def test_delete_cache(self):
"""
Ensure delete_cache function is working.
"""
from django.conf import settings
from django.core.cache import cache as django_cache
from garage.cache import cache_key, cache_data, delete_cache
key = 'abcd1234'
@cache_data(key)
def dummy_func(*args):
return '_'.join([a for a in args])
some_data = ['abcd1234', 'l’écriture', '寫作']
result = dummy_func(*some_data)
# test if data is in cache
cached_data = django_cache.get(key)
self._msg('test', 'delete_cache', first=True)
self._msg('CACHES', repr(settings.CACHES))
self._msg('key', key)
self._msg('some_data', repr(some_data))
self._msg('result', result)
self._msg('cached_data', cached_data)
self.assertEqual(result, cached_data)
delete_cache(key)
cached_data = django_cache.get(key)
self.assertFalse(cached_data)
self._msg('data after delete', cached_data)
def test_delete_cache_no_op(self):
"""
delete_cache should return False and do nothing if key is not
in cache.
"""
from django.conf import settings
from django.core.cache import cache as django_cache
from garage.cache import delete_cache
key = 'abcd1234'
# test if data is in cache
cached_data = django_cache.get(key)
# delete cache and check result
result = delete_cache(key)
self._msg('test', 'delete_cache', first=True)
self._msg('CACHES', repr(settings.CACHES))
self._msg('key', key)
self._msg('result', result)
self._msg('cached_data', cached_data)
self.assertFalse(cached_data)
self.assertFalse(result)
def test_cache_data(self):
"""
Ensure cache_data decorator is working.
* assumes CACHES is defined as a real cache (not dummy cache)
"""
from django.conf import settings
from django.core.cache import cache as django_cache
from garage.cache import cache_key, cache_data, delete_cache
key = 'abcd1234'
@cache_data(key)
def dummy_func(*args):
return '_'.join(args)
# make sure data is not in cache
cached_data = django_cache.get(key)
self.assertFalse(cached_data)
# cache data
some_data = ['abcd1234', 'l’écriture', '寫作']
result = dummy_func(*some_data)
# test if data is in cache
cached_data = django_cache.get(key)
self._msg('test', 'cache_data', first=True)
self._msg('CACHES', repr(settings.CACHES))
self._msg('key', key)
self._msg('some_data', repr(some_data))
self._msg('result', result)
self._msg('cached_data', cached_data)
self.assertEqual(result, cached_data)
delete_cache(key)
cached_data = django_cache.get(key)
self.assertFalse(cached_data)
# test cache_data without providing key
@cache_data()
def dummy_func(*args):
return '_'.join([a for a in args])
key = dummy_func.__name__
# make sure data is not in cache
cached_data = django_cache.get(key)
self.assertFalse(cached_data)
# cache data
some_data = ['abcd1234', 'l’écriture', '寫作']
result = dummy_func(*some_data)
# test if data is in cache
cached_data = django_cache.get(key)
self._msg('test', 'cache_data (without key)', first=True)
self._msg('key', key)
self._msg('some_data', repr(some_data))
self._msg('result', result)
self._msg('cached_data', cached_data)
self.assertEqual(result, cached_data)
delete_cache(key)
cached_data = django_cache.get(key)
self.assertFalse(cached_data)
# test cache_data with callable key
def make_key(*args, **kwargs):
k = '{0}#{1}'.format(repr(args), repr(kwargs))
return k
@cache_data(make_key)
def dummy_func(*args):
return '_'.join([a for a in args])
# cache data
some_data = ['abcd1234', 'l’écriture', '寫作']
key = make_key(*some_data)
# make sure data is not in cache
cached_data = django_cache.get(key)
self.assertFalse(cached_data)
result = dummy_func(*some_data)
# test if data is in cache
cached_data = django_cache.get(key)
self._msg('test', 'cache_data (without key)', first=True)
self._msg('key (from callable)', key)
self._msg('some_data', repr(some_data))
self._msg('result', result)
self._msg('cached_data', cached_data)
self.assertEqual(result, cached_data)
delete_cache(key)
cached_data = django_cache.get(key)
self.assertFalse(cached_data)