feat(GOV-009): 建立后端契约与健康检查

2026-08-13 17:26:51 +08:00
parent 3fc703de0b
commit 420aa22342
32 changed files with 1625 additions and 8 deletions
@@ -0,0 +1,85 @@
+import type { INestApplication } from '@nestjs/common';
+import { Test } from '@nestjs/testing';
+import request from 'supertest';
+import { afterEach, describe, expect, it } from 'vitest';
+
+import { HealthController } from '../src/health.controller';
+import {
+  HealthService,
+  MYSQL_HEALTH_PORT,
+  REDIS_HEALTH_PORT,
+  type DependencyHealthPort,
+} from '../src/health.service';
+
+describe('GET /api/v1/health', () => {
+  let app: INestApplication | undefined;
+
+  afterEach(async () => {
+    await app?.close();
+    app = undefined;
+  });
+
+  async function createApp(
+    redis: DependencyHealthPort,
+    mysql: DependencyHealthPort,
+  ): Promise<INestApplication> {
+    const moduleRef = await Test.createTestingModule({
+      controllers: [HealthController],
+      providers: [
+        HealthService,
+        { provide: REDIS_HEALTH_PORT, useValue: redis },
+        { provide: MYSQL_HEALTH_PORT, useValue: mysql },
+      ],
+    }).compile();
+    const nestApp = moduleRef.createNestApplication();
+    nestApp.setGlobalPrefix('api/v1');
+    await nestApp.init();
+    return nestApp;
+  }
+
+  it('依赖健康时返回 200 与 RocketMQ disabled', async () => {
+    app = await createApp(
+      { check: async () => ({ status: 'healthy', detail: 'PONG' }) },
+      { check: async () => ({ status: 'healthy', detail: 'MySQL 5.7' }) },
+    );
+
+    const response = await request(app.getHttpServer()).get('/api/v1/health').expect(200);
+
+    expect(response.body).toMatchObject({
+      status: 'healthy',
+      process: 'api',
+      dependencies: {
+        redis: { status: 'healthy' },
+        mysql: { status: 'healthy' },
+        rocketMq: { status: 'disabled' },
+      },
+    });
+  });
+
+  it('依赖失败时返回 503 且不泄漏错误中的敏感值', async () => {
+    app = await createApp(
+      { check: async () => ({ status: 'unavailable', detail: 'TEST_SENSITIVE_VALUE' }) },
+      { check: async () => ({ status: 'healthy', detail: 'MySQL 5.7' }) },
+    );
+
+    const response = await request(app.getHttpServer()).get('/api/v1/health').expect(503);
+    const serialized = JSON.stringify(response.body);
+
+    expect(response.body.status).toBe('unavailable');
+    expect(serialized).not.toContain('TEST_SENSITIVE_VALUE');
+  });
+
+  it('有意禁用的可选依赖不降低 API 总体状态', async () => {
+    app = await createApp(
+      { check: async () => ({ status: 'healthy', detail: 'PONG' }) },
+      { check: async () => ({ status: 'disabled', detail: 'MySQL 未启用' }) },
+    );
+
+    const response = await request(app.getHttpServer()).get('/api/v1/health').expect(200);
+
+    expect(response.body).toMatchObject({
+      status: 'healthy',
+      dependencies: { mysql: { status: 'disabled' } },
+    });
+  });
+});