Top "React-test-renderer" questions

This package provides an experimental React renderer that can be used to render React components to pure JavaScript objects, without depending on the DOM or a native mobile environment.

How to test a react component that is dependent on useContext hook?

I have a component that uses useContext and then its output is dependent on the value in the context. A …

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Jestjs how to test function being called inside another function

For testing I use jest and react-test-renderer. It should be simple to test, however I have a hard time finding …

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Testing React components that fetches data using Hooks

My React-application has a component that fetches data to display from a remote server. In the pre-hooks era, componentDidMount() was …

reactjs jestjs enzyme react-hooks react-test-renderer
How to test snapshots with Jest and new React lazy 16.6 API

I have to components imported with the new React lazy API (16.6). import React, {PureComponent, lazy} from 'react'; const Component1 = lazy(() =&…

javascript reactjs unit-testing jestjs react-test-renderer
React testing button property disable

I cannot write correct test case for button property disable. I use TestUtils from react-addons-test-utils. I have very simple component: …

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React Jest how to test if a span contains some certain text from mount snapshot?

I am testing a component that does not have any id for me to be able to select from Jest, …

reactjs jestjs enzyme react-test-renderer
ReactTestUtils has been moved

I'm starting learning React and while I was doing some tests i noticed two warning messages: Warning: ReactTestUtils has been …

reactjs unit-testing react-test-renderer