make-coverage-html.yml

# yamllint disable rule:line-length
# This workflow runs make coverage/html and verifies that the coverage HTML report is generated.
# yamllint enable rule:line-length

---
name: Make Coverage HTML

env:
  REPORT_DIR: "coverage/lcov-report"
  REPORT_FILE: "index.html"

on: # yamllint disable-line rule:truthy
  push:
    branches: ["main"]
  pull_request:
    branches: ["main"]
  workflow_dispatch:

jobs:
  make-coverage-html:
    name: "Run make coverage/html and verify coverage HTML"
    runs-on: ubuntu-24.04

    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
      - name: Set up Node.js
        uses: actions/setup-node@v7
        with:
          node-version: 26.x

      - name: Tool test
        run: |
          echo "Node.js version:"
          node --version
          echo "GNU make version:"
          make --version

      - name: Run coverage HTML target
        run: make coverage/html

      - name: Verify coverage HTML artifact
        shell: bash
        run: |
          if [ ! -f $REPORT_DIR/$REPORT_FILE ]; then
            echo "Coverage HTML file not found: $REPORT_DIR/$REPORT_FILE"
            exit 1
          fi
          if [ ! -s $REPORT_DIR/$REPORT_FILE ]; then
            echo "Coverage HTML file is empty: $REPORT_DIR/$REPORT_FILE"
            exit 1
          fi

      - name: Upload coverage HTML artifact
        uses: actions/upload-artifact@v7
        with:
          name: coverage-report-html
          path: ${{ env.REPORT_DIR }}