67 lines
2.3 KiB
Python
67 lines
2.3 KiB
Python
# Copyright 2019 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 functions used to extract and analyze stacks."""
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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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import traceback
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from tensorflow.python.platform import test
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from tensorflow.python.util import tf_stack
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class TFStackTest(test.TestCase):
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def testFormatStackSelfConsistency(self):
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# Both defined on the same line to produce identical stacks.
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stacks = tf_stack.extract_stack(), traceback.extract_stack()
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self.assertEqual(
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traceback.format_list(stacks[0]), traceback.format_list(stacks[1]))
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def testFrameSummaryEquality(self):
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frames1 = tf_stack.extract_stack()
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frames2 = tf_stack.extract_stack()
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self.assertNotEqual(frames1[0], frames1[1])
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self.assertEqual(frames1[0], frames1[0])
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self.assertEqual(frames1[0], frames2[0])
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def testFrameSummaryEqualityAndHash(self):
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# Both defined on the same line to produce identical stacks.
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frame1, frame2 = tf_stack.extract_stack(), tf_stack.extract_stack()
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self.assertEqual(len(frame1), len(frame2))
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for f1, f2 in zip(frame1, frame2):
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self.assertEqual(f1, f2)
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self.assertEqual(hash(f1), hash(f1))
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self.assertEqual(hash(f1), hash(f2))
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self.assertEqual(frame1, frame2)
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self.assertEqual(hash(tuple(frame1)), hash(tuple(frame2)))
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def testLastUserFrame(self):
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trace = tf_stack.extract_stack() # COMMENT
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frame = trace.last_user_frame()
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self.assertRegex(frame.line, "# COMMENT")
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def extract_stack(limit=None):
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# Both defined on the same line to produce identical stacks.
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return tf_stack.extract_stack(limit), traceback.extract_stack(limit)
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if __name__ == "__main__":
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test.main()
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