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Test-Driven Programming: 6 Tips for Better, More Reliable Code
Test-driven programming (TDD) is a software development approach that emphasizes writing test cases before implementing the actual code. Embracing TDD can significantly improve the quality and reliability of your code. Here are six important tips to consider when writing test cases:
6 Tips to Improve Your Code 1. Write Independent Test Cases
Independent test cases will make it easier for you to identify and fix bugs efficiently. Avoid dependencies between test cases, so you can execute each one separately without affecting the results of the others.
2. Use Proper Settings and Cleaning
Proper setup and cleanup of your test cases is critical to ensuring reliable test results. Properly prepare your test environment before each test and clean it up afterward to prevent data leaks and unwanted side effects. For physician data example, if you are testing a function that modifies the database, you should set the database to a known initial state before running the test and restore it to its original state afterward.
3. Verify Expected Results
Test cases should verify the expected results of the code being tested. Use assert statements or other verification mechanisms to ensure that the observed output matches expectations. Unexpected variations in results indicate potential bugs that need to be investigated. Comparing actual results to expected results allows you to identify differences and debug your code efficiently.
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