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1# Copyright 2017 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 misc module."""
16
17from __future__ import absolute_import
18from __future__ import division
19from __future__ import print_function
20
21from tensorflow.python.autograph.utils import misc
22from tensorflow.python.framework import test_util
23from tensorflow.python.framework.constant_op import constant
24from tensorflow.python.ops.variables import Variable
25from tensorflow.python.platform import test
26
27
28class MiscTest(test.TestCase):
29
30  def test_capitalize_initial(self):
31    self.assertEqual('', misc.capitalize_initial(''))
32    self.assertEqual('A', misc.capitalize_initial('A'))
33    self.assertEqual('Ab', misc.capitalize_initial('Ab'))
34    self.assertEqual('AbC', misc.capitalize_initial('AbC'))
35    self.assertEqual('A', misc.capitalize_initial('a'))
36    self.assertEqual('Ab', misc.capitalize_initial('ab'))
37    self.assertEqual('AbC', misc.capitalize_initial('abC'))
38
39  @test_util.run_deprecated_v1
40  def test_alias_single_tensor(self):
41    a = constant(1)
42
43    new_a = misc.alias_tensors(a)
44    self.assertFalse(new_a is a)
45    with self.cached_session() as sess:
46      self.assertEqual(1, self.evaluate(new_a))
47
48  @test_util.run_deprecated_v1
49  def test_alias_tensors(self):
50    a = constant(1)
51    v = Variable(2)
52    s = 'a'
53    l = [1, 2, 3]
54
55    new_a, new_v, new_s, new_l = misc.alias_tensors(a, v, s, l)
56
57    self.assertFalse(new_a is a)
58    self.assertTrue(new_v is v)
59    self.assertTrue(new_s is s)
60    self.assertTrue(new_l is l)
61    with self.cached_session() as sess:
62      self.assertEqual(1, self.evaluate(new_a))
63
64
65if __name__ == '__main__':
66  test.main()
67