def test_off_reconnect_mode(self):
self.cluster = self.rc.createCluster(None, None)
member = self.rc.startMember(self.cluster.id)
config = ClientConfig()
config.cluster_name = self.cluster.id
config.network.addresses.append("localhost:5701")
config.connection_strategy.reconnect_mode = RECONNECT_MODE.OFF
config.connection_strategy.connection_retry.cluster_connect_timeout = six.MAXSIZE
def collector():
events = []
def on_state_change(event):
if event == LifecycleState.SHUTDOWN:
events.append(event)
on_state_change.events = events
return on_state_change
event_collector = collector()
config.add_lifecycle_listener(event_collector)
self.client = HazelcastClient(config)
m = self.client.get_map(random_string()).blocking()
# no exception at this point
m.put(1, 1)
self.rc.shutdownMember(self.cluster.id, member.uuid)
self.assertTrueEventually(lambda: self.assertEqual(1, len(event_collector.events)))
with self.assertRaises(HazelcastClientNotActiveError):
m.put(1, 1)
def test_listener_re_register(self):
member = self.cluster.start_member()
config = ClientConfig()
config.cluster_name = self.cluster.id
config.connection_strategy.connection_retry.cluster_connect_timeout = 5
client = self.create_client(config)
map = client.get_map("map")
collector = event_collector()
reg_id = map.add_entry_listener(added_func=collector)
self.logger.info("Registered listener with id %s", reg_id)
member.shutdown()
sleep(3)
self.cluster.start_member()
count = AtomicInteger()
def assert_events():
if client.lifecycle_service.is_running():
while True:
try:
map.put("key-%d" % count.get_and_increment(),
"value").result()
break
except TargetDisconnectedError:
pass
self.assertGreater(len(collector.events), 0)
else:
self.fail("Client disconnected...")
self.assertTrueEventually(assert_events)
def test_invocations_finalised_when_client_shutdowns(self):
self.cluster.start_member()
config = ClientConfig()
config.cluster_name = self.cluster.id
client = self.create_client(config)
m = client.get_map("test")
m.put("key", "value").result()
def run():
for _ in range(1000):
try:
m.get("key").result()
except:
pass
threads = []
for _ in range(10):
t = threading.Thread(target=run)
threads.append(t)
t.start()
client.shutdown()
for i in range(10):
threads[i].join(5)
def test_start_client_before_member(self):
t = Thread(target=self.cluster.start_member)
t.start()
config = ClientConfig()
config.cluster_name = self.cluster.id
config.connection_strategy.connection_retry.cluster_connect_timeout = 5
self.create_client(config)
t.join()
def test_exception_in_listener(self):
def listener(_):
raise RuntimeError("error")
config = ClientConfig()
config.cluster_name = self.cluster.id
config.lifecycle_listeners = [listener]
self.cluster.start_member()
self.create_client(config)
def setUp(self):
self.rc = self.create_rc()
self.cluster = self.create_cluster(self.rc, self._configure_cluster())
self.cluster.start_member()
self.cluster.start_member()
config = ClientConfig()
config.cluster_name = self.cluster.id
self.client = HazelcastClient(config)
self.pn_counter = self.client.get_pn_counter("pn-counter").blocking()
def test_lifecycle_listener_receives_disconnected_event(self):
member = self.cluster.start_member()
collector = event_collector()
config = ClientConfig()
config.cluster_name = self.cluster.id
client = self.create_client(config)
client.lifecycle_service.add_listener(collector)
member.shutdown()
self.assertEqual(collector.events, [LifecycleState.DISCONNECTED])
client.shutdown()
def test_shutdown_not_hang_on_member_closed(self):
config = ClientConfig()
config.cluster_name = self.cluster.id
config.connection_strategy.connection_retry.cluster_connect_timeout = 5
member = self.cluster.start_member()
client = self.create_client(config)
my_map = client.get_map("test")
my_map.put("key", "value").result()
member.shutdown()
with self.assertRaises(HazelcastClientNotActiveError):
while True:
my_map.get("key").result()
def test_remove_lifecycle_listener(self):
collector = event_collector()
self.cluster.start_member()
config = ClientConfig()
config.cluster_name = self.cluster.id
client = self.create_client(config)
registration_id = client.lifecycle_service.add_listener(collector)
