feature: compatibility with various IDEs

src/app.controller.spec.ts

@@ -1,5 +1,4 @@
 import { Test, TestingModule } from '@nestjs/testing';
-import { INestApplication } from '@nestjs/common';
 import { AppController } from './app.controller';
 import { AppService } from './app.service';
 
@@ -13,10 +12,10 @@ describe('AppController', () => {
     }).compile();
   });
 
-  describe('root', () => {
+  describe('getHello', () => {
     it('should return "Hello World!"', () => {
       const appController = app.get<AppController>(AppController);
-      expect(appController.root()).toBe('Hello World!');
+      expect(appController.getHello()).toBe('Hello World!');
     });
   });
 });

src/app.controller.ts

@@ -6,7 +6,7 @@ export class AppController {
   constructor(private readonly appService: AppService) {}
 
   @Get()
-  root(): string {
-    return this.appService.root();
+  getHello(): string {
+    return this.appService.getHello();
   }
 }

src/app.service.ts

@@ -2,7 +2,7 @@ import { Injectable } from '@nestjs/common';
 
 @Injectable()
 export class AppService {
-  root(): string {
+  getHello(): string {
     return 'Hello World!';
   }
 }