def testCacheGetOK(self):
one = [1,2,3,4]
caching.cache_set('ok', value=one, length=2)
two = caching.cache_get('ok')
self.assertEqual(one, two)
time.sleep(5)
try:
three = caching.cache_get('ok')
self.fail('should have raised NotCachedError, got %s' % three)
except caching.NotCachedError:
pass
def testDisable(self):
caching.cache_set('disabled', value=False)
v = caching.cache_get('disabled')
self.assertEqual(v, False)
caching.cache_enable(False)
caching.cache_set('disabled', value=True)
try:
caching.cache_get('disabled')
self.fail('should have raised NotCachedError')
except caching.NotCachedError, nce:
key = caching.cache_key('disabled')
self.assertEqual(nce.key, key)
def testDelete(self):
caching.cache_set('del', value=True)
for x in range(0,10):
caching.cache_set('del', 'x', x, value=True)
for y in range(0,5):
caching.cache_set('del', 'x', x, 'y', y, value=True)
# check to make sure all the values are in the cache
self.assert_(caching.cache_get('del', default=False))
for x in range(0,10):
self.assert_(caching.cache_get('del', 'x', x, default=False))
for y in range(0,5):
self.assert_(caching.cache_get('del', 'x', x, 'y', y, default=False))
# try to delete just one
killed = caching.cache_delete('del','x',1)
self.assertEqual([caching.CACHE_PREFIX + "::del::x::1"], killed)
self.assertFalse(caching.cache_get('del', 'x', 1, default=False))
# but the others are still there
self.assert_(caching.cache_get('del', 'x', 2, default=False))
# now kill all of del::x::1
killed = caching.cache_delete('del','x', 1, children=True)
for y in range(0,5):
self.assertFalse(caching.cache_get('del', 'x', 1, 'y', y, default=False))
# but del::x::2 and children are there
self.assert_(caching.cache_get('del','x',2,'y',1, default=False))
# kill the rest
killed = caching.cache_delete('del', children=True)
self.assertFalse(caching.cache_get('del',default=False))
for x in range(0,10):
self.assertFalse(caching.cache_get('del', 'x', x, default=False))
for y in range(0,5):
self.assertFalse(caching.cache_get('del', 'x', x, 'y', y, default=False))
def find_by_slug(cls, groupkey, slug, raises=False):
"""A helper function to look up an object by slug"""
ob = None
try:
ob = caching.cache_get(groupkey, slug)
except caching.NotCachedError, e:
try:
ob = cls.objects.get(slug__exact=slug)
caching.cache_set(e.key, value=ob)
except cls.DoesNotExist:
log.debug("No such %s: %s", groupkey, slug)
if raises:
raise
def find_by_id(cls, groupkey, objectid, raises=False):
"""A helper function to look up an object by id"""
ob = None
try:
ob = caching.cache_get(groupkey, objectid)
except caching.NotCachedError, e:
try:
ob = cls.objects.get(pk=objectid)
caching.cache_set(e.key, value=ob)
except cls.DoesNotExist:
log.debug("No such %s: %s", groupkey, objectid)
if raises:
raise cls.DoesNotExist
def cache_get(self, *args, **kwargs):
key = self.cache_key(*args, **kwargs)
return caching.cache_get(key)
def testCacheGetDefault(self):
chk = caching.cache_get('default',default='-')
self.assertEqual(chk, '-')
def testCacheGetFail(self):
try:
caching.cache_get('x')
self.fail('should have raised NotCachedError')
except caching.NotCachedError:
pass