undeexcepturi/tests/Connection.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 type { QueryResult } from '@mikro-orm/core';
import { Configuration, Connection } from '@mikro-orm/core';
import { MongoDriver } from '@mikro-orm/mongodb';
import { PostgreSqlDriver } from '@mikro-orm/postgresql';

class CustomConnection extends Connection {

  protected client: any;

  override async close(force?: boolean): Promise<void> {
    return undefined;
  }

  connect(): void {
    return undefined;
  }

  async execute(query: string, params?: any[], method?: 'all' | 'get' | 'run'): Promise<QueryResult | any | any[]> {
    return undefined;
  }

  getDefaultClientUrl(): string {
    return '';
  }

  async isConnected(): Promise<boolean> {
    return false;
  }

  async checkConnection(): Promise<{ ok: boolean; reason?: string; error?: Error }> {
    return { ok: false, reason: 'foo' };
  }

}

describe('Connection', () => {

  test('by default it throws when trying to use transactions', async () => {
    const conn = new CustomConnection(new Configuration({ driver: MongoDriver }, false));
    await expect(conn.transactional(async () => void 0)).rejects.toThrow('Transactions are not supported by current driver');
    await expect(conn.begin()).rejects.toThrow('Transactions are not supported by current driver');
    await expect(conn.commit({} as any)).rejects.toThrow('Transactions are not supported by current driver');
    await expect(conn.rollback({} as any)).rejects.toThrow('Transactions are not supported by current driver');
  });

  test('special characters in username and password', async () => {
    const options = { driver: PostgreSqlDriver, clientUrl: 'pg://user%40:passw%40rd@host:1234/db%40name' } as const;
    const conn = new CustomConnection(new Configuration(options, false));
    expect(conn.getConnectionOptions()).toMatchObject({
      host: 'host',
      port: 1234,
      user: 'user@',
      password: 'passw@rd',
      database: 'db@name',
    });
  });

});