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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stddef.h>
#include "base/files/file_enumerator.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/values.h"
#include "chrome/browser/extensions/extension_garbage_collector.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/extensions/extension_service_test_base.h"
#include "chrome/browser/extensions/install_tracker.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/test/base/testing_profile.h"
#include "components/prefs/scoped_user_pref_update.h"
#include "content/public/browser/plugin_service.h"
#include "content/public/test/test_browser_thread_bundle.h"
#include "content/public/test/test_utils.h"
#include "extensions/browser/extension_prefs.h"
#include "extensions/browser/pref_names.h"
#include "ppapi/buildflags/buildflags.h"
namespace extensions {
class ExtensionGarbageCollectorUnitTest : public ExtensionServiceTestBase {
protected:
void InitPluginService() {
#if BUILDFLAG(ENABLE_PLUGINS)
content::PluginService::GetInstance()->Init();
#endif
}
// A delayed task to call GarbageCollectExtensions is posted by
// ExtensionGarbageCollector's constructor. But, as the test won't wait for
// the delayed task to be called, we have to call it manually instead.
void GarbageCollectExtensions() {
ExtensionGarbageCollector::Get(profile_.get())
->GarbageCollectExtensionsForTest();
// Wait for GarbageCollectExtensions task to complete.
content::RunAllTasksUntilIdle();
}
};
// Test that partially deleted extensions are cleaned up during startup.
TEST_F(ExtensionGarbageCollectorUnitTest, CleanupOnStartup) {
const std::string kExtensionId = "behllobkkfkfnphdnhnkndlbkcpglgmj";
InitPluginService();
InitializeGoodInstalledExtensionService();
// Simulate that one of them got partially deleted by clearing its pref.
{
DictionaryPrefUpdate update(profile_->GetPrefs(), pref_names::kExtensions);
base::DictionaryValue* dict = update.Get();
ASSERT_TRUE(dict != NULL);
dict->Remove(kExtensionId, NULL);
}
service_->Init();
GarbageCollectExtensions();
base::FileEnumerator dirs(extensions_install_dir(),
false, // not recursive
base::FileEnumerator::DIRECTORIES);
size_t count = 0;
while (!dirs.Next().empty())
count++;
// We should have only gotten two extensions now.
EXPECT_EQ(2u, count);
// And extension1 dir should now be toast.
base::FilePath extension_dir =
extensions_install_dir().AppendASCII(kExtensionId);
ASSERT_FALSE(base::PathExists(extension_dir));
}
// Test that garbage collection doesn't delete anything while a crx is being
// installed.
TEST_F(ExtensionGarbageCollectorUnitTest, NoCleanupDuringInstall) {
const std::string kExtensionId = "behllobkkfkfnphdnhnkndlbkcpglgmj";
InitPluginService();
InitializeGoodInstalledExtensionService();
// Simulate that one of them got partially deleted by clearing its pref.
{
DictionaryPrefUpdate update(profile_->GetPrefs(), pref_names::kExtensions);
base::DictionaryValue* dict = update.Get();
ASSERT_TRUE(dict != NULL);
dict->Remove(kExtensionId, NULL);
}
service_->Init();
// Simulate a CRX installation.
InstallTracker::Get(profile_.get())->OnBeginCrxInstall(kExtensionId);
GarbageCollectExtensions();
// extension1 dir should still exist.
base::FilePath extension_dir =
extensions_install_dir().AppendASCII(kExtensionId);
ASSERT_TRUE(base::PathExists(extension_dir));
// Finish CRX installation and re-run garbage collection.
InstallTracker::Get(profile_.get())->OnFinishCrxInstall(kExtensionId, false);
GarbageCollectExtensions();
// extension1 dir should be gone
ASSERT_FALSE(base::PathExists(extension_dir));
}
// Test that GarbageCollectExtensions deletes the right versions of an
// extension.
TEST_F(ExtensionGarbageCollectorUnitTest, GarbageCollectWithPendingUpdates) {
InitPluginService();
base::FilePath source_install_dir =
data_dir().AppendASCII("pending_updates").AppendASCII("Extensions");
base::FilePath pref_path =
source_install_dir.DirName().Append(chrome::kPreferencesFilename);
InitializeInstalledExtensionService(pref_path, source_install_dir);
// This is the directory that is going to be deleted, so make sure it actually
// is there before the garbage collection.
ASSERT_TRUE(base::PathExists(extensions_install_dir().AppendASCII(
"hpiknbiabeeppbpihjehijgoemciehgk/3")));
GarbageCollectExtensions();
// Verify that the pending update for the first extension didn't get
// deleted.
EXPECT_TRUE(base::PathExists(extensions_install_dir().AppendASCII(
"bjafgdebaacbbbecmhlhpofkepfkgcpa/1.0")));
EXPECT_TRUE(base::PathExists(extensions_install_dir().AppendASCII(
"bjafgdebaacbbbecmhlhpofkepfkgcpa/2.0")));
EXPECT_TRUE(base::PathExists(extensions_install_dir().AppendASCII(
"hpiknbiabeeppbpihjehijgoemciehgk/2")));
EXPECT_FALSE(base::PathExists(extensions_install_dir().AppendASCII(
"hpiknbiabeeppbpihjehijgoemciehgk/3")));
}
// Test that pending updates are properly handled on startup.
TEST_F(ExtensionGarbageCollectorUnitTest, UpdateOnStartup) {
InitPluginService();
base::FilePath source_install_dir =
data_dir().AppendASCII("pending_updates").AppendASCII("Extensions");
base::FilePath pref_path =
source_install_dir.DirName().Append(chrome::kPreferencesFilename);
InitializeInstalledExtensionService(pref_path, source_install_dir);
// This is the directory that is going to be deleted, so make sure it actually
// is there before the garbage collection.
ASSERT_TRUE(base::PathExists(extensions_install_dir().AppendASCII(
"hpiknbiabeeppbpihjehijgoemciehgk/3")));
service_->Init();
GarbageCollectExtensions();
// Verify that the pending update for the first extension got installed.
EXPECT_FALSE(base::PathExists(extensions_install_dir().AppendASCII(
"bjafgdebaacbbbecmhlhpofkepfkgcpa/1.0")));
EXPECT_TRUE(base::PathExists(extensions_install_dir().AppendASCII(
"bjafgdebaacbbbecmhlhpofkepfkgcpa/2.0")));
EXPECT_TRUE(base::PathExists(extensions_install_dir().AppendASCII(
"hpiknbiabeeppbpihjehijgoemciehgk/2")));
EXPECT_FALSE(base::PathExists(extensions_install_dir().AppendASCII(
"hpiknbiabeeppbpihjehijgoemciehgk/3")));
// Make sure update information got deleted.
ExtensionPrefs* prefs = ExtensionPrefs::Get(profile_.get());
EXPECT_FALSE(
prefs->GetDelayedInstallInfo("bjafgdebaacbbbecmhlhpofkepfkgcpa"));
}
} // namespace extensions
|
