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import keyedcache
import random
from django.test import TestCase
import time
CACHE_HIT=0
def cachetest(a,b,c):
global CACHE_HIT
CACHE_HIT += 1
r = [random.randrange(0,1000) for x in range(0,3)]
ret = [r, a + r[0], b + r[1], c + r[2]]
return ret
cachetest = keyedcache.cache_function(2)(cachetest)
class DecoratorTest(TestCase):
def testCachePut(self):
d = cachetest(1,2,3)
self.assertEqual(CACHE_HIT,1)
d2 = cachetest(1,2,3)
self.assertEqual(CACHE_HIT,1)
self.assertEqual(d, d2)
seeds = d[0]
self.assertEqual(seeds[0] + 1, d[1])
self.assertEqual(seeds[1] + 2, d[2])
self.assertEqual(seeds[2] + 3, d[3])
time.sleep(3)
d3 = cachetest(1,2,3)
self.assertEqual(CACHE_HIT,2)
self.assertNotEqual(d, d3)
def testDeleteCachedFunction(self):
orig = cachetest(10,20,30)
keyedcache.cache_delete_function(cachetest)
after = cachetest(10,20,30)
self.assertNotEqual(orig,keyedcache)
class CachingTest(TestCase):
def testCacheGetFail(self):
try:
keyedcache.cache_get('x')
self.fail('should have raised NotCachedError')
except keyedcache.NotCachedError:
pass
def testCacheGetOK(self):
one = [1,2,3,4]
keyedcache.cache_set('ok', value=one, length=2)
two = keyedcache.cache_get('ok')
self.assertEqual(one, two)
time.sleep(5)
try:
three = keyedcache.cache_get('ok')
self.fail('should have raised NotCachedError, got %s' % three)
except keyedcache.NotCachedError:
pass
def testCacheGetDefault(self):
chk = keyedcache.cache_get('default',default='-')
self.assertEqual(chk, '-')
def testDelete(self):
keyedcache.cache_set('del', value=True)
for x in range(0,10):
keyedcache.cache_set('del', 'x', x, value=True)
for y in range(0,5):
keyedcache.cache_set('del', 'x', x, 'y', y, value=True)
# check to make sure all the values are in the cache
self.assert_(keyedcache.cache_get('del', default=False))
for x in range(0,10):
self.assert_(keyedcache.cache_get('del', 'x', x, default=False))
for y in range(0,5):
self.assert_(keyedcache.cache_get('del', 'x', x, 'y', y, default=False))
# try to delete just one
killed = keyedcache.cache_delete('del','x',1)
self.assertEqual([keyedcache.CACHE_PREFIX + "::del::x::1"], killed)
self.assertFalse(keyedcache.cache_get('del', 'x', 1, default=False))
# but the others are still there
self.assert_(keyedcache.cache_get('del', 'x', 2, default=False))
# now kill all of del::x::1
killed = keyedcache.cache_delete('del','x', 1, children=True)
for y in range(0,5):
self.assertFalse(keyedcache.cache_get('del', 'x', 1, 'y', y, default=False))
# but del::x::2 and children are there
self.assert_(keyedcache.cache_get('del','x',2,'y',1, default=False))
# kill the rest
killed = keyedcache.cache_delete('del', children=True)
self.assertFalse(keyedcache.cache_get('del',default=False))
for x in range(0,10):
self.assertFalse(keyedcache.cache_get('del', 'x', x, default=False))
for y in range(0,5):
self.assertFalse(keyedcache.cache_get('del', 'x', x, 'y', y, default=False))
class TestCacheDisable(TestCase):
def testDisable(self):
keyedcache.cache_set('disabled', value=False)
v = keyedcache.cache_get('disabled')
self.assertEqual(v, False)
keyedcache.cache_enable(False)
keyedcache.cache_set('disabled', value=True)
try:
keyedcache.cache_get('disabled')
self.fail('should have raised NotCachedError')
except keyedcache.NotCachedError, nce:
key = keyedcache.cache_key('disabled')
self.assertEqual(nce.key, key)
keyedcache.cache_enable()
v2 = keyedcache.cache_get('disabled')
# should still be False, since the cache was disabled
self.assertEqual(v2, False)
class TestKeyMaker(TestCase):
def testSimpleKey(self):
v = keyedcache.cache_key('test')
self.assertEqual(v, keyedcache.CACHE_PREFIX + '::test')
def testDualKey(self):
v = keyedcache.cache_key('test', 2)
self.assertEqual(v, keyedcache.CACHE_PREFIX + '::test::2')
def testPairedKey(self):
v = keyedcache.cache_key('test', more='yes')
self.assertEqual(v, keyedcache.CACHE_PREFIX + '::test::more::yes')
def testPairedDualKey(self):
v = keyedcache.cache_key('test', 3, more='yes')
self.assertEqual(v, keyedcache.CACHE_PREFIX + '::test::3::more::yes')
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