# This workflow will build a Java project with Maven
# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven

name: Headless CI Tests

on: [ push, pull_request ]

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v5
    - name: Set up JDK 11
      uses: actions/setup-java@v5
      with:
        distribution: 'zulu'
        java-version: 11
    - name: Cache Maven packages
      uses: actions/cache@v5
      with:
        path: ~/.m2
        key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
        restore-keys: ${{ runner.os }}-m2
    - name: Run HeadLessTest with Maven
      run: |
        # run tests using maven with graphics suppressed
        mvn test "-Djmri.skipTestsRequiringSeparateRunning=true"  "-Djava.awt.headless=true" "-Dsurefire.printSummary=false"