def test_resulting_dict_all_params(self):
self.kwargs['params'] = '*'
expected = {
'part': u'Londo',
'callback': u'jquery_callback'
}
self.assertEqual(QueryParamsKeyBit().get_data(**self.kwargs), expected)
class CustomListKeyConstructor(DefaultKeyConstructor):
"""
Used to compute cache key for a list of objects.
"""
list_sql = ListSqlQueryKeyBit()
pagination = PaginationKeyBit()
updated_at = UpdatedAtKeyBit()
user = UserKeyBit()
all_query_params = QueryParamsKeyBit()
class TimestampedListKeyConstructor(DefaultListKeyConstructor):
timestamp = ApiTimestampKeyBit()
# The DefaultListKeyConstructor includes the PaginationKeyBit. While it does
# subclass QueryParamsKeyBit, it also bypasses logic which includes all query
# params in the cache key, restricting the set of query params that end up in
# the cache key to those that are used for page number pagination. This causes
# cache collisions when other query params are involved. For more, see:
# https://github.com/chibisov/drf-extensions/blob/master/rest_framework_extensions/key_constructor/bits.py#L48-L49
querystring = QueryParamsKeyBit()
class QueryParamsKeyConstructor(DefaultKeyConstructor):
"""
Example:
class ProductViewSet(CacheResponseMixin, mixins.ListModelMixin,
mixins.RetrieveModelMixin, viewsets.GenericViewSet):
queryset = Product.objects.filter(withdrawn=False)
serializer_class = ProductSerializer
pagination_class = LargeResultsSetPagination
list_cache_key_func = QueryParamsKeyConstructor()
"""
all_query_params = QueryParamsKeyBit()
def test_resulting_dict(self):
self.kwargs = {
'params': ['part', 'callback', 'not_existing_param'],
'view_instance': None,
'view_method': None,
'request': factory.get('?part=Londo&callback=jquery_callback'),
'args': None,
'kwargs': None
}
expected = {'part': u'Londo', 'callback': u'jquery_callback'}
self.assertEqual(QueryParamsKeyBit().get_data(**self.kwargs), expected)
def test_default_params_is_all_args(self):
self.assertEqual(QueryParamsKeyBit().params, '*')
class QueryParamsKeyConstructor(DefaultKeyConstructor):
all_query_params = QueryParamsKeyBit()
class RequestKeyConstructor(DefaultKeyConstructor):
arguments = ArgsKeyBit()
key_arguments = KwargsKeyBit()
query_params = QueryParamsKeyBit()
user = UserKeyBit()
headers = HeadersKeyBit()
class TimestampedObjectKeyConstructor(DefaultObjectKeyConstructor):
timestamp = ApiTimestampKeyBit()
# The DefaultObjectKeyConstructor doesn't include querystring parameters
# in its cache key.
querystring = QueryParamsKeyBit()
class ScoreboardKeyConstructor(DefaultKeyConstructor):
params_bit = QueryParamsKeyBit()
args_bit = ArgsKeyBit()
kwargs_bit = KwargsKeyBit()
class UpdatedAtDayForFeed(DefaultKeyConstructor):
updated_at = UpdatedAtKeyBit()
data_day = UpdatedAtDay()
pagination = PaginationKeyBit()
query = QueryParamsKeyBit()
class ListKeyConstructor(DefaultListKeyConstructor):
query_params = QueryParamsKeyBit()