1 # Copyright (C) 2011 Google Inc. All rights reserved. 2 # 3 # Redistribution and use in source and binary forms, with or without 4 # modification, are permitted provided that the following conditions are 5 # met: 6 # 7 # * Redistributions of source code must retain the above copyright 8 # notice, this list of conditions and the following disclaimer. 9 # * Redistributions in binary form must reproduce the above 10 # copyright notice, this list of conditions and the following disclaimer 11 # in the documentation and/or other materials provided with the 12 # distribution. 13 # * Neither the name of Google Inc. nor the names of its 14 # contributors may be used to endorse or promote products derived from 15 # this software without specific prior written permission. 16 # 17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29 import sys 30 import unittest 31 32 from webkitpy.common.system import outputcapture 33 from webkitpy.common.system import stack_utils 34 35 36 def current_thread_id(): 37 thread_id, _ = sys._current_frames().items()[0] 38 return thread_id 39 40 41 class Test(unittest.TestCase): 42 def test_find_thread_stack_found(self): 43 thread_id = current_thread_id() 44 found_stack = stack_utils._find_thread_stack(thread_id) 45 self.assertNotEqual(found_stack, None) 46 47 def test_find_thread_stack_not_found(self): 48 found_stack = stack_utils._find_thread_stack(0) 49 self.assertEqual(found_stack, None) 50 51 def test_log_thread_state(self): 52 msgs = [] 53 54 def logger(msg): 55 msgs.append(msg) 56 57 thread_id = current_thread_id() 58 stack_utils.log_thread_state(logger, "test-thread", thread_id, 59 "is tested") 60 self.assertTrue(msgs) 61 62 def test_log_traceback(self): 63 msgs = [] 64 65 def logger(msg): 66 msgs.append(msg) 67 68 try: 69 raise ValueError 70 except: 71 stack_utils.log_traceback(logger, sys.exc_info()[2]) 72 self.assertTrue(msgs) 73 74 75 if __name__ == '__main__': 76 unittest.main() 77