remoting/tools/run_webapp_unittests.py

   1 #!/usr/bin/env python
   2 # Copyright 2014 The Chromium Authors. All rights reserved.
   3 # Use of this source code is governed by a BSD-style license that can be
   4 # found in the LICENSE file.
   5
   6 """Launches the remoting webapp unit tests in chrome with the appropriate flags.
   7 """
   8
   9 import argparse
  10 import os
  11 import platform
  12 import sys
  13 import tempfile
  14 import urllib
  15
  16 def GetChromePath():
  17   """Locates the chrome binary on the system."""
  18   chrome_path = ''
  19   if platform.system() == 'Darwin': # Darwin == MacOSX
  20     chrome_path = (
  21       '/Applications/Google Chrome.app/Contents/MacOS/Google Chrome')
  22   elif platform.system() == 'Linux':
  23     chrome_path = '/usr/bin/google-chrome'
  24   else:
  25     # TODO(kelvinp): Support chrome path location on Windows.
  26     print 'Unsupported OS.'
  27   return chrome_path
  28
  29
  30 def BuildTestPageUri(opt_module=None, opt_coverage=False):
  31   """Builds the Uri for the test page with params."""
  32   script_path = os.path.dirname(__file__)
  33
  34   test_page_path = os.path.join(script_path,
  35       '../../out/Debug/remoting/unittests/unittests.html')
  36   test_page_path = 'file://' + os.path.abspath(test_page_path)
  37
  38   test_page_params = {}
  39   if opt_coverage:
  40     test_page_params['coverage'] = 'true'
  41   if opt_module:
  42     test_page_params['module'] = opt_module
  43   if test_page_params:
  44     test_page_path = test_page_path + '?%s' % urllib.urlencode(test_page_params)
  45   return '"' + test_page_path + '"'
  46
  47
  48 def BuildCommandLine(chrome_path, opt_module, opt_coverage):
  49   """Builds the command line to execute."""
  50   command = []
  51   command.append('"' + chrome_path + '"')
  52   command.append('--user-data-dir=' + tempfile.gettempdir())
  53   # The flag |--allow-file-access-from-files| is required so that we can open
  54   # JavaScript files using XHR and instrument them for code coverage.
  55   command.append(' --allow-file-access-from-files')
  56   test_page_path = BuildTestPageUri(opt_module, opt_coverage)
  57   command.append(test_page_path)
  58   return ' '.join(command)
  59
  60
  61 def ParseArgs():
  62   parser = argparse.ArgumentParser()
  63   chrome_path = GetChromePath()
  64
  65   parser.add_argument(
  66     '--chrome-path',
  67     help='The path of the chrome binary to run the test.',
  68     default=chrome_path)
  69   parser.add_argument(
  70     '--module', help='only run tests that belongs to MODULE')
  71   parser.add_argument(
  72     '--coverage', help='run the test with code coverage', action='store_true')
  73
  74   return parser.parse_args(sys.argv[1:])
  75
  76
  77 def main():
  78   args = ParseArgs()
  79   command_line = ""
  80
  81   if not os.path.exists(args.chrome_path):
  82     print 'Cannot locate the chrome binary in your system.'
  83     print 'Please use the flag --chrome_path=CHROME_PATH to specify the chrome '
  84     print 'binary to run the test.'
  85     return 1
  86
  87   command_line = BuildCommandLine(args.chrome_path, args.module, args.coverage)
  88   os.system(command_line)
  89   return 0
  90
  91
  92 if __name__ == '__main__':
  93   sys.exit(main())