name: Build/test

on: [push]

jobs:
  test:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-20.04]
        java: [8, 11, 13, 15]
      fail-fast: false
    name: JDK ${{ matrix.java }}

    steps:
    - uses: actions/checkout@v1
    - name: Set up JDK
      uses: actions/setup-java@v1
      with:
        java-version: ${{ matrix.java }}
    - 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: Test with Maven
      run: mvn verify -B --file pom.xml