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@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
      - uses: ./.github/actions/setup
      - name: Restore incremental mutation state
        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        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@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        if: always()
        with:
          name: mutation-report-image-engine
          path: packages/image-engine/reports/mutation/
          retention-days: 30