Jest Interview Questions For Freshers
What is a snapshot test in Jest?
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What is the purpose of test mocking in Jest?
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What are some popular testing frameworks similar to Jest?
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What are some ways to improve Jest test performance?
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How do you enable code coverage in Jest?
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What is the purpose of code coverage in Jest?
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How do you create a mock function in Jest?
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What is the purpose of mock functions in Jest?
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How do you update a snapshot in Jest?
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What is a test spy in Jest?
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How do you write a basic test case in Jest?
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What are some common matchers provided by Jest?
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What is a test runner?
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What is the purpose of test suits in Jest?
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How do you run Jest tests?
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What are some benefits of using Jest?
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How do you install Jest?
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What is Jest?
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What is the purpose of test doubles in Jest?
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How do you create a test double in Jest?
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How do you disable a test in Jest?
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Jest Intermediate Interview Questions
What is the purpose of test coverage threshold in Jest?
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What is the purpose of setup and teardown functions in Jest?
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How do you use custom matchers in Jest?
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What is the purpose of test mocking in Jest?
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What is a test runner in Jest?
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What are some commonly used plugins with Jest?
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How do you skip running certain test files in Jest?
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How do you create a manual mock in Jest?
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What is the purpose of test doubles in Jest?
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What are some advantages of using Jest over other testing frameworks?
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What is the purpose of code mocking in Jest?
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What are some tips for writing effective unit tests in Jest?
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What is the purpose of test coverage in Jest?
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How do you define global setup and teardown functions in Jest?
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What is test-driven development (TDD)?
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What is behavior-driven development (BDD)?
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What are some testing best practices with Jest?
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How do you group tests in Jest using test suites?
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What are some ways to organize test files in Jest?
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How do you run only a specific test case in Jest?
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What is code coverage threshold in Jest?
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How do you set code coverage threshold in Jest?
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What is mock implementation in Jest?
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How do you provide a mock implementation for a function in Jest?
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What is the difference between mocks and stubs in Jest?
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What is the purpose of global setup and teardown functions in Jest?
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Jest Interview Questions For Experienced
How do you test asynchronous code in Jest?
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What are the different ways to run tests in parallel in Jest?
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What is the difference between async and sync tests in Jest?
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What is the purpose of test coverage reporting in Jest?
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What is the purpose of test environments in Jest?
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What is the purpose of test data builders in Jest?
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How do you test error handling in Jest?
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What is the purpose of test coverage thresholds in Jest?
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How do you write and run tests for React components in Jest?
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What are some common performance optimizations in Jest?
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How do you generate code coverage reports in Jest?
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What is the purpose of test filtering in Jest?
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How do you create an end-to-end testing setup with Jest?
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How do you test code with side effects in Jest?
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What are some strategies for mocking external dependencies in Jest?
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How do you create a custom test runner in Jest?
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What is the purpose of test parallelization in Jest?
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How do you handle dependencies in Jest unit tests?
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What is the difference between snapshots and mocks in Jest?
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How do you configure Jest to run tests on multiple environments?
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