234 lines
7.9 KiB
Python
234 lines
7.9 KiB
Python
import unittest
|
|
|
|
from django.core.exceptions import ImproperlyConfigured
|
|
from django.http import HttpResponse
|
|
from django.test import TestCase, RequestFactory
|
|
from django.utils import simplejson
|
|
from django.views.generic import View, TemplateView, RedirectView
|
|
|
|
|
|
class SimpleView(View):
|
|
"""
|
|
A simple view with a docstring.
|
|
"""
|
|
def get(self, request):
|
|
return HttpResponse('This is a simple view')
|
|
|
|
|
|
class SimplePostView(SimpleView):
|
|
post = SimpleView.get
|
|
|
|
|
|
class CustomizableView(SimpleView):
|
|
parameter = {}
|
|
|
|
def decorator(view):
|
|
view.is_decorated = True
|
|
return view
|
|
|
|
|
|
class DecoratedDispatchView(SimpleView):
|
|
|
|
@decorator
|
|
def dispatch(self, request, *args, **kwargs):
|
|
return super(DecoratedDispatchView, self).dispatch(request, *args, **kwargs)
|
|
|
|
|
|
class AboutTemplateView(TemplateView):
|
|
def get(self, request):
|
|
return self.render_to_response({})
|
|
|
|
def get_template_names(self):
|
|
return ['generic_views/about.html']
|
|
|
|
|
|
class AboutTemplateAttributeView(TemplateView):
|
|
template_name = 'generic_views/about.html'
|
|
|
|
def get(self, request):
|
|
return self.render_to_response(context={})
|
|
|
|
|
|
class InstanceView(View):
|
|
|
|
def get(self, request):
|
|
return self
|
|
|
|
|
|
class ViewTest(unittest.TestCase):
|
|
rf = RequestFactory()
|
|
|
|
def _assert_simple(self, response):
|
|
self.assertEqual(response.status_code, 200)
|
|
self.assertEqual(response.content, 'This is a simple view')
|
|
|
|
def test_no_init_kwargs(self):
|
|
"""
|
|
Test that a view can't be accidentally instantiated before deployment
|
|
"""
|
|
try:
|
|
view = SimpleView(key='value').as_view()
|
|
self.fail('Should not be able to instantiate a view')
|
|
except AttributeError:
|
|
pass
|
|
|
|
def test_no_init_args(self):
|
|
"""
|
|
Test that a view can't be accidentally instantiated before deployment
|
|
"""
|
|
try:
|
|
view = SimpleView.as_view('value')
|
|
self.fail('Should not be able to use non-keyword arguments instantiating a view')
|
|
except TypeError:
|
|
pass
|
|
|
|
def test_pathological_http_method(self):
|
|
"""
|
|
The edge case of a http request that spoofs an existing method name is caught.
|
|
"""
|
|
self.assertEqual(SimpleView.as_view()(
|
|
self.rf.get('/', REQUEST_METHOD='DISPATCH')
|
|
).status_code, 405)
|
|
|
|
def test_get_only(self):
|
|
"""
|
|
Test a view which only allows GET doesn't allow other methods.
|
|
"""
|
|
self._assert_simple(SimpleView.as_view()(self.rf.get('/')))
|
|
self.assertEqual(SimpleView.as_view()(self.rf.post('/')).status_code, 405)
|
|
self.assertEqual(SimpleView.as_view()(
|
|
self.rf.get('/', REQUEST_METHOD='FAKE')
|
|
).status_code, 405)
|
|
|
|
def test_get_and_post(self):
|
|
"""
|
|
Test a view which only allows both GET and POST.
|
|
"""
|
|
self._assert_simple(SimplePostView.as_view()(self.rf.get('/')))
|
|
self._assert_simple(SimplePostView.as_view()(self.rf.post('/')))
|
|
self.assertEqual(SimplePostView.as_view()(
|
|
self.rf.get('/', REQUEST_METHOD='FAKE')
|
|
).status_code, 405)
|
|
|
|
def test_invalid_keyword_argument(self):
|
|
"""
|
|
Test that view arguments must be predefined on the class and can't
|
|
be named like a HTTP method.
|
|
"""
|
|
# Check each of the allowed method names
|
|
for method in SimpleView.http_method_names:
|
|
kwargs = dict(((method, "value"),))
|
|
self.assertRaises(TypeError, SimpleView.as_view, **kwargs)
|
|
|
|
# Check the case view argument is ok if predefined on the class...
|
|
CustomizableView.as_view(parameter="value")
|
|
# ...but raises errors otherwise.
|
|
self.assertRaises(TypeError, CustomizableView.as_view, foobar="value")
|
|
|
|
def test_calling_more_than_once(self):
|
|
"""
|
|
Test a view can only be called once.
