| # 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 the FilterDataset serialization.""" |
| from __future__ import absolute_import |
| from __future__ import division |
| from __future__ import print_function |
| |
| from tensorflow.python.data.experimental.kernel_tests.serialization import dataset_serialization_test_base |
| from tensorflow.python.data.ops import dataset_ops |
| from tensorflow.python.framework import sparse_tensor |
| from tensorflow.python.ops import math_ops |
| from tensorflow.python.platform import test |
| |
| |
| class FilterDatasetSerializationTest( |
| dataset_serialization_test_base.DatasetSerializationTestBase): |
| |
| def _build_filter_range_graph(self, div): |
| return dataset_ops.Dataset.range(100).filter( |
| lambda x: math_ops.not_equal(math_ops.mod(x, div), 2)) |
| |
| def testFilterCore(self): |
| div = 3 |
| num_outputs = sum(x % 3 != 2 for x in range(100)) |
| self.run_core_tests(lambda: self._build_filter_range_graph(div), |
| lambda: self._build_filter_range_graph(div * 2), |
| num_outputs) |
| |
| def _build_filter_dict_graph(self): |
| return dataset_ops.Dataset.range(10).map( |
| lambda x: {"foo": x * 2, "bar": x ** 2}).filter( |
| lambda d: math_ops.equal(d["bar"] % 2, 0)).map( |
| lambda d: d["foo"] + d["bar"]) |
| |
| def testFilterDictCore(self): |
| num_outputs = sum((x**2) % 2 == 0 for x in range(10)) |
| self.run_core_tests(self._build_filter_dict_graph, None, num_outputs) |
| |
| def _build_sparse_filter(self): |
| |
| def _map_fn(i): |
| return sparse_tensor.SparseTensor( |
| indices=[[0, 0]], values=(i * [1]), dense_shape=[1, 1]), i |
| |
| def _filter_fn(_, i): |
| return math_ops.equal(i % 2, 0) |
| |
| return dataset_ops.Dataset.range(10).map(_map_fn).filter(_filter_fn).map( |
| lambda x, i: x) |
| |
| def testSparseCore(self): |
| num_outputs = 5 |
| self.run_core_tests(self._build_sparse_filter, None, num_outputs) |
| |
| |
| if __name__ == "__main__": |
| test.main() |