.github/workflows/unit.yml

name: Flutter Gallery Unit Tests
on: 
  push:
    branches:
      - master
  pull_request:
jobs:
  test:
    name: Test on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
    steps:
    # Set up Flutter and add it to the path.
    - name: Clone Flutter repository with master channel.
      uses: actions/checkout@v2
      with:
        repository: 'flutter/flutter'
        ref: 'master'
        path: 'flutter'
        fetch-depth: 0
    - name: Add Flutter to the PATH for Unix.
      run: echo "::add-path::/$GITHUB_WORKSPACE/flutter/bin"
      if: runner.os != 'Windows'
    - name: Add Flutter to the PATH for Windows.
      run: echo "::add-path::${env:GITHUB_WORKSPACE}\flutter\bin"
      if: runner.os == 'Windows'
    - name: Run Flutter doctor.
      run: flutter doctor -v

    # Clone the Gallery repository under `code`, to avoid conflicts with `flutter`.
    - name: Clone the Gallery repository.
      uses: actions/checkout@v2
      with:
        path: 'code'

    # Run the tests for the repository.
    - name: Get packages for the Flutter project.
      run: flutter pub get
      working-directory: code
    - name: Analyze the project's Dart code.
      run: flutter analyze
      working-directory: code
    - name: Ensure the Dart code is formatted correctly.
      run: flutter format --set-exit-if-changed --dry-run .
      working-directory: code
    - name: Run Flutter unit tests.
      run: flutter test
      working-directory: code

    # Run custom scripts defined in `tool/grind.dart`.
    - name: Verify that localizations are up to date.
      run: flutter pub run grinder verify-l10n
      working-directory: code
      # TODO: Enable verify-l10n for Windows when it behaves the same as on macOS/Ubuntu:
      # https://github.com/material-components/material-components-flutter-gallery/issues/565
      if: runner.os != 'Windows'
    - name: Verify that code segments are up to date.
      run: flutter pub run grinder verify-code-segments
      working-directory: code
      # TODO: Enable verify-code-segments for Unix and Windows when it behaves the same as on macOS:
      # https://github.com/material-components/material-components-flutter-gallery/issues/565
      if: runner.os == 'macOS'