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)
            }),
        ))
})