What are some advanced usage techniques for Jest snapshots?
An example of an AI chatbot conversation about advanced techniques for using Jest snapshots.
What are some advanced usage techniques for Jest snapshots?
Advanced usage of Jest snapshots includes using custom serializers, updating snapshots selectively, and testing complex components.
Can you explain how to create custom serializers?
Sure! You can create a custom serializer by defining a function that formats your component's output and then registering it with Jest.
What about updating snapshots selectively?
You can update snapshots selectively by using the -u flag with Jest or by running jest --updateSnapshot for specific tests.
Are there any best practices for using snapshots?
Yes, best practices include keeping snapshots small, using them for UI components, and avoiding them for complex logic.
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