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# Copyright 2014 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 os
import json
from profile_chrome import chrome_controller
from profile_chrome import controllers_unittest
class ChromeControllerTest(controllers_unittest.BaseControllerTest):
def testGetCategories(self):
# Not supported on stable yet.
# TODO(skyostil): Remove this once category queries roll into stable.
if self.browser == 'stable':
return
categories = \
chrome_controller.ChromeTracingController.GetCategories(
self.device, self.package_info)
self.assertEquals(len(categories), 2)
self.assertTrue(categories[0])
self.assertTrue(categories[1])
def testTracing(self):
categories = '*'
ring_buffer = False
controller = chrome_controller.ChromeTracingController(self.device,
self.package_info,
categories,
ring_buffer)
interval = 1
try:
controller.StartTracing(interval)
finally:
controller.StopTracing()
result = controller.PullTrace()
try:
with open(result) as f:
json.loads(f.read())
finally:
os.remove(result)
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