adaptive-jetstream-build.yml

name: Build and Test Adaptive Jetstream

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]
  workflow_dispatch:

jobs:
  build-and-test:
    runs-on: ubuntu-latest

    permissions:
      # Give the default GITHUB_TOKEN write permission to commit and push the
      # screenshot reference files to the repository.
      contents: write

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

      - name: Set up JDK 21
        uses: actions/setup-java@v4
        with:
          java-version: '21'
          distribution: 'temurin'
          cache: gradle

      - name: Grant execute permission for gradlew
        run: chmod +x gradlew
        working-directory: ./AdaptiveJetStream

      - name: Build Debug APK
        run: ./gradlew assembleDebug
        working-directory: ./AdaptiveJetStream

      - name: Run Unit Tests
        run: ./gradlew testDebugUnitTest
        working-directory: ./AdaptiveJetStream

      - name: Run all local screenshot tests
        id: screenshotsverify
        continue-on-error: true
        run: ./gradlew validateDebugScreenshotTest
        working-directory: ./AdaptiveJetStream

      - name: Prevent pushing new screenshots if this is a fork
        id: checkfork_screenshots
        continue-on-error: false
        if: steps.screenshotsverify.outcome == 'failure' && github.event.pull_request.head.repo.full_name != github.repository
        run: |
          echo "::error::Screenshot tests failed, please create a PR in your fork first." 
          echo "Your fork's CI will take screenshots for your fork."
          exit 1
        working-directory: ./AdaptiveJetStream

      # Runs if previous job failed
      - name: Generate new screenshots if verification failed and it's a PR
        id: screenshotsrecord
        if: steps.screenshotsverify.outcome == 'failure' && github.event_name == 'pull_request'
        run: |
          ./gradlew updateDebugScreenshotTest
        working-directory: ./AdaptiveJetStream

      - name: Push new screenshots if available
        uses: stefanzweifel/git-auto-commit-action@v5
        if: steps.screenshotsrecord.outcome == 'success'
        with:
          file_pattern: 'AdaptiveJetStream/jetstream/src/screenshotTestDebug/reference/**/*.png'
          commit_message: "🤖 Updates screenshots"