What are custom matchers in Jest?
Custom matchers in Jest allow you to create your own assertions to enhance your testing capabilities.
Can you give me an example of a custom matcher?
Sure! You can create a custom matcher like toBeEven()
to check if a number is even.
How do I implement this custom matcher?
You can implement it by extending Jest's matchers in your test file using expect.extend()
.
Is there a way to share custom matchers across multiple test files?
Yes, you can create a separate file for your custom matchers and import it in your test files.
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