chrome/browser/extensions/extension_garbage_collector_chromeos_unittest.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/extensions/extension_garbage_collector_chromeos.h"
   6
   7 #include <string>
   8 #include <vector>
   9
  10 #include "base/files/file_util.h"
  11 #include "base/prefs/scoped_user_pref_update.h"
  12 #include "base/prefs/testing_pref_service.h"
  13 #include "base/strings/string_split.h"
  14 #include "base/strings/string_util.h"
  15 #include "base/threading/sequenced_worker_pool.h"
  16 #include "base/values.h"
  17 #include "chrome/browser/chromeos/login/users/fake_chrome_user_manager.h"
  18 #include "chrome/browser/chromeos/login/users/scoped_user_manager_enabler.h"
  19 #include "chrome/browser/chromeos/profiles/profile_helper.h"
  20 #include "chrome/browser/extensions/extension_assets_manager_chromeos.h"
  21 #include "chrome/browser/extensions/extension_service.h"
  22 #include "chrome/browser/extensions/extension_service_test_base.h"
  23 #include "chrome/browser/prefs/browser_prefs.h"
  24 #include "chrome/browser/profiles/profile.h"
  25 #include "chrome/test/base/testing_browser_process.h"
  26 #include "chrome/test/base/testing_profile.h"
  27 #include "chromeos/login/user_names.h"
  28 #include "components/user_manager/user_manager.h"
  29 #include "content/public/browser/browser_thread.h"
  30 #include "content/public/browser/plugin_service.h"
  31 #include "content/public/test/test_utils.h"
  32 #include "extensions/browser/extension_prefs.h"
  33 #include "extensions/browser/install_flag.h"
  34 #include "extensions/common/manifest_constants.h"
  35
  36 namespace {
  37 const char kExtensionId1[] = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
  38 const char kExtensionId2[] = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb";
  39 }  // namespace
  40
  41 namespace extensions {
  42
  43 class ExtensionGarbageCollectorChromeOSUnitTest
  44     : public ExtensionServiceTestBase {
  45  protected:
  46   const base::FilePath& cache_dir() { return cache_dir_.path(); }
  47
  48   void SetUp() override {
  49 #if defined(ENABLE_PLUGINS)
  50     content::PluginService::GetInstance()->Init();
  51 #endif
  52     InitializeGoodInstalledExtensionService();
  53
  54     // Need real IO thread.
  55     service_->SetFileTaskRunnerForTesting(
  56         content::BrowserThread::GetBlockingPool()
  57             ->GetSequencedTaskRunnerWithShutdownBehavior(
  58                 content::BrowserThread::GetBlockingPool()
  59                     ->GetNamedSequenceToken("ext_install-"),
  60                 base::SequencedWorkerPool::SKIP_ON_SHUTDOWN));
  61
  62     CHECK(cache_dir_.CreateUniqueTempDir());
  63     ExtensionAssetsManagerChromeOS::SetSharedInstallDirForTesting(cache_dir());
  64     ExtensionGarbageCollectorChromeOS::ClearGarbageCollectedForTesting();
  65
  66     // Initialize the UserManager singleton to a fresh FakeChromeUserManager
  67     // instance.
  68     user_manager_enabler_.reset(new chromeos::ScopedUserManagerEnabler(
  69         new chromeos::FakeChromeUserManager));
  70
  71     GetFakeUserManager()->AddUser(chromeos::login::kStubUser);
  72     GetFakeUserManager()->LoginUser(chromeos::login::kStubUser);
  73     chromeos::ProfileHelper::Get()->SetUserToProfileMappingForTesting(
  74         GetFakeUserManager()->GetActiveUser(), profile_.get());
  75   }
  76
  77   void GarbageCollectExtensions() {
  78     ExtensionGarbageCollector::Get(profile_.get())
  79         ->GarbageCollectExtensionsForTest();
  80     // Wait for GarbageCollectExtensions task to complete.
