85 lines
2.4 KiB
Python
85 lines
2.4 KiB
Python
# Copyright 2018 Red Hat
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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 __future__ import absolute_import
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import functools
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import inspect
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import unittest
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import typing # noqa
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import testtools
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from tobiko.common import _fixture
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SkipException = testtools.TestCase.skipException # type: typing.Type
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def skip(reason, *args, **kwargs):
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if args or kwargs:
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reason = reason.format(*args, **kwargs)
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raise SkipException(reason)
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def skip_if(reason, predicate, *args, **kwargs):
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return skip_if_match(reason, bool, predicate, *args, **kwargs)
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def skip_unless(reason, predicate, *args, **kwargs):
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return skip_if_match(reason, lambda x: bool(not x), predicate, *args,
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**kwargs)
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def skip_if_match(reason, match, predicate, *args, **kwargs):
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if not callable(predicate):
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args = (predicate,) + args
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predicate = bool
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def decorator(obj):
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method = _get_decorated_method(obj)
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@functools.wraps(method)
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def wrapped_method(*_args, **_kwargs):
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return_value = predicate(*args, **kwargs)
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if match(return_value):
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if '{return_value' in reason:
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skip(reason, return_value=return_value)
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else:
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skip(reason)
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return method(*_args, **_kwargs)
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if obj is method:
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return wrapped_method
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else:
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setattr(obj, method.__name__, wrapped_method)
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return obj
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return decorator
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def _get_decorated_method(obj):
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if inspect.isclass(obj):
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if issubclass(obj, (unittest.TestCase, testtools.TestCase)):
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return obj.setUp
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elif _fixture.is_fixture(obj):
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return obj.setUp
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else:
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raise TypeError("Cannot decorate class {!r}".format(obj))
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else:
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if callable(obj):
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return obj
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else:
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raise TypeError("Cannot decorate object {!r}".format(obj))
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