I have a react component(this is simplified in order to demonstrate the issue):  class MyComponent extends Component {     handleNameInput = (value) => {         this.searchDish(value);     };      searchDish = (value) => {       //Do something...

I'm trying to write a simple test for a simple React component, and I want to use Jest to confirm that a function has been called when I simulate a click with enzyme. According to the Jest docs, I should be able to use spyOn to do this: spyOn.  H...

I recently wanted to test that some custom method gets conditionally called in the componentDidMount method of a React component.  componentDidMount() {   if (this.props.initOpen) {     this.methodName();   } }   I'm using Jest as my testing fram...

Simulating a button click seems like a very easy/standard operation. Yet, I can't get it to work in Jest.js tests.   This is what I tried (and also doing it using jquery), but it didn't seem to trigger anything:  import { mount } from 'en...

Using the code from this answer to solve clicking outside of a component:  componentDidMount() {     document.addEventListener('mousedown', this.handleClickOutside); }  componentWillUnmount() {     document.removeEventListener('mousedown&...

Currently Im using functional component with react hooks. But i unable to test the useState Hook completely. Consider a scenario like, in useEffect hook i'm doing api call and setting value in the useState. For jest/enzyme i have mock data to tes...

I've looked at various suggestions to solve testing a class property with no success and was wondering if anyone could possibly cast a little more light on where I may be going wrong, here are the tests I've tried all with the error Expected...

Unfortunately, where I am working, we do not do unit tests on React Components. As I am fairly new to the industry as well, I have no experience whatsoever writing unit tests for software. This puts me in an odd predicament when trying to learn on my...

I'm having some difficulty testing a component with jest and enzyme.  What I would like to do is test submitting the form without a value in the name field.  This will make certain that the component is displaying an error.  However, when I run t...

This post follows up with my previous question:  previous question  I have come across a test which requires me to run mount in react native. I have gone through the documentation in jest and have found that before running the test suite you specific...