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1# Copyright 2019 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 VariableSpec."""
16
17from __future__ import absolute_import
18from __future__ import division
19from __future__ import print_function
20
21from tensorflow.python.framework import constant_op
22from tensorflow.python.framework import dtypes
23from tensorflow.python.framework import tensor_shape
24from tensorflow.python.ops import resource_variable_ops
25from tensorflow.python.platform import test
26
27VariableSpec = resource_variable_ops.VariableSpec
28
29
30class VariableSpecTest(test.TestCase):
31
32  def test_properties(self):
33    spec = VariableSpec(shape=(1, 2, 3), dtype=dtypes.float64, name='vs')
34    self.assertEqual('vs', spec.name)
35    self.assertEqual(tensor_shape.TensorShape((1, 2, 3)), spec.shape)
36    self.assertEqual(dtypes.float64, spec.dtype)
37
38  def test_compatibility(self):
39    spec = VariableSpec(shape=None)
40    spec2 = VariableSpec(shape=[None, 15])
41    spec3 = VariableSpec(shape=[None])
42
43    self.assertTrue(spec.is_compatible_with(spec2))
44    self.assertFalse(spec2.is_compatible_with(spec3))
45
46    var = resource_variable_ops.UninitializedVariable(
47        shape=[3, 15], dtype=dtypes.float32)
48    var2 = resource_variable_ops.UninitializedVariable(
49        shape=[3], dtype=dtypes.int32)
50
51    self.assertTrue(spec2.is_compatible_with(var))
52    self.assertFalse(spec3.is_compatible_with(var2))
53
54    spec4 = VariableSpec(shape=None, dtype=dtypes.int32)
55    spec5 = VariableSpec(shape=[None], dtype=dtypes.int32)
56
57    self.assertFalse(spec.is_compatible_with(spec4))
58    self.assertTrue(spec4.is_compatible_with(spec5))
59    self.assertTrue(spec4.is_compatible_with(var2))
60
61    tensor = constant_op.constant([1, 2, 3])
62    self.assertFalse(spec4.is_compatible_with(tensor))
63
64
65if __name__ == '__main__':
66  test.main()
67