1 #!/usr/bin/env python 2 # 3 # Copyright 2011, Google Inc. 4 # All rights reserved. 5 # 6 # Redistribution and use in source and binary forms, with or without 7 # modification, are permitted provided that the following conditions are 8 # met: 9 # 10 # * Redistributions of source code must retain the above copyright 11 # notice, this list of conditions and the following disclaimer. 12 # * Redistributions in binary form must reproduce the above 13 # copyright notice, this list of conditions and the following disclaimer 14 # in the documentation and/or other materials provided with the 15 # distribution. 16 # * Neither the name of Google Inc. nor the names of its 17 # contributors may be used to endorse or promote products derived from 18 # this software without specific prior written permission. 19 # 20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 32 33 """Tests for util module.""" 34 35 36 import os 37 import sys 38 import unittest 39 40 import set_sys_path # Update sys.path to locate mod_pywebsocket module. 41 42 from mod_pywebsocket import util 43 44 45 _TEST_DATA_DIR = os.path.join(os.path.split(__file__)[0], 'testdata') 46 47 48 class UtilTest(unittest.TestCase): 49 """A unittest for util module.""" 50 51 def test_get_stack_trace(self): 52 self.assertEqual('None\n', util.get_stack_trace()) 53 try: 54 a = 1 / 0 # Intentionally raise exception. 55 except Exception: 56 trace = util.get_stack_trace() 57 self.failUnless(trace.startswith('Traceback')) 58 self.failUnless(trace.find('ZeroDivisionError') != -1) 59 60 def test_prepend_message_to_exception(self): 61 exc = Exception('World') 62 self.assertEqual('World', str(exc)) 63 util.prepend_message_to_exception('Hello ', exc) 64 self.assertEqual('Hello World', str(exc)) 65 66 def test_get_script_interp(self): 67 cygwin_path = 'c:\\cygwin\\bin' 68 cygwin_perl = os.path.join(cygwin_path, 'perl') 69 self.assertEqual(None, util.get_script_interp( 70 os.path.join(_TEST_DATA_DIR, 'README'))) 71 self.assertEqual(None, util.get_script_interp( 72 os.path.join(_TEST_DATA_DIR, 'README'), cygwin_path)) 73 self.assertEqual('/usr/bin/perl -wT', util.get_script_interp( 74 os.path.join(_TEST_DATA_DIR, 'hello.pl'))) 75 self.assertEqual(cygwin_perl + ' -wT', util.get_script_interp( 76 os.path.join(_TEST_DATA_DIR, 'hello.pl'), cygwin_path)) 77 78 def test_hexify(self): 79 self.assertEqual('61 7a 41 5a 30 39 20 09 0d 0a 00 ff', 80 util.hexify('azAZ09 \t\r\n\x00\xff')) 81 82 83 class RepeatedXorMaskerTest(unittest.TestCase): 84 """A unittest for RepeatedXorMasker class.""" 85 86 def test_mask(self): 87 # Sample input e6,97,a5 is U+65e5 in UTF-8 88 masker = util.RepeatedXorMasker('\xff\xff\xff') 89 result = masker.mask('\xe6\x97\xa5') 90 self.assertEqual('\x19\x68\x5a', result) 91 92 masker = util.RepeatedXorMasker('\x00\x00\x00') 93 result = masker.mask('\xe6\x97\xa5') 94 self.assertEqual('\xe6\x97\xa5', result) 95 96 masker = util.RepeatedXorMasker('\xe6\x97\xa5') 97 result = masker.mask('\xe6\x97\xa5') 98 self.assertEqual('\x00\x00\x00', result) 99 100 def test_mask_twice(self): 101 masker = util.RepeatedXorMasker('\x00\x7f\xff') 102 # mask[0], mask[1], ... will be used. 103 result = masker.mask('\x00\x00\x00\x00\x00') 104 self.assertEqual('\x00\x7f\xff\x00\x7f', result) 105 # mask[2], mask[0], ... will be used for the next call. 106 result = masker.mask('\x00\x00\x00\x00\x00') 107 self.assertEqual('\xff\x00\x7f\xff\x00', result) 108 109 110 if __name__ == '__main__': 111 unittest.main() 112 113 114 # vi:sts=4 sw=4 et 115
