mirror of
https://github.com/encode/django-rest-framework.git
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475 lines
19 KiB
Python
475 lines
19 KiB
Python
import unittest
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from django.conf.urls import include, url
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from django.core.exceptions import PermissionDenied
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from django.http import Http404
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from django.test import TestCase, override_settings
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from rest_framework import filters, pagination, permissions, serializers
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from rest_framework.compat import coreapi, coreschema
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from rest_framework.decorators import detail_route, list_route
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from rest_framework.request import Request
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from rest_framework.routers import DefaultRouter
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from rest_framework.schemas import SchemaGenerator, get_schema_view
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from rest_framework.test import APIClient, APIRequestFactory
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from rest_framework.views import APIView
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from rest_framework.viewsets import ModelViewSet
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factory = APIRequestFactory()
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class MockUser(object):
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def is_authenticated(self):
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return True
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class ExamplePagination(pagination.PageNumberPagination):
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page_size = 100
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page_size_query_param = 'page_size'
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class EmptySerializer(serializers.Serializer):
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pass
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class ExampleSerializer(serializers.Serializer):
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a = serializers.CharField(required=True, help_text='A field description')
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b = serializers.CharField(required=False)
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read_only = serializers.CharField(read_only=True)
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hidden = serializers.HiddenField(default='hello')
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class AnotherSerializer(serializers.Serializer):
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c = serializers.CharField(required=True)
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d = serializers.CharField(required=False)
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class ExampleViewSet(ModelViewSet):
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pagination_class = ExamplePagination
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permission_classes = [permissions.IsAuthenticatedOrReadOnly]
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filter_backends = [filters.OrderingFilter]
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serializer_class = ExampleSerializer
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@detail_route(methods=['post'], serializer_class=AnotherSerializer)
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def custom_action(self, request, pk):
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"""
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A description of custom action.
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"""
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return super(ExampleSerializer, self).retrieve(self, request)
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@list_route()
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def custom_list_action(self, request):
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return super(ExampleViewSet, self).list(self, request)
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@list_route(methods=['post', 'get'], serializer_class=EmptySerializer)
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def custom_list_action_multiple_methods(self, request):
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return super(ExampleViewSet, self).list(self, request)
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def get_serializer(self, *args, **kwargs):
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assert self.request
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assert self.action
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return super(ExampleViewSet, self).get_serializer(*args, **kwargs)
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if coreapi:
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schema_view = get_schema_view(title='Example API')
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else:
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def schema_view(request):
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pass
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router = DefaultRouter()
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router.register('example', ExampleViewSet, base_name='example')
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urlpatterns = [
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url(r'^$', schema_view),
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url(r'^', include(router.urls))
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]
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@unittest.skipUnless(coreapi, 'coreapi is not installed')
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@override_settings(ROOT_URLCONF='tests.test_schemas')
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class TestRouterGeneratedSchema(TestCase):
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def test_anonymous_request(self):
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client = APIClient()
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response = client.get('/', HTTP_ACCEPT='application/coreapi+json')
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assert response.status_code == 200
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expected = coreapi.Document(
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url='http://testserver/',
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title='Example API',
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content={
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'example': {
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'list': coreapi.Link(
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url='/example/',
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action='get',
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fields=[
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coreapi.Field('page', required=False, location='query', schema=coreschema.Integer(title='Page', description='A page number within the paginated result set.')),
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coreapi.Field('page_size', required=False, location='query', schema=coreschema.Integer(title='Page size', description='Number of results to return per page.')),
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coreapi.Field('ordering', required=False, location='query', schema=coreschema.String(title='Ordering', description='Which field to use when ordering the results.'))
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]
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),
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'custom_list_action': coreapi.Link(
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url='/example/custom_list_action/',
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action='get'
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),
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'custom_list_action_multiple_methods': {
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'read': coreapi.Link(
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url='/example/custom_list_action_multiple_methods/',
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action='get'
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)
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},
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'read': coreapi.Link(
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url='/example/{id}/',
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action='get',
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fields=[
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coreapi.Field('id', required=True, location='path', schema=coreschema.String())
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]
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)
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}
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}
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)
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assert response.data == expected
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def test_authenticated_request(self):
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client = APIClient()
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client.force_authenticate(MockUser())
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response = client.get('/', HTTP_ACCEPT='application/coreapi+json')
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assert response.status_code == 200
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expected = coreapi.Document(
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url='http://testserver/',
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title='Example API',
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content={
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'example': {
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'list': coreapi.Link(
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url='/example/',
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action='get',
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fields=[
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coreapi.Field('page', required=False, location='query', schema=coreschema.Integer(title='Page', description='A page number within the paginated result set.')),
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coreapi.Field('page_size', required=False, location='query', schema=coreschema.Integer(title='Page size', description='Number of results to return per page.')),
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coreapi.Field('ordering', required=False, location='query', schema=coreschema.String(title='Ordering', description='Which field to use when ordering the results.'))
