| # Copyright 2015 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 |
| |
| from profile_chrome import controllers_unittest |
| from profile_chrome import ddms_controller |
| |
| |
| class DdmsControllerTest(controllers_unittest.BaseControllerTest): |
| def testTracing(self): |
| controller = ddms_controller.DdmsController(self.device, self.package_info) |
| |
| interval = 1 |
| try: |
| controller.StartTracing(interval) |
| finally: |
| controller.StopTracing() |
| |
| result = controller.PullTrace() |
| try: |
| with open(result) as f: |
| self.assertTrue(f.read().startswith('*version')) |
| finally: |
| os.remove(result) |