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Testing basics in JavaScript: unit testing, Jest basics, assertions, and mocking

JavaScript testing usually starts with small unit tests, clear assertions, and selective mocking of outside dependencies.

JavaScript Easy Theory

Testing basics in JavaScript: unit testing, Jest basics, assertions, and mocking

JavaScript testing usually starts with small unit tests, clear assertions, and selective mocking of outside dependencies.

  • Unit tests focus on small behavior
  • Assertions express expected results
  • Mocking isolates external effects
#javascript #quality #testing

Testing basics in JavaScript: unit testing, Jest basics, assertions, and mocking