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#!/usr/bin/env python
# Copyright 2016 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import logging
import os
import sys
import unittest
from log import *
from parsed_trace_events import *
from py_utils import tempfile_ext
class LogIOTest(unittest.TestCase):
def test_enable_with_file(self):
with tempfile_ext.TemporaryFileName() as filename:
trace_enable(open(filename, 'w+'))
trace_disable()
e = ParsedTraceEvents(trace_filename=filename)
self.assertTrue(len(e) > 0)
def test_enable_with_filename(self):
with tempfile_ext.TemporaryFileName() as filename:
trace_enable(filename)
trace_disable()
e = ParsedTraceEvents(trace_filename=filename)
self.assertTrue(len(e) > 0)
def test_enable_with_implicit_filename(self):
expected_filename = "%s.json" % sys.argv[0]
def do_work():
trace_enable()
trace_disable()
e = ParsedTraceEvents(trace_filename=expected_filename)
self.assertTrue(len(e) > 0)
try:
do_work()
finally:
if os.path.exists(expected_filename):
os.unlink(expected_filename)
if __name__ == '__main__':
logging.getLogger().setLevel(logging.DEBUG)
unittest.main(verbosity=2)
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