process.env.NODE_ENV = 'test'; import { Test } from '@nestjs/testing'; import { UploadPartCommand, CompleteMultipartUploadCommand, CreateMultipartUploadCommand, S3Client, PutObjectCommand } from '@aws-sdk/client-s3'; import { mockClient } from 'aws-sdk-client-mock'; import { GlobalModule } from '@/GlobalModule.js'; import { CoreModule } from '@/core/CoreModule.js'; import { S3Service } from '@/core/S3Service'; import { Meta } from '@/models'; import type { TestingModule } from '@nestjs/testing'; describe('S3Service', () => { let app: TestingModule; let s3Service: S3Service; const s3Mock = mockClient(S3Client); beforeAll(async () => { app = await Test.createTestingModule({ imports: [GlobalModule, CoreModule], providers: [S3Service], }).compile(); app.enableShutdownHooks(); s3Service = app.get<S3Service>(S3Service); }); beforeEach(async () => { s3Mock.reset(); }); afterAll(async () => { await app.close(); }); describe('upload', () => { test('upload a file', async () => { s3Mock.on(PutObjectCommand).resolves({}); await s3Service.upload({ objectStorageRegion: 'us-east-1' } as Meta, { Bucket: 'fake', Key: 'fake', Body: 'x', }); }); test('upload a large file', async () => { s3Mock.on(CreateMultipartUploadCommand).resolves({ UploadId: '1' }); s3Mock.on(UploadPartCommand).resolves({ ETag: '1' }); s3Mock.on(CompleteMultipartUploadCommand).resolves({ Bucket: 'fake', Key: 'fake' }); await s3Service.upload({} as Meta, { Bucket: 'fake', Key: 'fake', Body: 'x'.repeat(8 * 1024 * 1024 + 1), // デフォルトpartSizeにしている 8 * 1024 * 1024 を越えるサイズ }); }); test('upload a file error', async () => { s3Mock.on(PutObjectCommand).rejects({ name: 'Fake Error' }); await expect(s3Service.upload({ objectStorageRegion: 'us-east-1' } as Meta, { Bucket: 'fake', Key: 'fake', Body: 'x', })).rejects.toThrowError(Error); }); test('upload a large file error', async () => { s3Mock.on(UploadPartCommand).rejects(); await expect(s3Service.upload({} as Meta, { Bucket: 'fake', Key: 'fake', Body: 'x'.repeat(8 * 1024 * 1024 + 1), // デフォルトpartSizeにしている 8 * 1024 * 1024 を越えるサイズ })).rejects.toThrowError(Error); }); }); });