissions:
  contents: read

jobs:
  mutation-image-engine:
    name: Stryker (image-engine)
    runs-on: ubuntu-latest
    timeout-minutes: 120
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
      - uses: ./.github/actions/setup
      - name: Restore incremental mutation state
        uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
        with:
          path: packages/image-engine/reports/stryker-incremental.json
          key: stryker-incremental-${{ github.sha }}
          restore-keys: |
            stryker-incremental-
      - name: Run mutation tests
        run: pnpm --filter @snapotter/image-engine exec stryker run
      - name: Upload mutation report
        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
        if: always()
        with:
          name: mutation-report-image-engine
          path: packages/image-engine/reports/mutation/
          retention-days: 30