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

describe('github issues > #1720 Listener not invoked when relation loaded through getter', () => {
	let connections: DataSource[];
	before(
		async () =>
			(connections = await createTestingConnections({
				entities: [__dirname + '/entity/*{.js,.ts}'],
				enabledDrivers: ['postgres', 'sqlite-pooled'],
			})),
	);
	beforeEach(() => reloadTestingDatabases(connections));
	after(() => closeTestingConnections(connections));

	it('should work as expected', () =>
		Promise.all(
			connections.map(async (connection) => {
				const category1 = new Category();
				category1.name = 'cat #1';
				await connection.manager.save(category1);

				const category2 = new Category();
				category2.name = 'cat #2';
				await connection.manager.save(category2);

				const post1 = new Post();
				post1.title = 'post #1';
				post1.categories = [category1, category2];
				await connection.manager.save(post1);

				const [loadedPost] = await connection.manager.find(Post, {
					relations: { categories: true },
				});
				loadedPost!.categories[0].loaded.should.be.equal(true);
				loadedPost!.categories[1].loaded.should.be.equal(true);
			}),
		));
});