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https://github.com/encode/django-rest-framework.git
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285 lines
12 KiB
Python
285 lines
12 KiB
Python
import json
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import unittest
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from django.conf.urls.defaults import patterns, url
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from django.test import TestCase
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from djangorestframework.response import Response, ImmediateResponse
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from djangorestframework.mixins import ResponseMixin
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from djangorestframework.views import View
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from djangorestframework.compat import View as DjangoView
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from djangorestframework.renderers import BaseRenderer, DEFAULT_RENDERERS
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from djangorestframework.compat import RequestFactory
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from djangorestframework import status
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from djangorestframework.renderers import BaseRenderer, JSONRenderer, YAMLRenderer, \
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XMLRenderer, JSONPRenderer, DocumentingHTMLRenderer
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class TestResponseDetermineRenderer(TestCase):
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def get_response(self, url='', accept_list=[], renderers=[]):
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kwargs = {}
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if accept_list is not None:
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kwargs['HTTP_ACCEPT'] = HTTP_ACCEPT=','.join(accept_list)
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request = RequestFactory().get(url, **kwargs)
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return Response(request=request, renderers=renderers)
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def get_renderer_mock(self, media_type):
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return type('RendererMock', (BaseRenderer,), {
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'media_type': media_type,
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})()
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def test_determine_accept_list_accept_header(self):
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"""
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Test that determine_accept_list takes the Accept header.
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"""
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accept_list = ['application/pickle', 'application/json']
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response = self.get_response(accept_list=accept_list)
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self.assertEqual(response._determine_accept_list(), accept_list)
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def test_determine_accept_list_default(self):
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"""
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Test that determine_accept_list takes the default renderer if Accept is not specified.
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"""
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response = self.get_response(accept_list=None)
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self.assertEqual(response._determine_accept_list(), ['*/*'])
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def test_determine_accept_list_overriden_header(self):
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"""
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Test Accept header overriding.
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"""
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accept_list = ['application/pickle', 'application/json']
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response = self.get_response(url='?_accept=application/x-www-form-urlencoded',
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accept_list=accept_list)
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self.assertEqual(response._determine_accept_list(), ['application/x-www-form-urlencoded'])
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def test_determine_renderer(self):
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"""
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Test that right renderer is chosen, in the order of Accept list.
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"""
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accept_list = ['application/pickle', 'application/json']
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prenderer = self.get_renderer_mock('application/pickle')
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jrenderer = self.get_renderer_mock('application/json')
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response = self.get_response(accept_list=accept_list, renderers=(prenderer, jrenderer))
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renderer, media_type = response._determine_renderer()
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self.assertEqual(media_type, 'application/pickle')
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self.assertTrue(renderer, prenderer)
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response = self.get_response(accept_list=accept_list, renderers=(jrenderer,))
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renderer, media_type = response._determine_renderer()
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self.assertEqual(media_type, 'application/json')
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self.assertTrue(renderer, jrenderer)
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def test_determine_renderer_default(self):
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"""
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Test determine renderer when Accept was not specified.
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"""
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prenderer = self.get_renderer_mock('application/pickle')
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response = self.get_response(accept_list=None, renderers=(prenderer,))
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renderer, media_type = response._determine_renderer()
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self.assertEqual(media_type, '*/*')
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self.assertTrue(renderer, prenderer)
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def test_determine_renderer_no_renderer(self):
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"""
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Test determine renderer when no renderer can satisfy the Accept list.
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"""
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accept_list = ['application/json']
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prenderer = self.get_renderer_mock('application/pickle')
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response = self.get_response(accept_list=accept_list, renderers=(prenderer,))
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self.assertRaises(ImmediateResponse, response._determine_renderer)
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class TestResponseRenderContent(TestCase):
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def get_response(self, url='', accept_list=[], content=None):
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request = RequestFactory().get(url, HTTP_ACCEPT=','.join(accept_list))
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return Response(request=request, content=content, renderers=[r() for r in DEFAULT_RENDERERS])
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def test_render(self):
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"""
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Test rendering simple data to json.
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"""
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content = {'a': 1, 'b': [1, 2, 3]}
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content_type = 'application/json'
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response = self.get_response(accept_list=[content_type], content=content)
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response.render()
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self.assertEqual(json.loads(response.content), content)
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self.assertEqual(response['Content-Type'], content_type)
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DUMMYSTATUS = status.HTTP_200_OK
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DUMMYCONTENT = 'dummycontent'
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RENDERER_A_SERIALIZER = lambda x: 'Renderer A: %s' % x
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RENDERER_B_SERIALIZER = lambda x: 'Renderer B: %s' % x
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class RendererA(BaseRenderer):
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media_type = 'mock/renderera'
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format = "formata"
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def render(self, obj=None, media_type=None):
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return RENDERER_A_SERIALIZER(obj)
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class RendererB(BaseRenderer):
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media_type = 'mock/rendererb'
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format = "formatb"
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def render(self, obj=None, media_type=None):
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return RENDERER_B_SERIALIZER(obj)
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class MockView(ResponseMixin, DjangoView):
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renderer_classes = (RendererA, RendererB)
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def get(self, request, **kwargs):
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response = Response(DUMMYCONTENT, status=DUMMYSTATUS)
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self.response = self.prepare_response(response)
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return self.response
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class HTMLView(View):
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renderer_classes = (DocumentingHTMLRenderer, )
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def get(self, request, **kwargs):
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return Response('text')
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class HTMLView1(View):
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renderer_classes = (DocumentingHTMLRenderer, JSONRenderer)
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def get(self, request, **kwargs):
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return Response('text')
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urlpatterns = patterns('',
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url(r'^.*\.(?P<format>.+)$', MockView.as_view(renderer_classes=[RendererA, RendererB])),
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url(r'^$', MockView.as_view(renderer_classes=[RendererA, RendererB])),
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url(r'^html$', HTMLView.as_view()),
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url(r'^html1$', HTMLView1.as_view()),
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)
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# TODO: Clean tests bellow - remove duplicates with above, better unit testing, ...
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class RendererIntegrationTests(TestCase):
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"""
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End-to-end testing of renderers using an ResponseMixin on a generic view.
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"""
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urls = 'djangorestframework.tests.response'
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def test_default_renderer_serializes_content(self):
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"""If the Accept header is not set the default renderer should serialize the response."""
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resp = self.client.get('/')
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self.assertEquals(resp['Content-Type'], RendererA.media_type)
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self.assertEquals(resp.content, RENDERER_A_SERIALIZER(DUMMYCONTENT))
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self.assertEquals(resp.status_code, DUMMYSTATUS)
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def test_head_method_serializes_no_content(self):
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"""No response must be included in HEAD requests."""
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resp = self.client.head('/')
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self.assertEquals(resp.status_code, DUMMYSTATUS)
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self.assertEquals(resp['Content-Type'], RendererA.media_type)
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self.assertEquals(resp.content, '')
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def test_default_renderer_serializes_content_on_accept_any(self):
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"""If the Accept header is set to */* the default renderer should serialize the response."""
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resp = self.client.get('/', HTTP_ACCEPT='*/*')
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self.assertEquals(resp['Content-Type'], RendererA.media_type)
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self.assertEquals(resp.content, RENDERER_A_SERIALIZER(DUMMYCONTENT))
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self.assertEquals(resp.status_code, DUMMYSTATUS)
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def test_specified_renderer_serializes_content_default_case(self):
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"""If the Accept header is set the specified renderer should serialize the response.
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(In this case we check that works for the default renderer)"""
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resp = self.client.get('/', HTTP_ACCEPT=RendererA.media_type)
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self.assertEquals(resp['Content-Type'], RendererA.media_type)
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self.assertEquals(resp.content, RENDERER_A_SERIALIZER(DUMMYCONTENT))
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self.assertEquals(resp.status_code, DUMMYSTATUS)
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def test_specified_renderer_serializes_content_non_default_case(self):
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"""If the Accept header is set the specified renderer should serialize the response.
