github-ci.yml

name: GitHub CI

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

jobs:

  general-checks-test-coverage:
    name: General checks, tests and coverage reporting
    runs-on: ubuntu-latest
    steps:

    - uses: actions/checkout@v4.2.1

    - name: Use Node.js v20.11.0
      uses: actions/setup-node@v4.0.4
      with:
        node-version: 20.11.0

    - name: Install dependencies
      run: npm ci

    - name: Perform checks and tests
      run: npm test

    - name: Send report to Coveralls
      uses: coverallsapp/github-action@v2.3.4
      with:
        github-token: ${{ secrets.GITHUB_TOKEN }}

  test-matrix:
    name: Unit / Integration tests on Node.js ${{ matrix.node-version }} and ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        node-version: [20, 22]
        os: [ubuntu-latest, windows-latest, macOS-latest]
    runs-on: ${{ matrix.os }}
    steps:

    - uses: actions/checkout@v4.2.1

    - name: Use Node.js ${{ matrix.node-version }}
      uses: actions/setup-node@v4.0.4
      with:
        node-version: ${{ matrix.node-version }}

    # Using 'install' instead of 'ci' as npm v7 doesn't run the 'prepare' script
    # (see https://github.com/npm/cli/issues/1905)
    - run: npm install
      name: Install dependencies

    - run: npm ls --prod
      name: Check for missing / extraneous dependencies

    - run: npm run unit
      name: Run unit tests

    - run: npm run integration
      name: Run integration tests

  # Test matrix for older karma versions to ensure compatibility
  test-karma-matrix:
    name: Integration tests with karma v${{matrix.karma-version}}
    strategy:
      fail-fast: false
      matrix:
        karma-version: [
          "4.3.0", # minimum v4.x version as defined in package.json#peerDependencies
          "4",     # latest v4.x
          "5"      # latest v5.x
        ]
    runs-on: ubuntu-latest
    steps:

    - uses: actions/checkout@v4.2.1

    - name: Use Node.js LTS 20.x
      uses: actions/setup-node@v4.0.4
      with:
        node-version: 20.x

    - name: Install dependencies
      run: npm ci

    - name: Install karma v${{matrix.karma-version}}
      run: npm i -D karma@${{matrix.karma-version}}

    - name: Run integration tests
      run: npm run integration