chore: added jest coverage setup (#4871)

* chore: added jest coverage setup

* chore: added sample test changes

* chore: revert sample code change

* chore: changed script to add yarn install handle and removed checkouts to develop

* chore: added fix for checkout issue

* chore: added fix for checkout issue

* chore: added fix for checkout issue

* chore: added fix for checkout issue

* chore: added sample test changes

* chore: revert sample test cases

* chore: adding coverage threshold

* chore: added coverage threshold and sample test code

* chore: testing fetch and checkout

* chore: testing fetch and checkout

* chore: testing fetch and checkout

* chore: testing fetch and checkout

* chore: testing fetch and checkout

* chore: testing fetch and checkout

* chore: testing fetch and checkout

* chore: testing fetch and checkout

* chore: testing fetch and checkout

* chore: testing fetch and checkout

* chore: testing fetch and checkout

* chore: testing fetch and checkout

* chore: testing fetch and checkout

* chore: testing fetch and checkout

* chore: testing fetch and checkout

* chore: testing fetch and checkout

* chore: code cleanup and threshold adjustment

* chore: testing fetch and checkout

.github/workflows/jest-coverage-changes.yml

@@ -0,0 +1,31 @@
+name: Jest Coverage - changed files
+
+on:
+  pull_request:
+    branches: develop
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: "refs/heads/develop"
+          token: ${{ secrets.GITHUB_TOKEN }} # Provide the GitHub token for authentication
+
+      - name: Fetch branch
+        run: git fetch origin ${{ github.event.pull_request.head.ref }}
+
+      - run: |
+          git checkout ${{ github.event.pull_request.head.sha }}
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+
+      - name: Install dependencies
+        run: cd frontend && npm install -g yarn && yarn
+
+      - name: npm run test:changedsince
+        run: cd frontend && npm run i18n:generate-hash && npm run test:changedsince

frontend/jest.config.ts

@@ -35,6 +35,14 @@ const config: Config.InitialOptions = {
 			browsers: ['chromium', 'firefox', 'webkit'],
 		},
 	},
+	coverageThreshold: {
+		global: {
+			statements: 80,
+			branches: 65,
+			functions: 80,
+			lines: 80,
+		},
+	},
 };
 
 export default config;

frontend/package.json

@@ -21,7 +21,9 @@
 		"playwright:codegen:local": "playwright codegen http://localhost:3301",
 		"playwright:codegen:local:auth": "yarn playwright:codegen:local --load-storage=tests/auth.json",
 		"husky:configure": "cd .. && husky install frontend/.husky && cd frontend && chmod ug+x .husky/*",
-		"commitlint": "commitlint --edit $1"
+		"commitlint": "commitlint --edit $1",
+		"test": "jest --coverage",
+		"test:changedsince": "jest --changedSince=develop --coverage --silent"
 	},
 	"engines": {
 		"node": ">=16.15.0"