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import array
import os
import shutil
import sys
import tempfile
import eventlet
from eventlet.green import socket
from eventlet.support import greendns
import tests
def test_recv_type():
# https://github.com/eventlet/eventlet/issues/245
# socket recv returning multiple data types
# For this test to work, client and server have to be in separate
# processes or OS threads. Just running two greenthreads gives
# false test pass.
threading = eventlet.patcher.original('threading')
addr = []
def server():
sock = eventlet.listen(('127.0.0.1', 0))
addr[:] = sock.getsockname()
eventlet.sleep(0.2)
server_thread = threading.Thread(target=server)
server_thread.start()
eventlet.sleep(0.1)
sock = eventlet.connect(tuple(addr))
s = sock.recv(1)
assert isinstance(s, bytes)
def test_recv_into_type():
# make sure `_recv_loop` returns the correct value when `recv_meth` is of
# foo_into type (fills a buffer and returns number of bytes, not the data)
# Using threads like `test_recv_type` above.
threading = eventlet.patcher.original('threading')
addr = []
def server():
sock = eventlet.listen(('127.0.0.1', 0))
addr[:] = sock.getsockname()
eventlet.sleep(0.2)
server_thread = threading.Thread(target=server)
server_thread.start()
eventlet.sleep(0.1)
sock = eventlet.connect(tuple(addr))
buf = array.array('B', b' ')
res = sock.recv_into(buf, 1)
assert isinstance(res, int)
def test_dns_methods_are_green():
assert socket.gethostbyname is greendns.gethostbyname
assert socket.gethostbyname_ex is greendns.gethostbyname_ex
assert socket.getaddrinfo is greendns.getaddrinfo
assert socket.getnameinfo is greendns.getnameinfo
# https://github.com/eventlet/eventlet/pull/341
# mock older dnspython in system packages
mock_sys_pkg_dir = tempfile.mkdtemp('eventlet_test_dns_methods_are_green')
try:
with open(mock_sys_pkg_dir + '/dns.py', 'wb') as f:
f.write(b'raise Exception("Your IP address string is so illegal ' +
b'it prevents installing packages.")\n')
tests.run_isolated('socket_resolve_green.py', pythonpath_extend=[mock_sys_pkg_dir])
finally:
shutil.rmtree(mock_sys_pkg_dir)
def test_socket_api_family():
# It was named family_or_realsock
# https://github.com/eventlet/eventlet/issues/319
socket.socket(family=socket.AF_INET)
def test_getaddrinfo_ipv6_scope():
greendns.is_ipv6_addr('::1%2')
if not socket.has_ipv6:
return
socket.getaddrinfo('::1%2', 80, socket.AF_INET6)
def test_error_is_timeout():
s1, _ = socket.socketpair()
s1.settimeout(0.01)
try:
s1.recv(1)
except OSError as e:
tests.check_is_timeout(e)
else:
assert False, 'No timeout, socket.error was not raised'
def test_connect_ex_success():
# https://github.com/eventlet/eventlet/issues/696
server = eventlet.listen(("127.0.0.1", 0))
client = socket.socket()
result = client.connect_ex(server.getsockname())
assert result == 0
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