How to Perform Unit Testing
Naveen Murugesan
Digital Marketing Expert at Direct7 Networks | 5+ Years Experience | Proven Success in Enhancing Website Performance | Certified Digital Marketing Professional.
What is Unit Testing?
Unit testing is a practice in software development where individual units of code—like functions, methods, or classes—are tested in isolation. The goal is to verify that each unit behaves as expected independently of other code parts.
How to Perform Unit Testing
1. Planning and Setup
2. Writing Test Cases
3. Executing Tests
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4. Analyzing Results
Example in Python
def add_numbers(a, b):
return a + b
def test_add_numbers_positive():
assert add_numbers(2, 3) == 5
def test_add_numbers_zero():
assert add_numbers(0, 10) == 10
def test_add_numbers_negative():
assert add_numbers(-5, 2) == -3
Best Practices
Conclusion
Unit testing ensures a solid foundation for your software by catching errors early and maintaining code quality. Focus on isolated units, write clear tests, and automate the process for the best results.
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Unit testing is your handshake with quality code. Embrace it, and watch your software reliability soar.