import "reflect-metadata" import { closeTestingConnections, createTestingConnections, reloadTestingDatabases, } from "../../utils/test-utils" import { DataSource } from "../../../src/data-source/DataSource" import { Post } from "./entity/Post" import { expect } from "chai" describe("other issues > double inheritance produces multiple duplicated columns", () => { let connections: DataSource[] before( async () => (connections = await createTestingConnections({ entities: [__dirname + "/entity/*{.js,.ts}"], })), ) beforeEach(() => reloadTestingDatabases(connections)) after(() => closeTestingConnections(connections)) it("should not produce duplicate columns", () => Promise.all( connections.map(async function (connection) { // insert a post const post = new Post() post.title = "hello" await connection.manager.save(post) // check if it was inserted correctly const loadedPost = await connection.manager.findOneBy(Post, { id: post.id, }) expect(loadedPost).not.to.be.null loadedPost!.title.should.be.equal("hello") }), )) })