|
|
"""
|
|
request = self.rf.get('/')
|
|
view = InstanceView.as_view()
|
|
self.assertNotEqual(view(request), view(request))
|
|
|
|
def test_class_attributes(self):
|
|
"""
|
|
Test that the callable returned from as_view() has proper
|
|
docstring, name and module.
|
|
"""
|
|
self.assertEqual(SimpleView.__doc__, SimpleView.as_view().__doc__)
|
|
self.assertEqual(SimpleView.__name__, SimpleView.as_view().__name__)
|
|
self.assertEqual(SimpleView.__module__, SimpleView.as_view().__module__)
|
|
|
|
def test_dispatch_decoration(self):
|
|
"""
|
|
Test that attributes set by decorators on the dispatch method
|
|
are also present on the closure.
|
|
"""
|
|
self.assertTrue(DecoratedDispatchView.as_view().is_decorated)
|
|
|
|
|
|
class TemplateViewTest(TestCase):
|
|
urls = 'regressiontests.generic_views.urls'
|
|
|
|
rf = RequestFactory()
|
|
|
|
def _assert_about(self, response):
|
|
self.assertEqual(response.status_code, 200)
|
|
self.assertEqual(response.content, '<h1>About</h1>')
|
|
|
|
def test_get(self):
|
|
"""
|
|
Test a view that simply renders a template on GET
|
|
"""
|
|
self._assert_about(AboutTemplateView.as_view()(self.rf.get('/about/')))
|
|
|
|
def test_get_template_attribute(self):
|
|
"""
|
|
Test a view that renders a template on GET with the template name as
|
|
an attribute on the class.
|
|
"""
|
|
self._assert_about(AboutTemplateAttributeView.as_view()(self.rf.get('/about/')))
|
|
|
|
def test_get_generic_template(self):
|
|
"""
|
|
Test a completely generic view that renders a template on GET
|
|
with the template name as an argument at instantiation.
|
|
"""
|
|
self._assert_about(TemplateView.as_view(template_name='generic_views/about.html')(self.rf.get('/about/')))
|
|
|
|
def test_template_params(self):
|
|
"""
|
|
A generic template view passes kwargs as context.
|
|
"""
|
|
response = self.client.get('/template/simple/bar/')
|
|
self.assertEqual(response.status_code, 200)
|
|
self.assertEqual(response.context['params'], {'foo': 'bar'})
|
|
|
|
def test_extra_template_params(self):
|
|
"""
|
|
A template view can be customized to return extra context.
|
|
"""
|
|
response = self.client.get('/template/custom/bar/')
|
|
self.assertEqual(response.status_code, 200)
|
|
self.assertEqual(response.context['params'], {'foo': 'bar'})
|
|
self.assertEqual(response.context['key'], 'value')
|
|
|
|
class RedirectViewTest(unittest.TestCase):
|
|
rf = RequestFactory()
|
|
|
|
def test_no_url(self):
|
|
"Without any configuration, returns HTTP 410 GONE"
|
|
response = RedirectView.as_view()(self.rf.get('/foo/'))
|
|
self.assertEquals(response.status_code, 410)
|
|
|
|
def test_permanaent_redirect(self):
|
|
"Default is a permanent redirect"
|
|
response = RedirectView.as_view(url='/bar/')(self.rf.get('/foo/'))
|
|
self.assertEquals(response.status_code, 301)
|
|
self.assertEquals(response['Location'], '/bar/')
|
|
|
|
def test_temporary_redirect(self):
|
|
"Permanent redirects are an option"
|
|
response = RedirectView.as_view(url='/bar/', permanent=False)(self.rf.get('/foo/'))
|
|
self.assertEquals(response.status_code, 302)
|
|
self.assertEquals(response['Location'], '/bar/')
|
|
|
|
def test_include_args(self):
|
|
"GET arguments can be included in the redirected URL"
|
|
response = RedirectView.as_view(url='/bar/')(self.rf.get('/foo/'))
|
|
self.assertEquals(response.status_code, 301)
|
|
self.assertEquals(response['Location'], '/bar/')
|
|
|
|
response = RedirectView.as_view(url='/bar/', query_string=True)(self.rf.get('/foo/?pork=spam'))
|
|
self.assertEquals(response.status_code, 301)
|
|
self.assertEquals(response['Location'], '/bar/?pork=spam')
|
|
|
|
def test_parameter_substitution(self):
|
|
"Redirection URLs can be parameterized"
|
|
response = RedirectView.as_view(url='/bar/%(object_id)d/')(self.rf.get('/foo/42/'), object_id=42)
|
|
self.assertEquals(response.status_code, 301)
|
|
self.assertEquals(response['Location'], '/bar/42/')
|