linux_llvm_cov.yml

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name: Ubuntu 22.04 (llvm cov)

on:
  pull_request:
    branches:
      - main
      - fix_coverage_show
      - 0.3.8.2

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  prerequisites:
    runs-on: ubuntu-22.04
    permissions: write-all
    outputs:
      id: ${{ steps.get-base-commit.outputs.id }}
    steps:
      - name: 'Get Base Commit id'
        id: get-base-commit
        run: |
          sudo apt install -y jq
          base_commit_id=$(curl -s -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" -H "Accept: application/vnd.github.v3+json" https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }} | jq -r .base.sha)
          echo "::set-output name=id::$base_commit_id"
        shell: bash
      - name: 'Store Message'
        run: |
          mkdir -p ./msg
          echo "action_id=${{github.run_id}}" >> ./msg/action_msg
          echo "pr_id=${{github.event.pull_request.number}}" >> ./msg/action_msg
        shell: bash
      - name: 'Upload Action Message'
        uses: actions/upload-artifact@v4
        with:
          name: action_msg
          path: msg/

  base-cov-test:
    needs: prerequisites
    runs-on: ubuntu-22.04
    outputs:
      data: ${{ steps.base-cov.outputs.data }}
    steps:
      - name: 'Checkout source code'
        uses: actions/checkout@v4
      - name: 'Base coverage test'
        id: base-cov
        uses: ./.github/actions/coverage
        with:
          reset-commit-id: ${{ needs.prerequisites.outputs.id }}

  cov-test:
    needs: prerequisites
    runs-on: ubuntu-22.04
    outputs:
      data: ${{ steps.cov.outputs.data }}
    steps:
      - name: 'Checkout source code'
        uses: actions/checkout@v4
      - name: 'Coverage test'
        id: cov
        uses: ./.github/actions/coverage
        with:
          reset-commit-id: ""

  compare-cov-data:
    needs:
      - base-cov-test
      - cov-test
    runs-on: ubuntu-22.04
    steps:
      - name: 'Compare data'
        run: |
            sudo apt install -y bc
            result=$(echo "${{ needs.cov-test.outputs.data }} > 70" | bc)
            if [ "$result" -ne 1 ];then
                echo "coverage cannot be lower than 70%!"
                exit 1
            fi
            result=$(echo "${{ needs.cov-test.outputs.data }} > $(echo "${{ needs.base-cov-test.outputs.data}} * 0.97" | bc)" | bc)
            if [ "$result" -ne 1 ];then
                echo "coverage has decreased over 3%!"
                exit 1
            fi
        shell: bash