def test_getClient(self):
"""
Ensure that we can split by key correctly.
"""
yclient = YamClient(['one', 'two'], connect=False)
makeTestConnections(yclient)
self.assertEqual(yclient.getClient('aaa'), yclient.factories[0].client)
self.assertEqual(yclient.getClient('foo'), yclient.factories[1].client)
# now lose first connection
yclient.factories[0].stopTrying()
# next line is handled by clientConnectionLost which is called when an actual
# internet.tcp.Connector has a failed connection
yclient.factories[0].client = None
self.assertEqual(yclient.getClient('aaa'), yclient.factories[1].client)
self.assertEqual(yclient.getClient('foo'), yclient.factories[1].client)
def test_getClient(self):
"""
Ensure that we can split by key correctly.
"""
yclient = YamClient(['one', 'two'], connect=False)
makeTestConnections(yclient)
self.assertEqual(yclient.getClient('aaa'), yclient.factories[0].client)
self.assertEqual(yclient.getClient('foo'), yclient.factories[1].client)
# now lose first connection
yclient.factories[0].stopTrying()
# next line is handled by clientConnectionLost which is called when an actual
# internet.tcp.Connector has a failed connection
yclient.factories[0].client = None
self.assertEqual(yclient.getClient('aaa'), yclient.factories[1].client)
self.assertEqual(yclient.getClient('foo'), yclient.factories[1].client)
def test_getClientWithConsistentHashing(self):
"""
Ensure that the client that has a key remains the same if the total number
of hosts goes up or down.
"""
yclient = YamClient(map(str, range(9)), connect=False)
makeTestConnections(yclient)
self.assertEqual(yclient.factories[6].client, yclient.getClient('sdusdfsdf'))
yclient = YamClient(map(str, range(10)), connect=False)
makeTestConnections(yclient)
self.assertEqual(yclient.factories[6].client, yclient.getClient('sdusdfsdf'))
yclient = YamClient(map(str, range(11)), connect=False)
makeTestConnections(yclient)
self.assertEqual(yclient.factories[6].client, yclient.getClient('sdusdfsdf'))
def test_getClientWithConsistentHashing(self):
"""
Ensure that the client that has a key remains the same if the total number
of hosts goes up or down.
"""
yclient = YamClient(map(str, range(9)), connect=False)
makeTestConnections(yclient)
self.assertEqual(yclient.factories[6].client,
yclient.getClient('sdusdfsdf'))
yclient = YamClient(map(str, range(10)), connect=False)
makeTestConnections(yclient)
self.assertEqual(yclient.factories[6].client,
yclient.getClient('sdusdfsdf'))
yclient = YamClient(map(str, range(11)), connect=False)
makeTestConnections(yclient)
self.assertEqual(yclient.factories[6].client,
yclient.getClient('sdusdfsdf'))
def test_getClientIsDistributed(self):
yclient = YamClient(map(str, range(10)), connect=False)
makeTestConnections(yclient)
counts = {f.client: 0 for f in yclient.factories}
for _ in xrange(200):
client = yclient.getClient(str(uuid.uuid4()))
counts[client] += 1
# Expect at least 5% of the values are stored on each client
for count in counts.values():
self.assertTrue(count > 10)
def test_getClientIsDistributed(self):
yclient = YamClient(map(str, range(10)), connect=False)
makeTestConnections(yclient)
counts = {f.client: 0 for f in yclient.factories}
for _ in xrange(200):
client = yclient.getClient(str(uuid.uuid4()))
counts[client] += 1
# Expect at least 5% of the values are stored on each client
for count in counts.values():
self.assertTrue(count > 10)