tests.yml

name: tests

on:
  push:
    branches:
      - main
  pull_request:
    types:
      - opened
      - synchronize
      - reopened
    branches:
      - main

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
      with:
        fetch-depth: 0 # Shallow clones should be disabled for a better relevancy of analysis
    - name: Set up JDK 17
      uses: actions/setup-java@v4.6.0
      with:
        java-version: '17'
        distribution: 'corretto'
        cache: maven
    - name: Cache Maven packages
      uses: actions/cache@v4.2.0
      with:
        path: ~/.m2
        key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
        restore-keys: ${{ runner.os }}-m2
    # As of 2025-01-02, this does not work due to the following error:
    # Warning: EACCES: permission denied, scandir '/var/lib/docker'
    # There are many threads about caching docker layers:
    # https://github.com/orgs/community/discussions/26330
    # https://github.com/actions/cache/issues/31
    # https://github.com/actions/cache/issues/81
    # https://github.com/actions/cache/issues/1224
    # Most solutions seem focused on caching built images, no pulled images.
    # - name: Cache Docker layers
    #   uses: actions/cache@v4.2.0
    #   with:
    #     path: /var/lib/docker
    #     key: ${{ runner.os }}-docker-layer-cache
    #     restore-keys: ${{ runner.os }}-docker-layer-cache
    - name: Build and analyze
      run: |
        mvn                                                    \
        -B                                                     \
        clean                                                  \
        verify                                                 \
        --file pom.xml