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

describe("github issues > #3142 Unique constraint not created on embedded entity field", () => {
    let connections: DataSource[]
    before(
        async () =>
            (connections = await createTestingConnections({
                entities: [__dirname + "/entity/*{.js,.ts}"],
                subscribers: [__dirname + "/subscriber/*{.js,.ts}"],
                enabledDrivers: ["postgres"],
            })),
    )
    beforeEach(() => reloadTestingDatabases(connections))
    after(() => closeTestingConnections(connections))

    it("should create unique constraint on embedded entity", () =>
        Promise.all(
            connections.map(async function (connection) {
                const queryRunner = connection.createQueryRunner()
                const table = await queryRunner.getTable("person")
                await queryRunner.release()

                expect(table!.uniques.length).to.be.equal(2)
                const contactUnique = table!.uniques.find(
                    (unique) => unique.columnNames.indexOf("email") !== 0,
                )
                expect(contactUnique).to.be.exist
            }),
        ))
})