src/chrome/browser/extensions/test_extension_prefs.cc

   1 // Copyright (c) 2012 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/test_extension_prefs.h"
   6
   7 #include "base/bind.h"
   8 #include "base/bind_helpers.h"
   9 #include "base/files/file_util.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/message_loop/message_loop.h"
  12 #include "base/message_loop/message_loop_proxy.h"
  13 #include "base/prefs/json_pref_store.h"
  14 #include "base/prefs/pref_value_store.h"
  15 #include "base/run_loop.h"
  16 #include "base/sequenced_task_runner.h"
  17 #include "base/synchronization/waitable_event.h"
  18 #include "base/values.h"
  19 #include "chrome/browser/prefs/pref_service_mock_factory.h"
  20 #include "chrome/browser/prefs/pref_service_syncable.h"
  21 #include "chrome/common/chrome_constants.h"
  22 #include "components/crx_file/id_util.h"
  23 #include "components/pref_registry/pref_registry_syncable.h"
  24 #include "content/public/browser/browser_thread.h"
  25 #include "extensions/browser/extension_pref_store.h"
  26 #include "extensions/browser/extension_pref_value_map.h"
  27 #include "extensions/browser/extension_prefs.h"
  28 #include "extensions/browser/extensions_browser_client.h"
  29 #include "extensions/common/extension.h"
  30 #include "extensions/common/manifest_constants.h"
  31 #include "sync/api/string_ordinal.h"
  32 #include "testing/gtest/include/gtest/gtest.h"
  33
  34 using content::BrowserThread;
  35
  36 namespace extensions {
  37
  38 namespace {
  39
  40 // A TimeProvider which returns an incrementally later time each time
  41 // GetCurrentTime is called.
  42 class IncrementalTimeProvider : public ExtensionPrefs::TimeProvider {
  43  public:
  44   IncrementalTimeProvider() : current_time_(base::Time::Now()) {
  45   }
  46
  47   ~IncrementalTimeProvider() override {}
  48
  49   base::Time GetCurrentTime() const override {
  50     current_time_ += base::TimeDelta::FromSeconds(10);
  51     return current_time_;
  52   }
  53
  54  private:
  55   DISALLOW_COPY_AND_ASSIGN(IncrementalTimeProvider);
  56
  57   mutable base::Time current_time_;
  58 };
  59
  60 }  // namespace
  61
  62 TestExtensionPrefs::TestExtensionPrefs(
  63     const scoped_refptr<base::SequencedTaskRunner>& task_runner)
  64     : task_runner_(task_runner), extensions_disabled_(false) {
  65   EXPECT_TRUE(temp_dir_.CreateUniqueTempDir());
  66   preferences_file_ = temp_dir_.path().Append(chrome::kPreferencesFilename);
  67   extensions_dir_ = temp_dir_.path().AppendASCII("Extensions");
  68   EXPECT_TRUE(base::CreateDirectory(extensions_dir_));
  69
  70   ResetPrefRegistry();
  71   RecreateExtensionPrefs();
  72 }
  73
  74 TestExtensionPrefs::~TestExtensionPrefs() {
  75 }
  76
  77 PrefService* TestExtensionPrefs::pref_service() {
  78   return pref_service_.get();
  79 }
  80
  81 const scoped_refptr<user_prefs::PrefRegistrySyncable>&
  82 TestExtensionPrefs::pref_registry() {
  83   return pref_registry_;
  84 }
  85
  86 void TestExtensionPrefs::ResetPrefRegistry() {
  87   pref_registry_ = new user_prefs::PrefRegistrySyncable;
  88   ExtensionPrefs::RegisterProfilePrefs(pref_registry_.get());
  89 }
  90
  91 void TestExtensionPrefs::RecreateExtensionPrefs() {
  92   // We persist and reload the PrefService's PrefStores because this process
  93   // deletes all empty dictionaries. The ExtensionPrefs implementation
  94   // needs to be able to handle this situation.
  95   if (pref_service_) {
  96     // Commit a pending write (which posts a task to task_runner_) and wait for
  97     // it to finish.
