Testing models in Django - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the Django test case class.

Django

from django.test import [1]

Drag options to blanks, or click blank then click option'

AHttpResponse

BModel

CTestCase

DView

Attempts:

3 left

💡 Hint

Common Mistakes

Importing Model instead of TestCase

Importing HttpResponse which is for views

Importing View which is unrelated to testing

The TestCase class is used to write tests in Django.

2fill in blank

medium

Complete the code to define a test method inside a Django test case.

Django

class MyModelTest(TestCase):
    def [1](self):
        pass

Drag options to blanks, or click blank then click option'

Amodel_test

Bcheck_model

Crun_test

Dtest_model_creation

Attempts:

3 left

💡 Hint

Common Mistakes

Not starting method name with 'test_'

Using generic names like 'run_test' which Django won't detect

Test methods in Django must start with test_ to be recognized.

3fill in blank

hard

Fix the error in the test method to correctly create a model instance.

Django

def test_create_user(self):
    user = User.objects.[1](username='alice')
    self.assertEqual(user.username, 'alice')

Drag options to blanks, or click blank then click option'

Acreate

Bget

Cfilter

Dall

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'get' which looks for existing objects

Using 'filter' which returns a queryset, not a single object

Use create to make a new model instance in the database during tests.

4fill in blank

hard

Fill both blanks to assert that the model instance count is 1 after creation.

Django

def test_user_count(self):
    User.objects.create(username='bob')
    count = User.objects.[1]().[2]()
    self.assertEqual(count, 1)

Drag options to blanks, or click blank then click option'

Aall

Bcount

Cfilter

Dget

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'get' which returns a single object, not a queryset

Using 'filter' without conditions returns a queryset but less clear than 'all'

Use all() to get all objects and count() to count them.

5fill in blank

hard

Fill all three blanks to test that a model's string representation matches the username.

Django

def test_str_method(self):
    user = User.objects.create(username='carol')
    self.assertEqual(str([1]), [2])
    self.assertEqual(user.[3](), 'carol')

Drag options to blanks, or click blank then click option'

Auser

B'carol'

C__str__

Dusername

Attempts:

3 left

💡 Hint

Common Mistakes

Using the username attribute instead of the user object in str()

Not quoting the expected string value

Calling 'username' instead of '__str__' method

Convert the user object to string, compare to username string, and call the __str__ method.