63 lines
2.2 KiB
Python
63 lines
2.2 KiB
Python
# Copyright 2013 IBM Corp.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from unittest import mock
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from oslotest import base
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class TestCase(base.BaseTestCase):
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def patch(self, target, *args, **kwargs):
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"""Returns a started `mock.patch` object for the supplied target.
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The caller may then call the returned patcher to create a mock object.
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The caller does not need to call stop() on the returned
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patcher object, as this method automatically adds a cleanup
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to the test class to stop the patcher.
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:param target: string module.class or module.object expression to patch
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:param *args: passed as-is to `mock.patch`.
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:param **kwargs: passed as-is to `mock.patch`.
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See mock documentation for more details:
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https://docs.python.org/3.5/library/unittest.mock.html#unittest.mock.patch
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"""
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p = mock.patch(target, *args, **kwargs)
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m = p.start()
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self.addCleanup(p.stop)
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return m
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def patchobject(self, target, attribute, *args, **kwargs):
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"""Convenient wrapper around `mock.patch.object`
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Returns a started mock that will be automatically stopped after the
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test ran.
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:param target: object to have the attribute patched
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:param attribute: name of the attribute to be patched
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:param *args: passed as-is to `mock.patch.object`.
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:param **kwargs: passed as-is to `mock.patch.object`.
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See mock documentation for more details:
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https://docs.python.org/3.5/library/unittest.mock.html#unittest.mock.patch.object
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"""
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p = mock.patch.object(target, attribute, *args, **kwargs)
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m = p.start()
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self.addCleanup(p.stop)
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return m
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