OpenStack Study: mockpatch.py

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# Copyright 2010 United States Government as represented by the

# Administrator of the National Aeronautics and Space Administration.

# Copyright 2013 Hewlett-Packard Development Company, L.P.

# 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.

import fixtures

import mock

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class PatchObject(fixtures.Fixture):

"""Deal with code around mock."""

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    def __init__(self, obj, attr, new=mock.DEFAULT, **kwargs):

        self.obj = obj

        self.attr = attr

        self.kwargs = kwargs

        self.new = new

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    def setUp(self):

        super(PatchObject, self).setUp()

        _p = mock.patch.object(self.obj, self.attr, self.new, **self.kwargs)

        self.mock = _p.start()

        self.addCleanup(_p.stop)

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class Patch(fixtures.Fixture):

"""Deal with code around mock.patch."""

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    def __init__(self, obj, new=mock.DEFAULT, **kwargs):

        self.obj = obj

        self.kwargs = kwargs

        self.new = new

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    def setUp(self):

        super(Patch, self).setUp()

        _p = mock.patch(self.obj, self.new, **self.kwargs)

        self.mock = _p.start()

        self.addCleanup(_p.stop)