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# MySQL Connector/Python - MySQL driver written in Python.
# Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
# MySQL Connector/Python is licensed under the terms of the GPLv2
# <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most
# MySQL Connectors. There are special exceptions to the terms and
# conditions of the GPLv2 as it is applied to this software, see the
# FOSS License Exception
# <http://www.mysql.com/about/legal/licensing/foss-exception.html>.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import errno
import socket
class DummySocket(object):
"""Dummy socket class
This class helps to test socket connection without actually making any
network activity. It is a proxy class using socket.socket.
"""
def __init__(self, *args):
self._socket = socket.socket(*args)
self._server_replies = b''
self._client_sends = []
self._raise_socket_error = 0
def __getattr__(self, attr):
return getattr(self._socket, attr)
def raise_socket_error(self, err=errno.EPERM):
self._raise_socket_error = err
def recv(self, bufsize=4096, flags=0):
if self._raise_socket_error:
raise socket.error(self._raise_socket_error)
res = self._server_replies[0:bufsize]
self._server_replies = self._server_replies[bufsize:]
return res
def send(self, string, flags=0):
if self._raise_socket_error:
raise socket.error(self._raise_socket_error)
self._client_sends.append(string)
return len(string)
def sendall(self, string, flags=0):
self._client_sends.append(string)
return None
def add_packet(self, packet):
self._server_replies += packet
def add_packets(self, packets):
for packet in packets:
self._server_replies += packet
def reset(self):
self._raise_socket_error = 0
self._server_replies = b''
self._client_sends = []
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