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Fixed #20456 -- Added example of directly testing CBVs in topics docs.

This commit is contained in:
Felipe Lee 2019-12-04 09:36:42 -06:00 committed by Carlton Gibson
parent d646e3d14f
commit a2e96f7969

View File

@ -67,6 +67,48 @@ The following is a unit test using the request factory::
response = MyView.as_view()(request)
self.assertEqual(response.status_code, 200)
Testing class-based views
=========================
In order to test class-based views outside of the request/response cycle you
must ensure that they are configured correctly, by calling
:meth:`~django.views.generic.base.View.setup` after instantiation.
For example, assuming the following class-based view:
.. code-block:: python
:caption: views.py
from django.views.generic import TemplateView
class HomeView(TemplateView):
template_name = 'myapp/home.html'
def get_context_data(self, **kwargs):
kwargs['environment'] = 'Production'
return super().get_context_data(**kwargs)
You may directly test the ``get_context_data()`` method by first instantiating
the view, then passing a ``request`` to ``setup()``, before proceeding with
your test's code:
.. code-block:: python
:caption: tests.py
from django.test import RequestFactory, TestCase
from .views import HomeView
class HomePageTest(TestCase):
def test_environment_set_in_context(self):
request = RequestFactory().get('/')
view = HomeView()
view.setup(request)
context = view.get_context_data()
self.assertIn('environment', context)
.. _topics-testing-advanced-multiple-hosts:
Tests and multiple host names