import React from "react"; import "@testing-library/jest-dom/extend-expect"; import { render, fireEvent } from "@testing-library/react"; import Button from "../button"; test("click on button", () => { const onClick = jest.fn(); const { queryByTestId } = render( ); expect(queryByTestId("btn")).toBeTruthy(); fireEvent.click(queryByTestId("btn")); expect(onClick).toHaveBeenCalled(); }); test("does not call click on disabled button", () => { const onClick = jest.fn(); const { queryByTestId } = render( ); expect(queryByTestId("btn")).toBeTruthy(); expect(queryByTestId("btn")).toHaveClass("disabled"); fireEvent.click(queryByTestId("btn")); expect(onClick).toHaveBeenCalledTimes(0); });