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cpython/Lib/test/mock_socket.py
Oleg Iarygin 56d16e8cb4
gh-93243: Make smtpd private before porting its users (GH-93246)
gh-93243

This PR is required to reduce diffs of the following porting (no need to either maintain documentation and tests consistent with each porting step, or try to port everything and remove smtpd in a single PR).

Automerge-Triggered-By: GH:warsaw
2022-08-05 17:41:29 -07:00

167 lines
3.7 KiB
Python

"""Mock socket module used by the smtplib tests.
"""
# imported for _GLOBAL_DEFAULT_TIMEOUT
import socket as socket_module
# Mock socket module
_defaulttimeout = None
_reply_data = None
# This is used to queue up data to be read through socket.makefile, typically
# *before* the socket object is even created. It is intended to handle a single
# line which the socket will feed on recv() or makefile().
def reply_with(line):
global _reply_data
_reply_data = line
class MockFile:
"""Mock file object returned by MockSocket.makefile().
"""
def __init__(self, lines):
self.lines = lines
def readline(self, limit=-1):
result = self.lines.pop(0) + b'\r\n'
if limit >= 0:
# Re-insert the line, removing the \r\n we added.
self.lines.insert(0, result[limit:-2])
result = result[:limit]
return result
def close(self):
pass
class MockSocket:
"""Mock socket object used by the smtplib tests.
"""
def __init__(self, family=None):
global _reply_data
self.family = family
self.output = []
self.lines = []
if _reply_data:
self.lines.append(_reply_data)
_reply_data = None
self.conn = None
self.timeout = None
def queue_recv(self, line):
self.lines.append(line)
def recv(self, bufsize, flags=None):
data = self.lines.pop(0) + b'\r\n'
return data
def fileno(self):
return 0
def settimeout(self, timeout):
if timeout is None:
self.timeout = _defaulttimeout
else:
self.timeout = timeout
def gettimeout(self):
return self.timeout
def setsockopt(self, level, optname, value):
pass
def getsockopt(self, level, optname, buflen=None):
return 0
def bind(self, address):
pass
def accept(self):
self.conn = MockSocket()
return self.conn, 'c'
def getsockname(self):
return ('0.0.0.0', 0)
def setblocking(self, flag):
pass
def listen(self, backlog):
pass
def makefile(self, mode='r', bufsize=-1):
handle = MockFile(self.lines)
return handle
def sendall(self, data, flags=None):
self.last = data
self.output.append(data)
return len(data)
def send(self, data, flags=None):
self.last = data
self.output.append(data)
return len(data)
def getpeername(self):
return ('peer-address', 'peer-port')
def close(self):
pass
def connect(self, host):
pass
def socket(family=None, type=None, proto=None):
return MockSocket(family)
def create_connection(address, timeout=socket_module._GLOBAL_DEFAULT_TIMEOUT,
source_address=None):
try:
int_port = int(address[1])
except ValueError:
raise error
ms = MockSocket()
if timeout is socket_module._GLOBAL_DEFAULT_TIMEOUT:
timeout = getdefaulttimeout()
ms.settimeout(timeout)
return ms
def setdefaulttimeout(timeout):
global _defaulttimeout
_defaulttimeout = timeout
def getdefaulttimeout():
return _defaulttimeout
def getfqdn():
return ""
def gethostname():
pass
def gethostbyname(name):
return ""
def getaddrinfo(*args, **kw):
return socket_module.getaddrinfo(*args, **kw)
gaierror = socket_module.gaierror
error = socket_module.error
# Constants
_GLOBAL_DEFAULT_TIMEOUT = socket_module._GLOBAL_DEFAULT_TIMEOUT
AF_INET = socket_module.AF_INET
AF_INET6 = socket_module.AF_INET6
SOCK_STREAM = socket_module.SOCK_STREAM
SOL_SOCKET = None
SO_REUSEADDR = None
if hasattr(socket_module, 'AF_UNIX'):
AF_UNIX = socket_module.AF_UNIX