name: PR testing

on:
  pull_request:
    branches: [ master ]

jobs:
  mavenTesting:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - name: Cache local Maven repository
      uses: actions/cache@v2
      with:
        path: ~/.m2/repository
        key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
        restore-keys: |
          ${{ runner.os }}-maven-
    - name: Set up the Java JDK
      uses: actions/setup-java@v2
      with:
        java-version: '11'
        distribution: 'adopt'

    - name: Run all tests
      run: |
        mvn -B clean test -DskipTests=false --file pom.xml
        if [ -f "target/site/jacoco/index.html" ]; then echo "Total coverage: $(cat target/site/jacoco/index.html | grep -o 'Total[^%]*%' | grep -o '[0-9]*%')"; fi

    - name: Log coverage percentage
      run: |
        if [ ! -f "target/site/jacoco/index.html" ]; then echo "No coverage information available"; fi
        if [ -f "target/site/jacoco/index.html" ]; then echo "Total coverage: $(cat target/site/jacoco/index.html | grep -o 'Total[^%]*%' | grep -o '[0-9]*%')"; fi