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
16 #include <vector>
17
18 #include "tensorflow/cc/client/client_session.h"
19 #include "tensorflow/cc/ops/standard_ops.h"
20 #include "tensorflow/core/framework/tensor_testutil.h"
21 #include "tensorflow/core/lib/core/status_test_util.h"
22 #include "tensorflow/core/lib/core/threadpool.h"
23 #include "tensorflow/core/platform/test.h"
24
25 namespace tensorflow {
26 namespace {
27
28 using ops::Add;
29 using ops::Const;
30 using ops::Mul;
31 using ops::Placeholder;
32 using ops::Sub;
33
TEST(ClientSessionTest,Basic)34 TEST(ClientSessionTest, Basic) {
35 Scope root = Scope::NewRootScope();
36 auto c = Const(root, {{1, 1}});
37 ClientSession session(root);
38 std::vector<Tensor> outputs;
39
40 TF_EXPECT_OK(session.Run({c}, &outputs));
41 test::ExpectTensorEqual<int>(outputs[0], test::AsTensor<int>({1, 1}, {1, 2}));
42 }
43
TEST(ClientSessionTest,Feed)44 TEST(ClientSessionTest, Feed) {
45 Scope root = Scope::NewRootScope();
46 auto a = Placeholder(root, DT_INT32);
47 auto b = Placeholder(root, DT_INT32);
48 auto c = Add(root, a, b);
49 ClientSession session(root);
50 std::vector<Tensor> outputs;
51
52 TF_EXPECT_OK(session.Run({{a, 1}, {b, 41}}, {c}, &outputs));
53 test::ExpectTensorEqual<int>(outputs[0], test::AsTensor<int>({42}, {}));
54 }
55
TEST(ClientSessionTest,Extend)56 TEST(ClientSessionTest, Extend) {
57 Scope root = Scope::NewRootScope();
58 auto a = Placeholder(root, DT_INT32, Placeholder::Shape({2}));
59 auto c = Add(root, a, {2, 2});
60 ClientSession session(root);
61 std::vector<Tensor> outputs;
62
63 TF_EXPECT_OK(session.Run({{a, {1, 1}}}, {c}, &outputs));
64 test::ExpectTensorEqual<int>(outputs[0], test::AsTensor<int>({3, 3}, {2}));
65
66 auto d = Add(root, c, {39, 39});
67 outputs.clear();
68 TF_EXPECT_OK(session.Run({{a, {-10, 1}}}, {d}, &outputs));
69 test::ExpectTensorEqual<int>(outputs[0], test::AsTensor<int>({31, 42}, {2}));
70 }
71
TEST(ClientSessionTest,MultiThreaded)72 TEST(ClientSessionTest, MultiThreaded) {
73 Scope root = Scope::NewRootScope();
74 auto a = Add(root, {1, 2}, {3, 4});
75 auto b = Mul(root, {1, 2}, {3, 4});
76 ClientSession session(root);
77 {
78 thread::ThreadPool thread_pool(Env::Default(), "pool", 2);
79 thread_pool.Schedule([&session, a]() {
80 std::vector<Tensor> outputs;
81 TF_EXPECT_OK(session.Run({a}, &outputs));
82 test::ExpectTensorEqual<int>(outputs[0],
83 test::AsTensor<int>({4, 6}, {2}));
84 });
85 thread_pool.Schedule([&session, b]() {
86 std::vector<Tensor> outputs;
87 TF_EXPECT_OK(session.Run({b}, &outputs));
88 test::ExpectTensorEqual<int>(outputs[0],
89 test::AsTensor<int>({3, 8}, {2}));
90 });
91 }
92 auto c = Sub(root, b, a);
93 std::vector<Tensor> outputs;
94 TF_EXPECT_OK(session.Run({c}, &outputs));
95 test::ExpectTensorEqual<int>(outputs[0], test::AsTensor<int>({-1, 2}, {2}));
96 }
97
TEST(ClientSessionTest,Callable)98 TEST(ClientSessionTest, Callable) {
99 Scope root = Scope::NewRootScope();
100 auto a = Placeholder(root, DT_INT32);
101 auto b = Placeholder(root, DT_INT32);
102 auto c = Add(root, a, b);
103 ClientSession session(root);
104 std::vector<Tensor> outputs;
105
106 CallableOptions options;
107 options.add_feed(a.node()->name());
108 options.add_feed(b.node()->name());
109 options.add_fetch(c.node()->name());
110 ClientSession::CallableHandle callable;
111 TF_CHECK_OK(session.MakeCallable(options, &callable));
112 TF_EXPECT_OK(session.RunCallable(
113 callable, {test::AsTensor<int>({1}, {}), test::AsTensor<int>({41}, {})},
114 &outputs, nullptr));
115 test::ExpectTensorEqual<int>(outputs[0], test::AsTensor<int>({42}, {}));
116 TF_EXPECT_OK(session.ReleaseCallable(callable));
117 }
118
119 } // namespace
120 } // namespace tensorflow
121