PyTest - Test Organization
You want to share a database connection setup across multiple test files using
conftest.py. Which approach best follows pytest best practices?You want to share a database connection setup across multiple test files using conftest.py. Which approach best follows pytest best practices?
hard📝 framework Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Understand fixture scope and cleanup
Using a fixture withyieldallows setup before tests and cleanup after, ideal for resources like DB connections.Step 2: Evaluate other options
Write the connection setup code inside each test function separately repeats code, violating DRY. Create a global variable inconftest.pyholding the connection without a fixture lacks cleanup and is not recommended. Use a class with static methods inconftest.pyto manage the connection is more complex and less idiomatic.Final Answer:
Define a fixture inconftest.pythat creates and yields the connection, then closes it after tests -> Option AQuick Check:
Fixture with yield for setup/teardown = A [OK]
Quick Trick: Use yield fixture for setup and cleanup in conftest.py [OK]
Common Mistakes:
MISTAKES- Duplicating setup in tests
- Not cleaning up resources
- Using global variables instead of fixtures
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