43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
# 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 karbor.tests import base
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from karbor import utils
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class WalkClassHierarchyTestCase(base.TestCase):
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def test_walk_class_hierarchy(self):
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class A(object):
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pass
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class B(A):
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pass
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class C(A):
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pass
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class D(B):
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pass
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class E(A):
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pass
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class_pairs = zip((D, B, E),
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utils.walk_class_hierarchy(A, encountered=[C]))
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for actual, expected in class_pairs:
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self.assertEqual(expected, actual)
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class_pairs = zip((D, B, C, E), utils.walk_class_hierarchy(A))
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for actual, expected in class_pairs:
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self.assertEqual(expected, actual)
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