#13092: ContextList objects do not support "in" operator
-------------------------------+--------------------------------------------
Reporter: anonymous | Owner: nobody
Status: new | Milestone:
Component: Testing framework | Version: SVN
Keywords: ContextList | Stage: Unreviewed
Has_patch: 1 |
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When running tests, if a single template is used to product a response to
an HTTP request, then the test client's response context object is a
regular Context (django.template.Context) object. When multiple templates
are used, however, then the test client's response context object will be
a django.test.utils.ContextList object instead.
The !ContextList class tries to emulate a Context object for dictionary-
style lookups, so that tests which reference response.context['key'] will
still work. However, !ContextList does not implement _contains_, so
expressions of the form "'key' in request.context", which would be true
when only a single template is used, become false as soon as a second
template is introduced.
For example, with this template:
{{{
<h1>No Content here</h1>
}}}
And this view:
{{{
#!python
from django.shortcuts import render_to_response
def view(request):
return render_to_response("test_template.html", { "foo": "bar" })
}}}
Then a test which says:
{{{
#!python
class SimpleTest(TestCase):
def test_context(self):
response = self.client.get("/test_url/")
self.assertTrue("foo" in response.context)
}}}
will succeed, but if the template is changed to this:
{{{
{% extends "base.html" %}
<h1>No content here</h1>
}}}
then the same test will fail. I'm attaching a patch which fixes this, as
well as a two line patch for the Context/ContextList tests.
--
Ticket URL: <http://code.djangoproject.com/ticket/13092>
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