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test/health.e2e-spec.ts

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+import { INestApplication } from '@nestjs/common';
+import { Test, TestingModule } from '@nestjs/testing';
+import request, { Response } from 'supertest';
+import { AppModule } from '../src/app.module';
+import { HealthStatus } from '../src/modules/health/health.service';
+
+describe('HealthController (e2e)', () => {
+  let app: INestApplication;
+
+  beforeAll(async () => {
+    const moduleFixture: TestingModule = await Test.createTestingModule({
+      imports: [AppModule],
+    }).compile();
+
+    app = moduleFixture.createNestApplication();
+    await app.init();
+  });
+
+  afterAll(async () => {
+    await app.close();
+  });
+
+  it('GET /health retorna 200 com status da API e do banco', () => {
+    return request(app.getHttpServer() as Parameters<typeof request>[0])
+      .get('/health')
+      .expect(200)
+      .expect((res: Response) => {
+        const body = res.body as HealthStatus;
+        expect(body.status).toBeDefined();
+        expect(body.database).toBeDefined();
+        expect(body.timestamp).toBeDefined();
+      });
+  });
+});