Handle ad.updated integration events

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

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+import { AdUpdatedMessageHandler } from '@modules/ad/interface/message-handlers/ad-updated.message-handler';
+import { CommandBus } from '@nestjs/cqrs';
+import { Test, TestingModule } from '@nestjs/testing';
+
+const adUpdatedMessage =
+  '{"data": {"id":"4eb6a6af-ecfd-41c3-9118-473a507014d4","driver":"true","passenger":"true","frequency":"PUNCTUAL","fromDate":"2023-08-18","toDate":"2023-08-18","schedule":[{"day":"5","time":"10:00","margin":"900"}],"seatsProposed":"3","seatsRequested":"1","strict":"false","waypoints":[{"position":"0","houseNumber":"5","street":"rue de la monnaie","locality":"Nancy","postalCode":"54000","country":"France","lon":"48.689445","lat":"6.17651"},{"position":"1","locality":"Paris","postalCode":"75000","country":"France","lon":"48.8566","lat":"2.3522"}]}}';
+
+const mockCommandBus = {
+  execute: jest.fn(),
+};
+
+describe('Ad Updated Message Handler', () => {
+  let adUpdatedMessageHandler: AdUpdatedMessageHandler;
+
+  beforeAll(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [
+        {
+          provide: CommandBus,
+          useValue: mockCommandBus,
+        },
+        AdUpdatedMessageHandler,
+      ],
+    }).compile();
+
+    adUpdatedMessageHandler = module.get<AdUpdatedMessageHandler>(
+      AdUpdatedMessageHandler,
+    );
+  });
+
+  afterEach(async () => {
+    jest.clearAllMocks();
+  });
+
+  it('should be defined', () => {
+    expect(adUpdatedMessageHandler).toBeDefined();
+  });
+
+  it('should update an ad', async () => {
+    await adUpdatedMessageHandler.adUpdated(adUpdatedMessage);
+    expect(mockCommandBus.execute).toHaveBeenCalledTimes(1);
+  });
+});