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tests.py
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from uuid import uuid4
from time import sleep
from datetime import timedelta
from functools import reduce
from django.urls import reverse
from django.contrib.auth import get_user_model
from rest_framework.test import APITestCase, APIRequestFactory
from rest_framework.status import HTTP_200_OK, HTTP_201_CREATED, HTTP_204_NO_CONTENT, HTTP_403_FORBIDDEN
from rest_framework.exceptions import AuthenticationFailed
from rest_framework_jk import views
from rest_framework_jk.settings import api_settings
from rest_framework_jk.authentication import AuthKeyAuthentication, AccessKeyAuthentication
# Create your tests here.
UserModel = get_user_model()
factory = APIRequestFactory()
class Dict(dict):
"""
Expand dictionary instances.
"""
def merge(self, *args):
"""
Merge the dictionary instances into one.
"""
return reduce(lambda a, b: Dict(a, **b), args, self)
def fkeys(self, keys):
"""
Filter the dictionary instance with the specified keys.
:param set keys: Filter condition for keys.
"""
return Dict({key: value for key, value in self.items() if key in keys})
class BaseTestCase(APITestCase):
"""
Base test case.
"""
def setUp(self):
# Valid case
self.valid_credentials = Dict({
'username': 'valid-username',
'password': 'valid-password',
'email': 'valid-email@example.com',
})
self.valid_user = UserModel.objects.create_user(**self.valid_credentials)
# Invalid case
self.invalid_credentials = Dict({
'username': 'invalid-username',
'password': 'invalid-password',
'email': 'invalid-email@example.com',
})
self.invalid_user = UserModel(**self.invalid_credentials)
def get_valid_user_pass(self):
return self.valid_credentials.fkeys({'username', 'password'})
def get_invalid_user_pass(self):
return self.invalid_credentials.fkeys({'username', 'password'})
class AuthKeyTestCase(BaseTestCase):
"""
Test authentication key case.
"""
def authenticate(self, key):
authentication = AuthKeyAuthentication()
try:
authentication.authenticate_credentials(key)
except AuthenticationFailed:
return False
return True
def test_auth_obtain(self):
url = reverse('auth-list')
view = views.AuthKeyViewSet.as_view({'post': 'create'})
# Valid case
valid_request = factory.post(url, self.get_valid_user_pass())
valid_response = view(valid_request)
self.assertEqual(valid_response.status_code, HTTP_200_OK)
self.assertEqual(valid_response.data.keys(), {'auth_key', 'refresh_key'})
self.assertTrue(self.authenticate(valid_response.data['auth_key']))
# Invalid case
invalid_request = factory.post(url, self.get_invalid_user_pass())
invalid_response = view(invalid_request)
self.assertEqual(invalid_response.status_code, HTTP_403_FORBIDDEN)
self.assertEqual(invalid_response.data.keys(), {'detail'})
return (Dict(**valid_response.data), Dict(**invalid_response.data))
def test_auth_refresh(self):
url = reverse('auth-refresh')
view = views.AuthKeyViewSet.as_view({'put': 'refresh', 'patch': 'refresh'})
valid_data, invalid_data = self.test_auth_obtain()
# Valid case
valid_request = factory.patch(url, valid_data.fkeys({'auth_key', 'refresh_key'}))
valid_response = view(valid_request)
self.assertEqual(valid_response.status_code, HTTP_200_OK)
self.assertEqual(valid_response.data.keys(), {'auth_key', 'refresh_key'})
self.assertNotEqual(valid_response.data.get('auth_key'), valid_data.get('auth_key'))
self.assertNotEqual(valid_response.data.get('refresh_key'), valid_data.get('refresh_key'))
self.assertFalse(self.authenticate(valid_data.get('auth_key')))
# Invalid case
invalid_request = factory.patch(url, Dict({'auth_key': uuid4().hex, 'refresh_key': uuid4().hex}))
invalid_response = view(invalid_request)
self.assertEqual(invalid_response.status_code, HTTP_403_FORBIDDEN)
self.assertEqual(invalid_response.data.keys(), {'detail'})
def test_auth_refresh_with_lapsed_auth_key(self):
url = reverse('auth-refresh')
view = views.AuthKeyViewSet.as_view({'put': 'refresh', 'patch': 'refresh'})
valid_data, invalid_data = self.test_auth_obtain()
