# Copyright 2014 Google Inc. All rights reserved.

#

# 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.

"""Shared testing utilities."""

from gcloud import _helpers

from gcloud._helpers import _DefaultsContainer

class _Monkey(object):

# context-manager for replacing module names in the scope of a test.

def __init__(self, module, **kw):

self.module = module

self.to_restore = dict([(key, getattr(module, key)) for key in kw])

for key, value in kw.items():

setattr(module, key, value)

def __enter__(self):

return self

def __exit__(self, exc_type, exc_val, exc_tb):

for key, value in self.to_restore.items():

setattr(self.module, key, value)

def _monkey_defaults(*args, **kwargs):

mock_defaults = _DefaultsContainer(*args, **kwargs)

return _Monkey(_helpers, _DEFAULTS=mock_defaults)

def _setup_defaults(test_case, *args, **kwargs):

test_case._replaced_defaults = _helpers._DEFAULTS

_helpers._DEFAULTS = _DefaultsContainer(*args, **kwargs)

def _tear_down_defaults(test_case):

_helpers._DEFAULTS = test_case._replaced_defaults