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
|
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/browser/api/feedback_private/log_source_access_manager.h"
#include "base/functional/bind.h"
#include "base/run_loop.h"
#include "base/strings/stringprintf.h"
#include "extensions/browser/api/feedback_private/feedback_private_api_unittest_base_chromeos.h"
#include "extensions/common/extension_id.h"
namespace extensions {
namespace {
using api::feedback_private::LogSource;
using api::feedback_private::ReadLogSourceParams;
using api::feedback_private::ReadLogSourceResult;
constexpr int kMaxReadersPerSource =
LogSourceAccessManager::kMaxReadersPerSource;
void DummyCallback(std::unique_ptr<ReadLogSourceResult>) {}
} // namespace
using LogSourceAccessManagerTest = FeedbackPrivateApiUnittestBase;
TEST_F(LogSourceAccessManagerTest, MaxNumberOfOpenLogSourcesSameExtension) {
const base::TimeDelta timeout(base::Milliseconds(0));
LogSourceAccessManager::SetRateLimitingTimeoutForTesting(&timeout);
LogSourceAccessManager manager(browser_context());
const ExtensionId extension_id = "extension";
// Open 10 readers for LOG_SOURCE_MESSAGES from the same extension.
ReadLogSourceParams messages_params;
messages_params.incremental = false;
messages_params.source = LogSource::kMessages;
for (size_t i = 0; i < kMaxReadersPerSource; ++i) {
EXPECT_TRUE(manager.FetchFromSource(messages_params, extension_id,
base::BindOnce(&DummyCallback)))
<< base::StringPrintf("Unable to read from log source with i=%zu", i);
EXPECT_EQ(i + 1,
manager.GetNumActiveResourcesForSource(LogSource::kMessages));
}
EXPECT_EQ(0U, manager.GetNumActiveResourcesForSource(LogSource::kUiLatest));
// Open 10 readers for LOG_SOURCE_UILATEST from the same extension.
ReadLogSourceParams ui_latest_params;
ui_latest_params.incremental = false;
ui_latest_params.source = LogSource::kUiLatest;
for (size_t i = 0; i < kMaxReadersPerSource; ++i) {
EXPECT_TRUE(manager.FetchFromSource(ui_latest_params, extension_id,
base::BindOnce(&DummyCallback)))
<< base::StringPrintf("Unable to read from log source with i=%zu", i);
EXPECT_EQ(i + 1,
manager.GetNumActiveResourcesForSource(LogSource::kUiLatest));
}
EXPECT_EQ(10U, manager.GetNumActiveResourcesForSource(LogSource::kMessages));
// Can't open more readers for LOG_SOURCE_MESSAGES or LOG_SOURCE_UILATEST.
EXPECT_FALSE(manager.FetchFromSource(messages_params, extension_id,
base::BindOnce(&DummyCallback)));
EXPECT_FALSE(manager.FetchFromSource(ui_latest_params, extension_id,
base::BindOnce(&DummyCallback)));
EXPECT_EQ(10U, manager.GetNumActiveResourcesForSource(LogSource::kMessages));
EXPECT_EQ(10U, manager.GetNumActiveResourcesForSource(LogSource::kUiLatest));
// Wait for all asynchronous operations to complete.
base::RunLoop().RunUntilIdle();
}
TEST_F(LogSourceAccessManagerTest,
MaxNumberOfOpenLogSourcesDifferentExtensions) {
const base::TimeDelta timeout(base::Milliseconds(0));
LogSourceAccessManager::SetRateLimitingTimeoutForTesting(&timeout);
LogSourceAccessManager manager(browser_context());
int count = 0;
// Open 10 readers for LOG_SOURCE_MESSAGES from different extensions.
ReadLogSourceParams messages_params;
messages_params.incremental = false;
messages_params.source = LogSource::kMessages;
for (size_t i = 0; i < kMaxReadersPerSource; ++i, ++count) {
EXPECT_TRUE(manager.FetchFromSource(
messages_params, base::StringPrintf("extension %d", count),
base::BindOnce(&DummyCallback)))
<< base::StringPrintf(
"Unable to read from log source with i=%zu and count=%d", i,
count);
EXPECT_EQ(i + 1,
manager.GetNumActiveResourcesForSource(LogSource::kMessages));
}
EXPECT_EQ(0U, manager.GetNumActiveResourcesForSource(LogSource::kUiLatest));
// Open 10 readers for LOG_SOURCE_UILATEST from different extensions.
ReadLogSourceParams ui_latest_params;
ui_latest_params.incremental = false;
ui_latest_params.source = LogSource::kUiLatest;
for (size_t i = 0; i < kMaxReadersPerSource; ++i, ++count) {
EXPECT_TRUE(manager.FetchFromSource(
ui_latest_params, base::StringPrintf("extension %d", count),
base::BindOnce(&DummyCallback)))
<< base::StringPrintf(
"Unable to read from log source with i=%zu and count=%d", i,
count);
EXPECT_EQ(i + 1,
manager.GetNumActiveResourcesForSource(LogSource::kUiLatest));
}
EXPECT_EQ(10U, manager.GetNumActiveResourcesForSource(LogSource::kMessages));
// Can't open more readers for LOG_SOURCE_MESSAGES.
EXPECT_FALSE(manager.FetchFromSource(
messages_params, base::StringPrintf("extension %d", count),
base::BindOnce(&DummyCallback)));
EXPECT_EQ(10U, manager.GetNumActiveResourcesForSource(LogSource::kMessages));
EXPECT_EQ(10U, manager.GetNumActiveResourcesForSource(LogSource::kUiLatest));
// Can't open more readers for LOG_SOURCE_UILATEST.
EXPECT_FALSE(manager.FetchFromSource(
ui_latest_params, base::StringPrintf("extension %d", count),
base::BindOnce(&DummyCallback)));
EXPECT_EQ(10U, manager.GetNumActiveResourcesForSource(LogSource::kMessages));
EXPECT_EQ(10U, manager.GetNumActiveResourcesForSource(LogSource::kUiLatest));
// Wait for all asynchronous operations to complete.
base::RunLoop().RunUntilIdle();
}
} // namespace extensions
|
