mirror of
https://gitlab.crans.org/bde/nk20
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241 lines
9.4 KiB
Python
241 lines
9.4 KiB
Python
# Copyright (C) 2018-2021 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-later
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import json
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from datetime import datetime, date
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from decimal import Decimal
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from urllib.parse import quote_plus
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from warnings import warn
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from django.contrib.auth.models import User
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from django.contrib.contenttypes.models import ContentType
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from django.db.models.fields.files import ImageFieldFile
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from django.test import TestCase
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from django_filters.rest_framework import DjangoFilterBackend
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from member.models import Membership, Club
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from note.models import NoteClub, NoteUser, Alias, Note
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from permission.models import PermissionMask, Permission, Role
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from phonenumbers import PhoneNumber
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from rest_framework.filters import SearchFilter, OrderingFilter
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from .viewsets import ContentTypeViewSet, UserViewSet
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class TestAPI(TestCase):
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"""
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Load API pages and check that filters are working.
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"""
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fixtures = ('initial', )
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def setUp(self) -> None:
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self.user = User.objects.create_superuser(
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username="adminapi",
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password="adminapi",
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email="adminapi@example.com",
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last_name="Admin",
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first_name="Admin",
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)
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self.client.force_login(self.user)
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sess = self.client.session
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sess["permission_mask"] = 42
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sess.save()
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def check_viewset(self, viewset, url):
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"""
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This function should be called inside a unit test.
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This loads the viewset and for each filter entry, it checks that the filter is running good.
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"""
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resp = self.client.get(url + "?format=json")
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self.assertEqual(resp.status_code, 200)
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model = viewset.serializer_class.Meta.model
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if not model.objects.exists(): # pragma: no cover
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warn(f"Warning: unable to test API filters for the model {model._meta.verbose_name} "
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"since there is no instance of it.")
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return
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if hasattr(viewset, "filter_backends"):
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backends = viewset.filter_backends
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obj = model.objects.last()
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if DjangoFilterBackend in backends:
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# Specific search
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for field in viewset.filterset_fields:
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obj = self.fix_note_object(obj, field)
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value = self.get_value(obj, field)
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if value is None: # pragma: no cover
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warn(f"Warning: the filter {field} for the model {model._meta.verbose_name} "
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"has not been tested.")
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continue
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resp = self.client.get(url + f"?format=json&{field}={quote_plus(str(value))}")
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self.assertEqual(resp.status_code, 200, f"The filter {field} for the model "
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f"{model._meta.verbose_name} does not work. "
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f"Given parameter: {value}")
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content = json.loads(resp.content)
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self.assertGreater(content["count"], 0, f"The filter {field} for the model "
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f"{model._meta.verbose_name} does not work. "
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f"Given parameter: {value}")
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if OrderingFilter in backends:
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# Ensure that ordering is working well
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for field in viewset.ordering_fields:
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resp = self.client.get(url + f"?ordering={field}")
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self.assertEqual(resp.status_code, 200)
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resp = self.client.get(url + f"?ordering=-{field}")
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self.assertEqual(resp.status_code, 200)
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if SearchFilter in backends:
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# Basic search
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for field in viewset.search_fields:
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obj = self.fix_note_object(obj, field)
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if field[0] == '$' or field[0] == '=':
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field = field[1:]
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value = self.get_value(obj, field)
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if value is None: # pragma: no cover
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warn(f"Warning: the filter {field} for the model {model._meta.verbose_name} "
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"has not been tested.")
