refactor: simplify before for tests

Signed-off-by: virkt25 <[email protected]>

Author: virkt25

src/index.ts

@@ -10,6 +10,7 @@ export {ShoppingApplication};
 
 export async function main(options?: ApplicationConfig) {
   const app = new ShoppingApplication(options);
+
   await app.boot();
   await app.start();
 

test/acceptance/shopping-cart.controller.acceptance.ts

@@ -16,21 +16,8 @@ describe('ShoppingCartController', () => {
   let client: supertest.SuperTest<supertest.Test>;
   const cartRepo = new ShoppingCartRepository(new RedisDataSource());
 
-  before(givenAnApplication);
-
-  before(givenARestServer);
-
-  before(async () => {
-    await app.boot();
-    await app.start();
-  });
-
-  before(() => {
-    client = createClientForHandler(server.requestHandler);
-  });
-
+  before(setupApplication);
   beforeEach(clearDatabase);
-
   after(async () => {
     await app.stop();
   });
@@ -101,16 +88,19 @@ describe('ShoppingCartController', () => {
     expect(newCart.items).to.containEql(newItem.toJSON());
   });
 
-  function givenAnApplication() {
+  async function setupApplication() {
     app = new ShoppingApplication({
       rest: {
         port: 0,
       },
     });
-  }
 
-  async function givenARestServer() {
     server = await app.getServer(RestServer);
+
+    await app.boot();
+    await app.start();
+
+    client = createClientForHandler(server.requestHandler);
   }
 
   async function clearDatabase() {

test/acceptance/user.controller.acceptance.ts

@@ -6,14 +6,15 @@
 import {createClientForHandler, supertest, expect} from '@loopback/testlab';
 import {RestServer} from '@loopback/rest';
 import {ShoppingApplication} from '../..';
-import {UserRepository} from '../../src/repositories';
-import {UserDataSource} from '../../src/datasources';
+import {UserRepository, OrderRepository} from '../../src/repositories';
+import {MongoDataSource} from '../../src/datasources';
 
 describe('UserController', () => {
   let app: ShoppingApplication;
   let server: RestServer;
   let client: supertest.SuperTest<supertest.Test>;
-  const userRepo = new UserRepository(new UserDataSource());
+  const orderRepo = new OrderRepository(new MongoDataSource());
+  const userRepo = new UserRepository(new MongoDataSource(), orderRepo);
 
   const user = {
     email: '[email protected]',
@@ -22,21 +23,8 @@ describe('UserController', () => {
     surname: 'User',
   };
 
-  before(givenAnApplication);
-
-  before(givenARestServer);
-
-  before(async () => {
-    await app.boot();
-    await app.start();
-  });
-
-  before(() => {
-    client = createClientForHandler(server.requestHandler);
-  });
-
+  before(setupApplication);
   beforeEach(clearDatabase);
-
   after(async () => {
     await app.stop();
   });
@@ -109,23 +97,27 @@ describe('UserController', () => {
   it('returns a user with given id when GET /user/{id} is invoked', async () => {
     const newUser = await userRepo.create(user);
     delete newUser.password;
+    delete newUser.orders;
     // MongoDB returns an id object we need to convert to string
     // since the REST API returns a string for the id property.
     newUser.id = newUser.id.toString();
 
     await client.get(`/users/${newUser.id}`).expect(200, newUser.toJSON());
   });
 
-  function givenAnApplication() {
+  async function setupApplication() {
     app = new ShoppingApplication({
       rest: {
         port: 0,
       },
     });
-  }
 
-  async function givenARestServer() {
     server = await app.getServer(RestServer);
+
+    await app.boot();
+    await app.start();
+
+    client = createClientForHandler(server.requestHandler);
   }
 
   async function clearDatabase() {