Django Django Testing & Debugging 3

Question 1

What does `TransactionTestCase` provide that `TestCase` does not?

Accepted Answer

Ability to test code that uses transaction.commit() or transaction.on_commit()

Answer

Faster test execution

Answer

Automatic fixture loading

Answer

Support for async test methods

Question 2

How can you run only tests inside a specific Django app using the manage.py test command?

Accepted Answer

python manage.py test myapp

Answer

python manage.py test --app=myapp

Answer

python manage.py test --include myapp

Answer

python manage.py test -m myapp

Question 3

What is the purpose of Django's `RequestFactory`?

Accepted Answer

Creating request instances to pass directly to view functions without middleware

Answer

Creating fake HTTP servers for integration tests

Answer

Generating API tokens for test authentication

Answer

Loading test fixtures from JSON files

Question 4

Which Django logging handler is recommended to capture log output during tests for inspection?

Accepted Answer

logging.handlers.MemoryHandler or assertLogs context manager

Answer

logging.FileHandler

Answer

logging.StreamHandler writing to sys.stdout

Answer

logging.NullHandler

Question 5

What is the correct way to test a Django signal receiver to verify it was called?

Accepted Answer

Use unittest.mock.patch on the receiver and assert it was called

Answer

Check the signal's receivers list directly

Answer

Use django.test.signals.reset_queries()

Answer

Signals cannot be tested in Django's test framework

Question 6

Which command-line option shows the slowest tests when running the Django test suite?

Accepted Answer

python manage.py test --timing

Answer

python manage.py test --time

Answer

python manage.py test --slow

Answer

python manage.py test --profile

Question 7

When using `self.assertContains(response, 'text', count=2)`, what does the `count` parameter do?

Accepted Answer

Asserts the text appears exactly 2 times in the response

Answer

Asserts the response was returned in under 2 seconds

Answer

Asserts at least 2 bytes were returned

Answer

Asserts the status code is 200 twice