1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/renderer/accessibility/phrase_segmentation/dependency_parser_model.h"
#include <array>
#include <string>
#include "base/base_paths.h"
#include "base/files/file_path.h"
#include "base/files/scoped_temp_dir.h"
#include "base/path_service.h"
#include "base/test/metrics/histogram_tester.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
base::File CreateInvalidModelFile() {
base::ScopedTempDir temp_dir;
EXPECT_TRUE(temp_dir.CreateUniqueTempDir());
base::FilePath file_path =
temp_dir.GetPath().AppendASCII("model_file.tflite");
base::File file(file_path, (base::File::FLAG_CREATE | base::File::FLAG_READ |
base::File::FLAG_WRITE |
base::File::FLAG_CAN_DELETE_ON_CLOSE));
EXPECT_TRUE(UNSAFE_TODO(file.WriteAtCurrentPos("12345", 5)));
return file;
}
base::File GetValidModelFile() {
base::FilePath source_root_dir;
base::PathService::Get(base::DIR_SRC_TEST_DATA_ROOT, &source_root_dir);
base::FilePath model_file_path = source_root_dir.AppendASCII("chrome")
.AppendASCII("test")
.AppendASCII("data")
.AppendASCII("accessibility")
.AppendASCII("phrase_segmentation")
.AppendASCII("model.tflite");
base::File file(model_file_path,
(base::File::FLAG_OPEN | base::File::FLAG_READ));
return file;
}
std::unique_ptr<DependencyParserModel> GetValidDependencyParserModel() {
auto instance = std::make_unique<DependencyParserModel>();
if (!instance->IsAvailable()) {
base::File file = GetValidModelFile();
instance->UpdateWithFile(std::move(file));
}
EXPECT_TRUE(instance->IsAvailable());
return instance;
}
class DependencyParserModelTest : public testing::Test {
protected:
base::HistogramTester histogram_tester_;
};
TEST_F(DependencyParserModelTest, ModelUnavailable) {
DependencyParserModel dependency_parser_model;
EXPECT_FALSE(dependency_parser_model.IsAvailable());
}
TEST_F(DependencyParserModelTest, EmptyFileProvided) {
DependencyParserModel dependency_parser_model;
dependency_parser_model.UpdateWithFile(base::File());
EXPECT_FALSE(dependency_parser_model.IsAvailable());
histogram_tester_.ExpectUniqueSample(
"Accessibility.DependencyParserModel.DependencyParserModelState",
DependencyParserModelState::kModelFileInvalid, 1);
}
TEST_F(DependencyParserModelTest, UnsupportedModelFileProvided) {
base::File file = CreateInvalidModelFile();
DependencyParserModel dependency_parser_model;
dependency_parser_model.UpdateWithFile(std::move(file));
EXPECT_FALSE(dependency_parser_model.IsAvailable());
histogram_tester_.ExpectUniqueSample(
"Accessibility.DependencyParserModel.DependencyParserModelState",
DependencyParserModelState::kModelFileInvalid, 1);
histogram_tester_.ExpectUniqueSample(
"Accessibility.DependencyParserModel.InvalidModelFile", true, 1);
histogram_tester_.ExpectTotalCount(
"Accessibility.DependencyParserModel.Create.Duration", 0);
}
class DependencyParserModelValidTest : public DependencyParserModelTest {
public:
DependencyParserModelValidTest()
: dependency_parser_model_(GetValidDependencyParserModel()) {}
protected:
std::unique_ptr<DependencyParserModel> dependency_parser_model_;
};
TEST_F(DependencyParserModelValidTest, ValidModelFileProvided) {
histogram_tester_.ExpectUniqueSample(
"Accessibility.DependencyParserModel.DependencyParserModelState",
DependencyParserModelState::kModelAvailable, 1);
histogram_tester_.ExpectTotalCount(
"Accessibility.DependencyParserModel.InvalidModelFile", 0);
histogram_tester_.ExpectTotalCount(
"Accessibility.DependencyParserModel.Create.Duration", 1);
}
TEST_F(DependencyParserModelValidTest, GetDependencyHeads) {
// The dependency tree for the input string:
// # dessert(5)
// # children:
// # - cream(1)
// # children:
// # - ice(0)
// # - is(2)
// # - a(3)
// # - frozen(4)
// # - made(7)
// # children:
// # - typically(6)
// # - milk(9)
// # children:
// # - from(8)
// # - cream(11)
// # children:
// # - or(10)
static const auto input = std::to_array<std::string>(
{"Ice", "cream", "is", "a", "frozen", "dessert", "typically", "made",
"from", "milk", "or", "cream"});
auto prediction = dependency_parser_model_->GetDependencyHeads(input);
EXPECT_THAT(prediction,
::testing::ElementsAre(1, 5, 5, 5, 5, 5, 7, 5, 9, 7, 11, 9));
histogram_tester_.ExpectUniqueSample(
"Accessibility.DependencyParserModel.Inference.LengthInTokens",
input.size(), 1);
histogram_tester_.ExpectTotalCount(
"Accessibility.DependencyParserModel.Inference.Duration", 1);
histogram_tester_.ExpectUniqueSample(
"Accessibility.DependencyParserModel.Inference.Succeed", true, 1);
}
} // namespace
|
