What are some advanced testing techniques in Jest?
An example of an AI chatbot conversation about advanced testing techniques in Jest.
What are some advanced testing techniques in Jest?
Jest offers several advanced testing techniques, such as mocking, snapshot testing, and code coverage analysis. Would you like to dive deeper into any of these?
Can you explain how mocking works in Jest?
Sure! Mocking in Jest allows you to replace real implementations with mock functions to isolate tests. This helps in testing components without relying on their dependencies.
What is snapshot testing and how do I use it?
Snapshot testing captures the rendered output of a component and saves it as a reference. You can use toMatchSnapshot() in your tests to compare future outputs against the saved snapshot.
How can I analyze code coverage in my Jest tests?
You can analyze code coverage by running Jest with the --coverage flag. This will generate a report showing which lines of code were executed during tests.
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