remove stale test data on the device

build/android/test_runner.py

 #!/usr/bin/env python
 #
 # Copyright 2013 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.
 
 """Runs all types of tests from one unified interface."""
 
 import argparse
 import collections
@@ skipping 203 matching lines @@
                      '--isolate-file-path',
                      dest='isolate_file_path',
                      help='.isolate file path to override the default '
                           'path')
   group.add_argument('--app-data-file', action='append', dest='app_data_files',
                      help='A file path relative to the app data directory '
                           'that should be saved to the host.')
   group.add_argument('--app-data-file-dir',
                      help='Host directory to which app data files will be'
                           ' saved. Used with --app-data-file.')
+  group.add_argument('--delete-stale-data', dest='delete_stale_data',
+                     action='store_true',
+                     help='Delete stale test data on the device.')
 
   filter_group = group.add_mutually_exclusive_group()
   filter_group.add_argument('-f', '--gtest_filter', '--gtest-filter',
                             dest='test_filter',
                             help='googletest-style filter string.')
   filter_group.add_argument('--gtest-filter-file', dest='test_filter_file',
                             help='Path to file that contains googletest-style '
                                   'filter strings. (Lines will be joined with '
                                   '":" to create a single filter string.)')
 
@@ skipping 100 matching lines @@
                      help='The relative filepath to a file containing '
                           'command-line flags to set on the device')
   group.add_argument('--device-flags-file', default='',
                      help='The relative filepath to a file containing '
                           'command-line flags to set on the device')
   group.add_argument('--isolate_file_path',
                      '--isolate-file-path',
                      dest='isolate_file_path',
                      help='.isolate file path to override the default '
                           'path')
+  group.add_argument('--delete-stale-data', dest='delete_stale_data',
+                     action='store_true',
+                     help='Delete stale test data on the device.')
 
   AddCommonOptions(parser)
   AddDeviceOptions(parser)
   AddRemoteDeviceOptions(parser)
 
 
 def ProcessInstrumentationOptions(args):
   """Processes options/arguments and populate |options| with defaults.
 
   Args:
@@ skipping 33 matching lines @@
       args.screenshot_failures,
       args.wait_for_debugger,
       args.coverage_dir,
       args.test_apk,
       args.test_apk_path,
       args.test_apk_jar_path,
       args.test_runner,
       args.test_support_apk_path,
       args.device_flags,
       args.isolate_file_path,
-      args.set_asserts
+      args.set_asserts,
+      args.delete_stale_data
       )
 
 
 def AddUIAutomatorTestOptions(parser):
   """Adds UI Automator test options to |parser|."""
 
   group = parser.add_argument_group('UIAutomator Test Options')
   AddJavaTestOptions(group)
   group.add_argument(
       '--package', required=True, choices=constants.PACKAGE_INFO.keys(),
@@ skipping 233 matching lines @@
     # into the gtest code.
     gtest_options = gtest_test_options.GTestOptions(
         args.tool,
         args.test_filter,
         args.run_disabled,
         args.test_arguments,
         args.timeout,
         args.isolate_file_path,
         suite_name,
         args.app_data_files,
-        args.app_data_file_dir)
+        args.app_data_file_dir,
+        args.delete_stale_data)
     runner_factory, tests = gtest_setup.Setup(gtest_options, devices)
 
     results, test_exit_code = test_dispatcher.RunTests(
         tests, runner_factory, devices, shard=True, test_timeout=None,
         num_retries=args.num_retries)
 
     if test_exit_code and exit_code != constants.ERROR_EXIT_CODE:
       exit_code = test_exit_code
 
     report_results.LogFull(
@@ skipping 373 matching lines @@
     if e.is_infra_error:
       return constants.INFRA_EXIT_CODE
     return constants.ERROR_EXIT_CODE
   except: # pylint: disable=W0702
     logging.exception('Unrecognized error occurred.')
     return constants.ERROR_EXIT_CODE
 
 
 if __name__ == '__main__':
   sys.exit(main())