PyTest - Test Organization
Given a directory with files: test_alpha.py, alpha_test.py, testbeta.py, which files will pytest discover by default?
Given a directory with files: test_alpha.py, alpha_test.py, testbeta.py, which files will pytest discover by default?
medium📝 Predict Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Apply pytest file naming rules
pytest discovers files starting with 'test_' or ending with '_test.py'.Step 2: Check each file
'test_alpha.py' starts with 'test_', 'alpha_test.py' ends with '_test.py', 'testbeta.py' does not match either.Final Answer:
test_alpha.py and alpha_test.py only -> Option AQuick Check:
Files matching 'test_*' or '*_test.py' are discovered [OK]
Quick Trick: Files must start with 'test_' or end with '_test.py' [OK]
Common Mistakes:
MISTAKES- Including files without underscore after 'test'
- Assuming any file with 'test' in name is discovered
- Ignoring suffix '_test.py' pattern
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