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1# Copyright 2016 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 ExampleParserConfiguration."""
16
17from __future__ import absolute_import
18from __future__ import division
19from __future__ import print_function
20
21from google.protobuf import text_format
22
23from tensorflow.core.example import example_parser_configuration_pb2
24from tensorflow.python.client import session
25from tensorflow.python.framework import dtypes
26from tensorflow.python.ops import array_ops
27from tensorflow.python.ops import parsing_ops
28from tensorflow.python.platform import test
29from tensorflow.python.util.example_parser_configuration import extract_example_parser_configuration
30
31EXPECTED_CONFIG_V1 = """
32feature_map {
33  key: "x"
34  value {
35    fixed_len_feature {
36      dtype: DT_FLOAT
37      shape {
38        dim {
39          size: 1
40        }
41      }
42      default_value {
43        dtype: DT_FLOAT
44        tensor_shape {
45          dim {
46            size: 1
47          }
48        }
49        float_val: 33.0
50      }
51      values_output_tensor_name: "ParseExample/ParseExample:3"
52    }
53  }
54}
55feature_map {
56  key: "y"
57  value {
58    var_len_feature {
59      dtype: DT_STRING
60      values_output_tensor_name: "ParseExample/ParseExample:1"
61      indices_output_tensor_name: "ParseExample/ParseExample:0"
62      shapes_output_tensor_name: "ParseExample/ParseExample:2"
63    }
64  }
65}
66"""
67
68
69EXPECTED_CONFIG_V2 = EXPECTED_CONFIG_V1.replace(
70    'ParseExample/ParseExample:', 'ParseExample/ParseExampleV2:')
71
72
73class ExampleParserConfigurationTest(test.TestCase):
74
75  def getExpectedConfig(self, op_type):
76    expected = example_parser_configuration_pb2.ExampleParserConfiguration()
77    if op_type == 'ParseExampleV2':
78      text_format.Parse(EXPECTED_CONFIG_V2, expected)
79    else:
80      text_format.Parse(EXPECTED_CONFIG_V1, expected)
81    return expected
82
83  def testBasic(self):
84    with session.Session() as sess:
85      examples = array_ops.placeholder(dtypes.string, shape=[1])
86      feature_to_type = {
87          'x': parsing_ops.FixedLenFeature([1], dtypes.float32, 33.0),
88          'y': parsing_ops.VarLenFeature(dtypes.string)
89      }
90      result = parsing_ops.parse_example(examples, feature_to_type)
91      parse_example_op = result['x'].op
92      config = extract_example_parser_configuration(parse_example_op, sess)
93      expected = self.getExpectedConfig(parse_example_op.type)
94      self.assertProtoEquals(expected, config)
95
96
97if __name__ == '__main__':
98  test.main()
99