1 /* Copyright 2017 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 "tensorflow/examples/speech_commands/recognize_commands.h"
17
18 #include "tensorflow/core/framework/tensor_testutil.h"
19 #include "tensorflow/core/lib/core/status_test_util.h"
20 #include "tensorflow/core/platform/env.h"
21 #include "tensorflow/core/platform/test.h"
22
23 namespace tensorflow {
24
TEST(RecognizeCommandsTest,Basic)25 TEST(RecognizeCommandsTest, Basic) {
26 RecognizeCommands recognize_commands({"_silence_", "a", "b"});
27
28 Tensor results(DT_FLOAT, {3});
29 test::FillValues<float>(&results, {1.0f, 0.0f, 0.0f});
30
31 string found_command;
32 float score;
33 bool is_new_command;
34 TF_EXPECT_OK(recognize_commands.ProcessLatestResults(
35 results, 0, &found_command, &score, &is_new_command));
36 }
37
TEST(RecognizeCommandsTest,FindCommands)38 TEST(RecognizeCommandsTest, FindCommands) {
39 RecognizeCommands recognize_commands({"_silence_", "a", "b"}, 1000, 0.2f);
40
41 Tensor results(DT_FLOAT, {3});
42
43 test::FillValues<float>(&results, {0.0f, 1.0f, 0.0f});
44 bool has_found_new_command = false;
45 string new_command;
46 for (int i = 0; i < 10; ++i) {
47 string found_command;
48 float score;
49 bool is_new_command;
50 int64_t current_time_ms = 0 + (i * 100);
51 TF_EXPECT_OK(recognize_commands.ProcessLatestResults(
52 results, current_time_ms, &found_command, &score, &is_new_command));
53 if (is_new_command) {
54 EXPECT_FALSE(has_found_new_command);
55 has_found_new_command = true;
56 new_command = found_command;
57 }
58 }
59 EXPECT_TRUE(has_found_new_command);
60 EXPECT_EQ("a", new_command);
61
62 test::FillValues<float>(&results, {0.0f, 0.0f, 1.0f});
63 has_found_new_command = false;
64 new_command = "";
65 for (int i = 0; i < 10; ++i) {
66 string found_command;
67 float score;
68 bool is_new_command;
69 int64_t current_time_ms = 1000 + (i * 100);
70 TF_EXPECT_OK(recognize_commands.ProcessLatestResults(
71 results, current_time_ms, &found_command, &score, &is_new_command));
72 if (is_new_command) {
73 EXPECT_FALSE(has_found_new_command);
74 has_found_new_command = true;
75 new_command = found_command;
76 }
77 }
78 EXPECT_TRUE(has_found_new_command);
79 EXPECT_EQ("b", new_command);
80 }
81
TEST(RecognizeCommandsTest,BadInputLength)82 TEST(RecognizeCommandsTest, BadInputLength) {
83 RecognizeCommands recognize_commands({"_silence_", "a", "b"}, 1000, 0.2f);
84
85 Tensor bad_results(DT_FLOAT, {2});
86 test::FillValues<float>(&bad_results, {1.0f, 0.0f});
87
88 string found_command;
89 float score;
90 bool is_new_command;
91 EXPECT_FALSE(recognize_commands
92 .ProcessLatestResults(bad_results, 0, &found_command, &score,
93 &is_new_command)
94 .ok());
95 }
96
TEST(RecognizeCommandsTest,BadInputTimes)97 TEST(RecognizeCommandsTest, BadInputTimes) {
98 RecognizeCommands recognize_commands({"_silence_", "a", "b"}, 1000, 0.2f);
99
100 Tensor results(DT_FLOAT, {3});
101 test::FillValues<float>(&results, {1.0f, 0.0f, 0.0f});
102
103 string found_command;
104 float score;
105 bool is_new_command;
106 TF_EXPECT_OK(recognize_commands.ProcessLatestResults(
107 results, 100, &found_command, &score, &is_new_command));
108 EXPECT_FALSE(recognize_commands
109 .ProcessLatestResults(results, 0, &found_command, &score,
110 &is_new_command)
111 .ok());
112 }
113
114 } // namespace tensorflow
115