def test_should_use_view__get_queryset__and_filter_it_with__filter_queryset(self):
expected = (u'SELECT "tests_app_bittestmodel"."id", "tests_app_bittestmodel"."is_active" '
u'FROM "tests_app_bittestmodel" '
u'WHERE "tests_app_bittestmodel"."is_active" = True{space}')
if get_django_features()['has_odd_space_in_sql_query']:
space = ' '
else:
space = ''
expected = expected.format(space=space)
response = ListSqlQueryKeyBit().get_data(**self.kwargs)
self.assertEqual(response, expected)
def test_should_use_view__get_queryset__and_filter_it_with__filter_queryset(self):
expected = (u'SELECT "tests_app_bittestmodel"."id", "tests_app_bittestmodel"."is_active" '
u'FROM "tests_app_bittestmodel" '
u'WHERE "tests_app_bittestmodel"."is_active" = True{space}')
if get_django_features()['has_odd_space_in_sql_query']:
space = ' '
else:
space = ''
expected = expected.format(space=space)
response = ListSqlQueryKeyBit().get_data(**self.kwargs)
self.assertEqual(response, expected)
def test_should_use_view__get_queryset__and_filter_it_with__filter_queryset__and_filter_by__lookup_field(self):
expected = (
u'SELECT "tests_app_bittestmodel"."id", "tests_app_bittestmodel"."is_active" '
u'FROM "tests_app_bittestmodel" '
u'WHERE ("tests_app_bittestmodel"."is_active" = True {space}AND "tests_app_bittestmodel"."id" = 123{space})'
)
if get_django_features()["has_odd_space_in_sql_query"]:
space = " "
else:
space = ""
expected = expected.format(space=space)
response = RetrieveSqlQueryKeyBit().get_data(**self.kwargs)
self.assertEqual(response, expected)
class CacheResponseTest(TestCase):
def setUp(self):
super(CacheResponseTest, self).setUp()
self.request = factory.get('')
self.cache = get_cache(extensions_api_settings.DEFAULT_USE_CACHE)
def test_should_return_response_if_it_is_not_in_cache(self):
class TestView(views.APIView):
@cache_response()
def get(self, request, *args, **kwargs):
return Response('Response from method 1')
view_instance = TestView()
response = view_instance.dispatch(request=self.request)
self.assertEqual(response.data, 'Response from method 1')
self.assertEqual(type(response), Response)
@override_extensions_api_settings(
DEFAULT_CACHE_KEY_FUNC=Mock(return_value='cache_response_key'))
def test_should_store_response_in_cache_by_key_function_which_specified_in_settings(
self):
class TestView(views.APIView):
@cache_response()
def get(self, request, *args, **kwargs):
return Response('Response from method 2')
view_instance = TestView()
response = view_instance.dispatch(request=self.request)
self.assertEqual(
cache.get('cache_response_key').content, response.content)
self.assertEqual(type(response), Response)
def test_should_store_response_in_cache_by_key_function_which_specified_in_arguments(
self):
def key_func(*args, **kwargs):
return 'cache_response_key_from_func'
class TestView(views.APIView):
@cache_response(key_func=key_func)
def get(self, request, *args, **kwargs):
return Response('Response from method 3')
view_instance = TestView()
response = view_instance.dispatch(request=self.request)
self.assertEqual(
cache.get('cache_response_key_from_func').content,
response.content)
self.assertEqual(type(response), Response)
def test_should_store_response_in_cache_by_key_which_calculated_by_view_method__if__key_func__is_string(
self):
class TestView(views.APIView):
@cache_response(key_func='key_func')
def get(self, request, *args, **kwargs):
return Response('Response from method 3')
def key_func(self, *args, **kwargs):
return 'cache_response_key_from_method'
view_instance = TestView()
response = view_instance.dispatch(request=self.request)
self.assertEqual(
cache.get('cache_response_key_from_method').content,
response.content)
self.assertEqual(type(response), Response)
def test_key_func_call_arguments(self):
called_with_kwargs = {}
def key_func(**kwargs):
called_with_kwargs.update(kwargs)
return 'cache_response_key_from_func'
class TestView(views.APIView):
@cache_response(key_func=key_func)
def get(self, request, *args, **kwargs):
return Response('Response from method 3')
view_instance = TestView()
response = view_instance.dispatch(self.request, 'hello', hello='world')
self.assertEqual(called_with_kwargs.get('view_instance'),
view_instance)
# self.assertEqual(called_with_kwargs.get('view_method'), view_instance.get) # todo: test me
self.assertEqual(called_with_kwargs.get('args'), ('hello', ))
self.assertEqual(called_with_kwargs.get('kwargs'), {'hello': 'world'})
@override_extensions_api_settings(
DEFAULT_CACHE_RESPONSE_TIMEOUT=100,
DEFAULT_CACHE_KEY_FUNC=Mock(return_value='cache_response_key'))
def test_should_store_response_in_cache_with_timeout_from_settings(self):
cache_response_decorator = cache_response()
cache_response_decorator.cache.set = Mock()
class TestView(views.APIView):
@cache_response_decorator
def get(self, request, *args, **kwargs):
return Response('Response from method 4')
