You want a pytest fixture to open a database connection before a test and ensure it closes after, regardless of test outcome. Which feature should you use?

hard🚀 Application Q8 of 15

PyTest - Fixtures

ACall the close method inside the fixture before returning

BUse a generator fixture with <code>yield</code> to separate setup and teardown

CUse <code>scope='session'</code> to manage connection lifetime

DManually close the connection inside each test function

Step-by-Step Solution

Solution:

Step 1: Understand fixture teardown
To ensure cleanup runs after tests, even on failure, use yield in fixtures.
Step 2: How yield works
Code before yield runs before the test (setup), code after runs after (teardown).
Step 3: Evaluate options
Use a generator fixture with yield to separate setup and teardown correctly uses a generator fixture with yield for setup and teardown.
Final Answer:
Use a generator fixture with yield to separate setup and teardown -> Option B
Quick Check:
Yield separates setup and teardown in fixtures [OK]

Quick Trick: Use yield in fixture for guaranteed teardown [OK]

Common Mistakes:

MISTAKES

Closing resources before yielding
Not using yield for teardown
Relying on test code to cleanup

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You want a pytest fixture to open a database connection before a test and ensure it closes after, regardless of test outcome. Which feature should you use?

Step 1: Understand fixture teardown

Step 2: How yield works

Step 3: Evaluate options

Final Answer:

Quick Check:

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