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mtr 0.94

    1: #!/usr/bin/env python
    2: #
    3: #   mtr  --  a network diagnostic tool
    4: #   Copyright (C) 2016  Matt Kimball
    5: #
    6: #   This program is free software; you can redistribute it and/or modify
    7: #   it under the terms of the GNU General Public License version 2 as
    8: #   published by the Free Software Foundation.
    9: #
   10: #   This program is distributed in the hope that it will be useful,
   11: #   but WITHOUT ANY WARRANTY; without even the implied warranty of
   12: #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   13: #   GNU General Public License for more details.
   14: #
   15: #   You should have received a copy of the GNU General Public License along
   16: #   with this program; if not, write to the Free Software Foundation, Inc.,
   17: #   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
   18: #
   19: 
   20: '''Test probe customization parameters'''
   21: 
   22: import sys
   23: import unittest
   24: 
   25: import mtrpacket
   26: 
   27: 
   28: @unittest.skipIf(sys.platform == 'cygwin', 'No Cygwin test')
   29: class TestParameters(mtrpacket.MtrPacketTest):
   30:     'Use parameter arguments to mtr-packet and examine the resulting packet'
   31: 
   32:     def test_size(self):
   33:         'Test probes sent with an explicit packet size'
   34: 
   35:         with mtrpacket.PacketListen('-4') as listen:
   36:             cmd = '20 send-probe ip-4 127.0.0.1 size 512'
   37: 
   38:             self.write_command(cmd)
   39: 
   40:         self.assertEqual(listen.attrib['size'], '512')
   41: 
   42:     def test_pattern(self):
   43:         'Test probes are filled with the requested bit pattern'
   44: 
   45:         with mtrpacket.PacketListen('-4') as listen:
   46:             cmd = '20 send-probe ip-4 127.0.0.1 bit-pattern 44'
   47: 
   48:             self.write_command(cmd)
   49: 
   50:         self.assertEqual(listen.attrib['bitpattern'], '44')
   51: 
   52:     def test_tos(self):
   53:         'Test setting the TOS field'
   54: 
   55:         with mtrpacket.PacketListen('-4') as listen:
   56:             cmd = '20 send-probe ip-4 127.0.0.1 tos 62'
   57: 
   58:             self.write_command(cmd)
   59: 
   60:         self.assertEqual(listen.attrib['tos'], '62')
   61: 
   62: 
   63: @unittest.skipIf(sys.platform == 'cygwin', 'No Cygwin test')
   64: class TestIPv6Parameters(mtrpacket.MtrPacketTest):
   65:     'Test packet parameter customization for IPv6'
   66: 
   67:     @unittest.skipUnless(mtrpacket.HAVE_IPV6, 'No IPv6')
   68:     def test_param(self):
   69:         'Test a variety of packet parameters'
   70: 
   71:         with mtrpacket.PacketListen('-6') as listen:
   72:             param = 'size 256 bit-pattern 51 tos 77'
   73:             cmd = '20 send-probe ip-6 ::1 ' + param
   74: 
   75:             self.write_command(cmd)
   76: 
   77:         self.assertEqual(listen.attrib['size'], '256')
   78:         self.assertEqual(listen.attrib['bitpattern'], '51')
   79: 
   80: 
   81: if __name__ == '__main__':
   82:     mtrpacket.check_running_as_root()
   83:     unittest.main()