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from __future__ import unicode_literals
from django.test import TestCase
from django.test.client import RequestFactory
from rest_framework.negotiation import DefaultContentNegotiation
from rest_framework.request import Request
from rest_framework.renderers import BaseRenderer
factory = RequestFactory()
class MockJSONRenderer(BaseRenderer):
media_type = 'application/json'
class MockHTMLRenderer(BaseRenderer):
media_type = 'text/html'
class NoCharsetSpecifiedRenderer(BaseRenderer):
media_type = 'my/media'
class CharsetSpecifiedRenderer(BaseRenderer):
media_type = 'my/media'
charset = 'mycharset'
class TestAcceptedMediaType(TestCase):
def setUp(self):
self.renderers = [MockJSONRenderer(), MockHTMLRenderer()]
self.negotiator = DefaultContentNegotiation()
def select_renderer(self, request):
return self.negotiator.select_renderer(request, self.renderers)
def test_client_without_accept_use_renderer(self):
request = Request(factory.get('/'))
accepted_renderer, accepted_media_type, charset = self.select_renderer(request)
self.assertEqual(accepted_media_type, 'application/json')
def test_client_underspecifies_accept_use_renderer(self):
request = Request(factory.get('/', HTTP_ACCEPT='*/*'))
accepted_renderer, accepted_media_type, charset = self.select_renderer(request)
self.assertEqual(accepted_media_type, 'application/json')
def test_client_overspecifies_accept_use_client(self):
request = Request(factory.get('/', HTTP_ACCEPT='application/json; indent=8'))
accepted_renderer, accepted_media_type, charset = self.select_renderer(request)
self.assertEqual(accepted_media_type, 'application/json; indent=8')
class TestCharset(TestCase):
def setUp(self):
self.renderers = [NoCharsetSpecifiedRenderer()]
self.negotiator = DefaultContentNegotiation()
def test_returns_none_if_no_charset_set(self):
request = Request(factory.get('/'))
renderers = [NoCharsetSpecifiedRenderer()]
_, _, charset = self.negotiator.select_renderer(request, renderers)
self.assertIsNone(charset)
def test_returns_attribute_from_renderer_if_charset_is_set(self):
request = Request(factory.get('/'))
renderers = [CharsetSpecifiedRenderer()]
_, _, charset = self.negotiator.select_renderer(request, renderers)
self.assertEquals(CharsetSpecifiedRenderer.charset, charset)
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