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import socket
from unittest import mock
import pytest
from aiohttp.parsers import CORK, StreamWriter
has_ipv6 = socket.has_ipv6
if has_ipv6:
# The socket.has_ipv6 flag may be True if Python was built with IPv6
# support, but the target system still may not have it.
# So let's ensure that we really have IPv6 support.
try:
socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
except OSError:
has_ipv6 = False
# nodelay
def test_nodelay_default(loop):
transport = mock.Mock()
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
transport.get_extra_info.return_value = s
proto = mock.Mock()
reader = mock.Mock()
writer = StreamWriter(transport, proto, reader, loop)
assert not writer.tcp_nodelay
assert not s.getsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY)
def test_set_nodelay_no_change(loop):
transport = mock.Mock()
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
transport.get_extra_info.return_value = s
proto = mock.Mock()
reader = mock.Mock()
writer = StreamWriter(transport, proto, reader, loop)
writer.set_tcp_nodelay(False)
assert not writer.tcp_nodelay
assert not s.getsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY)
def test_set_nodelay_enable(loop):
transport = mock.Mock()
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
transport.get_extra_info.return_value = s
proto = mock.Mock()
reader = mock.Mock()
writer = StreamWriter(transport, proto, reader, loop)
writer.set_tcp_nodelay(True)
assert writer.tcp_nodelay
assert s.getsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY)
def test_set_nodelay_enable_and_disable(loop):
transport = mock.Mock()
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
transport.get_extra_info.return_value = s
proto = mock.Mock()
reader = mock.Mock()
writer = StreamWriter(transport, proto, reader, loop)
writer.set_tcp_nodelay(True)
writer.set_tcp_nodelay(False)
assert not writer.tcp_nodelay
assert not s.getsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY)
@pytest.mark.skipif(not has_ipv6, reason="IPv6 is not available")
def test_set_nodelay_enable_ipv6(loop):
transport = mock.Mock()
s = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
transport.get_extra_info.return_value = s
proto = mock.Mock()
reader = mock.Mock()
writer = StreamWriter(transport, proto, reader, loop)
writer.set_tcp_nodelay(True)
assert writer.tcp_nodelay
assert s.getsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY)
@pytest.mark.skipif(not hasattr(socket, 'AF_UNIX'),
reason="requires unix sockets")
def test_set_nodelay_enable_unix(loop):
transport = mock.Mock()
s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
transport.get_extra_info.return_value = s
proto = mock.Mock()
reader = mock.Mock()
writer = StreamWriter(transport, proto, reader, loop)
writer.set_tcp_nodelay(True)
assert writer.tcp_nodelay
def test_set_nodelay_enable_no_socket(loop):
transport = mock.Mock()
transport.get_extra_info.return_value = None
proto = mock.Mock()
reader = mock.Mock()
writer = StreamWriter(transport, proto, reader, loop)
writer.set_tcp_nodelay(True)
assert writer.tcp_nodelay
assert writer._socket is None
# cork
@pytest.mark.skipif(CORK is None, reason="TCP_CORK or TCP_NOPUSH required")
def test_cork_default(loop):
transport = mock.Mock()
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
transport.get_extra_info.return_value = s
proto = mock.Mock()
reader = mock.Mock()
writer = StreamWriter(transport, proto, reader, loop)
assert not writer.tcp_cork
assert not s.getsockopt(socket.IPPROTO_TCP, CORK)
@pytest.mark.skipif(CORK is None, reason="TCP_CORK or TCP_NOPUSH required")
def test_set_cork_no_change(loop):
transport = mock.Mock()
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
transport.get_extra_info.return_value = s
proto = mock.Mock()
reader = mock.Mock()
writer = StreamWriter(transport, proto, reader, loop)
writer.set_tcp_cork(False)
assert not writer.tcp_cork
assert not s.getsockopt(socket.IPPROTO_TCP, CORK)
@pytest.mark.skipif(CORK is None, reason="TCP_CORK or TCP_NOPUSH required")
def test_set_cork_enable(loop):
transport = mock.Mock()
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
transport.get_extra_info.return_value = s
proto = mock.Mock()
reader = mock.Mock()
writer = StreamWriter(transport, proto, reader, loop)
writer.set_tcp_cork(True)
assert writer.tcp_cork
assert s.getsockopt(socket.IPPROTO_TCP, CORK)
@pytest.mark.skipif(CORK is None, reason="TCP_CORK or TCP_NOPUSH required")
def test_set_cork_enable_and_disable(loop):
transport = mock.Mock()
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
transport.get_extra_info.return_value = s
proto = mock.Mock()
reader = mock.Mock()
writer = StreamWriter(transport, proto, reader, loop)
writer.set_tcp_cork(True)
writer.set_tcp_cork(False)
assert not writer.tcp_cork
assert not s.getsockopt(socket.IPPROTO_TCP, CORK)
@pytest.mark.skipif(not has_ipv6, reason="IPv6 is not available")
@pytest.mark.skipif(CORK is None, reason="TCP_CORK or TCP_NOPUSH required")
def test_set_cork_enable_ipv6(loop):
transport = mock.Mock()
s = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
transport.get_extra_info.return_value = s
proto = mock.Mock()
reader = mock.Mock()
writer = StreamWriter(transport, proto, reader, loop)
writer.set_tcp_cork(True)
assert writer.tcp_cork
assert s.getsockopt(socket.IPPROTO_TCP, CORK)
@pytest.mark.skipif(not hasattr(socket, 'AF_UNIX'),
reason="requires unix sockets")
@pytest.mark.skipif(CORK is None, reason="TCP_CORK or TCP_NOPUSH required")
def test_set_cork_enable_unix(loop):
transport = mock.Mock()
s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
transport.get_extra_info.return_value = s
proto = mock.Mock()
reader = mock.Mock()
writer = StreamWriter(transport, proto, reader, loop)
writer.set_tcp_cork(True)
assert writer.tcp_cork
@pytest.mark.skipif(CORK is None, reason="TCP_CORK or TCP_NOPUSH required")
def test_set_cork_enable_no_socket(loop):
transport = mock.Mock()
transport.get_extra_info.return_value = None
proto = mock.Mock()
reader = mock.Mock()
writer = StreamWriter(transport, proto, reader, loop)
writer.set_tcp_cork(True)
assert writer.tcp_cork
assert writer._socket is None
# cork and nodelay interference
@pytest.mark.skipif(CORK is None, reason="TCP_CORK or TCP_NOPUSH required")
def test_set_enabling_cork_disables_nodelay(loop):
transport = mock.Mock()
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
transport.get_extra_info.return_value = s
proto = mock.Mock()
reader = mock.Mock()
writer = StreamWriter(transport, proto, reader, loop)
writer.set_tcp_nodelay(True)
writer.set_tcp_cork(True)
assert not writer.tcp_nodelay
assert not s.getsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY)
assert writer.tcp_cork
assert s.getsockopt(socket.IPPROTO_TCP, CORK)
@pytest.mark.skipif(CORK is None, reason="TCP_CORK or TCP_NOPUSH required")
def test_set_enabling_nodelay_disables_cork(loop):
transport = mock.Mock()
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
transport.get_extra_info.return_value = s
proto = mock.Mock()
reader = mock.Mock()
writer = StreamWriter(transport, proto, reader, loop)
writer.set_tcp_cork(True)
writer.set_tcp_nodelay(True)
assert writer.tcp_nodelay
assert s.getsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY)
assert not writer.tcp_cork
assert not s.getsockopt(socket.IPPROTO_TCP, CORK)
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