expeditavoluptas
Version:
TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, PostgreSQL and SQLite databases as well as usage with vanilla JavaScript.
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text/typescript
import { BetterSqliteDriver } from '@mikro-orm/better-sqlite';
import {
Entity,
MikroORM,
PrimaryKey,
Embedded,
Embeddable,
Property,
} from '@mikro-orm/core';
()
export class Settings {
()
name: string;
constructor(settings: Settings) {
this.name = settings.name;
}
}
()
export class User {
()
id: number;
({ entity: 'Settings' })
settings: Settings;
constructor(user: User) {
this.id = user.id;
this.settings = new Settings(user.settings);
}
}
let orm: MikroORM<BetterSqliteDriver>;
beforeAll(async () => {
orm = await MikroORM.init({
entities: [User, Settings],
dbName: ':memory:',
driver: BetterSqliteDriver,
});
const generator = orm.schema;
await generator.ensureDatabase();
await generator.dropSchema();
await generator.createSchema();
});
afterAll(() => orm.close(true));
test('insert an object with embeddable using a QueryBuilder', async () => {
const foo = new User({ id: 1, settings: { name: 'foo' } });
const bar = new User({ id: 2, settings: { name: 'bar' } });
const repo = orm.em.getRepository(User);
await repo.createQueryBuilder().insert([foo, bar]);
expect(await repo.findOneOrFail(1)).toEqual(foo);
expect(await repo.findOneOrFail(2)).toEqual(bar);
});
test('update an object with embeddable using a QueryBuilder', async () => {
const foo = new User({ id: 1, settings: { name: 'eh' } });
const bar = new User({ id: 2, settings: { name: 'oh' } });
const repo = orm.em.getRepository(User);
await repo.createQueryBuilder().update({ settings: foo.settings }).where({ id: foo.id });
await repo.createQueryBuilder().update({ settings: bar.settings }).where({ id: bar.id });
expect(await repo.findOneOrFail(1)).toEqual(foo);
expect(await repo.findOneOrFail(2)).toEqual(bar);
});