def test_disable_default_socket_options(self):
"""Test that passing None disables all socket options."""
# This test needs to be here in order to be run. socket.create_connection actually tries
# to connect to the host provided so we need a dummyserver to be running.
pool = HTTPConnectionPool(self.host, self.port, socket_options=None)
conn = pool._new_conn()
conn.connect()
s = conn._sock
using_nagle = s.getsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY) == 0
self.assertTrue(using_nagle)
s.close()
def test_create_connection_timeout(self):
timeout = Timeout(connect=SHORT_TIMEOUT, total=LONG_TIMEOUT)
pool = HTTPConnectionPool(TARPIT_HOST,
self.port,
timeout=timeout,
retries=False)
self.addCleanup(pool.close)
conn = pool._new_conn()
self.assertRaises(ConnectTimeoutError,
conn.connect,
connect_timeout=timeout.connect_timeout)
def test_socket_options(self):
"""Test that connections accept socket options."""
# This test needs to be here in order to be run. socket.create_connection actually tries to
# connect to the host provided so we need a dummyserver to be running.
pool = HTTPConnectionPool(self.host,
self.port,
socket_options=[(socket.SOL_SOCKET,
socket.SO_KEEPALIVE, 1)])
conn = pool._new_conn()
conn.connect()
s = conn._sock
using_keepalive = s.getsockopt(socket.SOL_SOCKET,
socket.SO_KEEPALIVE) > 0
self.assertTrue(using_keepalive)
s.close()
def test_defaults_are_applied(self):
"""Test that modifying the default socket options works."""
# This test needs to be here in order to be run. socket.create_connection actually tries
# to connect to the host provided so we need a dummyserver to be running.
pool = HTTPConnectionPool(self.host, self.port)
self.addCleanup(pool.close)
# Get the HTTPConnection instance
conn = pool._new_conn()
self.addCleanup(conn.close)
# Update the default socket options
conn.default_socket_options += [(socket.SOL_SOCKET,
socket.SO_KEEPALIVE, 1)]
conn.connect()
s = conn._sock
self.addCleanup(s.close)
nagle_disabled = s.getsockopt(socket.IPPROTO_TCP,
socket.TCP_NODELAY) > 0
using_keepalive = s.getsockopt(socket.SOL_SOCKET,
socket.SO_KEEPALIVE) > 0
self.assertTrue(nagle_disabled)
self.assertTrue(using_keepalive)
def test_timeout(self):
# Requests should time out when expected
block_event = Event()
ready_event = self.start_basic_handler(block_send=block_event, num=6)
# Pool-global timeout
timeout = Timeout(read=SHORT_TIMEOUT)
pool = HTTPConnectionPool(self.host,
self.port,
timeout=timeout,
retries=False)
self.addCleanup(pool.close)
wait_for_socket(ready_event)
conn = pool._get_conn()
self.assertRaises(ReadTimeoutError, pool._make_request, conn, 'GET',
'/')
pool._put_conn(conn)
block_event.set() # Release request
wait_for_socket(ready_event)
block_event.clear()
self.assertRaises(ReadTimeoutError, pool.request, 'GET', '/')
block_event.set() # Release request
# Request-specific timeouts should raise errors
pool = HTTPConnectionPool(self.host,
self.port,
timeout=LONG_TIMEOUT,
retries=False)
self.addCleanup(pool.close)
conn = pool._get_conn()
wait_for_socket(ready_event)
now = time.time()
self.assertRaises(ReadTimeoutError,
pool._make_request,
conn,
'GET',
'/',
timeout=timeout)
delta = time.time() - now
block_event.set() # Release request
message = "timeout was pool-level LONG_TIMEOUT rather than request-level SHORT_TIMEOUT"
self.assertTrue(delta < LONG_TIMEOUT, message)
pool._put_conn(conn)
wait_for_socket(ready_event)
now = time.time()
self.assertRaises(ReadTimeoutError,
pool.request,
'GET',
'/',
timeout=timeout)
delta = time.time() - now
message = "timeout was pool-level LONG_TIMEOUT rather than request-level SHORT_TIMEOUT"
self.assertTrue(delta < LONG_TIMEOUT, message)
block_event.set() # Release request
# Timeout int/float passed directly to request and _make_request should
# raise a request timeout
wait_for_socket(ready_event)
self.assertRaises(ReadTimeoutError,
pool.request,
'GET',
'/',
timeout=SHORT_TIMEOUT)
block_event.set() # Release request
wait_for_socket(ready_event)
conn = pool._new_conn()
# FIXME: This assert flakes sometimes. Not sure why.
self.assertRaises(ReadTimeoutError,
pool._make_request,
conn,
'GET',
'/',
timeout=SHORT_TIMEOUT)
block_event.set() # Release request