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

describe("github issues > #1118 findByIds must return empty results if no criteria were passed in an array", () => {
    let connections: DataSource[]
    before(
        async () =>
            (connections = await createTestingConnections({
                entities: [__dirname + "/entity/*{.js,.ts}"],
            })),
    )
    beforeEach(() => reloadTestingDatabases(connections))
    after(() => closeTestingConnections(connections))

    it("drivers which does not support offset without limit should throw an exception, other drivers must work fine", () =>
        Promise.all(
            connections.map(async (connection) => {
                const post = new Post()
                post.name = "post #1"
                await connection.manager.save(post)

                await connection.manager
                    .findByIds(Post, [1])
                    .should.eventually.eql([
                        {
                            id: 1,
                            name: "post #1",
                        },
                    ])

                await connection.manager
                    .findByIds(Post, [])
                    .should.eventually.eql([])
            }),
        ))
})