name: Test cache cleanup

on:
  workflow_call:
    inputs:
      cache-key-prefix:
        type: string
      runner-os:
        type: string
        default: '["ubuntu-latest", "windows-latest", "macos-latest"]'
      download-dist:
        type: boolean
        default: false

env:
  DOWNLOAD_DIST: ${{ inputs.download-dist }}
  GRADLE_BUILD_ACTION_CACHE_KEY_PREFIX: integ-test-cache-cleanup-${{ inputs.cache-key-prefix }}
  GRADLE_BUILD_ACTION_CACHE_DEBUG_ENABLED: true

jobs:
  full-build:
    strategy:
      matrix:
        os: ${{fromJSON(inputs.runner-os)}}
    runs-on: ${{ matrix.os }}
    steps:
    - name: Checkout sources
      uses: actions/checkout@v4
    - name: Download distribution if required
      uses: ./.github/actions/download-dist
    - name: Setup Gradle
      uses: ./
      with:
        cache-read-only: false # For testing, allow writing cache entries on non-default branches
    - name: Build with 3.1
      working-directory: test/jest/resources/cache-cleanup
      run: gradle --no-daemon --build-cache -Dcommons_math3_version="3.1" build

  # Second build will use the cache from the first build, but cleanup should remove unused artifacts
  assemble-build:
    needs: full-build
    strategy:
      matrix:
        os: ${{fromJSON(inputs.runner-os)}}
    runs-on: ${{ matrix.os }}
    steps:
    - name: Checkout sources
      uses: actions/checkout@v4
    - name: Download distribution if required
      uses: ./.github/actions/download-dist
    - name: Setup Gradle
      uses: ./
      with:
        cache-read-only: false
        gradle-home-cache-cleanup: true
    - name: Build with 3.1.1
      working-directory: test/jest/resources/cache-cleanup
      run: gradle --no-daemon --build-cache -Dcommons_math3_version="3.1.1" build

  check-clean-cache:
    needs: assemble-build
    strategy:
      matrix:
        os: ${{fromJSON(inputs.runner-os)}}
    runs-on: ${{ matrix.os }}
    steps:
    - name: Checkout sources
      uses: actions/checkout@v4
    - name: Download distribution if required
      uses: ./.github/actions/download-dist
    - name: Setup Gradle
      uses: ./
      with:
        cache-read-only: true
    - name: Report Gradle User Home
      run: du -hc ~/.gradle/caches/modules-2
    - name: Verify cleaned cache
      shell: bash
      run: |
        if [ ! -e ~/.gradle/caches/modules-2/files-2.1/org.apache.commons/commons-math3/3.1.1 ]; then
          echo "::error ::Should find commons-math3 3.1.1 in cache"
          exit 1
        fi
        if [ -e ~/.gradle/caches/modules-2/files-2.1/org.apache.commons/commons-math3/3.1 ]; then
          echo "::error ::Should NOT find commons-math3 3.1 in cache"
          exit 1
        fi