import 'reflect-metadata';
import { expect } from 'chai';
import {
	closeTestingConnections,
	createTestingConnections,
	reloadTestingDatabases,
} from '../../utils/test-utils';
import { DataSource } from '../../../src/data-source/DataSource';
import { Post } from './entity/Post';
import { Category } from './entity/Category';

describe('github issues > #1576 Entities with null as `id` are merged [@next]', () => {
	let connections: DataSource[];
	before(
		async () =>
			(connections = await createTestingConnections({
				entities: [__dirname + '/entity/*{.js,.ts}'],
				enabledDrivers: ['postgres'],
			})),
	);
	beforeEach(() => reloadTestingDatabases(connections));
	after(() => closeTestingConnections(connections));

	it('should successfully create object', () =>
		Promise.all(
			connections.map(async (connection) => {
				const newpost = new Post();
				let cat1 = new Category();
				cat1.name2 = '1';
				let cat2 = new Category();
				cat2.name = '2';
				newpost.categories = [cat1, cat2];

				const post = connection.manager.create(Post, newpost);

				expect(post.categories).to.have.length(2);
			}),
		));
});