def checkReconnection(self):
# Check that the client reconnects when a server restarts.
self._storage = self.openClientStorage()
oid = self._storage.new_oid()
obj = MinPO(12)
self._dostore(oid, data=obj)
logging.info("checkReconnection(): About to shutdown server")
self.shutdownServer()
logging.info("checkReconnection(): About to restart server")
self.startServer(create=0)
forker.wait_until('reconnect', self._storage.is_connected)
oid = self._storage.new_oid()
obj = MinPO(12)
while 1:
try:
self._dostore(oid, data=obj)
break
except ClientDisconnected:
# Maybe the exception mess is better now
logging.info("checkReconnection(): Error after"
" server restart; retrying.", exc_info=True)
transaction.abort()
# Give the other thread a chance to run.
time.sleep(0.1)
logging.info("checkReconnection(): finished")
self._storage.close()
def checkVerificationWith2ClientsInvqOverflow(self):
perstorage = self.openClientStorage(cache="test")
self.assertEqual(perstorage.verify_result, "empty cache")
self._storage = self.openClientStorage()
oid = self._storage.new_oid()
# When we create a new storage, it should always do a full
# verification
self.assertEqual(self._storage.verify_result, "empty cache")
# do two storages of the object to make sure an invalidation
# message is generated
revid = self._dostore(oid)
revid = self._dostore(oid, revid)
forker.wait_until(
"Client has seen all of the transactions from the server",
lambda :
perstorage.lastTransaction() == self._storage.lastTransaction()
)
perstorage.load(oid, '')
perstorage.close()
# the test code sets invq bound to 2
for i in range(5):
revid = self._dostore(oid, revid)
perstorage = self.openClientStorage(cache="test")
self.assertEqual(perstorage.verify_result, "cache too old, clearing")
self.assertEqual(self._storage.load(oid, '')[1], revid)
self.assertEqual(perstorage.load(oid, ''),
self._storage.load(oid, ''))
perstorage.close()
def checkNoVerificationOnServerRestartWith2Clients(self):
perstorage = self.openClientStorage(cache="test")
self.assertEqual(perstorage.verify_result, "empty cache")
self._storage = self.openClientStorage()
oid = self._storage.new_oid()
# When we create a new storage, it should always do a full
# verification
self.assertEqual(self._storage.verify_result, "empty cache")
# do two storages of the object to make sure an invalidation
# message is generated
revid = self._dostore(oid)
revid = self._dostore(oid, revid)
forker.wait_until(
"Client has seen all of the transactions from the server",
lambda :
perstorage.lastTransaction() == self._storage.lastTransaction()
)
perstorage.load(oid, '')
self.shutdownServer()
self.pollDown()
self._storage.verify_result = None
perstorage.verify_result = None
logging.info('2ALLBEEF')
self.startServer(create=0, keep=0)
self.pollUp()
self.pollUp(storage=perstorage)
# There were no transactions committed, so no verification
# should be needed.
self.assertEqual(self._storage.verify_result, "Cache up to date")
self.assertEqual(perstorage.verify_result, "Cache up to date")
perstorage.close()
self._storage.close()
def checkQuickVerificationWith2Clients(self):
perstorage = self.openClientStorage(cache="test", cache_size=4000)
self._storage = self.openClientStorage()
oid = self._storage.new_oid()
oid2 = self._storage.new_oid()
# When we create a new storage, it should always do a full
# verification
self.assertEqual(self._storage.verify_result, "empty cache")
# do two storages of the object to make sure an invalidation
# message is generated
revid = self._dostore(oid)
revid = self._dostore(oid, revid)
# Create a second object and revision to guarantee it doesn't
# show up in the list of invalidations sent when perstore restarts.
revid2 = self._dostore(oid2)
revid2 = self._dostore(oid2, revid2)
forker.wait_until(
lambda :
perstorage.lastTransaction() == self._storage.lastTransaction())
perstorage.load(oid, '')
perstorage.close()
forker.wait_until(lambda : os.path.exists('test-1.zec'))
revid = self._dostore(oid, revid)
perstorage = self.openClientStorage(cache="test")
self.assertEqual(perstorage.verify_result, "quick verification")
self.assertEqual(perstorage.load(oid, ''),
self._storage.load(oid, ''))
perstorage.close()
def checkReconnection(self):
