feat(websockets): add websockets service

packages/websockets/src/Domain/UseCase/AddWebSocketsConnection/AddWebSocketsConnection.spec.ts

@@ -0,0 +1,26 @@
+import 'reflect-metadata'
+import { Logger } from 'winston'
+import { WebSocketsConnectionRepositoryInterface } from '../../WebSockets/WebSocketsConnectionRepositoryInterface'
+
+import { AddWebSocketsConnection } from './AddWebSocketsConnection'
+
+describe('AddWebSocketsConnection', () => {
+  let webSocketsConnectionRepository: WebSocketsConnectionRepositoryInterface
+  let logger: Logger
+
+  const createUseCase = () => new AddWebSocketsConnection(webSocketsConnectionRepository, logger)
+
+  beforeEach(() => {
+    webSocketsConnectionRepository = {} as jest.Mocked<WebSocketsConnectionRepositoryInterface>
+    webSocketsConnectionRepository.saveConnection = jest.fn()
+
+    logger = {} as jest.Mocked<Logger>
+    logger.debug = jest.fn()
+  })
+
+  it('should save a web sockets connection for a user for further communication', async () => {
+    await createUseCase().execute({ userUuid: '1-2-3', connectionId: '2-3-4' })
+
+    expect(webSocketsConnectionRepository.saveConnection).toHaveBeenCalledWith('1-2-3', '2-3-4')
+  })
+})