djangoldp/tests/performance_runner.py

 import sys
+import yaml
 
 import django
-from djangoldp.tests import settings_default
-from django.conf import settings
+from django.conf import settings as django_settings
+from djangoldp.conf.ldpsettings import LDPSettings
+from djangoldp.tests.server_settings import yaml_config
 
-# configure settings not to use pagination
-settings.configure(default_settings=settings_default,
-                   REST_FRAMEWORK = {
-                       'DEFAULT_PAGINATION_CLASS': None
-                   })
+# load test config
+config = yaml.safe_load(yaml_config)
+ldpsettings = LDPSettings(config)
+django_settings.configure(ldpsettings,
+                          REST_FRAMEWORK = {
+                                'DEFAULT_PAGINATION_CLASS': None
+                          },
+                          ANONYMOUS_USER_NAME=None)
 
 django.setup()
 from django.test.runner import DiscoverRunner

djangoldp/tests/permissions.py

+from djangoldp.filters import BaseFilterBackend
+from djangoldp.permissions import LDPBasePermission
+
+class StartsWithAFilter(BaseFilterBackend):
+    """Only objects whose title starts in A get through"""
+    def filter_queryset(self, request, queryset, view):
+        return queryset.filter(title__startswith='A')
+
+class ReadOnlyStartsWithA(LDPBasePermission):
+    """Only gives read-only access and only to objects which title starts with A"""
+    filter_backend = StartsWithAFilter
+    permissions = {'view', 'list'}
+    def check_perms(self, obj):
+        return getattr(obj, 'title', '').startswith('A')
+    def has_object_permission(self, request, view, obj=None):
+        return self.check_perms(obj)
+    def get_permissions(self, user, model, obj=None):
+        return self.permissions if self.check_perms(obj) else set()
+
+
+class ContainsSpace(BaseFilterBackend):
+    """Only objects whose title contains a space get through"""
+    def filter_queryset(self, request, queryset, view):
+        if request.user.username != 'toto':
+            return queryset.none()
+        return queryset.filter(title__contains=' ')
+
+class Only2WordsForToto(LDPBasePermission):
+    """Only gives access if the user's username is toto and only to objects whose title has two words (contains space)"""
+    filter_backend = ContainsSpace
+    def has_permission(self, request, view):
+        return request.user.username == 'toto'
+    def check_perms(self, obj):
+        return ' ' in getattr(obj, 'title', '')
+    def has_object_permission(self, request, view, obj=None):
+        return self.check_perms(obj)
+    def get_permissions(self, user, model, obj=None):
+        return self.permissions if self.check_perms(obj) else set()
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