test(platform-fastify): add tests for raw body option in fastify adapter

Author: tolgap

integration/nest-application/raw-body/e2e/fastify.spec.ts

@@ -0,0 +1,36 @@
+import { NestFastifyApplication } from '@nestjs/platform-fastify';
+import { Test } from '@nestjs/testing';
+import { expect } from 'chai';
+import * as request from 'supertest';
+import { FastifyModule } from '../src/fastify.module';
+
+describe('Raw body (Fastify Application)', () => {
+  let app: NestFastifyApplication;
+  const body = '{ "amount":0.0 }';
+
+  beforeEach(async () => {
+    const moduleFixture = await Test.createTestingModule({
+      imports: [FastifyModule],
+    }).compile();
+
+    app = moduleFixture.createNestApplication<NestFastifyApplication>(null, {
+      rawBody: true,
+    });
+  });
+
+  it('should return exact post body', async () => {
+    await app.init();
+    const response = await request(app.getHttpServer())
+      .post('/')
+      .set('Content-Type', 'application/json')
+      .set('Accept', 'application/json')
+      .send(body)
+      .expect(201);
+
+    expect(response.body).to.eql({ raw: '{ "amount":0.0 }' });
+  });
+
+  afterEach(async () => {
+    await app.close();
+  });
+});

integration/nest-application/raw-body/src/fastify.controller.ts

@@ -0,0 +1,10 @@
+import { Controller, Post, Req } from '@nestjs/common';
+import { FastifyRequest } from 'fastify';
+
+@Controller()
+export class FastifyController {
+  @Post()
+  getRawBody(@Req() req: FastifyRequest) {
+    return { raw: req.rawBody.toString() };
+  }
+}

integration/nest-application/raw-body/src/fastify.module.ts

@@ -0,0 +1,7 @@
+import { Module } from '@nestjs/common';
+import { FastifyController } from './fastify.controller';
+
+@Module({
+  controllers: [FastifyController],
+})
+export class FastifyModule {}