name: Tests
on:
  push:
    branches:
      - main
  pull_request:

# Declare default permissions as read only.
permissions: read-all

jobs:
  unit-test:
    name: Unit tests on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
    steps:
      # Set up Flutter.
      - name: Clone Flutter repository with master channel
        uses: subosito/flutter-action@6c2e035f2692eeac890d854df95630c72673f130
        with:
          channel: master
      - run: flutter doctor -v

      # Checkout gallery code and get packages.
      - name: Checkout gallery code
        uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b
      - run: flutter pub get -v

      # Analyze, check formatting, and run unit tests.
      - run: flutter analyze
      - name: Ensure the Dart code is formatted correctly
        run: flutter format --set-exit-if-changed --dry-run .
      - name: Run Flutter unit tests
        run: flutter test

  benchmark-test:
    name: Benchmark tests
    runs-on: ubuntu-latest
    steps:
      # Set up Flutter.
      - name: Clone Flutter repository with master channel
        uses: subosito/flutter-action@6c2e035f2692eeac890d854df95630c72673f130
        with:
          channel: master
      - run: flutter doctor -v
      - run: flutter config --enable-web

      # Checkout gallery code and get packages.
      - name: Checkout gallery code
        uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b
      - run: flutter pub get -v

      - run: flutter test test_benchmarks

  golden-test:
    name: Golden tests
    runs-on: macos-latest
    steps:
      # Set up Flutter.
      - name: Clone Flutter repository with master channel
        uses: subosito/flutter-action@6c2e035f2692eeac890d854df95630c72673f130
        with:
          channel: master
      - run: flutter doctor -v

      # Checkout gallery code and get packages.
      - name: Checkout gallery code
        uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b
      - run: flutter pub get -v

      # Run the golden tests and upload failed test artifacts.
      - run: flutter test test_goldens
      - name: Upload goldens if tests fail
        uses: actions/upload-artifact@3cea5372237819ed00197afe530f5a7ea3e805c8
        if: failure()
        with:
          name: goldens
          path: test_goldens/failures/