---
name: Java CI

on:
  push:
    # https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#example-excluding-paths
    paths-ignore:
      - 'docs/**'
      - '**.md'
  pull_request:
    paths-ignore:
      - 'docs/**'
      - '**.md'

jobs:
  test:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ ubuntu-18.04 ]
        java: [ 8 ]
      fail-fast: false
      max-parallel: 16
    name: Test JDK ${{ matrix.java }}, ${{ matrix.os }}

    steps:
      - uses: actions/checkout@v3
      - name: Set up JDK
        uses: actions/setup-java@v3
        with:
          distribution: 'zulu'
          java-version: ${{ matrix.java }}
          cache: 'maven'
      - name: Build with Maven
        run: ./mvnw -Pgen-javadoc clean package -B
      - name: Generate code coverage
        run: ./mvnw -Pgen-code-cov clean test
      # https://github.com/marketplace/actions/codecov
      - uses: codecov/codecov-action@v3
        with:
          name: codecov-umbrella
          token: ${{ secrets.CODECOV_TOKEN }}