62 lines
1.8 KiB
Python
62 lines
1.8 KiB
Python
# Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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class FakeHost(object):
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"""A fake implementation of a lansim.host.Host object.
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This class replaces the real Host class and should be used for unit testing.
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"""
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def __init__(self, ip_addr):
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self.ip_addr = ip_addr
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# List of FakeSocket objects returned by socket()
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self._sockets = []
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def socket(self, family, sock_type):
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"""Creates a new FakeSocket and returns it.
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@param family: The socket family, for example AF_INET.
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@param sock_type: The socket type, for example SOCK_DGRAM.
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@return: a FakeSocket object.
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"""
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sock = FakeSocket(self, family, sock_type)
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self._sockets.append(sock)
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return sock
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class FakeSocket(object):
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"""A fake socket interface implementation.
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This class implements a fake socket object as returned by the Host.socket()
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method.
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"""
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def __init__(self, host, family, sock_type):
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self._host = host
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self._family = family
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self._sock_type = sock_type
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self._bound = False
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def listen(self, ip_addr, port, recv_callback):
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"""Bind and listen on the ip_addr:port.
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The fake implementation only stores these value as members of the
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FakeSocket to allow the test inspect those values.
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@param ip_addr: Local destination ip_addr.
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@param port: Local destination port number.
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@param recv_callback: A callback function that accepts three
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arguments, the received string, the sender IPv4 address and the
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sender port number.
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"""
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self._bound = True
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self._bind_ip_addr = ip_addr
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self._bind_port = port
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self._bind_recv_callback = recv_callback
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