1# Copyright 2018 The TensorFlow Authors. All Rights Reserved. 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14# ============================================================================== 15"""Tests for forward and backwards compatibility utilties.""" 16 17from __future__ import absolute_import 18from __future__ import division 19from __future__ import print_function 20 21from tensorflow.python.compat import v2_compat 22from tensorflow.python.framework import constant_op 23from tensorflow.python.framework import ops 24from tensorflow.python.platform import test 25 26 27class DisableV2BehaviorTest(test.TestCase): 28 29 def test_basic(self): 30 t = constant_op.constant([1, 2, 3]) # creates a hidden context 31 self.assertTrue(isinstance(t, ops.EagerTensor)) 32 v2_compat.disable_v2_behavior() 33 t = constant_op.constant([1, 2, 3]) 34 self.assertFalse(isinstance(t, ops.EagerTensor)) 35 36 37if __name__ == '__main__': 38 v2_compat.enable_v2_behavior() 39 test.main() 40