import "reflect-metadata"
import {
    closeTestingConnections,
    createTestingConnections,
    reloadTestingDatabases,
} from "../../utils/test-utils"
import { Connection } from "../../../src/connection/Connection"
import { expect } from "chai"
import { TestEntity } from "./entity/TestEntity"

describe("github issues > #8527 cannot clear database inside a transaction.", () => {
    let connections: Connection[]

    before(
        async () =>
            (connections = await createTestingConnections({
                entities: [TestEntity],
                enabledDrivers: ["postgres", "sqlite", "mysql"],
                dropSchema: true,
                schemaCreate: true,
            })),
    )
    beforeEach(() => reloadTestingDatabases(connections))
    after(() => closeTestingConnections(connections))

    it("should not fail when clearing a database inside a transaction", () =>
        Promise.all(
            connections.map(async (connection) => {
                const queryRunner = connection.createQueryRunner()
                await queryRunner.startTransaction()
                await expect(queryRunner.clearDatabase()).not.to.be.rejected
                await queryRunner.commitTransaction()
                await queryRunner.release()
            }),
        ))
})