# Shorten expiration date
api_settings.AUTH_EXPIRATION_DELTA = timedelta(seconds=1)
sleep(1)
# Valid case
valid_request = factory.patch(url, valid_data.fkeys({'auth_key', 'refresh_key'}))
valid_response = view(valid_request)
self.assertEqual(valid_response.status_code, HTTP_200_OK)
self.assertEqual(valid_response.data.keys(), {'auth_key', 'refresh_key'})
self.assertNotEqual(valid_response.data.get('auth_key'), valid_data.get('auth_key'))
self.assertNotEqual(valid_response.data.get('refresh_key'), valid_data.get('refresh_key'))
self.assertFalse(self.authenticate(valid_data.get('auth_key')))
# Restore expiration date to default
api_settings.AUTH_EXPIRATION_DELTA = api_settings.defaults['AUTH_EXPIRATION_DELTA']
def test_auth_refresh_with_lapsed_refresh_key(self):
url = reverse('auth-refresh')
view = views.AuthKeyViewSet.as_view({'put': 'refresh', 'patch': 'refresh'})
valid_data, invalid_data = self.test_auth_obtain()
# Shorten expiration date
api_settings.REFRESH_EXPIRATION_DELTA = timedelta(seconds=1)
sleep(1)
# Invalid case
invalid_request = factory.patch(url, valid_data.fkeys({'auth_key', 'refresh_key'}))
invalid_response = view(invalid_request)
self.assertEqual(invalid_response.status_code, HTTP_403_FORBIDDEN)
self.assertEqual(invalid_response.data.keys(), {'detail'})
# Restore expiration date to default
api_settings.REFRESH_EXPIRATION_DELTA = api_settings.defaults['REFRESH_EXPIRATION_DELTA']
class AccessKeyTestCase(BaseTestCase):
"""
Test access key case.
"""
def authenticate(self, key):
authentication = AccessKeyAuthentication()
try:
authentication.authenticate_credentials(key)
except AuthenticationFailed:
return False
return True
def test_access_obtain(self):
url = reverse('access-list')
view = views.AccessKeyViewSet.as_view({'post': 'create'})
# Valid case
valid_request = factory.post(url)
valid_request.user = self.valid_user
valid_response = view(valid_request)
self.assertEqual(valid_response.status_code, HTTP_201_CREATED)
self.assertEqual(valid_response.data.keys(), {'id', 'key', 'name'})
self.assertTrue(self.authenticate(valid_response.data.get('key')))
# Invalid case
invalid_request = factory.post(url)
invalid_response = view(invalid_request)
self.assertEqual(invalid_response.status_code, HTTP_403_FORBIDDEN)
self.assertEqual(invalid_response.data.keys(), {'detail'})
return (Dict(**valid_response.data), Dict(**invalid_response.data))
def test_access_refresh(self):
valid_data, invalid_data = self.test_access_obtain()
url = reverse('access-refresh', kwargs={'pk': valid_data.get('id')})
view = views.AccessKeyViewSet.as_view({'put': 'refresh', 'patch': 'refresh'})
# Valid case
valid_request = factory.patch(url)
valid_request.user = self.valid_user
valid_response = view(valid_request, pk=valid_data.get('id'))
self.assertEqual(valid_response.status_code, HTTP_200_OK)
self.assertEqual(valid_response.data.keys(), {'access_key'})
self.assertNotEqual(valid_response.data.get('access_key'), valid_data.get('key'))
self.assertFalse(self.authenticate(valid_data.get('key')))
# Invalid case
invalid_request = factory.patch(url)
invalid_response = view(invalid_request, pk=valid_data.get('id'))
self.assertEqual(invalid_response.status_code, HTTP_403_FORBIDDEN)
self.assertEqual(invalid_response.data.keys(), {'detail'})
def test_access_destroy(self):
valid_data, invalid_data = self.test_access_obtain()
url = reverse('access-detail', kwargs={'pk': valid_data.get('id')})
view = views.AccessKeyViewSet.as_view({'delete': 'destroy'})
# Valid case
valid_request = factory.delete(url)
valid_request.user = self.valid_user
valid_response = view(valid_request, pk=valid_data.get('id'))
self.assertEqual(valid_response.status_code, HTTP_204_NO_CONTENT)
self.assertFalse(self.authenticate(valid_data.get('access_key')))
# Invalid case
invalid_request = factory.delete(url)
invalid_response = view(invalid_request, pk=valid_data.get('id'))
self.assertEqual(invalid_response.status_code, HTTP_403_FORBIDDEN)
self.assertEqual(invalid_response.data.keys(), {'detail'})