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