# Copyright 2017 Google Inc. 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 dataset_metadata. """ from __future__ import absolute_import from __future__ import division from __future__ import print_function # GOOGLE-INITIALIZATION import tensorflow as tf from tensorflow_transform.tf_metadata import test_common from tensorflow_transform.tf_metadata import dataset_schema as sch from tensorflow_transform.tf_metadata import schema_utils import unittest class DatasetSchemaTest(unittest.TestCase): def test_feature_spec_unsupported_dtype(self): with self.assertRaisesRegexp(ValueError, 'invalid dtype'): sch.Schema({ 'fixed_float': sch.ColumnSchema( tf.float64, [], sch.FixedColumnRepresentation()) }) def test_manually_create_schema(self): schema = test_common.get_manually_created_schema() generated_feature_spec = schema_utils.schema_as_feature_spec( schema).feature_spec self.assertEqual(test_common.test_feature_spec, generated_feature_spec) def test_schema_equality(self): schema1 = sch.Schema(column_schemas={ 'fixed_int': sch.ColumnSchema( tf.int64, [2], sch.FixedColumnRepresentation()), 'var_float': sch.ColumnSchema( tf.float32, None, sch.ListColumnRepresentation()) }) schema2 = sch.Schema(column_schemas={ 'fixed_int': sch.ColumnSchema( tf.int64, [2], sch.FixedColumnRepresentation()), 'var_float': sch.ColumnSchema( tf.float32, None, sch.ListColumnRepresentation()) }) schema3 = sch.Schema(column_schemas={ 'fixed_int': sch.ColumnSchema( tf.int64, [2], sch.FixedColumnRepresentation()), 'var_float': sch.ColumnSchema( tf.string, None, sch.ListColumnRepresentation()) }) schema4 = sch.Schema(column_schemas={ 'fixed_int': sch.ColumnSchema( tf.int64, [2], sch.FixedColumnRepresentation()) }) self.assertEqual(schema1, schema2) self.assertNotEqual(schema1, schema3) self.assertNotEqual(schema1, schema4) if __name__ == '__main__': unittest.main()