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import pytest
from clear import ClearTests
from common import CommonTests
from has import HasTests
from cachelib import RedisCache
class SillySerializer:
"""A pointless serializer only for testing"""
def dumps(self, value):
return repr(value).encode()
def loads(self, bvalue):
if bvalue is None:
return None
return eval(bvalue.decode())
class CustomCache(RedisCache):
"""Our custom cache client with non-default serializer"""
# overwrite serializer
serializer = SillySerializer()
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
@pytest.fixture(autouse=True, params=[RedisCache, CustomCache])
def cache_factory(request):
def _factory(self, *args, **kwargs):
rc = request.param(*args, port=6360, **kwargs)
rc._write_client.flushdb()
return rc
request.cls.cache_factory = _factory
def my_callable_key() -> str:
return "bacon"
@pytest.mark.usefixtures("redis_server")
class TestRedisCache(CommonTests, ClearTests, HasTests):
def test_callable_key(self):
cache = self.cache_factory()
assert cache.set(my_callable_key, "sausages")
assert cache.get(my_callable_key) == "sausages"
assert cache.set(lambda: "spam", "sausages")
assert cache.get(lambda: "spam") == "sausages"
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