def test_finish_connect(conn):
cli = KafkaClient()
try:
# Node not in metadata, raises AssertionError
cli._initiate_connect(2)
except AssertionError:
pass
else:
assert False, 'Exception not raised'
assert 0 not in cli._conns
cli._initiate_connect(0)
conn.connect.return_value = ConnectionStates.CONNECTING
state = cli._finish_connect(0)
assert 0 in cli._connecting
assert state is ConnectionStates.CONNECTING
conn.connect.return_value = ConnectionStates.CONNECTED
state = cli._finish_connect(0)
assert 0 not in cli._connecting
assert state is ConnectionStates.CONNECTED
# Failure to connect should trigger metadata update
assert not cli.cluster._need_update
cli._connecting.add(0)
conn.connect.return_value = ConnectionStates.DISCONNECTED
state = cli._finish_connect(0)
assert 0 not in cli._connecting
assert state is ConnectionStates.DISCONNECTED
assert cli.cluster._need_update
def test_finish_connect(conn):
cli = KafkaClient()
try:
# Node not in metadata, raises AssertionError
cli._initiate_connect(2)
except AssertionError:
pass
else:
assert False, 'Exception not raised'
assert 0 not in cli._conns
cli._initiate_connect(0)
conn.connect.return_value = ConnectionStates.CONNECTING
state = cli._finish_connect(0)
assert 0 in cli._connecting
assert state is ConnectionStates.CONNECTING
conn.connect.return_value = ConnectionStates.CONNECTED
state = cli._finish_connect(0)
assert 0 not in cli._connecting
assert state is ConnectionStates.CONNECTED
# Failure to connect should trigger metadata update
assert not cli.cluster._need_update
cli._connecting.add(0)
conn.connect.return_value = ConnectionStates.DISCONNECTED
state = cli._finish_connect(0)
assert 0 not in cli._connecting
assert state is ConnectionStates.DISCONNECTED
assert cli.cluster._need_update
def test_initiate_connect(conn):
cli = KafkaClient()
try:
# Node not in metadata, raises AssertionError
cli._initiate_connect(2)
except AssertionError:
pass
else:
assert False, 'Exception not raised'
assert 0 not in cli._conns
state = cli._initiate_connect(0)
assert cli._conns[0] is conn
assert state is conn.state
def test_initiate_connect(conn):
cli = KafkaClient()
try:
# Node not in metadata, raises AssertionError
cli._initiate_connect(2)
except AssertionError:
pass
else:
assert False, 'Exception not raised'
assert 0 not in cli._conns
state = cli._initiate_connect(0)
assert cli._conns[0] is conn
assert state is conn.state
def test_is_disconnected(conn):
cli = KafkaClient()
# False if not connected yet
conn.state = ConnectionStates.DISCONNECTED
assert not cli.is_disconnected(0)
cli._initiate_connect(0)
assert cli.is_disconnected(0)
conn.state = ConnectionStates.CONNECTING
assert not cli.is_disconnected(0)
conn.state = ConnectionStates.CONNECTED
assert not cli.is_disconnected(0)
def test_is_disconnected(conn):
cli = KafkaClient()
# False if not connected yet
conn.state = ConnectionStates.DISCONNECTED
assert not cli.is_disconnected(0)
cli._initiate_connect(0)
assert cli.is_disconnected(0)
conn.state = ConnectionStates.CONNECTING
assert not cli.is_disconnected(0)
conn.state = ConnectionStates.CONNECTED
assert not cli.is_disconnected(0)
def test_close(conn):
cli = KafkaClient()
# Unknown node - silent
cli.close(2)
# Single node close
cli._initiate_connect(0)
assert not conn.close.call_count
cli.close(0)
assert conn.close.call_count == 1
# All node close
cli._initiate_connect(1)
cli.close()
assert conn.close.call_count == 3
def test_close(conn):
cli = KafkaClient()
# Unknown node - silent
cli.close(2)
# Single node close
cli._initiate_connect(0)
assert not conn.close.call_count
cli.close(0)
assert conn.close.call_count == 1
# All node close
cli._initiate_connect(1)
cli.close()
assert conn.close.call_count == 3
def test_send(conn):
cli = KafkaClient()
try:
cli.send(2, None)
except Errors.NodeNotReadyError:
pass
else:
assert False, 'NodeNotReadyError not raised'
cli._initiate_connect(0)
# ProduceRequest w/ 0 required_acks -> no response
request = ProduceRequest(0, 0, [])
ret = cli.send(0, request)
assert conn.send.called_with(request, expect_response=False)
assert isinstance(ret, Future)
request = MetadataRequest([])
cli.send(0, request)
assert conn.send.called_with(request, expect_response=True)
def test_send(conn):
cli = KafkaClient()
try:
cli.send(2, None)
except Errors.NodeNotReadyError:
pass
else:
assert False, 'NodeNotReadyError not raised'
cli._initiate_connect(0)
# ProduceRequest w/ 0 required_acks -> no response
request = ProduceRequest(0, 0, [])
ret = cli.send(0, request)
assert conn.send.called_with(request, expect_response=False)
assert isinstance(ret, Future)
request = MetadataRequest([])
cli.send(0, request)
assert conn.send.called_with(request, expect_response=True)
def test_can_connect(conn):
cli = KafkaClient()
# Node is not in broker metadata - cant connect
assert not cli._can_connect(2)
# Node is in broker metadata but not in _conns
assert 0 not in cli._conns
assert cli._can_connect(0)
# Node is connected, can't reconnect
cli._initiate_connect(0)
assert not cli._can_connect(0)
# Node is disconnected, can connect
cli._conns[0].state = ConnectionStates.DISCONNECTED
assert cli._can_connect(0)
# Node is disconnected, but blacked out
conn.blacked_out.return_value = True
assert not cli._can_connect(0)
def test_can_connect(conn):
cli = KafkaClient()
# Node is not in broker metadata - cant connect
assert not cli._can_connect(2)
# Node is in broker metadata but not in _conns
assert 0 not in cli._conns
assert cli._can_connect(0)
# Node is connected, can't reconnect
cli._initiate_connect(0)
assert not cli._can_connect(0)
# Node is disconnected, can connect
cli._conns[0].state = ConnectionStates.DISCONNECTED
assert cli._can_connect(0)
# Node is disconnected, but blacked out
conn.blacked_out.return_value = True
assert not cli._can_connect(0)
