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Why is it important to keep test files separate from source code files in pytest projects?

hard🧠 Conceptual Q10 of 15
PyTest - Basics and Setup
Why is it important to keep test files separate from source code files in pytest projects?
ATo avoid mixing test code with production code and simplify maintenance
BBecause pytest cannot run tests inside source code files
CTo reduce the size of the source code folder
DBecause test files must be in a different programming language
Step-by-Step Solution
Solution:

  1. Step 1: Understand separation of concerns

    Keeping tests separate avoids confusion and accidental deployment of test code.

  2. Step 2: Benefits of separation

    It makes maintenance easier and improves project organization.

  3. Final Answer:

    To avoid mixing test code with production code and simplify maintenance -> Option A

  4. Quick Check:

    Separate tests for clarity and maintenance [OK]
Quick Trick: Separate tests to keep production code clean [OK]
Common Mistakes:
MISTAKES
  • Thinking pytest can't run tests in source files
  • Believing test files must be different language

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