What is test coverage in Node.js?
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What is test coverage in Node.js?
Test coverage in Node.js refers to the measurement of how much of your code is tested by automated tests. It helps identify untested parts.
How can I measure test coverage in my Node.js application?
You can use tools like Istanbul or NYC to measure test coverage. They provide reports showing which lines of code are covered by tests.
What is a good test coverage percentage to aim for?
Aiming for 80% test coverage is a common goal, but it's important to focus on critical areas of your code rather than just the percentage.
Can you give me an example of how to set up coverage with Jest?
Sure! You can set up coverage in Jest by adding the --coverage flag when running your tests. It will generate a coverage report.
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