Test coverage, test for app service

backend/package.json

@@ -13,12 +13,11 @@
     "start:debug": "nest start --debug --watch",
     "start:prod": "node dist/main",
     "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
-    "test": "npm run test:unit && npm run test:e2e",
+    "test": "jest",
     "test:watch": "jest --watch",
     "test:cov": "jest --coverage",
     "test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
-    "test:e2e": "jest --config ./test/jest-e2e.json",
-    "test:unit": "jest"
+    "test:e2e": "jest --config ./test/jest-e2e.json"
   },
   "dependencies": {
     "@nestjs/common": "^10.0.0",
@@ -65,6 +64,13 @@
       "**/*.(t|j)s"
     ],
     "coverageDirectory": "../coverage",
-    "testEnvironment": "node"
+    "testEnvironment": "node",
+    "coverageThreshold": {
+      "global": {
+        "lines": 90,
+        "functions": 90,
+        "branches": 90
+      }
+    }
   }
 }

backend/src/app.controller.spec.ts

@@ -11,7 +11,7 @@ describe('AppController', () => {
   });
 
   describe('getPing', () => {
-    it('should return pong on ping', () => {
+    it('should call getPing in app service', () => {
       jest.spyOn(appService, 'getPing').mockReturnValue('pong');
       expect(appController.getPing()).toBe('pong');
     });

backend/src/app.service.spec.ts

@@ -0,0 +1,15 @@
+import { AppService } from './app.service';
+
+describe('AppController', () => {
+  let appService: AppService;
+
+  beforeEach(async () => {
+    appService = new AppService();
+  });
+
+  describe('getPing', () => {
+    it('should return pong on getPing', () => {
+      expect(appService.getPing()).toBe('pong');
+    });
+  });
+});