undeexcepturi/tests/features/schema-generator/GH3230.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 { Collection, Entity, ManyToOne, MikroORM, OneToMany, PrimaryKey, Property } from '@mikro-orm/core';
import { MySqlDriver } from '@mikro-orm/mysql';

@Entity()
export class Author {

  @PrimaryKey({ columnType: 'mediumint' })
  id!: number;

  @Property()
  name!: string;

  @OneToMany(() => Book, book => book.author)
  books = new Collection<Book>(this);

}

@Entity()
export class Book {

  @PrimaryKey({ columnType: 'mediumint' })
  bookId!: number;

  @Property()
  title!: string;

  @ManyToOne(() => Author)
  author!: Author;

}

let orm: MikroORM;

beforeAll(async () => {
  orm = await MikroORM.init({
    entities: [Author, Book],
    dbName: `mikro_orm_test_gh_3230`,
    driver: MySqlDriver,
    port: 3308,
  });
  await orm.schema.ensureDatabase();
  await orm.schema.dropSchema();
});

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

test('mediumint column type in mysql as FK', async () => {
  const sql = await orm.schema.getCreateSchemaSQL();
  expect(sql).toMatchSnapshot();
  await orm.schema.execute(sql);
  const diff = await orm.schema.getUpdateSchemaSQL();
  expect(diff).toBe('');
});