1/* Copyright 2016 The TensorFlow Authors. All Rights Reserved.
2
3Licensed under the Apache License, Version 2.0 (the "License");
4you may not use this file except in compliance with the License.
5You may obtain a copy of the License at
6
7    http://www.apache.org/licenses/LICENSE-2.0
8
9Unless required by applicable law or agreed to in writing, software
10distributed under the License is distributed on an "AS IS" BASIS,
11WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12See the License for the specific language governing permissions and
13limitations under the License.
14==============================================================================*/
15
16package org.tensorflow;
17
18import static org.junit.Assert.assertTrue;
19import static org.junit.Assert.fail;
20
21import org.junit.Test;
22import org.junit.runner.RunWith;
23import org.junit.runners.JUnit4;
24
25/** Unit tests for {@link org.tensorflow.TensorFlow}. */
26@RunWith(JUnit4.class)
27public class TensorFlowTest {
28  @Test
29  public void version() {
30    assertTrue(TensorFlow.version().length() > 0);
31  }
32
33  @Test
34  public void registeredOpList() {
35    // Would be nice to actually parse the output as a tensorflow.OpList protocol buffer message,
36    // but as of May 2017, bazel support for generating Java code from protocol buffer definitions
37    // was not sorted out. Revisit? Till then, at least exercise the code.
38    assertTrue(TensorFlow.registeredOpList().length > 0);
39  }
40
41  @Test
42  public void loadLibrary() {
43    // TODO(ashankar): This tell will fail when built with --config=monolithic.
44    // Figure out how we can ignore the test in that case.
45    try (Graph g = new Graph()) {
46      // Build a graph with an unrecognized operation.
47      try {
48        g.opBuilder("MyTest", "MyTest").build();
49        fail("should not be able to construct graphs with unregistered ops");
50      } catch (IllegalArgumentException e) {
51        // expected exception
52      }
53
54      // Load the library containing the operation.
55      byte[] opList = TensorFlow.loadLibrary("tensorflow/java/my_test_op.so");
56      assertTrue(opList.length > 0);
57
58      // Now graph building should succeed.
59      g.opBuilder("MyTest", "MyTest").build();
60    }
61  }
62}
63