name: Browser testing CI
on: [push, pull_request]
jobs:
  test:
    strategy:
      matrix:
        os: [ubuntu-18.04, macos-10.15, windows-2019]
        browser: [ChromeHeadless, FirefoxHeadless]
    runs-on: ${{ matrix.os }}
    steps:
    - name: Checkout repository
      uses: actions/checkout@v2
    - name: Setup Node.js
      uses: actions/setup-node@v1
      with:
        node-version: 12
    - name: Install dependencies
      run: npm ci
    - name: Run tests
      run: npx karma start ./tests/karma.conf.js --browsers ${{ matrix.browser }} --single-run