health controller

src/health/health.controller.spec.ts

@@ -0,0 +1,33 @@
+import { Test, TestingModule } from '@nestjs/testing';
+import { HealthController } from './health.controller';
+import { HealthCheckService, TerminusModule } from '@nestjs/terminus';
+
+describe('HealthController', () => {
+  let controller: HealthController;
+  const mockedCheckServiceCall = jest.fn().mockResolvedValue(() => {
+    return { status: 'ok', info: {}, error: {}, details: {} };
+  });
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      controllers: [HealthController],
+      providers: [
+        {
+          provide: HealthCheckService,
+          useValue: {
+            check: mockedCheckServiceCall,
+          },
+        },
+      ],
+      imports: [TerminusModule],
+    }).compile();
+
+    controller = module.get<HealthController>(HealthController);
+  });
+
+  it('should be defined', () => {
+    expect(controller).toBeDefined();
+    controller.check();
+    expect(mockedCheckServiceCall).toHaveBeenCalledTimes(1);
+  });
+});

src/health/health.controller.ts

@@ -0,0 +1,13 @@
+import { Controller, Get } from '@nestjs/common';
+import { HealthCheck, HealthCheckService } from '@nestjs/terminus';
+
+@Controller('health')
+export class HealthController {
+  constructor(private health: HealthCheckService) {}
+
+  @Get()
+  @HealthCheck()
+  check() {
+    return this.health.check([]);
+  }
+}