text: # Copyright 2014 Google Inc.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import argparse
  import sys
  import unittest
  
  import bigquery
  import bigtable
  import datastore
  import language
  import logging_
  import monitoring
  import pubsub
  import storage
  import system_test_utils
  import translate
  
  
  TEST_MODULES = {
      'datastore': datastore,
      'storage': storage,
      'pubsub': pubsub,
      'bigquery': bigquery,
      'bigtable': bigtable,
      'language': language,
      'logging': logging_,
      'monitoring': monitoring,
      'translate': translate,
  }
  
  
  class FailedSystemTestModule(Exception):
      pass
  
  
  def get_parser():
      parser = argparse.ArgumentParser(
          description='google-cloud test runner against actual project.')
      parser.add_argument('--package', dest='package',
                          choices=TEST_MODULES.keys(),
                          default='datastore', help='Package to be tested.')
      parser.add_argument(
          '--ignore-requirements',
          dest='ignore_requirements', action='store_true',
          help='Ignore the credentials requirement for the test.')
      return parser
  
  
  def run_module_tests(module_name, ignore_requirements=False):
      if not ignore_requirements:
          # Make sure environ is set before running test.
          system_test_utils.check_environ()
  
      suite = unittest.TestSuite()
      test_mod = TEST_MODULES[module_name]
      tests = unittest.defaultTestLoader.loadTestsFromModule(test_mod)
      suite.addTest(tests)
  
      # Run tests.
      test_result = unittest.TextTestRunner(verbosity=2).run(suite)
      # Exit if not successful.
      if not test_result.wasSuccessful():
          raise FailedSystemTestModule(module_name)
  
  
  def main():
      parser = get_parser()
      args = parser.parse_args()
      try:
          run_module_tests(args.package,
                           ignore_requirements=args.ignore_requirements)
      except FailedSystemTestModule:
          sys.exit(1)
  
  
  if __name__ == '__main__':
      main()
  