# Check that the client reconnects when a server restarts.
self._storage = self.openClientStorage()
oid = self._storage.new_oid()
obj = MinPO(12)
self._dostore(oid, data=obj)
logging.info("checkReconnection(): About to shutdown server")
self.shutdownServer()
logging.info("checkReconnection(): About to restart server")
self.startServer(create=0)
forker.wait_until('reconnect', self._storage.is_connected)
oid = self._storage.new_oid()
obj = MinPO(12)
while 1:
try:
self._dostore(oid, data=obj)
break
except ClientDisconnected:
# Maybe the exception mess is better now
logging.info(
"checkReconnection(): Error after"
" server restart; retrying.",
exc_info=True)
transaction.abort()
# Give the other thread a chance to run.
time.sleep(0.1)
logging.info("checkReconnection(): finished")
self._storage.close()
def checkNoVerificationOnServerRestartWith2Clients(self):
perstorage = self.openClientStorage(cache="test")
self.assertEqual(perstorage.verify_result, "empty cache")
self._storage = self.openClientStorage()
oid = self._storage.new_oid()
# When we create a new storage, it should always do a full
# verification
self.assertEqual(self._storage.verify_result, "empty cache")
# do two storages of the object to make sure an invalidation
# message is generated
revid = self._dostore(oid)
revid = self._dostore(oid, revid)
forker.wait_until(
"Client has seen all of the transactions from the server", lambda:
perstorage.lastTransaction() == self._storage.lastTransaction())
perstorage.load(oid, '')
self.shutdownServer()
self.pollDown()
self._storage.verify_result = None
perstorage.verify_result = None
logging.info('2ALLBEEF')
self.startServer(create=0, keep=0)
self.pollUp()
self.pollUp(storage=perstorage)
# There were no transactions committed, so no verification
# should be needed.
self.assertEqual(self._storage.verify_result, "Cache up to date")
self.assertEqual(perstorage.verify_result, "Cache up to date")
perstorage.close()
self._storage.close()
def checkVerificationWith2ClientsInvqOverflow(self):
perstorage = self.openClientStorage(cache="test")
self.assertEqual(perstorage.verify_result, "empty cache")
self._storage = self.openClientStorage()
oid = self._storage.new_oid()
# When we create a new storage, it should always do a full
# verification
self.assertEqual(self._storage.verify_result, "empty cache")
# do two storages of the object to make sure an invalidation
# message is generated
revid = self._dostore(oid)
revid = self._dostore(oid, revid)
forker.wait_until(
"Client has seen all of the transactions from the server", lambda:
perstorage.lastTransaction() == self._storage.lastTransaction())
perstorage.load(oid, '')
perstorage.close()
# the test code sets invq bound to 2
for i in range(5):
revid = self._dostore(oid, revid)
perstorage = self.openClientStorage(cache="test")
self.assertEqual(perstorage.verify_result, "cache too old, clearing")
self.assertEqual(self._storage.load(oid, '')[1], revid)
self.assertEqual(perstorage.load(oid, ''), self._storage.load(oid, ''))
perstorage.close()
def checkQuickVerificationWith2Clients(self):
perstorage = self.openClientStorage(cache="test", cache_size=4000)
self._storage = self.openClientStorage()
oid = self._storage.new_oid()
oid2 = self._storage.new_oid()
# When we create a new storage, it should always do a full
# verification
self.assertEqual(self._storage.verify_result, "empty cache")
# do two storages of the object to make sure an invalidation
# message is generated
revid = self._dostore(oid)
revid = self._dostore(oid, revid)
# Create a second object and revision to guarantee it doesn't
# show up in the list of invalidations sent when perstore restarts.
revid2 = self._dostore(oid2)
revid2 = self._dostore(oid2, revid2)
forker.wait_until(lambda: perstorage.lastTransaction() == self._storage
.lastTransaction())
perstorage.load(oid, '')
perstorage.close()
forker.wait_until(lambda: os.path.exists('test-1.zec'))
revid = self._dostore(oid, revid)
perstorage = self.openClientStorage(cache="test")
self.assertEqual(perstorage.verify_result, "quick verification")
self.assertEqual(perstorage.load(oid, ''), self._storage.load(oid, ''))
perstorage.close()
