Add ability to pass a base test root and create results dirs relative.

bin/au_test_harness/real_au_worker.py

 # Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Module containing class that implements an au_worker for a test device."""
 
 import unittest
 
 import cros_build_lib as cros_lib
 
 import au_worker
 
 class RealAUWorker(au_worker.AUWorker):
   """Test harness for updating real images."""
 
-  def __init__(self, options):
+  def __init__(self, options, test_results_root):
     """Processes non-vm-specific options."""
-    au_worker.AUWorker.__init__(self, options)
+    au_worker.AUWorker.__init__(self, options, test_results_root)
     self.remote = options.remote
     if not self.remote: cros_lib.Die('We require a remote address for tests.')
 
   def PrepareBase(self, image_path):
     """Auto-update to base image to prepare for test."""
     self.PrepareRealBase(image_path)
 
   def UpdateImage(self, image_path, src_image_path='', stateful_change='old',
                   proxy_port=None, private_key_path=None):
     """Updates a remote image using image_to_live.sh."""
@@ skipping 15 matching lines @@
            '--payload=%s' % update_path,
            '--remote=%s' % self.remote,
            stateful_change_flag,
            '--verify',
           ]
     if proxy_port: cmd.append('--proxy_port=%s' % proxy_port)
     self.RunUpdateCmd(cmd)
 
   def VerifyImage(self, unittest, percent_required_to_pass=100):
     """Verifies an image using run_remote_tests.sh with verification suite."""
+    test_directory = self.GetNextResultsPath('verify')
     output = cros_lib.RunCommand(
         ['%s/run_remote_tests.sh' % self.crosutils,
          '--remote=%s' % self.remote,
+         '--results_dir_root=%s' % test_directory,
          self.verify_suite,
         ], error_ok=True, enter_chroot=False, redirect_stdout=True)
     return self.AssertEnoughTestsPassed(unittest, output,
                                         percent_required_to_pass)