#!/usr/bin/python
#
# 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.

"""Module defines the ModuleTestRunnerClass."""


import unittest


class ModuleTestRunner(object):
  """Responsible for executing all test cases in a list of modules."""

  def __init__(self, module_list=None, module_test_settings=None):
    self.modules = module_list or []
    self.settings = module_test_settings or {}

  def RunAllTests(self):
    """Executes all tests present in the list of modules."""
    runner = unittest.TextTestRunner()
    for module in self.modules:
      for setting, value in self.settings.iteritems():
        try:
          setattr(module, setting, value)
        except AttributeError:
          print '\nError running ' + str(setting)
      print '\nRunning all tests in module', module.__name__
      runner.run(unittest.defaultTestLoader.loadTestsFromModule(module))