[Solved] You have two fixtures in conftest.py:@pytest.fixture def config(): return {'mode': 'test'} @pytest.fixture def client(config):... | PyTest

PyTest - Fixtures

You have two fixtures in conftest.py:

@pytest.fixture
def config():
    return {'mode': 'test'}

@pytest.fixture
def client(config):
    return Client(config['mode'])

What happens when a test uses the client fixture?

Apytest injects config fixture into client fixture automatically

Bclient fixture fails because config is not imported

Cclient fixture ignores config and uses default mode

DTest fails due to circular fixture dependency

Step-by-Step Solution

Solution:

Step 1: Understand fixture dependency injection
pytest resolves fixture dependencies by injecting fixtures listed as parameters.
Step 2: Analyze client fixture parameter
client fixture declares config as a parameter, so pytest provides the config fixture automatically.
Final Answer:
pytest injects config fixture into client fixture automatically -> Option A
Quick Check:
Fixture dependencies are auto-injected by pytest [OK]

Quick Trick: Fixtures listed as parameters are auto-injected by pytest [OK]

Common Mistakes:

MISTAKES

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You have two fixtures in conftest.py: