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import unittest
from django.conf.urls.defaults import patterns, url, include
from django.test import TestCase
from rest_framework.response import Response
from rest_framework.views import APIView
from rest_framework import status
from rest_framework.renderers import (
BaseRenderer,
JSONRenderer,
BrowsableAPIRenderer
)
from rest_framework.settings import api_settings
class MockPickleRenderer(BaseRenderer):
media_type = 'application/pickle'
class MockJsonRenderer(BaseRenderer):
media_type = 'application/json'
DUMMYSTATUS = status.HTTP_200_OK
DUMMYCONTENT = 'dummycontent'
RENDERER_A_SERIALIZER = lambda x: 'Renderer A: %s' % x
RENDERER_B_SERIALIZER = lambda x: 'Renderer B: %s' % x
class RendererA(BaseRenderer):
media_type = 'mock/renderera'
format = "formata"
def render(self, data, media_type=None, renderer_context=None):
return RENDERER_A_SERIALIZER(data)
class RendererB(BaseRenderer):
media_type = 'mock/rendererb'
format = "formatb"
def render(self, data, media_type=None, renderer_context=None):
return RENDERER_B_SERIALIZER(data)
class MockView(APIView):
renderer_classes = (RendererA, RendererB)
def get(self, request, **kwargs):
return Response(DUMMYCONTENT, status=DUMMYSTATUS)
class HTMLView(APIView):
renderer_classes = (BrowsableAPIRenderer, )
def get(self, request, **kwargs):
return Response('text')
class HTMLView1(APIView):
renderer_classes = (BrowsableAPIRenderer, JSONRenderer)
def get(self, request, **kwargs):
return Response('text')
urlpatterns = patterns('',
url(r'^.*\.(?P<format>.+)$', MockView.as_view(renderer_classes=[RendererA, RendererB])),
url(r'^$', MockView.as_view(renderer_classes=[RendererA, RendererB])),
url(r'^html$', HTMLView.as_view()),
url(r'^html1$', HTMLView1.as_view()),
url(r'^restframework', include('rest_framework.urls', namespace='rest_framework'))
)
# TODO: Clean tests bellow - remove duplicates with above, better unit testing, ...
class RendererIntegrationTests(TestCase):
"""
End-to-end testing of renderers using an ResponseMixin on a generic view.
"""
urls = 'rest_framework.tests.response'
def test_default_renderer_serializes_content(self):
"""If the Accept header is not set the default renderer should serialize the response."""
resp = self.client.get('/')
self.assertEquals(resp['Content-Type'], RendererA.media_type)
self.assertEquals(resp.content, RENDERER_A_SERIALIZER(DUMMYCONTENT))
self.assertEquals(resp.status_code, DUMMYSTATUS)
def test_head_method_serializes_no_content(self):
"""No response must be included in HEAD requests."""
resp = self.client.head('/')
self.assertEquals(resp.status_code, DUMMYSTATUS)
self.assertEquals(resp['Content-Type'], RendererA.media_type)
self.assertEquals(resp.content, '')
def test_default_renderer_serializes_content_on_accept_any(self):
"""If the Accept header is set to */* the default renderer should serialize the response."""
resp = self.client.get('/', HTTP_ACCEPT='*/*')
self.assertEquals(resp['Content-Type'], RendererA.media_type)
self.assertEquals(resp.content, RENDERER_A_SERIALIZER(DUMMYCONTENT))
self.assertEquals(resp.status_code, DUMMYSTATUS)
def test_specified_renderer_serializes_content_default_case(self):
"""If the Accept header is set the specified renderer should serialize the response.
(In this case we check that works for the default renderer)"""
resp = self.client.get('/', HTTP_ACCEPT=RendererA.media_type)
self.assertEquals(resp['Content-Type'], RendererA.media_type)
self.assertEquals(resp.content, RENDERER_A_SERIALIZER(DUMMYCONTENT))
self.assertEquals(resp.status_code, DUMMYSTATUS)
def test_specified_renderer_serializes_content_non_default_case(self):
"""If the Accept header is set the specified renderer should serialize the response.
(In this case we check that works for a non-default renderer)"""
resp = self.client.get('/', HTTP_ACCEPT=RendererB.media_type)
self.assertEquals(resp['Content-Type'], RendererB.media_type)
self.assertEquals(resp.content, RENDERER_B_SERIALIZER(DUMMYCONTENT))
self.assertEquals(resp.status_code, DUMMYSTATUS)
def test_specified_renderer_serializes_content_on_accept_query(self):
"""The '_accept' query string should behave in the same way as the Accept header."""
param = '?%s=%s' % (
api_settings.URL_ACCEPT_OVERRIDE,
RendererB.media_type
)
resp = self.client.get('/' + param)
self.assertEquals(resp['Content-Type'], RendererB.media_type)
self.assertEquals(resp.content, RENDERER_B_SERIALIZER(DUMMYCONTENT))
self.assertEquals(resp.status_code, DUMMYSTATUS)
def test_specified_renderer_serializes_content_on_format_query(self):
"""If a 'format' query is specified, the renderer with the matching
format attribute should serialize the response."""
resp = self.client.get('/?format=%s' % RendererB.format)
self.assertEquals(resp['Content-Type'], RendererB.media_type)
self.assertEquals(resp.content, RENDERER_B_SERIALIZER(DUMMYCONTENT))
self.assertEquals(resp.status_code, DUMMYSTATUS)
def test_specified_renderer_serializes_content_on_format_kwargs(self):
"""If a 'format' keyword arg is specified, the renderer with the matching
format attribute should serialize the response."""
resp = self.client.get('/something.formatb')
self.assertEquals(resp['Content-Type'], RendererB.media_type)
self.assertEquals(resp.content, RENDERER_B_SERIALIZER(DUMMYCONTENT))
self.assertEquals(resp.status_code, DUMMYSTATUS)
def test_specified_renderer_is_used_on_format_query_with_matching_accept(self):
"""If both a 'format' query and a matching Accept header specified,
the renderer with the matching format attribute should serialize the response."""
resp = self.client.get('/?format=%s' % RendererB.format,
HTTP_ACCEPT=RendererB.media_type)
self.assertEquals(resp['Content-Type'], RendererB.media_type)
self.assertEquals(resp.content, RENDERER_B_SERIALIZER(DUMMYCONTENT))
self.assertEquals(resp.status_code, DUMMYSTATUS)
class Issue122Tests(TestCase):
"""
Tests that covers #122.
"""
urls = 'rest_framework.tests.response'
def test_only_html_renderer(self):
"""
Test if no infinite recursion occurs.
"""
self.client.get('/html')
def test_html_renderer_is_first(self):
"""
Test if no infinite recursion occurs.
"""
self.client.get('/html1')
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