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(In this case we check that works for a non-default renderer)"""
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resp = self.client.get('/', HTTP_ACCEPT=RendererB.media_type)
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self.assertEquals(resp['Content-Type'], RendererB.media_type)
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self.assertEquals(resp.content, RENDERER_B_SERIALIZER(DUMMYCONTENT))
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self.assertEquals(resp.status_code, DUMMYSTATUS)
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def test_specified_renderer_serializes_content_on_accept_query(self):
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"""The '_accept' query string should behave in the same way as the Accept header."""
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resp = self.client.get('/?_accept=%s' % RendererB.media_type)
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self.assertEquals(resp['Content-Type'], RendererB.media_type)
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self.assertEquals(resp.content, RENDERER_B_SERIALIZER(DUMMYCONTENT))
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self.assertEquals(resp.status_code, DUMMYSTATUS)
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@unittest.skip('can\'t pass because view is a simple Django view and response is an ImmediateResponse')
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def test_unsatisfiable_accept_header_on_request_returns_406_status(self):
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"""If the Accept header is unsatisfiable we should return a 406 Not Acceptable response."""
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resp = self.client.get('/', HTTP_ACCEPT='foo/bar')
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self.assertEquals(resp.status_code, status.HTTP_406_NOT_ACCEPTABLE)
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def test_specified_renderer_serializes_content_on_format_query(self):
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"""If a 'format' query is specified, the renderer with the matching
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format attribute should serialize the response."""
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resp = self.client.get('/?format=%s' % RendererB.format)
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self.assertEquals(resp['Content-Type'], RendererB.media_type)
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self.assertEquals(resp.content, RENDERER_B_SERIALIZER(DUMMYCONTENT))
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self.assertEquals(resp.status_code, DUMMYSTATUS)
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def test_specified_renderer_serializes_content_on_format_kwargs(self):
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"""If a 'format' keyword arg is specified, the renderer with the matching
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format attribute should serialize the response."""
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resp = self.client.get('/something.formatb')
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self.assertEquals(resp['Content-Type'], RendererB.media_type)
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self.assertEquals(resp.content, RENDERER_B_SERIALIZER(DUMMYCONTENT))
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self.assertEquals(resp.status_code, DUMMYSTATUS)
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def test_specified_renderer_is_used_on_format_query_with_matching_accept(self):
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"""If both a 'format' query and a matching Accept header specified,
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the renderer with the matching format attribute should serialize the response."""
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resp = self.client.get('/?format=%s' % RendererB.format,
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HTTP_ACCEPT=RendererB.media_type)
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self.assertEquals(resp['Content-Type'], RendererB.media_type)
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self.assertEquals(resp.content, RENDERER_B_SERIALIZER(DUMMYCONTENT))
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self.assertEquals(resp.status_code, DUMMYSTATUS)
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def test_conflicting_format_query_and_accept_ignores_accept(self):
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"""If a 'format' query is specified that does not match the Accept
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header, we should only honor the 'format' query string."""
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resp = self.client.get('/?format=%s' % RendererB.format,
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HTTP_ACCEPT='dummy')
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self.assertEquals(resp['Content-Type'], RendererB.media_type)
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self.assertEquals(resp.content, RENDERER_B_SERIALIZER(DUMMYCONTENT))
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self.assertEquals(resp.status_code, DUMMYSTATUS)
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def test_bla(self):
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resp = self.client.get('/?format=formatb',
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HTTP_ACCEPT='text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8')
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self.assertEquals(resp['Content-Type'], RendererB.media_type)
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self.assertEquals(resp.content, RENDERER_B_SERIALIZER(DUMMYCONTENT))
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self.assertEquals(resp.status_code, DUMMYSTATUS)
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class Issue122Tests(TestCase):
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"""
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Tests that covers #122.
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"""
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urls = 'djangorestframework.tests.response'
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def test_only_html_renderer(self):
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"""
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Test if no infinite recursion occurs.
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"""
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resp = self.client.get('/html')
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def test_html_renderer_is_first(self):
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"""
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Test if no infinite recursion occurs.
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"""
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resp = self.client.get('/html1')
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