code-coverage.yml

name: code-coverage

on:
  push:
    branches:
    - master # build after merging code to master

  pull_request:
    branches:
    - master # build after opening a new PR

  schedule:
    - cron: '0 2 * * *' # run at 2 AM UTC

jobs:
  coverage:
    runs-on: ubuntu-latest

    steps:
      - name: checkout repository code
        uses: actions/checkout@v2

      - name: Set up JDK
        uses: actions/setup-java@v2
        with:
          java-version: 16
          distribution: 'adopt'

      - name: Install botan
        run: sudo apt-get install -y botan

      - name: Build with Maven
        run: mvn --batch-mode --update-snapshots verify -Pcoverage

      - name: Generate JaCoCo Badge
        id: jacoco
        uses: cicirello/jacoco-badge-generator@v2
        with:
          generate-branches-badge: true
          generate-summary: true
          fail-on-coverage-decrease: true
          fail-on-branches-decrease: true

      - name: Log coverage percentages to workflow output
        run: |
          echo "coverage = ${{ steps.jacoco.outputs.coverage }}"
          echo "branches = ${{ steps.jacoco.outputs.branches }}"

      - name: Add new badge
        uses: EndBug/add-and-commit@v7
        with:
          default_author: github_actions
          message: '[ci/cd] upload code coverage badge'
          add: '*.svg'

      - name: Upload JaCoCo coverage report as a workflow artifact
        uses: actions/upload-artifact@v2
        with:
          name: jacoco-report
          path: target/site/jacoco/