15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# Copyright (C) 2011 Google Inc. All rights reserved. 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# Redistribution and use in source and binary forms, with or without 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# modification, are permitted provided that the following conditions are 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# met: 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# * Redistributions of source code must retain the above copyright 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# notice, this list of conditions and the following disclaimer. 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# * Redistributions in binary form must reproduce the above 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# copyright notice, this list of conditions and the following disclaimer 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# in the documentation and/or other materials provided with the 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# distribution. 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# * Neither the name of Google Inc. nor the names of its 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# contributors may be used to endorse or promote products derived from 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# this software without specific prior written permission. 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)import sys 30e38fbeeb576b5094e34e038ab88d9d6a5c5c2214Torne (Richard Coles)import unittest 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)from webkitpy.common.system import outputcapture 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)from webkitpy.common.system import stack_utils 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)def current_thread_id(): 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) thread_id, _ = sys._current_frames().items()[0] 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return thread_id 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class StackUtilsTest(unittest.TestCase): 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) def test_find_thread_stack_found(self): 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) thread_id = current_thread_id() 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) found_stack = stack_utils._find_thread_stack(thread_id) 45926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) self.assertIsNotNone(found_stack) 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) def test_find_thread_stack_not_found(self): 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) found_stack = stack_utils._find_thread_stack(0) 49926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) self.assertIsNone(found_stack) 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) def test_log_thread_state(self): 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) msgs = [] 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) def logger(msg): 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) msgs.append(msg) 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) thread_id = current_thread_id() 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) stack_utils.log_thread_state(logger, "test-thread", thread_id, 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) "is tested") 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) self.assertTrue(msgs) 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) def test_log_traceback(self): 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) msgs = [] 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) def logger(msg): 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) msgs.append(msg) 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) try: 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) raise ValueError 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) except: 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) stack_utils.log_traceback(logger, sys.exc_info()[2]) 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) self.assertTrue(msgs) 73