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: ["mysql"],
            })),
    )
    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)
            }),
        ))
})