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

describe("github issues > #3350 ER_DUP_FIELDNAME with simple find", () => {
    let connections: DataSource[]
    before(
        async () =>
            (connections = await createTestingConnections({
                entities: [__dirname + "/entity/*{.js,.ts}"],
                subscribers: [__dirname + "/subscriber/*{.js,.ts}"],
                enabledDrivers: ["mysql"],
            })),
    )
    beforeEach(() => reloadTestingDatabases(connections))
    after(() => closeTestingConnections(connections))

    it("should find without errors", () =>
        Promise.all(
            connections.map(async function (connection) {
                const post = new Post()
                post.category = new Category()
                post.category.name = "new category"
                await connection.manager.save(post.category)
                await connection.manager.save(post)

                const loadedPost = await connection
                    .getRepository(Post)
                    .findOne({
                        where: {
                            id: 1,
                        },
                        relations: {
                            category: true,
                        },
                    })
                expect(loadedPost).to.be.not.empty
                expect(loadedPost!.category).to.be.not.empty
            }),
        ))
})