91 lines
3.0 KiB
Python
91 lines
3.0 KiB
Python
# Copyright 2017 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 exceptions module."""
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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.autograph.operators import exceptions
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from tensorflow.python.framework import constant_op
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from tensorflow.python.framework import errors_impl
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from tensorflow.python.framework import test_util
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from tensorflow.python.platform import test
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class ExceptionsTest(test.TestCase):
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def test_assert_tf_untriggered(self):
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with self.cached_session() as sess:
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t = exceptions.assert_stmt(
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constant_op.constant(True), lambda: constant_op.constant('ignored'))
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self.evaluate(t)
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@test_util.run_deprecated_v1
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def test_assert_tf_triggered(self):
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with self.cached_session() as sess:
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t = exceptions.assert_stmt(
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constant_op.constant(False),
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lambda: constant_op.constant('test message'))
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with self.assertRaisesRegexp(errors_impl.InvalidArgumentError,
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'test message'):
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self.evaluate(t)
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@test_util.run_deprecated_v1
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def test_assert_tf_multiple_printed_values(self):
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two_tensors = [
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constant_op.constant('test message'),
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constant_op.constant('another message')
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]
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with self.cached_session() as sess:
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t = exceptions.assert_stmt(
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constant_op.constant(False), lambda: two_tensors)
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with self.assertRaisesRegexp(errors_impl.InvalidArgumentError,
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'test message.*another message'):
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self.evaluate(t)
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def test_assert_python_untriggered(self):
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side_effect_trace = []
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def expression_with_side_effects():
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side_effect_trace.append(object())
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return 'test message'
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exceptions.assert_stmt(True, expression_with_side_effects)
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self.assertListEqual(side_effect_trace, [])
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def test_assert_python_triggered(self):
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if not __debug__:
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# Python assertions only be tested when in debug mode.
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return
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side_effect_trace = []
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tracer = object()
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def expression_with_side_effects():
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side_effect_trace.append(tracer)
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return 'test message'
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with self.assertRaisesRegexp(AssertionError, 'test message'):
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exceptions.assert_stmt(False, expression_with_side_effects)
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self.assertListEqual(side_effect_trace, [tracer])
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if __name__ == '__main__':
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test.main()
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