ReactJS testInstance.findByProps() Method

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 testInstance.findByProps() method. The testInstance.findByProps() method is used to find a single descendant test instance with the provided props.

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

Project Structure: It will look like the following.

Step 3: After creating the ReactJS application, Install the required module using the following command:

npm install react-test-renderer

Example 1:

Output: 

Reference: https://legacy.reactjs.org/docs/test-renderer.html#testinstancefindbyprops