nestjs/throttler 6.x issue

throttler.spec.ts

import { Test } from "@nestjs/testing";
import { Controller, INestApplication, Post, UseGuards } from "@nestjs/common";
import * as supertest from "supertest";
import { Throttle, ThrottlerGuard, ThrottlerModule } from "@nestjs/throttler";

@Controller('test/throttle')
class ThrottleTestController {
 
   @UseGuards(ThrottlerGuard)
   @Throttle({ default: { limit: 1, ttl: 1000 } })
   @Post()
   async testThrottle() {
      return {
         code: "THROTTLE_TEST",
      };
   }
}

describe("Throttle Test", () => {
   let app: INestApplication;

   beforeAll(async () => {
      const module = await Test.createTestingModule({
         imports: [
            ThrottlerModule.forRoot([{ ttl: 60000, limit: 10 }]),
         ],
         controllers: [ThrottleTestController],
      }).compile();
      
      app = module.createNestApplication();
      await app.init();
   });

   test("throttler blocking", async() => {
      const st = supertest(app.getHttpServer());
      await st.post("/test/throttle").expect(201);
      
      // Confirm that we can request again after 1000ms
      await new Promise(r => setTimeout(r, 1000));
      await st.post("/test/throttle").expect(201);

      // next request should be blocked
      await st.post("/test/throttle").expect(429);
      
      // additional requests should be blocked
      await st.post("/test/throttle").expect(429);
   });

   afterAll(async () => {
      await app.close();
   });
});