15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# Copyright (C) 2011 Google Inc. All rights reserved.
25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#
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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.
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155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)# this software without specific prior written permission.
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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)
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