[Solved] Find the issue in this test code:import pytest import warnings def test_warn(): pytest.warns(UserWarning, warnings.warn('Warning!')) | PyTest

PyTest - Writing Assertions

Find the issue in this test code:

import pytest
import warnings

def test_warn():
    pytest.warns(UserWarning, warnings.warn('Warning!'))

AFunction call is executed before pytest.warns context

Bwarnings.warn requires a message and category

CUserWarning is not a valid warning type

Dpytest.warns requires a context manager, not a function call

Step-by-Step Solution

Solution:

Step 1: Understand pytest.warns usage
pytest.warns is designed to be used as a context manager to catch warnings during code execution.
Step 2: Identify misuse of pytest.warns
The code calls warnings.warn inside pytest.warns as a function argument, which is incorrect usage.
Final Answer:
pytest.warns requires a context manager, not a function call -> Option D
Quick Check:
Use pytest.warns as context manager, not function call [OK]

Quick Trick: Use 'with pytest.warns():' not pytest.warns(func()) [OK]

Common Mistakes:

MISTAKES

Master "Writing Assertions" in PyTest

9 interactive learning modes - each teaches the same concept differently

More PyTest Quizzes

Find the issue in this test code: