#   Copyright (c) 2008-2013 Szczepan Faber, Serhiy Oplakanets, Herr Kaste
#
#   Permission is hereby granted, free of charge, to any person obtaining a copy
#   of this software and associated documentation files (the "Software"), to deal
#   in the Software without restriction, including without limitation the rights
#   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#   copies of the Software, and to permit persons to whom the Software is
#   furnished to do so, subject to the following conditions:
#
#   The above copyright notice and this permission notice shall be included in
#   all copies or substantial portions of the Software.
#
#   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
#   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
#   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
#   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
#   THE SOFTWARE.

class MockRegistry:
  """Registers mock()s, ensures that we only have one mock() per mocked_obj, and
  iterates over them to unstub each stubbed method. """
  
  def __init__(self):
    self.mocks = {}
    
  def register(self, mock):
    self.mocks[mock.mocked_obj] = mock
        
  def mock_for(self, cls):
    return self.mocks.get(cls, None)
  
  def unstub_all(self):
    for mock in self.mocks.itervalues():    
      mock.unstub()
    self.mocks.clear()  

mock_registry = MockRegistry()