PyTest - Fixtures
You want a pytest fixture to initialize a database connection once before all tests in multiple modules run, and close it after all tests finish. Which scope should you use and why?
You want a pytest fixture to initialize a database connection once before all tests in multiple modules run, and close it after all tests finish. Which scope should you use and why?
hard📝 framework Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the requirement
The database connection should be initialized once before all tests in multiple modules and closed after all tests.Step 2: Match scope to requirement
Session scope runs once per entire test session, perfect for setup/teardown across all modules.Final Answer:
Usesessionscope to share across all tests in the run. -> Option AQuick Check:
Session scope = once per test run [OK]
Quick Trick: Session scope runs once for all tests in the run [OK]
Common Mistakes:
MISTAKES- Choosing function or class scope which run too often
- Using module scope which limits to one file
- Not matching scope to resource lifetime
Master "Fixtures" in PyTest
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