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]
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),
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'create': coreapi.Link(
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url='/example/',
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action='post',
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encoding='application/json',
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fields=[
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coreapi.Field('a', required=True, location='form', schema=coreschema.String(title='A', description='A field description')),
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coreapi.Field('b', required=False, location='form', schema=coreschema.String(title='B'))
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]
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),
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'read': coreapi.Link(
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url='/example/{id}/',
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action='get',
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fields=[
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coreapi.Field('id', required=True, location='path', schema=coreschema.String())
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]
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),
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'custom_action': coreapi.Link(
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url='/example/{id}/custom_action/',
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action='post',
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encoding='application/json',
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description='A description of custom action.',
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fields=[
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coreapi.Field('id', required=True, location='path', schema=coreschema.String()),
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coreapi.Field('c', required=True, location='form', schema=coreschema.String(title='C')),
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coreapi.Field('d', required=False, location='form', schema=coreschema.String(title='D')),
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]
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),
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'custom_list_action': coreapi.Link(
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url='/example/custom_list_action/',
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action='get'
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),
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'custom_list_action_multiple_methods': {
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'read': coreapi.Link(
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url='/example/custom_list_action_multiple_methods/',
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action='get'
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),
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'create': coreapi.Link(
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url='/example/custom_list_action_multiple_methods/',
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action='post'
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)
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},
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'update': coreapi.Link(
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url='/example/{id}/',
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action='put',
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encoding='application/json',
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fields=[
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coreapi.Field('id', required=True, location='path', schema=coreschema.String()),
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coreapi.Field('a', required=True, location='form', schema=coreschema.String(title='A', description=('A field description'))),
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coreapi.Field('b', required=False, location='form', schema=coreschema.String(title='B'))
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]
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),
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'partial_update': coreapi.Link(
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url='/example/{id}/',
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action='patch',
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encoding='application/json',
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fields=[
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coreapi.Field('id', required=True, location='path', schema=coreschema.String()),
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coreapi.Field('a', required=False, location='form', schema=coreschema.String(title='A', description='A field description')),
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coreapi.Field('b', required=False, location='form', schema=coreschema.String(title='B'))
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]
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),
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'delete': coreapi.Link(
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url='/example/{id}/',
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action='delete',
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fields=[
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coreapi.Field('id', required=True, location='path', schema=coreschema.String())
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]
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)
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}
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}
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)
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assert response.data == expected
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class DenyAllUsingHttp404(permissions.BasePermission):
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def has_permission(self, request, view):
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raise Http404()
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def has_object_permission(self, request, view, obj):
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raise Http404()
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class DenyAllUsingPermissionDenied(permissions.BasePermission):
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def has_permission(self, request, view):
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raise PermissionDenied()
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def has_object_permission(self, request, view, obj):
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raise PermissionDenied()
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class Http404ExampleViewSet(ExampleViewSet):
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permission_classes = [DenyAllUsingHttp404]
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class PermissionDeniedExampleViewSet(ExampleViewSet):
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permission_classes = [DenyAllUsingPermissionDenied]
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class MethodLimitedViewSet(ExampleViewSet):
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permission_classes = []
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http_method_names = ['get', 'head', 'options']
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class ExampleListView(APIView):
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permission_classes = [permissions.IsAuthenticatedOrReadOnly]
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def get(self, *args, **kwargs):
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pass
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def post(self, request, *args, **kwargs):
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pass
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class ExampleDetailView(APIView):
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permission_classes = [permissions.IsAuthenticatedOrReadOnly]
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def get(self, *args, **kwargs):
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pass
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@unittest.skipUnless(coreapi, 'coreapi is not installed')
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class TestSchemaGenerator(TestCase):
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def setUp(self):
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self.patterns = [
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url('^example/?$', ExampleListView.as_view()),
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url('^example/(?P<pk>\d+)/?$', ExampleDetailView.as_view()),
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url('^example/(?P<pk>\d+)/sub/?$', ExampleDetailView.as_view()),
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]
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def test_schema_for_regular_views(self):
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"""
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Ensure that schema generation works for APIView classes.
