42b8511f63
Customizations are split into tf.distribute.*-specific and general TF. PiperOrigin-RevId: 257903643
87 lines
2.7 KiB
Python
87 lines
2.7 KiB
Python
# Copyright 2018 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 enabling and disabling TF2 behavior."""
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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 os
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from absl.testing import parameterized
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from tensorflow.python import tf2
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from tensorflow.python.framework import combinations
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from tensorflow.python.platform import test
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def set_environ():
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os.environ['TF2_BEHAVIOR'] = '1'
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def unset_environ():
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os.environ['TF2_BEHAVIOR'] = '0'
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class EnablingTF2Behavior(test.TestCase, parameterized.TestCase):
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def setUp(self):
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super(EnablingTF2Behavior, self).setUp()
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tf2._force_enable = None
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if 'TF2_BEHAVIOR' in os.environ:
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del os.environ['TF2_BEHAVIOR']
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actions = [tf2.enable, tf2.disable, set_environ, unset_environ]
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@combinations.generate(
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combinations.combine(
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action_0=actions, action_1=actions,
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action_2=actions, action_3=actions))
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def test_scenarios(self, action_0, action_1, action_2, action_3):
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def state(action, enabled, disabled):
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"""Returns bool tuple (tf2_enabled, force_enabled, force_disabled)."""
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if action is tf2.enable:
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return True, True, False
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elif action is tf2.disable:
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return False, False, True
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elif action is set_environ:
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return not disabled, enabled, disabled
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elif action is unset_environ:
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return enabled, enabled, disabled
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else:
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raise ValueError('Unexpected action {}. {} are supported'.format(
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action, EnablingTF2Behavior.actions))
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action_0()
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expected, enabled, disabled = state(action_0, False, False)
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self.assertEqual(tf2.enabled(), expected)
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action_1()
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expected, enabled, disabled = state(action_1, enabled, disabled)
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self.assertEqual(tf2.enabled(), expected)
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action_2()
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expected, enabled, disabled = state(action_2, enabled, disabled)
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self.assertEqual(tf2.enabled(), expected)
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action_3()
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expected, enabled, disabled = state(action_3, enabled, disabled)
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self.assertEqual(tf2.enabled(), expected)
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if __name__ == '__main__':
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test.main()
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