test(chat-service): add test case for attachment file (#1396)

add test case of has many relation for attachment file

GH-1395

services/chat-service/src/__tests__/acceptance/helper.ts

@@ -7,6 +7,7 @@ import {
   createRestAppClient,
   givenHttpServerConfig,
 } from '@loopback/testlab';
+import {AuthenticationBindings} from 'loopback4-authentication';
 import {ChatApplication} from '../application';
 
 export async function setUpApplication(): Promise<AppWithClient> {
@@ -23,7 +24,11 @@ export async function setUpApplication(): Promise<AppWithClient> {
   await app.start();
 
   const client = createRestAppClient(app);
-
+  app.bind(AuthenticationBindings.CURRENT_USER).to({
+    id: 1,
+    username: 'test_user',
+    password: 'test_password',
+  });
   return {app, client};
 }
 

services/chat-service/src/__tests__/unit/message-repository.unit.ts

@@ -0,0 +1,45 @@
+import {expect} from '@loopback/testlab';
+import {setUpApplication} from '../acceptance/helper';
+import {ChatApplication} from '../application';
+import {MessageRepository} from '../../repositories';
+describe('supports @has many', () => {
+  let app: ChatApplication;
+  let messageRepo: MessageRepository;
+  const messageObj = {
+    body: 'Test message',
+    channelId: 'test channel',
+    channelType: 'testchannel type',
+  };
+  before('setupApplication', async () => {
+    ({app} = await setUpApplication());
+  });
+  after(async () => {
+    await app.stop();
+  });
+  before(givenRepositories);
+  afterEach(deleteMockData);
+  it('fetch messages with associated message file', async () => {
+    const message = await messageRepo.create(messageObj);
+    const file1 = await messageRepo.attachmentFiles(message.id).create({
+      fileKey: 'test_file1.txt',
+    });
+    const file2 = await messageRepo.attachmentFiles(message.id).create({
+      fileKey: 'test_file2.txt',
+    });
+    const filter = {
+      where: {id: message.id},
+      include: [{relation: 'attachmentFiles'}],
+    };
+    const messagesWithFiles = await messageRepo.find(filter);
+    const messageFiles = messagesWithFiles[0].attachmentFiles;
+    expect(messagesWithFiles[0].id).to.equal(message.id);
+    expect(messageFiles[0].fileKey).to.equal(file1.fileKey);
+    expect(messageFiles[1].fileKey).to.equal(file2.fileKey);
+  });
+  async function givenRepositories() {
+    messageRepo = await app.getRepository(MessageRepository);
+  }
+  async function deleteMockData() {
+    await messageRepo.deleteAllHard();
+  }
+});