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
16 #include "tensorflow_lite_support/codegen/code_generator.h"
17
18 #include <gmock/gmock.h>
19 #include <gtest/gtest.h>
20
21 namespace tflite {
22 namespace support {
23 namespace codegen {
24 namespace {
25
26 using ::testing::ElementsAreArray;
27
28 class CodeGeneratorTest : public ::testing::Test {
29 public:
30 class TestingCodeGenerator : public CodeGenerator {
31 public:
TestingCodeGenerator()32 explicit TestingCodeGenerator() : CodeGenerator() {}
33
34 // Make tested method public.
ConvertToValidName(const std::string & name)35 static std::string ConvertToValidName(const std::string& name) {
36 return CodeGenerator::ConvertToValidName(name);
37 }
ResolveConflictedInputAndOutputNames(std::vector<std::string> * input,std::vector<std::string> * output)38 static void ResolveConflictedInputAndOutputNames(
39 std::vector<std::string>* input, std::vector<std::string>* output) {
40 CodeGenerator::ResolveConflictedInputAndOutputNames(input, output);
41 }
42 };
43 };
44
TEST_F(CodeGeneratorTest,UpperCasesShouldLower)45 TEST_F(CodeGeneratorTest, UpperCasesShouldLower) {
46 EXPECT_THAT(TestingCodeGenerator::ConvertToValidName("AlphaBetCOOL"),
47 "alphabetcool");
48 }
49
TEST_F(CodeGeneratorTest,NonAlphaNumShouldReplace)50 TEST_F(CodeGeneratorTest, NonAlphaNumShouldReplace) {
51 EXPECT_THAT(TestingCodeGenerator::ConvertToValidName("A+=B C\t"), "a__b_c_");
52 }
53
TEST_F(CodeGeneratorTest,NoLeadingUnderscore)54 TEST_F(CodeGeneratorTest, NoLeadingUnderscore) {
55 EXPECT_THAT(TestingCodeGenerator::ConvertToValidName("+KAI Z"), "kai_z");
56 }
57
TEST_F(CodeGeneratorTest,NoLeadingNumbers)58 TEST_F(CodeGeneratorTest, NoLeadingNumbers) {
59 EXPECT_THAT(TestingCodeGenerator::ConvertToValidName("3000 Cool Tensors"),
60 "tensor_3000_cool_tensors");
61 }
62
TEST_F(CodeGeneratorTest,TestSimpleIONames)63 TEST_F(CodeGeneratorTest, TestSimpleIONames) {
64 std::vector<std::string> inputs = {"image"};
65 std::vector<std::string> outputs = {"output"};
66 TestingCodeGenerator::ResolveConflictedInputAndOutputNames(&inputs, &outputs);
67 EXPECT_THAT(inputs, ElementsAreArray({"image"}));
68 EXPECT_THAT(outputs, ElementsAreArray({"output"}));
69 }
70
TEST_F(CodeGeneratorTest,TestIOConflict)71 TEST_F(CodeGeneratorTest, TestIOConflict) {
72 std::vector<std::string> inputs = {"image"};
73 std::vector<std::string> outputs = {"image"};
74 TestingCodeGenerator::ResolveConflictedInputAndOutputNames(&inputs, &outputs);
75 EXPECT_THAT(inputs, ElementsAreArray({"input_image"}));
76 EXPECT_THAT(outputs, ElementsAreArray({"output_image"}));
77 }
78
TEST_F(CodeGeneratorTest,TestInternalConflict)79 TEST_F(CodeGeneratorTest, TestInternalConflict) {
80 std::vector<std::string> inputs = {"image", "image"};
81 std::vector<std::string> outputs = {"output"};
82 TestingCodeGenerator::ResolveConflictedInputAndOutputNames(&inputs, &outputs);
83 EXPECT_THAT(inputs, ElementsAreArray({"image1", "image2"}));
84 EXPECT_THAT(outputs, ElementsAreArray({"output"}));
85 }
86
TEST_F(CodeGeneratorTest,TestAllConflictNTo1)87 TEST_F(CodeGeneratorTest, TestAllConflictNTo1) {
88 std::vector<std::string> inputs = {"image", "image"};
89 std::vector<std::string> outputs = {"image"};
90 TestingCodeGenerator::ResolveConflictedInputAndOutputNames(&inputs, &outputs);
91 EXPECT_THAT(inputs, ElementsAreArray({"input_image1", "input_image2"}));
92 EXPECT_THAT(outputs, ElementsAreArray({"output_image"}));
93 }
94
TEST_F(CodeGeneratorTest,TestAllConflict)95 TEST_F(CodeGeneratorTest, TestAllConflict) {
96 std::vector<std::string> inputs = {"image", "audio", "image", "audio",
97 "audio"};
98 std::vector<std::string> outputs = {"image", "image", "audio", "feature",
99 "feature"};
100 TestingCodeGenerator::ResolveConflictedInputAndOutputNames(&inputs, &outputs);
101 EXPECT_THAT(inputs,
102 ElementsAreArray({"input_image1", "input_audio1", "input_image2",
103 "input_audio2", "input_audio3"}));
104 EXPECT_THAT(outputs,
105 ElementsAreArray({"output_image1", "output_image2",
106 "output_audio", "feature1", "feature2"}));
107 }
108
TEST_F(CodeGeneratorTest,TestAllConflictReversed)109 TEST_F(CodeGeneratorTest, TestAllConflictReversed) {
110 std::vector<std::string> inputs = {"image", "image", "audio", "feature",
111 "feature"};
112 std::vector<std::string> outputs = {"image", "audio", "image", "audio",
113 "audio"};
114 TestingCodeGenerator::ResolveConflictedInputAndOutputNames(&inputs, &outputs);
115 EXPECT_THAT(inputs,
116 ElementsAreArray({"input_image1", "input_image2", "input_audio",
117 "feature1", "feature2"}));
118 EXPECT_THAT(outputs, ElementsAreArray({"output_image1", "output_audio1",
119 "output_image2", "output_audio2",
120 "output_audio3"}));
121 }
122
123 } // namespace
124 } // namespace codegen
125 } // namespace support
126 } // namespace tflite
127