What is Unit Testing?
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Unit testing is a software testing practice that verifies individual units of code, such as functions or methods, to ensure they behave as intended and produce correct results.
Unit testing is a foundational software development practice that verifies individual units of code, such as functions or methods, in isolation to ensure they behave as expected and help catch issues early.
math_utils.py
test_math_utils.py
In this example, you see a simple function, add, that returns the sum of two numbers. The unit test class, TestAddFunction, contains a method that checks if add(2, 3) correctly returns 5. This illustrates how unit testing verifies that individual pieces of code behave as intended, catching mistakes quickly and reliably.
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