user updated message handler

src/modules/authentication/tests/unit/interface/user-updated.message-handler.spec.ts

@@ -0,0 +1,100 @@
+import { UserUpdatedMessageHandler } from '@modules/authentication/interface/message-handlers/user-updated.message-handler';
+import { CommandBus } from '@nestjs/cqrs';
+import { Test, TestingModule } from '@nestjs/testing';
+
+const userEmailUpdatedMessage =
+  '{"userId":"2436d413-b7c7-429e-9792-b78edc17b3ca","email":"new-john.doe@email.com"}';
+
+const userPhoneUpdatedMessage =
+  '{"userId":"2436d413-b7c7-429e-9792-b78edc17b3ca","phone":"+33611224455"}';
+
+const userBirthDateUpdatedMessage =
+  '{"userId":"2436d413-b7c7-429e-9792-b78edc17b3ca","birthDate":"1976-10-23"}';
+
+const userIdNotProvidedUpdatedMessage =
+  '{"user":"2436d413-b7c7-429e-9792-b78edc17b300","email":"new-john.doe@email.com"}';
+
+const mockCommandBus = {
+  execute: jest
+    .fn()
+    .mockImplementationOnce(() => 'new-john.doe@email.com')
+    .mockImplementationOnce(() => '+33611224455'),
+};
+
+describe('User Updated Message Handler', () => {
+  let userUpdatedMessageHandler: UserUpdatedMessageHandler;
+
+  beforeAll(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [
+        {
+          provide: CommandBus,
+          useValue: mockCommandBus,
+        },
+        UserUpdatedMessageHandler,
+      ],
+    }).compile();
+
+    userUpdatedMessageHandler = module.get<UserUpdatedMessageHandler>(
+      UserUpdatedMessageHandler,
+    );
+  });
+
+  afterEach(async () => {
+    jest.clearAllMocks();
+  });
+
+  it('should be defined', () => {
+    expect(userUpdatedMessageHandler).toBeDefined();
+  });
+
+  it('should update an email username', async () => {
+    jest.spyOn(mockCommandBus, 'execute');
+    await userUpdatedMessageHandler.userUpdated(userEmailUpdatedMessage);
+    expect(mockCommandBus.execute).toHaveBeenCalledTimes(1);
+  });
+
+  it('should update a phone username', async () => {
+    jest.spyOn(mockCommandBus, 'execute');
+    await userUpdatedMessageHandler.userUpdated(userPhoneUpdatedMessage);
+    expect(mockCommandBus.execute).toHaveBeenCalledTimes(1);
+  });
+
+  it('should not update a username if message does not contain email nor phone', async () => {
+    jest.spyOn(mockCommandBus, 'execute');
+    await userUpdatedMessageHandler.userUpdated(userBirthDateUpdatedMessage);
+    expect(mockCommandBus.execute).toHaveBeenCalledTimes(0);
+  });
+
+  it('should not update a username if userId is unknown', async () => {
+    jest.spyOn(mockCommandBus, 'execute');
+    await userUpdatedMessageHandler.userUpdated(
+      userIdNotProvidedUpdatedMessage,
+    );
+    expect(mockCommandBus.execute).toHaveBeenCalledTimes(0);
+  });
+
+  // it('should throw a dedicated RpcException if username already exists', async () => {
+  //   jest.spyOn(mockCommandBus, 'execute');
+  //   expect.assertions(3);
+  //   try {
+  //     await updateUsernameGrpcController.updateUsername(updateUsernameRequest);
+  //   } catch (e: any) {
+  //     expect(e).toBeInstanceOf(RpcException);
+  //     expect(e.error.code).toBe(RpcExceptionCode.ALREADY_EXISTS);
+  //   }
+  //   expect(mockCommandBus.execute).toHaveBeenCalledTimes(1);
+  // });
+
+  // it('should throw a generic RpcException', async () => {
+  //   jest.spyOn(mockCommandBus, 'execute');
+  //   expect.assertions(3);
+  //   try {
+  //     await updateUsernameGrpcController.updateUsername(updateUsernameRequest);
+  //   } catch (e: any) {
+  //     expect(e).toBeInstanceOf(RpcException);
+  //     expect(e.error.code).toBe(RpcExceptionCode.UNKNOWN);
+  //   }
+  //   expect(mockCommandBus.execute).toHaveBeenCalledTimes(1);
+  // });
+});