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Django Testing - a complete example


This assumes that you have read the documentation about starting a new Django project. Let us assume that the main app in your project is named td (short for test driven). To create your first test, create a file named test_view.py and copy paste the following content into it.

from django.test import Client, TestCase

class ViewTest(TestCase):

    def test_hello(self):
        c = Client()
        resp = c.get('/hello/')
        self.assertEqual(resp.status_code, 200)

You can run this test by

 ./manage.py test

and it will most naturally fail! You will see an error similar to the following.

Traceback (most recent call last):
  File "/home/me/workspace/td/tests_view.py", line 9, in test_hello
    self.assertEqual(resp.status_code, 200)
AssertionError: 200 != 404

Why does that happen? Because we haven't defined a view for that! So let's do it. Create a file called views.py and place in it the following code

from django.http import HttpResponse
def hello(request):
    return HttpResponse('hello')

Next map it to the /hello/ by editing urls py as follows:

from td import views

urlpatterns = [
    url(r'^admin/', include(admin.site.urls)),
    url(r'^hello/', views.hello),

Now run the test again ./manage.py test again and viola!!

Creating test database for alias 'default'...
Ran 1 test in 0.004s