xref: /aosp_15_r20/external/tensorflow/tensorflow/python/distribute/numpy_dataset_test.py (revision b6fb3261f9314811a0f4371741dbb8839866f948)
1# Copyright 2019 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 numpy_dataset."""
16
17import numpy as np
18
19from tensorflow.python.distribute import numpy_dataset
20from tensorflow.python.eager import test
21from tensorflow.python.framework import test_util
22from tensorflow.python.ops import variable_scope
23
24
25class InitVarFromNumpyTest(test.TestCase):
26
27  @test_util.run_in_graph_and_eager_modes
28  def test_creating_var_with_numpy_arrays(self):
29    with self.cached_session() as session:
30      x = np.asarray(np.random.random((64, 3)), dtype=np.float32)
31      initial = np.zeros_like(x)
32      var_x = variable_scope.variable(initial)
33      numpy_dataset.init_var_from_numpy(var_x, x, session)
34      val = self.evaluate(var_x.value())
35      # Verify that the numpy value is copied to the variable.
36      self.assertAllEqual(x, val)
37
38
39if __name__ == '__main__':
40  test.main()
41