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continue
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resp = self.client.get(url + f"?format=json&search={quote_plus(str(value))}")
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self.assertEqual(resp.status_code, 200, f"The filter {field} for the model "
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f"{model._meta.verbose_name} does not work. "
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f"Given parameter: {value}")
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content = json.loads(resp.content)
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self.assertGreater(content["count"], 0, f"The filter {field} for the model "
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f"{model._meta.verbose_name} does not work. "
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f"Given parameter: {value}")
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self.check_permissions(url, obj)
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def check_permissions(self, url, obj):
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"""
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Check that permissions are working
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"""
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# Drop rights
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self.user.is_superuser = False
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self.user.save()
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sess = self.client.session
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sess["permission_mask"] = 0
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sess.save()
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# Delete user permissions
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for m in Membership.objects.filter(user=self.user).all():
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m.roles.clear()
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m.save()
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# Create a new role, which will have the checking permission
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role = Role.objects.get_or_create(name="β-tester")[0]
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role.permissions.clear()
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role.save()
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membership = Membership.objects.get_or_create(user=self.user, club=Club.objects.get(name="BDE"))[0]
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membership.roles.set([role])
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membership.save()
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# Ensure that the access to the object is forbidden without permission
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resp = self.client.get(url + f"{obj.pk}/")
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self.assertEqual(resp.status_code, 404, f"Mysterious access to {url}{obj.pk}/ for {obj}")
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obj.refresh_from_db()
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# There are problems with polymorphism
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if isinstance(obj, Note) and hasattr(obj, "note_ptr"):
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obj = obj.note_ptr
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mask = PermissionMask.objects.get(rank=0)
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for field in obj._meta.fields:
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# Build permission query
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value = self.get_value(obj, field.name)
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if isinstance(value, date) or isinstance(value, datetime):
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value = value.isoformat()
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elif isinstance(value, ImageFieldFile):
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value = value.name
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elif isinstance(value, Decimal):
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value = str(value)
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query = json.dumps({field.name: value})
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# Create sample permission
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permission = Permission.objects.get_or_create(
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model=ContentType.objects.get_for_model(obj._meta.model),
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query=query,
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mask=mask,
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type="view",
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permanent=False,
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description=f"Can view {obj._meta.verbose_name}",
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)[0]
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role.permissions.set([permission])
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role.save()
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# Check that the access is possible
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resp = self.client.get(url + f"{obj.pk}/")
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self.assertEqual(resp.status_code, 200, f"Permission {permission.query} is not working "
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f"for the model {obj._meta.verbose_name}")
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# Restore rights
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self.user.is_superuser = True
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self.user.save()
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sess = self.client.session
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sess["permission_mask"] = 42
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sess.save()
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@staticmethod
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def get_value(obj, key: str):
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"""
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Resolve the queryset filter to get the Python value of an object.
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"""
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if hasattr(obj, "all"):
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# obj is a RelatedManager
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obj = obj.last()
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if obj is None: # pragma: no cover
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return None
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if '__' not in key:
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obj = getattr(obj, key)
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if hasattr(obj, "pk"):
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return obj.pk
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elif hasattr(obj, "all"):
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if not obj.exists(): # pragma: no cover
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return None
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return obj.last().pk
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elif isinstance(obj, bool):
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return int(obj)
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elif isinstance(obj, datetime):
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return obj.isoformat()
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elif isinstance(obj, PhoneNumber):
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return obj.raw_input
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return obj
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key, remaining = key.split('__', 1)
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return TestAPI.get_value(getattr(obj, key), remaining)
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@staticmethod
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def fix_note_object(obj, field):
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"""
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When querying an object that has a noteclub or a noteuser field,
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ensure that the object has a good value.
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"""
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if isinstance(obj, Alias):
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if "noteuser" in field:
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return NoteUser.objects.last().alias.last()
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elif "noteclub" in field:
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return NoteClub.objects.last().alias.last()
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elif isinstance(obj, Note):
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if "noteuser" in field:
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return NoteUser.objects.last()
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elif "noteclub" in field:
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return NoteClub.objects.last()
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return obj
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class TestBasicAPI(TestAPI):
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def test_user_api(self):
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"""
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Load the user page.
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"""
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self.check_viewset(ContentTypeViewSet, "/api/models/")
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self.check_viewset(UserViewSet, "/api/user/")
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