[chromedriver]Add a filter to run a subset of tests.

chrome/test/chromedriver/run_java_tests.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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 the WebDriver Java acceptance tests.
 
 This script is called from chrome/test/chromedriver/run_all_tests.py and reports
 results using the buildbot annotation scheme.
 
@@ skipping 197 matching lines @@
     print '=' * 10, result.GetName(), '(%ss)' % result.GetTime()
     print result.GetFailureMessage()
   if len(failures) > 0:
     print '@@@STEP_TEXT@Failed %s tests@@@' % len(failures)
   return len(failures)
 
 
 def main():
   parser = optparse.OptionParser()
   parser.add_option(
-      '', '--chromedriver_path', type='string', default=None,
+      '', '--chromedriver', type='string', default=None,
       help='Path to a build of the chromedriver library(REQUIRED!)')
   parser.add_option(
-      '', '--chrome_path', type='string', default=None,
+      '', '--chrome', type='string', default=None,
       help='Path to a build of the chrome binary')
   parser.add_option(
       '', '--filter', type='string', default=None,
       help='Filter for specifying what tests to run, "*" will run all. E.g., ' +
            'AppCacheTest,ElementFindingTest#testShouldReturnTitleOfPageIfSet.')
   options, args = parser.parse_args()
 
-  if (options.chromedriver_path is None or
-      not os.path.exists(options.chromedriver_path)):
-    parser.error('chromedriver_path is required or the given path is invalid.' +
+  if (options.chromedriver is None or not os.path.exists(options.chromedriver)):
+    parser.error('chromedriver is required or the given path is invalid.' +
                  'Please run "%s --help" for help' % __file__)
 
   # Run passed tests when filter is not provided.
   test_filter = options.filter
   if test_filter is None:
     passed_java_tests_file = open(
         os.path.join(_THIS_DIR, 'passed_java_tests.txt'))
     passed_java_tests = [line.strip('\n') for line in passed_java_tests_file]
     passed_java_tests_file.close()
     test_filter = ','.join(passed_java_tests)
 
   java_tests_src_dir = os.path.join(chrome_paths.GetSrc(), 'chrome', 'test',
                                     'chromedriver', 'third_party', 'java_tests')
   if (not os.path.exists(java_tests_src_dir) or
       not os.listdir(java_tests_src_dir)):
     print ('"%s" is empty or it doesn\'t exist.' % java_tests_src_dir +
            'Should add "deps/third_party/webdriver" to source checkout config')
     return 1;
 
   return PrintTestResults(_Run(
       src_dir=chrome_paths.GetSrc(),
       java_tests_src_dir=java_tests_src_dir,
       test_filter=test_filter,
-      chromedriver_path=options.chromedriver_path,
-      chrome_path=options.chrome_path))
+      chromedriver_path=options.chromedriver,
+      chrome_path=options.chrome))
 
 
 if __name__ == '__main__':
   sys.exit(main())