ci: add coverage comment on pull request

.github/workflows/nodejs.yml

@@ -10,6 +10,14 @@ jobs:
     steps:
       - name: Checkout sources 🔰
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Create local branch based on 'origin/main' 🚧
+        run: |
+          git fetch origin main
+          git checkout -b main origin/main
+          git checkout -
 
       - name: Setup Node.js 20 🧮
         uses: actions/setup-node@v4
@@ -38,3 +46,58 @@ jobs:
         run: npm run test
         env:
           CI: true
+
+      - name: Run tests related to current changes ✅
+        run: |
+          npx jest --config=jest.config.js --coverage --coverageReporters json-summary --changedSince=main --coverageDirectory ./coverage/changed
+
+      - name: Check for test results ❓
+        id: check-results
+        run: |
+          if [ -f ./coverage/changed/coverage-summary.json ]; then
+            COVERAGE_CONTENT=$(cat ./coverage/changed/coverage-summary.json)
+            if echo "$COVERAGE_CONTENT" | jq '.total.lines.pct' | grep -q 'Unknown'; then
+              echo "no_tests_found=true" >> $GITHUB_ENV
+            else
+              echo "no_tests_found=false" >> $GITHUB_ENV
+            fi
+          else
+            echo "no_tests_found=true" >> $GITHUB_ENV
+          fi
+
+      - name: Construct jest coverage comment input 💬
+        id: construct-input
+        run: |
+          if [ "${{ env.no_tests_found }}" == "true" ]; then
+            echo "MULTIPLE_FILES=All, ./coverage/all/coverage-summary.json" >> $GITHUB_ENV
+          else
+            echo "MULTIPLE_FILES=All, ./coverage/all/coverage-summary.json\nonly changed, ./coverage/changed/coverage-summary.json" >> $GITHUB_ENV
+          fi
+
+      - name: Jest Coverage Comment 💬
+        uses: MishaKav/jest-coverage-comment@main
+        with:
+          hide-comment: false
+          create-new-comment: false
+          hide-summary: false
+          multiple-files: ${{ env.MULTIPLE_FILES }}
+
+      - name: Get Coverage Comment Id ➡️
+        if: env.no_tests_found == 'true'
+        id: get-comment-id
+        run: |
+          PR_NUMBER=${{ github.event.pull_request.number }}
+          COMMENTS_JSON=$(curl -s -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
+              "https://api.github.com/repos/${{ github.repository }}/issues/${PR_NUMBER}/comments")
+          COVERAGE_COMMENT_ID=$(echo "${COMMENTS_JSON}" | jq -r 'map(select(.user.login == "github-actions[bot]")) | sort_by(.created_at) | .[0].id')
+          echo "COVERAGE_COMMENT_ID=${COVERAGE_COMMENT_ID}" >> $GITHUB_ENV
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Post To No Tests Found Comment ⚠️
+        if: env.no_tests_found == 'true'
+        uses: peter-evans/create-or-update-comment@v4
+        with:
+          comment-id: ${{ env.COVERAGE_COMMENT_ID }}
+          body: |
+            ❌ No tests were found related to the files changed

jest.config.js

@@ -24,7 +24,7 @@ export default {
     'shogunApplicationConfig': '<rootDir>/assets/fallbackConfig.js'
   },
   transformIgnorePatterns: [
-    '<rootDir>/node_modules/(?!@ngrx|(?!deck.gl)|ng-dynamic)'
+    '<rootDir>/node_modules/(?!@ngrx|(?!deck.gl)|ng-dynamic|@monaco-editor)'
   ],
   moduleFileExtensions: [
     'ts',
@@ -34,5 +34,7 @@ export default {
     'json'
   ],
   testEnvironment: 'jsdom',
-  reporters: ['default', '@casualbot/jest-sonar-reporter']
+  reporters: ['default', '@casualbot/jest-sonar-reporter'],
+  coverageReporters: ['json-summary', 'lcov'],
+  coverageDirectory: 'coverage/all'
 };

sonar-project.properties

@@ -3,3 +3,5 @@ sonar.tests=src
 sonar.sources=src
 sonar.test.inclusions=**/*.spec.tsx,**/*.spec.ts
 sonar.projectKey=shogun-admin
+sonar.javascript.lcov.reportPaths=./coverage/all/lcov.info
+sonar.host.url=https://sq.terrestris.de