text: # Copyright 2017 The TensorFlow Authors. All Rights Reserved.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  # ==============================================================================
  """Tests for naming module."""
  
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  
  from tensorflow.contrib.autograph.core import naming
  from tensorflow.python.platform import test
  
  
  class NamerTest(test.TestCase):
  
    def test_compiled_function_name_tracks_names(self):
      def bar():
        pass
  
      namer = naming.Namer({}, True, None, ())
      self.assertEqual(('tf__foo', True), namer.compiled_function_name('foo'))
      self.assertEqual(('tf__bar', True), namer.compiled_function_name(
          'bar', bar))
      self.assertEqual({bar: 'tf__bar'}, namer.renamed_calls)
      self.assertItemsEqual(('tf__bar', 'tf__foo'), namer.generated_names)
  
    def test_compiled_function_name_consistent(self):
      def foo():
        pass
  
      namer = naming.Namer({}, True, None, ())
      self.assertEqual(('tf__foo', True), namer.compiled_function_name(
          'foo', foo))
      self.assertEqual(('tf__foo', True), namer.compiled_function_name(
          'foo', foo))
  
    def test_compiled_function_name_avoids_global_conflicts(self):
      def foo():
        pass
  
      namer = naming.Namer({'tf__foo': 1}, True, None, ())
      self.assertEqual(('tf__foo_1', True),
                       namer.compiled_function_name('foo', foo))
  
    def test_new_symbol_tracks_names(self):
      namer = naming.Namer({}, True, None, ())
      self.assertEqual('temp', namer.new_symbol('temp', set()))
      self.assertItemsEqual(('temp',), namer.generated_names)
  
    def test_new_symbol_avoids_duplicates(self):
      namer = naming.Namer({}, True, None, ())
      self.assertEqual('temp', namer.new_symbol('temp', set()))
      self.assertEqual('temp_1', namer.new_symbol('temp', set()))
      self.assertItemsEqual(('temp', 'temp_1'), namer.generated_names)
  
    def test_new_symbol_avoids_conflicts(self):
      namer = naming.Namer({'temp': 1}, True, None, ())
      # temp is reserved in the global namespace
      self.assertEqual('temp_1', namer.new_symbol('temp', set()))
      # temp_2 is reserved in the local namespace
      self.assertEqual('temp_3', namer.new_symbol('temp', set(('temp_2',))))
      self.assertItemsEqual(('temp_1', 'temp_3'), namer.generated_names)
  
  
  if __name__ == '__main__':
    test.main()
  