OpenSlides/tests/unit/utils/cache_provider.py

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import asyncio # noqa
from typing import Any, Callable, Dict, List, Optional
from openslides.utils.cache_providers import Cachable, MemmoryCacheProvider
from openslides.utils.collection import CollectionElement # noqa
def restrict_elements(
user: Optional['CollectionElement'],
elements: List[Dict[str, Any]]) -> List[Dict[str, Any]]:
"""
Adds the prefix 'restricted_' to all values except id.
"""
out = []
for element in elements:
restricted_element = {}
for key, value in element.items():
if key == 'id':
restricted_element[key] = value
else:
restricted_element[key] = 'restricted_{}'.format(value)
out.append(restricted_element)
return out
class Collection1(Cachable):
def get_collection_string(self) -> str:
return 'app/collection1'
def get_elements(self) -> List[Dict[str, Any]]:
return [
{'id': 1, 'value': 'value1'},
{'id': 2, 'value': 'value2'}]
def restrict_elements(self, user: Optional['CollectionElement'], elements: List[Dict[str, Any]]) -> List[Dict[str, Any]]:
return restrict_elements(user, elements)
class Collection2(Cachable):
def get_collection_string(self) -> str:
return 'app/collection2'
def get_elements(self) -> List[Dict[str, Any]]:
return [
{'id': 1, 'key': 'value1'},
{'id': 2, 'key': 'value2'}]
def restrict_elements(self, user: Optional['CollectionElement'], elements: List[Dict[str, Any]]) -> List[Dict[str, Any]]:
return restrict_elements(user, elements)
def get_cachable_provider(cachables: List[Cachable] = [Collection1(), Collection2()]) -> Callable[[], List[Cachable]]:
"""
Returns a cachable_provider.
"""
return lambda: cachables
def example_data():
return {
'app/collection1': [
{'id': 1, 'value': 'value1'},
{'id': 2, 'value': 'value2'}],
'app/collection2': [
{'id': 1, 'key': 'value1'},
{'id': 2, 'key': 'value2'}]}
class TTestCacheProvider(MemmoryCacheProvider):
"""
CacheProvider simular to the MemmoryCacheProvider with special methods for
testing.
"""
async def del_lock_restricted_data_after_wait(self, user_id: int, future: asyncio.Future = None) -> None:
if future is None:
asyncio.ensure_future(self.del_lock_restricted_data(user_id))
else:
async def set_future() -> None:
await self.del_lock_restricted_data(user_id)
future.set_result(1) # type: ignore
asyncio.ensure_future(set_future())