1# Copyright (c) 2015 The Chromium Authors. All rights reserved. 2# Use of this source code is governed by a BSD-style license that can be 3# found in the LICENSE file. 4 5 6class BaseTool(object): 7 """A tool that does nothing.""" 8 # pylint: disable=R0201 9 10 def __init__(self): 11 """Does nothing.""" 12 pass 13 14 def GetTestWrapper(self): 15 """Returns a string that is to be prepended to the test command line.""" 16 return '' 17 18 def GetUtilWrapper(self): 19 """Returns the wrapper name for the utilities. 20 21 Returns: 22 A string that is to be prepended to the command line of utility 23 processes (forwarder, etc.). 24 """ 25 return '' 26 27 @classmethod 28 def CopyFiles(cls, device): 29 """Copies tool-specific files to the device, create directories, etc.""" 30 pass 31 32 def SetupEnvironment(self): 33 """Sets up the system environment for a test. 34 35 This is a good place to set system properties. 36 """ 37 pass 38 39 def CleanUpEnvironment(self): 40 """Cleans up environment.""" 41 pass 42 43 def GetTimeoutScale(self): 44 """Returns a multiplier that should be applied to timeout values.""" 45 return 1.0 46 47 def NeedsDebugInfo(self): 48 """Whether this tool requires debug info. 49 50 Returns: 51 True if this tool can not work with stripped binaries. 52 """ 53 return False 54