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			330 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			330 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
from django.conf.urls.defaults import patterns, url
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from django.test import TestCase
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from djangorestframework import status
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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, JSONRenderer, YAMLRenderer, \
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    XMLRenderer, JSONPRenderer
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from djangorestframework.parsers import JSONParser, YAMLParser
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from djangorestframework.mixins import ResponseMixin
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from djangorestframework.response import Response
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from StringIO import StringIO
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import datetime
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from decimal import Decimal
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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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    renderers = (RendererA, RendererB)
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    def get(self, request, **kwargs):
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        response = Response(DUMMYSTATUS, DUMMYCONTENT)
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        return self.render(response)
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class MockGETView(View):
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    def get(self, request, **kwargs):
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        return {'foo': ['bar', 'baz']}
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urlpatterns = patterns('',
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    url(r'^.*\.(?P<format>.+)$', MockView.as_view(renderers=[RendererA, RendererB])),
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    url(r'^$', MockView.as_view(renderers=[RendererA, RendererB])),
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    url(r'^jsonp/jsonrenderer$', MockGETView.as_view(renderers=[JSONRenderer, JSONPRenderer])),
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    url(r'^jsonp/nojsonrenderer$', MockGETView.as_view(renderers=[JSONPRenderer])),
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)
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class RendererIntegrationTests(TestCase):
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    """
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    End-to-end testing of renderers using an RendererMixin on a generic view.
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    """
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    urls = 'djangorestframework.tests.renderers'
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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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    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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_flat_repr = '{"foo": ["bar", "baz"]}'
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_indented_repr = '{\n  "foo": [\n    "bar", \n    "baz"\n  ]\n}'
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class JSONRendererTests(TestCase):
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    """
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    Tests specific to the JSON Renderer
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    """
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    def test_without_content_type_args(self):
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        """
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        Test basic JSON rendering.
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        """
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        obj = {'foo': ['bar', 'baz']}
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        renderer = JSONRenderer(None)
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        content = renderer.render(obj, 'application/json')
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        self.assertEquals(content, _flat_repr)
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    def test_with_content_type_args(self):
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        """
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        Test JSON rendering with additional content type arguments supplied.
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        """
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        obj = {'foo': ['bar', 'baz']}
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        renderer = JSONRenderer(None)
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        content = renderer.render(obj, 'application/json; indent=2')
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        self.assertEquals(content, _indented_repr)
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    def test_render_and_parse(self):
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        """
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        Test rendering and then parsing returns the original object.
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        IE obj -> render -> parse -> obj.
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        """
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        obj = {'foo': ['bar', 'baz']}
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        renderer = JSONRenderer(None)
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        parser = JSONParser(None)
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        content = renderer.render(obj, 'application/json')
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        (data, files) = parser.parse(StringIO(content))
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        self.assertEquals(obj, data)
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class JSONPRendererTests(TestCase):
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    """
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    Tests specific to the JSONP Renderer
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    """
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    urls = 'djangorestframework.tests.renderers'
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    def test_without_callback_with_json_renderer(self):
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        """
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        Test JSONP rendering with View JSON Renderer.
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        """
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        resp = self.client.get('/jsonp/jsonrenderer',
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                               HTTP_ACCEPT='application/json-p')
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        self.assertEquals(resp.status_code, 200)
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        self.assertEquals(resp['Content-Type'], 'application/json-p')
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        self.assertEquals(resp.content, 'callback(%s);' % _flat_repr)
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    def test_without_callback_without_json_renderer(self):
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        """
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        Test JSONP rendering without View JSON Renderer.
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        """
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        resp = self.client.get('/jsonp/nojsonrenderer',
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                               HTTP_ACCEPT='application/json-p')
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        self.assertEquals(resp.status_code, 200)
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        self.assertEquals(resp['Content-Type'], 'application/json-p')
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        self.assertEquals(resp.content, 'callback(%s);' % _flat_repr)
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    def test_with_callback(self):
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        """
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        Test JSONP rendering with callback function name.
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        """
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        callback_func = 'myjsonpcallback'
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        resp = self.client.get('/jsonp/nojsonrenderer?callback=' + callback_func,
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                               HTTP_ACCEPT='application/json-p')
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        self.assertEquals(resp.status_code, 200)
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        self.assertEquals(resp['Content-Type'], 'application/json-p')
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        self.assertEquals(resp.content, '%s(%s);' % (callback_func, _flat_repr))
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if YAMLRenderer:
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    _yaml_repr = 'foo: [bar, baz]\n'
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    class YAMLRendererTests(TestCase):
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        """
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        Tests specific to the JSON Renderer
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        """
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        def test_render(self):
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            """
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            Test basic YAML rendering.
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            """
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            obj = {'foo': ['bar', 'baz']}
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            renderer = YAMLRenderer(None)
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            content = renderer.render(obj, 'application/yaml')
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            self.assertEquals(content, _yaml_repr)
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        def test_render_and_parse(self):
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            """
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            Test rendering and then parsing returns the original object.
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            IE obj -> render -> parse -> obj.
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            """
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            obj = {'foo': ['bar', 'baz']}
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            renderer = YAMLRenderer(None)
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            parser = YAMLParser(None)
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            content = renderer.render(obj, 'application/yaml')
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            (data, files) = parser.parse(StringIO(content))
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            self.assertEquals(obj, data)
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class XMLRendererTestCase(TestCase):
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    """
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    Tests specific to the XML Renderer
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    """
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    def test_render_string(self):
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        """
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        Test XML rendering.
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        """
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        renderer = XMLRenderer(None)
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        content = renderer.render({'field': 'astring'}, 'application/xml')
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        self.assertXMLContains(content, '<field>astring</field>')
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    def test_render_integer(self):
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        """
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        Test XML rendering.
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        """
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        renderer = XMLRenderer(None)
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        content = renderer.render({'field': 111}, 'application/xml')
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        self.assertXMLContains(content, '<field>111</field>')
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    def test_render_datetime(self):
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        """
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        Test XML rendering.
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        """
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        renderer = XMLRenderer(None)
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        content = renderer.render({
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            'field': datetime.datetime(2011, 12, 25, 12, 45, 00)
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        }, 'application/xml')
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        self.assertXMLContains(content, '<field>2011-12-25 12:45:00</field>')
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    def test_render_float(self):
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        """
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        Test XML rendering.
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        """
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        renderer = XMLRenderer(None)
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        content = renderer.render({'field': 123.4}, 'application/xml')
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        self.assertXMLContains(content, '<field>123.4</field>')
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    def test_render_decimal(self):
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        """
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        Test XML rendering.
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        """
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        renderer = XMLRenderer(None)
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        content = renderer.render({'field': Decimal('111.2')}, 'application/xml')
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        self.assertXMLContains(content, '<field>111.2</field>')
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    def test_render_none(self):
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        """
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        Test XML rendering.
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        """
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        renderer = XMLRenderer(None)
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        content = renderer.render({'field': None}, 'application/xml')
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        self.assertXMLContains(content, '<field></field>')
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    def assertXMLContains(self, xml, string):
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        self.assertTrue(xml.startswith('<?xml version="1.0" encoding="utf-8"?>\n<root>'))
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        self.assertTrue(xml.endswith('</root>'))
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        self.assertTrue(string in xml, '%r not in %r' % (string, xml))
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