nestjs test db
// ../test/db.ts
import { TypeOrmModuleOptions } from '@nestjs/typeorm';
import { EntitySchema } from 'typeorm';
type Entity = Function | string | EntitySchema<any>;
export const createTestConfiguration = (
entities: Entity[],
): TypeOrmModuleOptions => ({
type: 'sqlite',
database: ':memory:',
entities,
dropSchema: true,
synchronize: true,
logging: false,
});nestjs test db
// books.service.test.ts
import { Test, TestingModule } from '@nestjs/testing';
import { HttpModule, HttpService } from '@nestjs/common';
import { TypeOrmModule, getRepositoryToken } from '@nestjs/typeorm';
import { Repository } from 'typeorm';
import { BooksService } from './books.service';
import { Book } from './book.entity';
import { createTestConfiguration } from '../../test/db';
describe('BooksService', () => {
let module: TestingModule;
let service: BooksService;
let httpService: HttpService;
let repository: Repository<Book>;
beforeAll(async () => {
module = await Test.createTestingModule({
imports: [
HttpModule,
TypeOrmModule.forRoot(createTestConfiguration([Book])),
TypeOrmModule.forFeature([Book]),
],
providers: [BooksService],
}).compile();
httpService = module.get<HttpService>(HttpService);
service = module.get<BooksService>(BooksService);
repository = module.get<Repository<Book>>(getRepositoryToken(Book));
});
afterAll(() => {
module.close();
});
it('should be defined', () => {
expect(service).toBeDefined();
});nestjs test db
/* src/utils/testing-helpers/createMemDB.js */
import { createConnection, EntitySchema } from 'typeorm'
type Entity = Function | string | EntitySchema<any>
export async function createMemDB(entities: Entity[]) {
return createConnection({
// name, // let TypeORM manage the connections
type: 'sqlite',
database: ':memory:',
entities,
dropSchema: true,
synchronize: true,
logging: false
})
}Copyright © 2021 Codeinu
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