client.lifecycle_service.remove_listener(registration_id)
client.shutdown()
self.assertEqual(collector.events, [])
def test_lifecycle_listener_receives_events_in_order_after_startup(self):
self.cluster.start_member()
collector = event_collector()
config = ClientConfig()
config.cluster_name = self.cluster.id
client = self.create_client(config)
client.lifecycle_service.add_listener(collector)
client.shutdown()
self.assertEqual(collector.events, [
LifecycleState.SHUTTING_DOWN, LifecycleState.DISCONNECTED,
LifecycleState.SHUTDOWN
])
def test_lifecycle_listener_receives_events_in_order(self):
collector = event_collector()
config = ClientConfig()
config.cluster_name = self.cluster.id
config.lifecycle_listeners.append(collector)
self.cluster.start_member()
client = self.create_client(config)
client.shutdown()
self.assertEqual(collector.events, [
LifecycleState.STARTING, LifecycleState.STARTED,
LifecycleState.CONNECTED, LifecycleState.SHUTTING_DOWN,
LifecycleState.DISCONNECTED, LifecycleState.SHUTDOWN
])
def test_random_load_balancer(self):
config = ClientConfig()
config.cluster_name = self.cluster.id
config.load_balancer = RandomLB()
client = HazelcastClient(config)
self.assertTrue(client.lifecycle_service.is_running())
lb = client._load_balancer
self.assertTrue(isinstance(lb, RandomLB))
six.assertCountEqual(self, self.addresses,
list(map(lambda m: m.address, lb._members)))
for _ in range(10):
self.assertTrue(lb.next().address in self.addresses)
client.shutdown()
def test_member_list_after_reconnect(self):
old_member = self.cluster.start_member()
config = ClientConfig()
config.cluster_name = self.cluster.id
config.connection_strategy.connection_retry.cluster_connect_timeout = 5
client = self.create_client(config)
old_member.shutdown()
new_member = self.cluster.start_member()
def assert_member_list():
members = client.cluster_service.get_members()
self.assertEqual(1, len(members))
self.assertEqual(new_member.uuid, str(members[0].uuid))
self.assertTrueEventually(assert_member_list)
def test_reconnect_toNewNode_ViaLastMemberList(self):
old_member = self.cluster.start_member()
config = ClientConfig()
config.cluster_name = self.cluster.id
config.network.addresses.append("127.0.0.1:5701")
config.network.smart_routing = False
config.connection_strategy.connection_retry.cluster_connect_timeout = 10
client = self.create_client(config)
new_member = self.cluster.start_member()
old_member.shutdown()
def assert_member_list():
members = client.cluster_service.get_members()
self.assertEqual(1, len(members))
self.assertEqual(new_member.uuid, str(members[0].uuid))
self.assertTrueEventually(assert_member_list)
def test_restart_member(self):
member = self.cluster.start_member()
config = ClientConfig()
config.cluster_name = self.cluster.id
config.connection_strategy.connection_retry.cluster_connect_timeout = 5
client = self.create_client(config)
state = [None]
def listener(s):
state[0] = s
client.lifecycle_service.add_listener(listener)
member.shutdown()
self.assertTrueEventually(
lambda: self.assertEqual(state[0], LifecycleState.DISCONNECTED))
self.cluster.start_member()
self.assertTrueEventually(
lambda: self.assertEqual(state[0], LifecycleState.CONNECTED))
def test_async_start(self):
self.cluster = self.rc.createCluster(None, None)
self.rc.startMember(self.cluster.id)
config = ClientConfig()
config.cluster_name = self.cluster.id
config.network.addresses.append("localhost:5701")
config.connection_strategy.async_start = True
def collector():
events = []
def on_state_change(event):
if event == LifecycleState.CONNECTED:
events.append(event)
on_state_change.events = events
return on_state_change
event_collector = collector()
config.add_lifecycle_listener(event_collector)
self.client = HazelcastClient(config)
self.assertTrueEventually(lambda: self.assertEqual(1, len(event_collector.events)))
self.client.get_map(random_string())
def create_config(self):
config = ClientConfig()
config.cluster_name = self.cluster.id
return config
def setUpClass(cls):
cls.rc = cls.create_rc()
cls.cluster = cls.create_cluster(cls.rc, cls.configure_cluster())
config = ClientConfig()
config.cluster_name = cls.cluster.id
cls.config = config
