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ReactJS TestRenderer.unmount() Method

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  • Last Updated : 03 Jun, 2021

React.js library is all about splitting the app into several components. Each Component has its own lifecycle. React provides us some in-built methods that we can override at particular stages in the life-cycle of the component.

In this article, we will know how to use TestRenderer.unmount() method. TestRenderer.unmount() method is used to unmount the test renderer tree.

Creating React Application And Installing Module:

  • Step 1: Create a React application using the following command

    npx create-react-app foldername

  • Step 2: After creating your project folder i.e. foldername, move to it using the following command.

    cd foldername
  • Step 3: Install the required module using the following command:

    npm i react-test-renderer

Project Structure: It will look like the following.



import React from 'react';
import TestRenderer from 'react-test-renderer';
// Defining our App Component
const App = () => {
// Function to demonstrate TestRenderer.unmount() method
function func(){
    const renderer = TestRenderer.create(
                TestRenderer.unmount() method
// Returning our JSX code
return <>
// Exporting your Default App Component
export default App



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