react-testing-library-article-4

sum.test.tsx

import React from "react";
import { render, cleanup, fireEvent } from "@testing-library/react";
import Sum from "./Sum";

describe("Sum", () => {

   it('should have two inputs to add the numbers', () => {
    const { getByTestId } = render(<Sum />);
    
    const firstInput = getByTestId("value1");
    const secondInput = getByTestId("value2");
    
    expect(firstInput).toBeTruthy();
    expect(secondInput).toBeTruthy();
  });
});