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70 lines
1.7 KiB
Python
70 lines
1.7 KiB
Python
# Copyright 2015 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Defines the test controller base library.
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This module is the basis on which test controllers are built and executed.
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"""
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import logging
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import sys
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#pylint: disable=relative-import
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import common_lib
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import task_controller
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import task_registration_server
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class TestController(object):
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"""The base test controller class."""
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def __init__(self):
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self._registration_server = (
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task_registration_server.TaskRegistrationServer())
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def SetUp(self):
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"""Setup method used by the subclass."""
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pass
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def RunTest(self):
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"""Main test method used by the subclass."""
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raise NotImplementedError()
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def TearDown(self):
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"""Teardown method used by the subclass."""
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pass
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def CreateNewTask(self, *args, **kwargs):
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task = task_controller.TaskController(*args, **kwargs)
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self._registration_server.RegisterTaskCallback(
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task.otp, task.OnConnect)
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return task
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def RunController(self):
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"""Main entry point for the controller."""
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print ' '.join(sys.argv)
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common_lib.InitLogging()
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self._registration_server.Start()
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error = None
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tb = None
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try:
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self.SetUp()
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self.RunTest()
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except Exception as e:
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# Defer raising exceptions until after TearDown is called.
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error = e
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tb = sys.exc_info()[-1]
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try:
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self.TearDown()
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except Exception as e:
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if not tb:
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error = e
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tb = sys.exc_info()[-1]
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self._registration_server.Shutdown()
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task_controller.TaskController.ReleaseAllTasks()
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if error:
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raise error, None, tb #pylint: disable=raising-bad-type
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