[Solved] Which of the following is the correct way to define a pytest fixture for a Flask test client? — Ans: @pytest.fixture def client(): app = Flask(__name__) yield app.test_client() | Flask

Flask - Testing Flask Applications

Which of the following is the correct way to define a pytest fixture for a Flask test client?

A@pytest.fixture def client(): app = Flask(__name__) yield app.test_client()

B@pytest.fixture def client(): app = Flask(__name__) app.test_client()

Cdef client(): app = Flask(__name__) yield app.test_client()

D@pytest.fixture def client(): app = Flask(__name__) return app

Step-by-Step Solution

Solution:

Step 1: Check the use of @pytest.fixture decorator
The @pytest.fixture decorator is required to mark a fixture. One option lacks it.
Step 2: Identify correct use of yield for setup and teardown
@pytest.fixture def client(): app = Flask(__name__) yield app.test_client() uses yield to provide the test client and allows cleanup after tests, which is best practice.
Final Answer:
@pytest.fixture\ndef client():\n app = Flask(__name__)\n yield app.test_client() -> Option A
Quick Check:
Use @pytest.fixture and yield for fixtures [OK]

Quick Trick: Use @pytest.fixture and yield to define fixtures [OK]

Common Mistakes:

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Which of the following is the correct way to define a pytest fixture for a Flask test client?