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# Copyright 2014 Microsoft Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Requires Python 2.4+ and Openssl 1.0+
#
# Implements parts of RFC 2131, 1541, 1497 and
# http://msdn.microsoft.com/en-us/library/cc227282%28PROT.10%29.aspx
# http://msdn.microsoft.com/en-us/library/cc227259%28PROT.13%29.aspx
import tests.env as env
from tests.tools import *
import uuid
import unittest
import os
import json
import azurelinuxagent.utils.fileutil as fileutil
import azurelinuxagent.distro.default.dhcp as dhcp_handler
SampleDhcpResponse = None
with open(os.path.join(env.test_root, "dhcp"), 'rb') as F:
SampleDhcpResponse = F.read()
mock_socket_send = MockFunc('socket_send', SampleDhcpResponse)
mock_gen_trans_id = MockFunc('gen_trans_id', "\xC6\xAA\xD1\x5D")
mock_get_mac_addr = MockFunc('get_mac_addr', "\x00\x15\x5D\x38\xAA\x38")
mock_send_dhcp_failed = MockFunc(retval=None)
class TestdhcpHandler(unittest.TestCase):
def test_build_dhcp_req(self):
req = dhcp_handler.build_dhcp_request(mock_get_mac_addr())
self.assertNotEquals(None, req)
@mock(dhcp_handler, "gen_trans_id", mock_gen_trans_id)
@mock(dhcp_handler, "socket_send", mock_socket_send)
def test_send_dhcp_req(self):
req = dhcp_handler.build_dhcp_request(mock_get_mac_addr())
resp = dhcp_handler.send_dhcp_request(req)
self.assertNotEquals(None, resp)
@mock(dhcp_handler, "send_dhcp_request", mock_send_dhcp_failed)
def test_send_dhcp_failed(self):
dhcp = dhcp_handler.DhcpHandler()
dhcp.probe()
@mock(dhcp_handler, "socket_send", mock_socket_send)
@mock(dhcp_handler, "gen_trans_id", mock_gen_trans_id)
@mock(dhcp_handler.OSUTIL, "get_mac_addr", mock_get_mac_addr)
@mock(dhcp_handler.fileutil, "write_file", MockFunc())
def test_handle_dhcp(self):
dh = dhcp_handler.DhcpHandler()
dh.probe()
self.assertEquals("10.62.144.1", dh.gateway)
self.assertEquals("10.62.144.140", dh.endpoint)
if __name__ == '__main__':
unittest.main()
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