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43cb78fafd
git-svn-id: http://code.djangoproject.com/svn/django/trunk@16496 bcc190cf-cafb-0310-a4f2-bffc1f526a37
109 lines
3.8 KiB
Python
109 lines
3.8 KiB
Python
from django.http import HttpResponse
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from django.template import Template, Context
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from django.template.response import TemplateResponse
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from django.test import TestCase, RequestFactory
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from django.utils.decorators import decorator_from_middleware
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class ProcessViewMiddleware(object):
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def process_view(self, request, view_func, view_args, view_kwargs):
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pass
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process_view_dec = decorator_from_middleware(ProcessViewMiddleware)
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@process_view_dec
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def process_view(request):
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return HttpResponse()
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class ClassProcessView(object):
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def __call__(self, request):
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return HttpResponse()
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class_process_view = process_view_dec(ClassProcessView())
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class FullMiddleware(object):
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def process_request(self, request):
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request.process_request_reached = True
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def process_view(sef, request, view_func, view_args, view_kwargs):
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request.process_view_reached = True
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def process_template_response(self, request, response):
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request.process_template_response_reached = True
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return response
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def process_response(self, request, response):
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# This should never receive unrendered content.
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request.process_response_content = response.content
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request.process_response_reached = True
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return response
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full_dec = decorator_from_middleware(FullMiddleware)
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class DecoratorFromMiddlewareTests(TestCase):
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"""
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Tests for view decorators created using
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``django.utils.decorators.decorator_from_middleware``.
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"""
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rf = RequestFactory()
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def test_process_view_middleware(self):
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"""
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Test a middleware that implements process_view.
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"""
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process_view(self.rf.get('/'))
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def test_callable_process_view_middleware(self):
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"""
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Test a middleware that implements process_view, operating on a callable class.
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"""
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class_process_view(self.rf.get('/'))
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def test_full_dec_normal(self):
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"""
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Test that all methods of middleware are called for normal HttpResponses
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"""
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@full_dec
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def normal_view(request):
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t = Template("Hello world")
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return HttpResponse(t.render(Context({})))
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request = self.rf.get('/')
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response = normal_view(request)
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self.assertTrue(getattr(request, 'process_request_reached', False))
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self.assertTrue(getattr(request, 'process_view_reached', False))
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# process_template_response must not be called for HttpResponse
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self.assertFalse(getattr(request, 'process_template_response_reached', False))
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self.assertTrue(getattr(request, 'process_response_reached', False))
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def test_full_dec_templateresponse(self):
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"""
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Test that all methods of middleware are called for TemplateResponses in
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the right sequence.
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"""
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@full_dec
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def template_response_view(request):
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t = Template("Hello world")
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return TemplateResponse(request, t, {})
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request = self.rf.get('/')
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response = template_response_view(request)
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self.assertTrue(getattr(request, 'process_request_reached', False))
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self.assertTrue(getattr(request, 'process_view_reached', False))
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self.assertTrue(getattr(request, 'process_template_response_reached', False))
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# response must not be rendered yet.
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self.assertFalse(response._is_rendered)
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# process_response must not be called until after response is rendered,
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# otherwise some decorators like csrf_protect and gzip_page will not
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# work correctly. See #16004
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self.assertFalse(getattr(request, 'process_response_reached', False))
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response.render()
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self.assertTrue(getattr(request, 'process_response_reached', False))
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# Check that process_response saw the rendered content
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self.assertEqual(request.process_response_content, "Hello world")
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