view_instance = TestView()
response = view_instance.dispatch(request=self.request)
self.assertTrue(cache_response_decorator.cache.set.called,
'Cache saving should be performed')
self.assertEqual(
cache_response_decorator.cache.set.call_args_list[0][0][2], 100)
def test_should_store_response_in_cache_with_timeout_from_arguments(self):
cache_response_decorator = cache_response(timeout=3)
cache_response_decorator.cache.set = Mock()
class TestView(views.APIView):
@cache_response_decorator
def get(self, request, *args, **kwargs):
return Response('Response from method 4')
view_instance = TestView()
response = view_instance.dispatch(request=self.request)
self.assertTrue(cache_response_decorator.cache.set.called,
'Cache saving should be performed')
self.assertEqual(
cache_response_decorator.cache.set.call_args_list[0][0][2], 3)
def test_should_return_response_from_cache_if_it_is_in_it(self):
def key_func(**kwargs):
return 'cache_response_key'
class TestView(views.APIView):
@cache_response(key_func=key_func)
def get(self, request, *args, **kwargs):
return Response(u'Response from method 4')
view_instance = TestView()
view_instance.headers = {}
cached_response = Response(u'Cached response from method 4')
view_instance.finalize_response(request=self.request,
response=cached_response)
cached_response.render()
self.cache.set('cache_response_key', cached_response)
response = view_instance.dispatch(request=self.request)
self.assertEqual(response.content.decode('utf-8'),
u'"Cached response from method 4"')
@override_extensions_api_settings(DEFAULT_USE_CACHE='special_cache')
def test_should_use_cache_from_settings_by_default(self):
def key_func(**kwargs):
return 'cache_response_key'
class TestView(views.APIView):
@cache_response(key_func=key_func)
def get(self, request, *args, **kwargs):
return Response(u'Response from method 5')
view_instance = TestView()
view_instance.dispatch(request=self.request)
data_from_cache = get_cache('special_cache').get('cache_response_key')
self.assertTrue(hasattr(data_from_cache, 'content'))
self.assertEqual(data_from_cache.content.decode('utf-8'),
u'"Response from method 5"')
@override_extensions_api_settings(DEFAULT_USE_CACHE='special_cache')
def test_should_use_cache_from_decorator_if_it_is_specified(self):
def key_func(**kwargs):
return 'cache_response_key'
class TestView(views.APIView):
@cache_response(key_func=key_func, cache='another_special_cache')
def get(self, request, *args, **kwargs):
return Response(u'Response from method 6')
view_instance = TestView()
view_instance.dispatch(request=self.request)
data_from_cache = get_cache('another_special_cache').get(
'cache_response_key')
self.assertTrue(hasattr(data_from_cache, 'content'))
self.assertEqual(data_from_cache.content.decode('utf-8'),
u'"Response from method 6"')
@unittest.skipUnless(
get_django_features()['caches_singleton'],
"Current django version doesn't support caches singleton")
def test_should_reuse_cache_singleton(self):
"""
https://github.com/chibisov/drf-extensions/issues/26
https://docs.djangoproject.com/en/dev/topics/cache/#django.core.cache.caches
"""
cache_response_instance = cache_response()
another_cache_response_instance = cache_response()
self.assertTrue(cache_response_instance.cache is
another_cache_response_instance.cache)
def test_dont_cache_response_with_error_if_cache_error_false(self):
cache_response_decorator = cache_response(cache_errors=False)
class TestView(views.APIView):
def __init__(self, status, *args, **kwargs):
self.status = status
super(TestView, self).__init__(*args, **kwargs)
@cache_response_decorator
def get(self, request, *args, **kwargs):
return Response(status=self.status)
with patch.object(cache_response_decorator.cache, 'set'):
for status in (400, 500):
view_instance = TestView(status=status)
view_instance.dispatch(request=self.request)
self.assertFalse(cache_response_decorator.cache.set.called)
def test_cache_response_with_error_by_default(self):
cache_response_decorator = cache_response()
class TestView(views.APIView):
def __init__(self, status, *args, **kwargs):
self.status = status
super(TestView, self).__init__(*args, **kwargs)
@cache_response_decorator
def get(self, request, *args, **kwargs):
return Response(status=self.status)
with patch.object(cache_response_decorator.cache, 'set'):
for status in (400, 500):
view_instance = TestView(status=status)
view_instance.dispatch(request=self.request)
self.assertTrue(cache_response_decorator.cache.set.called)
@override_extensions_api_settings(DEFAULT_CACHE_ERRORS=False)
def test_should_use_cache_error_from_settings_by_default(self):
self.assertFalse(cache_response().cache_errors)
@override_extensions_api_settings(DEFAULT_CACHE_ERRORS=False)
def test_should_use_cache_error_from_decorator_if_it_is_specified(self):
self.assertTrue(cache_response(cache_errors=True).cache_errors)