  81     content::RunAllBlockingPoolTasksUntilIdle();
  82   }
  83
  84   base::FilePath CreateSharedExtensionDir(const std::string& id,
  85                                           const std::string& version,
  86                                           const base::FilePath& shared_dir) {
  87     base::FilePath path = shared_dir.AppendASCII(id).AppendASCII(version);
  88     CreateDirectory(path);
  89     return path;
  90   }
  91
  92   void CreateSharedExtensionPrefs(const std::string& id,
  93                                   const std::string& version,
  94                                   const std::string& users_string,
  95                                   const base::FilePath& path) {
  96     DictionaryPrefUpdate shared_extensions(testing_local_state_.Get(),
  97         ExtensionAssetsManagerChromeOS::kSharedExtensions);
  98
  99     base::DictionaryValue* extension_info = NULL;
 100     if (!shared_extensions->GetDictionary(id, &extension_info)) {
 101       extension_info = new base::DictionaryValue;
 102       shared_extensions->Set(id, extension_info);
 103     }
 104
 105     base::DictionaryValue* version_info = new base::DictionaryValue;
 106     extension_info->SetWithoutPathExpansion(version, version_info);
 107     version_info->SetString(
 108         ExtensionAssetsManagerChromeOS::kSharedExtensionPath, path.value());
 109
 110     base::ListValue* users = new base::ListValue;
 111     version_info->Set(ExtensionAssetsManagerChromeOS::kSharedExtensionUsers,
 112                       users);
 113     for (const std::string& user :
 114          base::SplitString(users_string, ",",
 115                            base::KEEP_WHITESPACE, base::SPLIT_WANT_NONEMPTY))
 116       users->AppendString(user);
 117   }
 118
 119   scoped_refptr<Extension> CreateExtension(const std::string& id,
 120                                            const std::string& version,
 121                                            const base::FilePath& path) {
 122     base::DictionaryValue manifest;
 123     manifest.SetString(manifest_keys::kName, "test");
 124     manifest.SetString(manifest_keys::kVersion, version);
 125
 126     std::string error;
 127     scoped_refptr<Extension> extension = Extension::Create(
 128         path, Manifest::INTERNAL, manifest, Extension::NO_FLAGS, id, &error);
 129     CHECK(extension.get()) << error;
 130     CHECK_EQ(id, extension->id());
 131
 132     return extension;
 133   }
 134
 135   ExtensionPrefs* GetExtensionPrefs() {
 136     return ExtensionPrefs::Get(profile_.get());
 137   }
 138
 139   chromeos::FakeChromeUserManager* GetFakeUserManager() {
 140     return static_cast<chromeos::FakeChromeUserManager*>(
 141         user_manager::UserManager::Get());
 142   }
 143
 144  private:
 145   scoped_ptr<chromeos::ScopedUserManagerEnabler> user_manager_enabler_;
 146   base::ScopedTempDir cache_dir_;
 147 };
 148
 149 // Test shared extensions clean up.
 150 TEST_F(ExtensionGarbageCollectorChromeOSUnitTest, SharedExtensions) {
 151   // Version for non-existing user.
 152   base::FilePath path_id1_1 = CreateSharedExtensionDir(
 153       kExtensionId1, "1.0", cache_dir());
 154   CreateSharedExtensionPrefs(kExtensionId1, "1.0", "test@test.com", path_id1_1);
 155   EXPECT_TRUE(base::PathExists(path_id1_1));
 156
 157   // Version for current user but the extension is not installed.
 158   base::FilePath path_id1_2 = CreateSharedExtensionDir(
 159       kExtensionId1, "2.0", cache_dir());
 160   CreateSharedExtensionPrefs(
 161       kExtensionId1, "2.0", chromeos::login::kStubUser, path_id1_2);
 162   EXPECT_TRUE(base::PathExists(path_id1_2));
 163
 164   // Version for current user that delayed install.
 165   base::FilePath path_id2_1 = CreateSharedExtensionDir(
 166       kExtensionId2, "1.0", cache_dir());
 167   CreateSharedExtensionPrefs(
 168       kExtensionId2, "1.0", chromeos::login::kStubUser, path_id2_1);
 169   scoped_refptr<Extension> extension2 = CreateExtension(kExtensionId2, "1.0",
 170                                                         path_id2_1);
 171   GetExtensionPrefs()->SetDelayedInstallInfo(
 172       extension2.get(),
 173       Extension::ENABLED,
 174       kInstallFlagNone,
 175       ExtensionPrefs::DELAY_REASON_WAIT_FOR_IDLE,
 176       syncer::StringOrdinal(),
 177       std::string());
 178   EXPECT_TRUE(base::PathExists(path_id2_1));
 179
 180   GarbageCollectExtensions();
 181
 182   EXPECT_FALSE(base::PathExists(path_id1_1));
 183   EXPECT_FALSE(base::PathExists(path_id1_2));
 184   EXPECT_FALSE(base::PathExists(cache_dir().AppendASCII(kExtensionId1)));
 185
 186   EXPECT_TRUE(base::PathExists(path_id2_1));
 187
 188   const base::DictionaryValue* shared_extensions = testing_local_state_.Get()->
 189       GetDictionary(ExtensionAssetsManagerChromeOS::kSharedExtensions);
 190   ASSERT_TRUE(shared_extensions);
 191
 192   EXPECT_FALSE(shared_extensions->HasKey(kExtensionId1));
 193   EXPECT_TRUE(shared_extensions->HasKey(kExtensionId2));
 194 }
 195
 196 }  // namespace extensions