ping testing (#71)

* ping testing

* empty commit

backend/package.json

@@ -13,11 +13,12 @@
     "start:debug": "nest start --debug --watch",
     "start:prod": "node dist/main",
     "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
-    "test": "jest",
+    "test": "npm run test:unit && npm run test:e2e",
     "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:e2e": "jest --config ./test/jest-e2e.json",
+    "test:unit": "jest"
   },
   "dependencies": {
     "@nestjs/common": "^10.0.0",

backend/src/app.controller.spec.ts

@@ -0,0 +1,19 @@
+import { AppController } from './app.controller';
+import { AppService } from './app.service';
+
+describe('AppController', () => {
+  let appController: AppController;
+  let appService: AppService;
+
+  beforeEach(async () => {
+    appService = new AppService();
+    appController = new AppController(appService);
+  });
+
+  describe('getPing', () => {
+    it('should return pong on ping', () => {
+      jest.spyOn(appService, 'getPing').mockReturnValue('pong');
+      expect(appController.getPing()).toBe('pong');
+    });
+  });
+});

backend/test/app.e2e-spec.ts

@@ -1,7 +1,7 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { INestApplication } from '@nestjs/common';
 import * as request from 'supertest';
-import { AppModule } from './../src/app.module';
+import { AppModule } from '../src/app.module';
 
 describe('AppController (e2e)', () => {
   let app: INestApplication;
@@ -15,10 +15,7 @@ describe('AppController (e2e)', () => {
     await app.init();
   });
 
-  it('/ (GET)', () => {
-    return request(app.getHttpServer())
-      .get('/')
-      .expect(200)
-      .expect('Hello World!');
+  it('/ping (GET)', () => {
+    return request(app.getHttpServer()).get('/ping').expect(200).expect('pong');
   });
 });

backend/test/jest-e2e.json

@@ -2,7 +2,7 @@
   "moduleFileExtensions": ["js", "json", "ts"],
   "rootDir": ".",
   "testEnvironment": "node",
-  "testRegex": ".e2e-spec.ts$",
+  "testRegex": ".spec.ts$",
   "transform": {
     "^.+\\.(t|j)s$": "ts-jest"
   }