name: Runs Macro Benchmarks on Firebase Test Lab

on:
  push:
    branches: [ macrobenchmark, main ]
  workflow_dispatch:

jobs:
  # This job checks for any file changed within MacrobenchmarkSample/ folder 
  # to distinguish if the build check for Macrobenchmark is needed to be run.
  # It sets the outputs.macrobenchmark to true/false based on the changes.
  # In the next build job, it checks for needs.changes.outputs.macrobenchmark == 'true' 
  # or skips the job otherwise.
  changes:
    if: github.repository_owner == 'android' 
    runs-on: ubuntu-latest
    # Set job outputs to values from filter step to be able to use it in next job
    outputs:
      macrobenchmark: ${{ steps.filter.outputs.macrobenchmark }}
    steps:
    - name: Checkout
      uses: actions/checkout@v3
      with:
        fetch-depth: 1
    - uses: dorny/paths-filter@v2
      id: filter
      with:
        filters: |
          macrobenchmark:
            - 'MacrobenchmarkSample/**'

  build:
    needs: changes
    # Only run action for the main repo & not forks and if change is in macrobenchmark sample
    if: github.repository_owner == 'android' && needs.changes.outputs.macrobenchmark == 'true' 
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 1
    
      - name: Setup JDK
        id: setup-java
        uses: actions/setup-java@v3
        with:
          java-version: '17'
          distribution: 'zulu'
            
      - name: Build Macrobenchmark Sample
        uses: eskatos/gradle-command-action@v1
        env:
          JAVA_HOME: ${{ steps.setup-java.outputs.path }}
        with:
          arguments: |
            :app:assembleBenchmark
            :macrobenchmark:assembleBenchmark
          build-root-directory: ${{ github.workspace }}/MacrobenchmarkSample
          gradle-executable: ${{ github.workspace }}/MacrobenchmarkSample/gradlew
          wrapper-directory: ${{ github.workspace }}/MacrobenchmarkSample/gradle/wrapper

      - name: 'Authenticate Cloud SDK'
        uses: 'google-github-actions/auth@v0'
        with:
          credentials_json: '${{ secrets.GCP_CREDENTIALS }}'

      - name: Set up Cloud SDK
        uses: google-github-actions/setup-gcloud@v0
      
      - name: Install Cloud SDK Beta components
        run: gcloud components install beta
      
      - name: Run Macro Benchmarks
        run: |
          gcloud beta firebase test android run \
            --type instrumentation \
            --app ${{ github.workspace }}/MacrobenchmarkSample/app/build/outputs/apk/benchmark/app-benchmark.apk \
            --test ${{ github.workspace }}/MacrobenchmarkSample/macrobenchmark/build/outputs/apk/benchmark/macrobenchmark-benchmark.apk \
            --device model=redfin,version=30,locale=en,orientation=portrait \
            --directories-to-pull /sdcard/Download \
            --results-bucket gs://macrobenchmark-results \
            --environment-variables clearPackageData=true,additionalTestOutputDir=/sdcard/Download,no-isolated-storage=true,androidx.benchmark.enabledRules=Macrobenchmark \
            --num-uniform-shards 3 \
            --timeout 30m