Jest · question
Q.05 of 49
What are the different ways to run Jest tests?
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Re-explain
Jest can be run in several ways:
- Basic test run:
npm test or jest
- Watch mode:
jest --watch (watches for file changes)
- Watch all:
jest --watchAll (watches all files)
- Coverage:
jest --coverage (generates coverage report)
- Specific file:
jest mytest.test.js
- Pattern matching:
jest --testNamePattern="should add"
- Verbose output:
jest --verbose
Common package.json scripts:
{
"scripts": {
"test": "jest",
"test:watch": "jest --watch",
"test:coverage": "jest --coverage",
"test:debug": "jest --verbose"
}
}
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