I'm trying to add some tests to my application, but when I installed react-testing-library and jest-dom, I wrote this test, test if componentDidMount is called:  import { render } from "react-testing-library";  import { QuestionContainer...
I am trying to do a simple unit test in React to test to see if a component renders. Unfortunately, when I type yarn test it will return something like this:  > react-scripts test  FAIL  src/components/OfficeProduction/GrossCommissionIncome/GCI_Ta...
I have 2 components that i am learning to test with react-testing-library but i am stuck in the middle.  My components is NestedLists.js  import React from 'react'  export const NestedLists = ({filteredData}) => {     return (         <...
Disclaimer; I'm a bit new to react-testing-library (been using an admittedly older version of Enzyme) and the Apollo Query/MockedProvider components (been using the client via a JS service object),  so this may be a stupid question...  I have a c...
Code   let basicProps = {   inCart: false,   quantity: 0,   min: 1,   max: 10,   productData: mockProductData };  const mockData = {   inCart: true,   quantity: 1,   min: 1 };  const mockOnAddToCart = jest.fn(async (data, props) => {   const newPr...
I've built multiple React functional components using Hooks and Context.  Everything works fine.  Now I need to write tests for everything.  I'm confused about how to move forward with some of them so wanted to reach out to the community.  Ac...
When testing components with React Testing Library, I find myself starting with getBy*, and occasionally needing to replace it with queryBy* (for example if I need to check for the non-existence of an element). My tests end up with a mix of getBy and...
I am using DOM Testing Library, not React Testing Library, but there was no tag for the former so I used the latter because that seems to be the closest match. Hope that's ok.  I have an authentication form whose submit button contains the text &...
Should an element's text contents be tested, or only the visibility thereof? I think this is a question of what is an implementation detail.  Example:  it('renders post body', async () => {     getPost.resolves(fakePost)     const { ge...
You can reproduce the problem in the following codesandbox:    As an example I've made a component which uses the following code to get a random image each time the form button is clicked:  import { Button } from "antd"; ... class Continu...

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