test coverage

.github/workflows/jacoco.yml

@@ -0,0 +1,66 @@
+name: build
+
+on:
+  push:
+    branches: [ feat/CS-36689-compare-merge-branch ]
+    paths: [ '**.java', '.github/workflows/jacoco.yml', 'pom.xml' ]
+  pull_request:
+    branches: [ feat/CS-36689-compare-merge-branch ]
+  workflow_dispatch:
+
+jobs:
+  jacoco-java-maven:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+
+
+    - name: Set up JDK 17
+      uses: actions/setup-java@v3
+      with:
+        distribution: 'adopt'
+        java-version: '17'
+
+    - name: Build with Maven
+      run: mvn -B package -Pcoverage
+
+    - name: Generate JaCoCo badge
+      id: jacoco
+      uses: cicirello/jacoco-badge-generator@v2
+      with:
+        badges-directory: badges
+        generate-branches-badge: true
+        generate-summary: true
+
+    - name: Log coverage percentages to workflow output
+      run: |
+        echo "coverage = ${{ steps.jacoco.outputs.coverage }}"
+        echo "branches = ${{ steps.jacoco.outputs.branches }}"
+
+    - name: Upload JaCoCo coverage report as a workflow artifact
+      uses: actions/upload-artifact@v3
+      with:
+        name: jacoco-report
+        path: target/site/jacoco/
+
+
+    - name: Comment on PR with coverage percentages
+      if: ${{ github.event_name == 'pull_request' }}
+      run: |
+        REPORT=$(<badges/coverage-summary.json)
+        COVERAGE=$(jq -r '.coverage' <<< "$REPORT")%
+        BRANCHES=$(jq -r '.branches' <<< "$REPORT")%
+        NEWLINE=$'\n'
+        BODY="## JaCoCo Test Coverage Summary Statistics${NEWLINE}* __Coverage:__ ${COVERAGE}${NEWLINE}* __Branches:__ ${BRANCHES}"
+        gh pr comment ${{github.event.pull_request.number}} -b "${BODY}"
+      continue-on-error: true
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Get the Coverage info
+      run: |
+        echo "Total coverage ${{ steps.jacoco.outputs.coverage-overall }}"
+        echo "Changed Files coverage ${{ steps.jacoco.outputs.coverage-changed-files }}"