def test_zero_timeout(self):
# Rather than pass '0' through as a timeout to
# socket.create_connection, create_tcp_connection should raise
# socket.error. This is because the socket library treats '0' as an
# indicator to create a non-blocking socket.
from kazoo.handlers.utils import create_tcp_connection, socket, time
# Simulate no time passing between calls to check the current time.
with patch.object(time, 'time', return_value=time.time()):
with self.assertRaises(socket.error):
create_tcp_connection(socket, ('127.0.0.1', 2181), timeout=0)
def test_slow_connect(self):
# Currently, create_tcp_connection will raise a socket timeout if it
# takes longer than the specified "timeout" to create a connection.
# In the future, "timeout" might affect only the created socket and not
# the time it takes to create it.
from kazoo.handlers.utils import create_tcp_connection, socket, time
# Simulate a second passing between calls to check the current time.
with patch.object(time, 'time', side_effect=range(10)):
with self.assertRaises(socket.error):
create_tcp_connection(socket, ('127.0.0.1', 2181), timeout=0.5)
def test_timeout_arg(self):
from kazoo.handlers import utils
from kazoo.handlers.utils import create_tcp_connection, socket, time
with patch.object(socket, 'create_connection') as create_connection:
with patch.object(utils, '_set_default_tcpsock_options'):
# Ensure a gap between calls to time.time() does not result in
# create_connection being called with a negative timeout
# argument.
with patch.object(time, 'time', side_effect=range(10)):
create_tcp_connection(socket, ('127.0.0.1', 2181),
timeout=1.5)
for call_args in create_connection.call_args_list:
timeout = call_args[0][1]
assert timeout >= 0, 'socket timeout must be nonnegative'
def create_connection(self, *args, **kwargs):
return utils.create_tcp_connection(socket, *args, **kwargs)
def create_connection(self, *args, **kwargs):
return utils.create_tcp_connection(socket, *args, **kwargs)
def test_negative_timeout(self):
from kazoo.handlers.utils import create_tcp_connection, socket
with self.assertRaises(socket.error):
create_tcp_connection(socket, ('127.0.0.1', 2181), timeout=-1)