What is Shallow Renderer in React testing?

Posted by Prem Tiwari | Updated on

What is Shallow Renderer in React testing?

Shallow rendering is useful for writing unit test cases in React. It lets you render a component one level deep and assert facts about what its render method returns, without worrying about the behavior of child components, which are not instantiated or rendered.

For example, if you have the following component:

Then you can assert as follows:

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