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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
// 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 "third_party/blink/public/common/mediastream/media_stream_mojom_traits.h"
#include <array>
#include <string>
#include "base/base64.h"
#include "base/rand_util.h"
#include "media/audio/audio_device_description.h"
#include "mojo/public/cpp/test_support/test_utils.h"
#include "testing/gmock/include/gmock/gmock-matchers.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/mediastream/media_stream_controls.h"
#include "third_party/blink/public/mojom/mediastream/media_stream.mojom.h"
namespace {
std::string GetRandomDeviceId() {
return base::ToLowerASCII(base::HexEncode(base::RandBytesAsVector(32)));
}
std::string GetRandomOtherId() {
// A valid UTF-8 string, but not a valid 32-byte value encoded as hex.
static constexpr std::array<char, 94> kLetters{
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz"
"01234567890"
"`~!@#$%^&*()_-=+[]{}\\|<>,./?'\""};
// The generated string should be kMaxDeviceIdSize bytes long, from
// //third_party/blink/common/mediastream/media_stream_mojom_traits.cc,
// so that adding a letter to it makes it too long.
std::vector<char> result(500);
for (char& c : result) {
c = kLetters[base::RandInt(
0, (kLetters.size() * sizeof(decltype(kLetters)::value_type)) - 1)];
}
return std::string(result.begin(), result.end());
}
} // namespace
TEST(MediaStreamMojomTraitsTest,
TrackControlsSerialization_DeviceCaptureStreamTypes) {
for (const auto& device_stream_type :
{blink::mojom::MediaStreamType::DEVICE_AUDIO_CAPTURE,
blink::mojom::MediaStreamType::DEVICE_VIDEO_CAPTURE}) {
blink::TrackControls input;
input.stream_type = device_stream_type;
input.device_ids = {
media::AudioDeviceDescription::kDefaultDeviceId,
media::AudioDeviceDescription::kCommunicationsDeviceId,
GetRandomDeviceId(),
GetRandomDeviceId(),
GetRandomDeviceId(),
};
blink::TrackControls output;
EXPECT_TRUE(
mojo::test::SerializeAndDeserialize<blink::mojom::TrackControls>(
input, output));
EXPECT_EQ(output.stream_type, input.stream_type);
EXPECT_EQ(output.device_ids, input.device_ids);
// Too short
{
auto failing_input = input;
failing_input.device_ids.push_back(
base::ToLowerASCII(base::HexEncode(base::RandBytesAsVector(31))));
EXPECT_FALSE(
mojo::test::SerializeAndDeserialize<blink::mojom::TrackControls>(
failing_input, output));
}
// Too long
{
auto failing_input = input;
failing_input.device_ids.push_back(
base::ToLowerASCII(base::HexEncode(base::RandBytesAsVector(33))));
EXPECT_FALSE(
mojo::test::SerializeAndDeserialize<blink::mojom::TrackControls>(
failing_input, output));
}
// Invalid characters
{
auto failing_input = input;
auto id =
base::ToLowerASCII(base::HexEncode(base::RandBytesAsVector(31)));
id += "&*";
failing_input.device_ids.push_back(id);
EXPECT_FALSE(
mojo::test::SerializeAndDeserialize<blink::mojom::TrackControls>(
failing_input, output));
}
// Uppercase
{
auto failing_input = input;
failing_input.device_ids.push_back(
base::HexEncode(base::RandBytesAsVector(32)));
EXPECT_FALSE(
mojo::test::SerializeAndDeserialize<blink::mojom::TrackControls>(
failing_input, output));
}
// Too many ids
{
blink::TrackControls big_input;
for (size_t i = 0; i < 100; ++i) {
big_input.device_ids.push_back(GetRandomDeviceId());
}
EXPECT_TRUE(
mojo::test::SerializeAndDeserialize<blink::mojom::TrackControls>(
big_input, output));
EXPECT_EQ(output.device_ids, big_input.device_ids);
big_input.device_ids.push_back(GetRandomDeviceId());
EXPECT_FALSE(
mojo::test::SerializeAndDeserialize<blink::mojom::TrackControls>(
big_input, output));
}
}
}
TEST(MediaStreamMojomTraitsTest, TrackControlsSerialization_OtherStreamTypes) {
for (const auto& other_stream_type : {
blink::mojom::MediaStreamType::NO_SERVICE,
blink::mojom::MediaStreamType::GUM_TAB_AUDIO_CAPTURE,
blink::mojom::MediaStreamType::GUM_TAB_VIDEO_CAPTURE,
blink::mojom::MediaStreamType::GUM_DESKTOP_AUDIO_CAPTURE,
blink::mojom::MediaStreamType::GUM_DESKTOP_VIDEO_CAPTURE,
blink::mojom::MediaStreamType::DISPLAY_AUDIO_CAPTURE,
blink::mojom::MediaStreamType::DISPLAY_VIDEO_CAPTURE,
blink::mojom::MediaStreamType::DISPLAY_VIDEO_CAPTURE_THIS_TAB,
blink::mojom::MediaStreamType::DISPLAY_VIDEO_CAPTURE_SET,
}) {
blink::TrackControls input;
input.stream_type = other_stream_type;
input.device_ids = {
GetRandomOtherId(),
GetRandomOtherId(),
GetRandomOtherId(),
};
blink::TrackControls output;
EXPECT_TRUE(
mojo::test::SerializeAndDeserialize<blink::mojom::TrackControls>(
input, output));
EXPECT_EQ(output.stream_type, input.stream_type);
EXPECT_EQ(output.device_ids, input.device_ids);
// Too long
{
auto failing_input = input;
failing_input.device_ids.push_back(GetRandomOtherId() + "A");
EXPECT_FALSE(
mojo::test::SerializeAndDeserialize<blink::mojom::TrackControls>(
failing_input, output));
}
}
}
|
