What are Jest snapshot commands?
An example of an AI chatbot conversation about Jest snapshot commands.
What are Jest snapshot commands and how do I use them?
Jest snapshot commands are used to capture the rendered output of React components and save them for future comparisons.
How do I create a snapshot in Jest?
You can create a snapshot by using the toMatchSnapshot() method in your test cases after rendering your component.
Can I update snapshots if they change?
Yes, you can update snapshots by running Jest with the -u or --updateSnapshot flag.
What happens if a snapshot test fails?
If a snapshot test fails, Jest will show a diff of the expected and received output, allowing you to review the changes.
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