80 lines
2.5 KiB
Python
80 lines
2.5 KiB
Python
# Copyright 2015 The TensorFlow Authors. All Rights Reserved.
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#
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# 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 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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# ==============================================================================
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"""Tests for Python module traversal."""
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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from tensorflow.python.platform import googletest
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from tensorflow.tools.common import test_module1
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from tensorflow.tools.common import test_module2
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from tensorflow.tools.common import traverse
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class TestVisitor(object):
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def __init__(self):
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self.call_log = []
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def __call__(self, path, parent, children):
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self.call_log += [(path, parent, children)]
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class TraverseTest(googletest.TestCase):
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def test_cycle(self):
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class Cyclist(object):
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pass
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Cyclist.cycle = Cyclist
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visitor = TestVisitor()
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traverse.traverse(Cyclist, visitor)
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# We simply want to make sure we terminate.
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def test_module(self):
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visitor = TestVisitor()
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traverse.traverse(test_module1, visitor)
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called = [parent for _, parent, _ in visitor.call_log]
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self.assertIn(test_module1.ModuleClass1, called)
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self.assertIn(test_module2.ModuleClass2, called)
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def test_class(self):
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visitor = TestVisitor()
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traverse.traverse(TestVisitor, visitor)
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self.assertEqual(TestVisitor,
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visitor.call_log[0][1])
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# There are a bunch of other members, but make sure that the ones we know
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# about are there.
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self.assertIn('__init__', [name for name, _ in visitor.call_log[0][2]])
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self.assertIn('__call__', [name for name, _ in visitor.call_log[0][2]])
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# There are more classes descended into, at least __class__ and
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# __class__.__base__, neither of which are interesting to us, and which may
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# change as part of Python version etc., so we don't test for them.
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def test_non_class(self):
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integer = 5
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visitor = TestVisitor()
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traverse.traverse(integer, visitor)
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self.assertEqual([], visitor.call_log)
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if __name__ == '__main__':
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googletest.main()
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