def testExists(self):
"""
Tests whether a given cache already exists
"""
mc = MemoryCacheStruct(1, lambda x: int(time.time()), kwargs={'x': 1})
self.assertFalse(GenericDataCache.cacheExists("tCache"))
GenericDataCache.registerCache("tCache", mc)
self.assertTrue(GenericDataCache.cacheExists("tCache"))
self.assertFalse(GenericDataCache.cacheExists("tCache2"))
def _validateDatatier(datatier, dbsUrl, expiration=3600):
"""
_validateDatatier_
Provided a list of datatiers extracted from the outputDatasets, checks
whether they all exist in DBS.
"""
cacheName = "dataTierList_" + md5(dbsUrl).hexdigest()
if not GenericDataCache.cacheExists(cacheName):
mc = MemoryCacheStruct(expiration,
getDataTiers,
kwargs={'dbsUrl': dbsUrl})
GenericDataCache.registerCache(cacheName, mc)
cacheData = GenericDataCache.getCacheData(cacheName)
dbsTiers = cacheData.getData()
badTiers = list(set(datatier) - set(dbsTiers))
if badTiers:
raise InvalidSpecParameterValue(
"Bad datatier(s): %s not available in DBS." % badTiers)
def testBasic(self):
"""
_testBasic_
Basic stuff.
"""
mc = MemoryCacheStruct(1, lambda x: int(time.time()), {'x':1})
self.assertEqual(mc.lastUpdated, -1)
GenericDataCache.registerCache("test", mc)
with self.assertRaises(CacheExistException):
GenericDataCache.registerCache("test", mc)
with self.assertRaises(CacheWithWrongStructException):
GenericDataCache.registerCache("test2", {'a': 1})
mc2 = GenericDataCache.getCacheData('test')
before = mc2.getData()
time.sleep(2)
after = mc2.getData()
self.assertFalse(before == after)
self.assertFalse(mc2.lastUpdate == -1)
return