undeexcepturi/tests/issues/GH459.test.ts

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.

import { Entity, PrimaryKey, Property, MikroORM } from '@mikro-orm/sqlite';

abstract class A {

  @PrimaryKey()
  id!: number;

}

abstract class B extends A {

  @Property()
  foo!: string;

}

abstract class C extends B {

  @Property()
  bar!: string;

}

@Entity()
class D extends C {

  @Property()
  name!: string;

}

describe('GH issue 459', () => {

  let orm: MikroORM;

  beforeAll(async () => {
    orm = await MikroORM.init({
      entities: [A, B, C, D],
      dbName: ':memory:',
    });
    await orm.schema.dropSchema();
    await orm.schema.createSchema();
  });

  afterAll(() => orm.close(true));

  test(`multiple inheritance`, async () => {
    const sql = 'create table `d` (`id` integer not null primary key autoincrement, `foo` text not null, `bar` text not null, `name` text not null);\n\n';
    expect(await orm.schema.getCreateSchemaSQL({ wrap: false })).toBe(sql);

    const d = new D();
    d.name = 'name';
    d.foo = 'foo';
    d.bar = 'bar';
    await orm.em.persistAndFlush(d);
    orm.em.clear();

    const d1 = await orm.em.findOneOrFail(D, d.id);
    expect(d1).toMatchObject({ id: d.id, foo: 'foo', bar: 'bar', name: 'name' });
  });

});