import 'reflect-metadata';
import { expect } from 'chai';
import { DataSource } from '../../../src';
import {
	closeTestingConnections,
	createTestingConnections,
	reloadTestingDatabases,
} from '../../utils/test-utils';
import { Example } from './entity/Example';
import { ExampleText } from './entity/ExampleText';

describe('github issues > #7882  .findOne reduces relations to an empty array', () => {
	let connections: DataSource[];
	before(async () => {
		connections = await createTestingConnections({
			enabledDrivers: ['sqlite', 'sqlite-pooled'],
			entities: [Example, ExampleText],
			schemaCreate: false,
			dropSchema: true,
		});
	});
	beforeEach(() => reloadTestingDatabases(connections));
	after(() => closeTestingConnections(connections));

	it('should delete all documents related to search pattern', () =>
		Promise.all(
			connections.map(async (connection) => {
				const relations = { exampleText: true };

				const repo = connection.getRepository(Example);

				await repo.find({ relations });

				expect(relations).to.be.eql({ exampleText: true });
			}),
		));
});