import {
	closeTestingConnections,
	createTestingConnections,
	reloadTestingDatabases,
} from '../../utils/test-utils';
import { DataSource } from '../../../src/data-source/DataSource';
import { EntitySchema, In } from '../../../src';
import { Author, AuthorSchema } from './entity/Author';
import { Post, PostSchema } from './entity/Post';

describe("github issues > #4156 QueryExpressionMap doesn't clone all values correctly", () => {
	let connections: DataSource[];
	before(
		async () =>
			(connections = await createTestingConnections({
				entities: [new EntitySchema<Author>(AuthorSchema), new EntitySchema<Post>(PostSchema)],
				dropSchema: true,
				enabledDrivers: ['postgres'],
			})),
	);
	beforeEach(() => reloadTestingDatabases(connections));
	after(() => closeTestingConnections(connections));

	async function prepareData(connection: DataSource) {
		const author = new Author();
		author.id = 1;
		author.name = 'Jane Doe';
		await connection.manager.save(author);

		const post = new Post();
		post.id = 1;
		post.title = 'Post 1';
		post.author = author;
		await connection.manager.save(post);
	}

	it('should not error when the query builder has been cloned', () =>
		Promise.all(
			connections.map(async (connection) => {
				await prepareData(connection);

				const qb = connection.manager.createQueryBuilder('Post', 'post');

				const [loadedPost1, loadedPost2] = (await Promise.all([
					qb.clone().where({ id: 1 }).getOne(),
					qb
						.clone()
						.where({ id: In([1]) })
						.getOne(),
				])) as Post[];

				loadedPost1!.should.be.eql({
					id: 1,
					title: 'Post 1',
				});

				loadedPost2!.should.be.eql({
					id: 1,
					title: 'Post 1',
				});
			}),
		));

	it('should not error when the query builder with where statement has been cloned', () =>
		Promise.all(
			connections.map(async (connection) => {
				await prepareData(connection);

				const qb = connection.manager.createQueryBuilder('Post', 'post').where({ id: 1 });

				const [loadedPost1, loadedPost2] = (await Promise.all([
					qb.clone().getOne(),
					qb.clone().getOne(),
				])) as Post[];

				loadedPost1!.should.be.eql({
					id: 1,
					title: 'Post 1',
				});

				loadedPost2!.should.be.eql({
					id: 1,
					title: 'Post 1',
				});
			}),
		));
});