mirror of
https://github.com/saymrwulf/cryptography.git
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63 lines
1.9 KiB
Python
63 lines
1.9 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import abc
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import pytest
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import six
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from cryptography.utils import InterfaceNotImplemented, verify_interface
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class TestVerifyInterface(object):
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def test_verify_missing_method(self):
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@six.add_metaclass(abc.ABCMeta)
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class SimpleInterface(object):
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@abc.abstractmethod
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def method(self):
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"""A simple method"""
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class NonImplementer(object):
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pass
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with pytest.raises(InterfaceNotImplemented):
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verify_interface(SimpleInterface, NonImplementer)
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def test_different_arguments(self):
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@six.add_metaclass(abc.ABCMeta)
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class SimpleInterface(object):
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@abc.abstractmethod
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def method(self, a):
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"""Method with one argument"""
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class NonImplementer(object):
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def method(self):
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"""Method with no arguments"""
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with pytest.raises(InterfaceNotImplemented):
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verify_interface(SimpleInterface, NonImplementer)
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def test_handles_abstract_property(self):
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@six.add_metaclass(abc.ABCMeta)
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class SimpleInterface(object):
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@abc.abstractproperty
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def property(self):
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"""An abstract property"""
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class NonImplementer(object):
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@property
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def property(self):
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"""A concrete property"""
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verify_interface(SimpleInterface, NonImplementer)
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