mutations-testing.yml

name: Mutations testing
on:
  schedule:
    - cron:  '0 23 * * *'
  workflow_dispatch:
    inputs:
      branch:
        type: string
        description: "The branch to run tests against"
        default: "development"
      mutations_threshold:
        type: number
        description: "Minimum % of passing mutations tests"
        default: 70

env:
  MUTATIONS_THRESHOLD: 70

jobs:
  mutations-testing:
    name: Run mutations testing
    runs-on: ubuntu-22.04
    outputs:
      ARTIFACT_URL: ${{ steps.mutations-test-step.outputs.reports_artifact_url }}
    steps:
      - name: Check out repository
        uses: actions/checkout@v4
        with:
          ref: development
          fetch-depth: 2

      - name: Check for daily commits
        id: check-commits
        run: |
          # Get the timestamp 24 hours ago in ISO format
          YESTERDAY=$(date -d "24 hours ago" --iso-8601=seconds)

          # Check if there are any commits since yesterday
          COMMIT_COUNT=$(git log --since="$YESTERDAY" --oneline | wc -l)

          if [ $COMMIT_COUNT -eq 0 ]; then
            echo "No commits found in the last 24 hours"
            echo "HAS_CHANGES=false" >> $GITHUB_ENV
          else
            echo "Found $COMMIT_COUNT commits in the last 24 hours"
            echo "HAS_CHANGES=true" >> $GITHUB_ENV
          fi

      - name: Run mutations testing
        if: ${{ env.HAS_CHANGES == 'true' || env.HAS_CHANGES == true }}
        id: mutations-test-step
        uses: ./.github/actions/run-mutations-testing
        with:
          solution_path: plan-technology-for-your-school.sln

  create-issue-if-needed:
    name: Run mutations testing
    runs-on: ubuntu-22.04
    needs: mutations-testing
    env:
      ARTIFACT_URL: ${{needs.mutations-testing.outputs.ARTIFACT_URL}}
    steps:
      - name: Check out repository
        uses: actions/checkout@v4
        with:
          ref: development

      - name: Download arifactt
        uses: actions/download-artifact@v4
        with:
          name: mutations-report
          path: ./artifacts
          run-id: ${{ github.run_id }}

      - name: Get summary
        run: |
          export MUTATIONS_THRESHOLD=${{inputs.mutations_threshold && inputs.mutations_threshold || env.MUTATIONS_THRESHOLD }}
          export MUTATIONS_FILE=$(find artifacts -type f -name "mutation-report.md")

          if [ ! -f "$MUTATIONS_FILE" ]; then
            echo "Error: $MUTATIONS_FILE file not found"
            echo $(ls)
            exit 1
          fi

          MUTATIONS_SCORE=$(grep -E "^## The final mutation score is [0-9]+\.[0-9]+%" $MUTATIONS_FILE | sed -E 's/^## The final mutation score is ([0-9]+\.[0-9]+)%/\1/')

          echo "Mutation score $MUTATIONS_SCORE"
          echo "Threshold $MUTATIONS_THRESHOLD" 

          MUTATIONS_PASSED=$(echo "$MUTATIONS_SCORE >= $MUTATIONS_THRESHOLD" | bc -l)
          if (( $MUTATIONS_PASSED )); then
              echo "Mutation score ($MUTATIONS_SCORE%) meets or exceeds threshold ($MUTATIONS_THRESHOLD%)"
          else
              echo "Mutation score ($MUTATIONS_SCORE%) below threshold ($MUTATIONS_THRESHOLD%)"
          fi

          echo "MUTATIONS_PASSED=$(echo $MUTATIONS_PASSED)" >> $GITHUB_ENV
          echo "MUTATIONS_SCORE=$(echo $MUTATIONS_SCORE)" >> $GITHUB_ENV
          echo "MUTATIONS_THRESHOLD=$(echo $MUTATIONS_THRESHOLD)" >> $GITHUB_ENV

      - name: Create issue
        if: ${{ env.MUTATIONS_PASSED }}
        run: |
          export INPUT_PATH=$(find artifacts -type f -name "mutation-report.md")
          export OUTPUT_PATH=filtered_report_table.md
          export MUTATIONS_THRESHOLD=${{env.MUTATIONS_THRESHOLD}}
          node ./.github/actions/run-mutations-testing/process_mutation_report.js
          REPORT=$(cat $OUTPUT_PATH)

          BODY=$(cat <<EOF
            ### Mutations score below threshold

            The latest mutations test score is **$MUTATIONS_SCORE%**, which is below the minimum threshold of **$MUTATIONS_THRESHOLD%**.

            Below is an excerpt of the results:
            $REPORT

            For the full report [please view the uploaded artifact]($ARTIFACT_URL).
          EOF
          )

          if [[ $CLOSE_PREVIOUS == true ]]; then
            previous_issue_number=$(gh issue list \
              --label "$LABELS" \
              --json number \
              --jq '.[0].number')
            if [[ -n $previous_issue_number ]]; then
              gh issue close "$previous_issue_number"
              gh issue unpin "$previous_issue_number"
            fi
          fi
          new_issue_url=$(gh issue create \
            --title "$TITLE" \
            --label "$LABELS" \
            --body "$BODY")
          if [[ $PINNED == true ]]; then
            gh issue pin "$new_issue_url"
          fi

        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          GH_REPO: ${{ github.repository }}
          TITLE: Mutations Score ${{ env.MUTATIONS_SCORE }} Below Threshold ${{ env.MUTATIONS_THRESHOLD }}
          LABELS: mutations-testing-failed
          PINNED: false
          CLOSE_PREVIOUS: true