What is Jest test coverage and how can I use it?
An example of an AI chatbot conversation about Jest test coverage and its usage.
What is Jest test coverage and how can I use it?
Jest test coverage measures how much of your code is tested by your Jest tests. It helps identify untested parts.
How do I enable test coverage in my Jest configuration?
You can enable test coverage by adding the --coverage flag when running Jest, or by setting collectCoverage: true in your Jest config.
What types of coverage does Jest provide?
Jest provides several types of coverage: statement, branch, function, and line coverage, helping you understand your test effectiveness.
Can I see a coverage report after running my tests?
Yes, after running tests with coverage enabled, Jest generates a coverage report in the coverage directory, which you can view in your browser.
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