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"""
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generator = SchemaGenerator(title='Example API', patterns=self.patterns)
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schema = generator.get_schema()
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expected = coreapi.Document(
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url='',
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title='Example API',
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content={
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'example': {
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'create': coreapi.Link(
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url='/example/',
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action='post',
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fields=[]
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),
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'list': coreapi.Link(
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url='/example/',
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action='get',
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fields=[]
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),
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'read': coreapi.Link(
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url='/example/{id}/',
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action='get',
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fields=[
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coreapi.Field('id', required=True, location='path', schema=coreschema.String())
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]
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),
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'sub': {
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'list': coreapi.Link(
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url='/example/{id}/sub/',
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action='get',
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fields=[
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coreapi.Field('id', required=True, location='path', schema=coreschema.String())
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]
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)
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}
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}
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}
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)
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assert schema == expected
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@unittest.skipUnless(coreapi, 'coreapi is not installed')
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class TestSchemaGeneratorNotAtRoot(TestCase):
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def setUp(self):
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self.patterns = [
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url('^api/v1/example/?$', ExampleListView.as_view()),
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url('^api/v1/example/(?P<pk>\d+)/?$', ExampleDetailView.as_view()),
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url('^api/v1/example/(?P<pk>\d+)/sub/?$', ExampleDetailView.as_view()),
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]
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def test_schema_for_regular_views(self):
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"""
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Ensure that schema generation with an API that is not at the URL
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root continues to use correct structure for link keys.
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"""
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generator = SchemaGenerator(title='Example API', patterns=self.patterns)
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schema = generator.get_schema()
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expected = coreapi.Document(
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url='',
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title='Example API',
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content={
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'example': {
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'create': coreapi.Link(
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url='/api/v1/example/',
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action='post',
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fields=[]
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),
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'list': coreapi.Link(
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url='/api/v1/example/',
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action='get',
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fields=[]
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),
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'read': coreapi.Link(
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url='/api/v1/example/{id}/',
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action='get',
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fields=[
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coreapi.Field('id', required=True, location='path', schema=coreschema.String())
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]
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),
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'sub': {
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'list': coreapi.Link(
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url='/api/v1/example/{id}/sub/',
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action='get',
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fields=[
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coreapi.Field('id', required=True, location='path', schema=coreschema.String())
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]
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)
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}
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}
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}
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)
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assert schema == expected
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@unittest.skipUnless(coreapi, 'coreapi is not installed')
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class TestSchemaGeneratorWithMethodLimitedViewSets(TestCase):
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def setUp(self):
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router = DefaultRouter()
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router.register('example1', MethodLimitedViewSet, base_name='example1')
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self.patterns = [
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url(r'^', include(router.urls))
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]
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def test_schema_for_regular_views(self):
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"""
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Ensure that schema generation works for ViewSet classes
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with method limitation by Django CBV's http_method_names attribute
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"""
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generator = SchemaGenerator(title='Example API', patterns=self.patterns)
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request = factory.get('/example1/')
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schema = generator.get_schema(Request(request))
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expected = coreapi.Document(
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url='http://testserver/example1/',
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title='Example API',
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content={
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'example1': {
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'list': coreapi.Link(
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url='/example1/',
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action='get',
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fields=[
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coreapi.Field('page', required=False, location='query', schema=coreschema.Integer(title='Page', description='A page number within the paginated result set.')),
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coreapi.Field('page_size', required=False, location='query', schema=coreschema.Integer(title='Page size', description='Number of results to return per page.')),
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coreapi.Field('ordering', required=False, location='query', schema=coreschema.String(title='Ordering', description='Which field to use when ordering the results.'))
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]
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),
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'custom_list_action': coreapi.Link(
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url='/example1/custom_list_action/',
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action='get'
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),
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'custom_list_action_multiple_methods': {
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'read': coreapi.Link(
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url='/example1/custom_list_action_multiple_methods/',
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action='get'
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)
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},
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'read': coreapi.Link(
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url='/example1/{id}/',
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action='get',
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fields=[
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coreapi.Field('id', required=True, location='path', schema=coreschema.String())
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]
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)
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}
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}
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)
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assert schema == expected
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@unittest.skipUnless(coreapi, 'coreapi is not installed')
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class TestSchemaGeneratorWithRestrictedViewSets(TestCase):
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def setUp(self):
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router = DefaultRouter()
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router.register('example1', Http404ExampleViewSet, base_name='example1')
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router.register('example2', PermissionDeniedExampleViewSet, base_name='example2')
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self.patterns = [
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url('^example/?$', ExampleListView.as_view()),
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url(r'^', include(router.urls))
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]
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def test_schema_for_regular_views(self):
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"""
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Ensure that schema generation works for ViewSet classes
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with permission classes raising exceptions.
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"""
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generator = SchemaGenerator(title='Example API', patterns=self.patterns)
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request = factory.get('/')
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schema = generator.get_schema(Request(request))
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expected = coreapi.Document(
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url='http://testserver/',
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title='Example API',
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content={
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'example': {
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'list': coreapi.Link(
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url='/example/',
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action='get',
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fields=[]
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),
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},
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}
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)
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assert schema == expected
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@unittest.skipUnless(coreapi, 'coreapi is not installed')
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class Test4605Regression(TestCase):
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def test_4605_regression(self):
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generator = SchemaGenerator()
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prefix = generator.determine_path_prefix([
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'/api/v1/items/',
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'/auth/convert-token/'
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])
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assert prefix == '/'
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