  98     pref_service_->CommitPendingWrite();
  99     base::RunLoop run_loop;
 100     ASSERT_TRUE(
 101         task_runner_->PostTaskAndReply(
 102             FROM_HERE,
 103             base::Bind(&base::DoNothing),
 104             run_loop.QuitClosure()));
 105     run_loop.Run();
 106   }
 107
 108   extension_pref_value_map_.reset(new ExtensionPrefValueMap);
 109   PrefServiceMockFactory factory;
 110   factory.SetUserPrefsFile(preferences_file_, task_runner_.get());
 111   factory.set_extension_prefs(
 112       new ExtensionPrefStore(extension_pref_value_map_.get(), false));
 113   pref_service_ = factory.CreateSyncable(pref_registry_.get()).Pass();
 114
 115   prefs_.reset(ExtensionPrefs::Create(
 116       pref_service_.get(),
 117       temp_dir_.path(),
 118       extension_pref_value_map_.get(),
 119       ExtensionsBrowserClient::Get()->CreateAppSorting().Pass(),
 120       extensions_disabled_,
 121       std::vector<ExtensionPrefsObserver*>(),
 122       // Guarantee that no two extensions get the same installation time
 123       // stamp and we can reliably assert the installation order in the tests.
 124       scoped_ptr<ExtensionPrefs::TimeProvider>(new IncrementalTimeProvider())));
 125 }
 126
 127 scoped_refptr<Extension> TestExtensionPrefs::AddExtension(
 128     const std::string& name) {
 129   base::DictionaryValue dictionary;
 130   dictionary.SetString(manifest_keys::kName, name);
 131   dictionary.SetString(manifest_keys::kVersion, "0.1");
 132   return AddExtensionWithManifest(dictionary, Manifest::INTERNAL);
 133 }
 134
 135 scoped_refptr<Extension> TestExtensionPrefs::AddApp(const std::string& name) {
 136   base::DictionaryValue dictionary;
 137   dictionary.SetString(manifest_keys::kName, name);
 138   dictionary.SetString(manifest_keys::kVersion, "0.1");
 139   dictionary.SetString(manifest_keys::kApp, "true");
 140   dictionary.SetString(manifest_keys::kLaunchWebURL, "http://example.com");
 141   return AddExtensionWithManifest(dictionary, Manifest::INTERNAL);
 142
 143 }
 144
 145 scoped_refptr<Extension> TestExtensionPrefs::AddExtensionWithManifest(
 146     const base::DictionaryValue& manifest, Manifest::Location location) {
 147   return AddExtensionWithManifestAndFlags(manifest, location,
 148                                           Extension::NO_FLAGS);
 149 }
 150
 151 scoped_refptr<Extension> TestExtensionPrefs::AddExtensionWithManifestAndFlags(
 152     const base::DictionaryValue& manifest,
 153     Manifest::Location location,
 154     int extra_flags) {
 155   std::string name;
 156   EXPECT_TRUE(manifest.GetString(manifest_keys::kName, &name));
 157   base::FilePath path =  extensions_dir_.AppendASCII(name);
 158   std::string errors;
 159   scoped_refptr<Extension> extension = Extension::Create(
 160       path, location, manifest, extra_flags, &errors);
 161   EXPECT_TRUE(extension.get()) << errors;
 162   if (!extension.get())
 163     return NULL;
 164
 165   EXPECT_TRUE(crx_file::id_util::IdIsValid(extension->id()));
 166   prefs_->OnExtensionInstalled(extension.get(),
 167                                Extension::ENABLED,
 168                                syncer::StringOrdinal::CreateInitialOrdinal(),
 169                                std::string());
 170   return extension;
 171 }
 172
 173 std::string TestExtensionPrefs::AddExtensionAndReturnId(
 174     const std::string& name) {
 175   scoped_refptr<Extension> extension(AddExtension(name));
 176   return extension->id();
 177 }
 178
 179 PrefService* TestExtensionPrefs::CreateIncognitoPrefService() const {
 180   return pref_service_->CreateIncognitoPrefService(
 181       new ExtensionPrefStore(extension_pref_value_map_.get(), true));
 182 }
 183
 184 void TestExtensionPrefs::set_extensions_disabled(bool extensions_disabled) {
 185   extensions_disabled_ = extensions_disabled;
 186 }
 187
 188 }  // namespace extensions