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from __future__ import unicode_literals
from django.db import models
from django.test import TestCase
from django.core.exceptions import ImproperlyConfigured
from rest_framework import serializers, viewsets, permissions
from rest_framework.compat import include, patterns, url
from rest_framework.decorators import link, action
from rest_framework.response import Response
from rest_framework.routers import SimpleRouter, DefaultRouter
from rest_framework.test import APIRequestFactory
factory = APIRequestFactory()
urlpatterns = patterns('',)
class BasicViewSet(viewsets.ViewSet):
def list(self, request, *args, **kwargs):
return Response({'method': 'list'})
@action()
def action1(self, request, *args, **kwargs):
return Response({'method': 'action1'})
@action()
def action2(self, request, *args, **kwargs):
return Response({'method': 'action2'})
@action(methods=['post', 'delete'])
def action3(self, request, *args, **kwargs):
return Response({'method': 'action2'})
@link()
def link1(self, request, *args, **kwargs):
return Response({'method': 'link1'})
@link()
def link2(self, request, *args, **kwargs):
return Response({'method': 'link2'})
class TestSimpleRouter(TestCase):
def setUp(self):
self.router = SimpleRouter()
def test_link_and_action_decorator(self):
routes = self.router.get_routes(BasicViewSet)
decorator_routes = routes[2:]
# Make sure all these endpoints exist and none have been clobbered
for i, endpoint in enumerate(['action1', 'action2', 'action3', 'link1', 'link2']):
route = decorator_routes[i]
# check url listing
self.assertEqual(route.url,
'^{{prefix}}/{{lookup}}/{0}{{trailing_slash}}$'.format(endpoint))
# check method to function mapping
if endpoint == 'action3':
methods_map = ['post', 'delete']
elif endpoint.startswith('action'):
methods_map = ['post']
else:
methods_map = ['get']
for method in methods_map:
self.assertEqual(route.mapping[method], endpoint)
class RouterTestModel(models.Model):
uuid = models.CharField(max_length=20)
text = models.CharField(max_length=200)
class TestCustomLookupFields(TestCase):
"""
Ensure that custom lookup fields are correctly routed.
"""
urls = 'rest_framework.tests.test_routers'
def setUp(self):
class NoteSerializer(serializers.HyperlinkedModelSerializer):
class Meta:
model = RouterTestModel
lookup_field = 'uuid'
fields = ('url', 'uuid', 'text')
class NoteViewSet(viewsets.ModelViewSet):
queryset = RouterTestModel.objects.all()
serializer_class = NoteSerializer
lookup_field = 'uuid'
RouterTestModel.objects.create(uuid='123', text='foo bar')
self.router = SimpleRouter()
self.router.register(r'notes', NoteViewSet)
from rest_framework.tests import test_routers
urls = getattr(test_routers, 'urlpatterns')
urls += patterns('',
url(r'^', include(self.router.urls)),
)
def test_custom_lookup_field_route(self):
detail_route = self.router.urls[-1]
detail_url_pattern = detail_route.regex.pattern
self.assertIn('<uuid>', detail_url_pattern)
def test_retrieve_lookup_field_list_view(self):
response = self.client.get('/notes/')
self.assertEqual(response.data,
[{
"url": "http://testserver/notes/123/",
"uuid": "123", "text": "foo bar"
}]
)
def test_retrieve_lookup_field_detail_view(self):
response = self.client.get('/notes/123/')
self.assertEqual(response.data,
{
"url": "http://testserver/notes/123/",
"uuid": "123", "text": "foo bar"
}
)
class TestTrailingSlashIncluded(TestCase):
def setUp(self):
class NoteViewSet(viewsets.ModelViewSet):
model = RouterTestModel
self.router = SimpleRouter()
self.router.register(r'notes', NoteViewSet)
self.urls = self.router.urls
def test_urls_have_trailing_slash_by_default(self):
expected = ['^notes/$', '^notes/(?P<pk>[^/]+)/$']
for idx in range(len(expected)):
self.assertEqual(expected[idx], self.urls[idx].regex.pattern)
class TestTrailingSlashRemoved(TestCase):
def setUp(self):
class NoteViewSet(viewsets.ModelViewSet):
model = RouterTestModel
self.router = SimpleRouter(trailing_slash=False)
self.router.register(r'notes', NoteViewSet)
self.urls = self.router.urls
def test_urls_can_have_trailing_slash_removed(self):
expected = ['^notes$', '^notes/(?P<pk>[^/.]+)$']
for idx in range(len(expected)):
self.assertEqual(expected[idx], self.urls[idx].regex.pattern)
class TestNameableRoot(TestCase):
def setUp(self):
class NoteViewSet(viewsets.ModelViewSet):
model = RouterTestModel
self.router = DefaultRouter()
self.router.root_view_name = 'nameable-root'
self.router.register(r'notes', NoteViewSet)
self.urls = self.router.urls
def test_router_has_custom_name(self):
expected = 'nameable-root'
self.assertEqual(expected, self.urls[0].name)
class TestActionKeywordArgs(TestCase):
"""
Ensure keyword arguments passed in the `@action` decorator
are properly handled. Refs #940.
"""
def setUp(self):
class TestViewSet(viewsets.ModelViewSet):
permission_classes = []
@action(permission_classes=[permissions.AllowAny])
def custom(self, request, *args, **kwargs):
return Response({
'permission_classes': self.permission_classes
})
self.router = SimpleRouter()
self.router.register(r'test', TestViewSet, base_name='test')
self.view = self.router.urls[-1].callback
def test_action_kwargs(self):
request = factory.post('/test/0/custom/')
response = self.view(request)
self.assertEqual(
response.data,
{'permission_classes': [permissions.AllowAny]}
)
class TestActionAppliedToExistingRoute(TestCase):
"""
Ensure `@action` decorator raises an except when applied
to an existing route
"""
def test_exception_raised_when_action_applied_to_existing_route(self):
class TestViewSet(viewsets.ModelViewSet):
@action()
def retrieve(self, request, *args, **kwargs):
return Response({
'hello': 'world'
})
self.router = SimpleRouter()
self.router.register(r'test', TestViewSet, base_name='test')
with self.assertRaises(ImproperlyConfigured):
self.router.urls
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