Why do we have to call super(props) in constructor react?
super(props) is required to be called in constructor to access this.props. If it is not called in constructor, then this.props will be undefined in constructor.
How to test routes (react router dom) in react using jest and memory router – 2
Learn how to test the routes in react. In part 2 of the post, we will look into testing the routes using the MemoryRouter object.
How to test routes (react router dom) in react using jest – 1
Learn how to test the routes in React. In part 1 of the post, we will look into testing the routes using an object of pathname and component name.
How to unit test state of the component using jest and enzyme
Learn how to unit test the state of the component and spying on the instance method and accessing UI components inside the component.
How to write unit test cases for asynchronous code Axios or fetch library in React using jest and enzyme
Learn how to write unit test cases for Axios and Fetch library and mock the api calls to test in development mode.
How to unit test the timer functions – setTimeout and setInterval in React using jest
Learn how to write unit test cases for timer functions like settimeout and setinterval in React using jest and enzyme library.
Learn unit testing in React using react testing library
There are many libraries available for React.JS testing. You would have probably heard about Jest, Enzyme, React Test Utils, React Testing Library, Dom Testing Library
Adding buttons below recyclerview android
Learn how to add button at bottom in recylerview in android
What is purecomponent in react
Purecomponent, as the name suggests, is a component which has same output for a given prop and state. When our React component are pure(as stated
Difference between brittle and non-brittle tests in React JS
Brittle tests test the implementation, while non brittle tests test the functionality. In this tutorial, we are going to learn the difference using examples.