|  | // 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 "chrome/browser/chromeos/file_system_provider/service.h" | 
|  |  | 
|  | #include <stddef.h> | 
|  |  | 
|  | #include <memory> | 
|  | #include <string> | 
|  | #include <vector> | 
|  |  | 
|  | #include "base/files/file.h" | 
|  | #include "base/macros.h" | 
|  | #include "base/memory/ptr_util.h" | 
|  | #include "base/memory/ref_counted.h" | 
|  | #include "base/strings/string_number_conversions.h" | 
|  | #include "chrome/browser/chromeos/file_system_provider/fake_extension_provider.h" | 
|  | #include "chrome/browser/chromeos/file_system_provider/fake_provided_file_system.h" | 
|  | #include "chrome/browser/chromeos/file_system_provider/fake_registry.h" | 
|  | #include "chrome/browser/chromeos/file_system_provider/icon_set.h" | 
|  | #include "chrome/browser/chromeos/file_system_provider/logging_observer.h" | 
|  | #include "chrome/browser/chromeos/file_system_provider/mount_path_util.h" | 
|  | #include "chrome/browser/chromeos/file_system_provider/observer.h" | 
|  | #include "chrome/browser/chromeos/file_system_provider/provided_file_system_info.h" | 
|  | #include "chrome/browser/chromeos/file_system_provider/registry_interface.h" | 
|  | #include "chrome/browser/chromeos/login/users/fake_chrome_user_manager.h" | 
|  | #include "chrome/common/extensions/api/file_system_provider_capabilities/file_system_provider_capabilities_handler.h" | 
|  | #include "chrome/test/base/testing_browser_process.h" | 
|  | #include "chrome/test/base/testing_profile.h" | 
|  | #include "chrome/test/base/testing_profile_manager.h" | 
|  | #include "components/sync_preferences/testing_pref_service_syncable.h" | 
|  | #include "components/user_manager/scoped_user_manager.h" | 
|  | #include "components/user_prefs/user_prefs.h" | 
|  | #include "content/public/test/test_browser_thread_bundle.h" | 
|  | #include "extensions/browser/extension_registry.h" | 
|  | #include "extensions/common/extension.h" | 
|  | #include "extensions/common/extension_id.h" | 
|  | #include "extensions/common/manifest_constants.h" | 
|  | #include "storage/browser/fileapi/external_mount_points.h" | 
|  | #include "testing/gtest/include/gtest/gtest.h" | 
|  |  | 
|  | namespace chromeos { | 
|  | namespace file_system_provider { | 
|  | namespace { | 
|  |  | 
|  | const extensions::ExtensionId kExtensionId = "mbflcebpggnecokmikipoihdbecnjfoj"; | 
|  | const ProviderId kProviderId = ProviderId::CreateFromExtensionId(kExtensionId); | 
|  | const char kDisplayName[] = "Camera Pictures"; | 
|  | const ProviderId kCustomProviderId = | 
|  | ProviderId::CreateFromNativeId("custom provider id"); | 
|  |  | 
|  | // The dot in the file system ID is there in order to check that saving to | 
|  | // preferences works correctly. File System ID is used as a key in | 
|  | // a base::DictionaryValue, so it has to be stored without path expansion. | 
|  | const char kFileSystemId[] = "camera/pictures/id .!@#$%^&*()_+"; | 
|  |  | 
|  | // Creates a fake extension with the specified |extension_id|. | 
|  | // TODO(mtomasz): Use the extension builder. | 
|  | scoped_refptr<extensions::Extension> CreateFakeExtension( | 
|  | const extensions::ExtensionId& extension_id) { | 
|  | base::DictionaryValue manifest; | 
|  | std::string error; | 
|  | manifest.SetKey(extensions::manifest_keys::kVersion, base::Value("1.0.0.0")); | 
|  | manifest.SetKey(extensions::manifest_keys::kManifestVersion, base::Value(2)); | 
|  | manifest.SetKey(extensions::manifest_keys::kName, base::Value("unused")); | 
|  |  | 
|  | std::unique_ptr<base::ListValue> permissions_list(new base::ListValue()); | 
|  | permissions_list->AppendString("fileSystemProvider"); | 
|  | manifest.Set(extensions::manifest_keys::kPermissions, | 
|  | std::move(permissions_list)); | 
|  |  | 
|  | std::unique_ptr<base::DictionaryValue> capabilities( | 
|  | new base::DictionaryValue); | 
|  | capabilities->SetString("source", "network"); | 
|  | capabilities->SetBoolean("watchable", true); | 
|  | manifest.Set(extensions::manifest_keys::kFileSystemProviderCapabilities, | 
|  | std::move(capabilities)); | 
|  |  | 
|  | scoped_refptr<extensions::Extension> extension = | 
|  | extensions::Extension::Create( | 
|  | base::FilePath(), extensions::Manifest::UNPACKED, manifest, | 
|  | extensions::Extension::NO_FLAGS, extension_id, &error); | 
|  | EXPECT_TRUE(extension) << error; | 
|  | return extension; | 
|  | } | 
|  |  | 
|  | }  // namespace | 
|  |  | 
|  | class FileSystemProviderServiceTest : public testing::Test { | 
|  | protected: | 
|  | FileSystemProviderServiceTest() : profile_(NULL) {} | 
|  |  | 
|  | ~FileSystemProviderServiceTest() override {} | 
|  |  | 
|  | void SetUp() override { | 
|  | profile_manager_.reset( | 
|  | new TestingProfileManager(TestingBrowserProcess::GetGlobal())); | 
|  | ASSERT_TRUE(profile_manager_->SetUp()); | 
|  | profile_ = profile_manager_->CreateTestingProfile("test-user@example.com"); | 
|  | user_manager_ = new FakeChromeUserManager(); | 
|  | user_manager_->AddUser( | 
|  | AccountId::FromUserEmail(profile_->GetProfileUserName())); | 
|  | user_manager_enabler_ = std::make_unique<user_manager::ScopedUserManager>( | 
|  | base::WrapUnique(user_manager_)); | 
|  | extension_registry_.reset(new extensions::ExtensionRegistry(profile_)); | 
|  | service_.reset(new Service(profile_, extension_registry_.get())); | 
|  |  | 
|  | registry_ = new FakeRegistry; | 
|  | // Passes ownership to the service instance. | 
|  | service_->SetRegistryForTesting(base::WrapUnique(registry_)); | 
|  |  | 
|  | fake_watcher_.entry_path = base::FilePath(FILE_PATH_LITERAL("/a/b/c")); | 
|  | fake_watcher_.recursive = true; | 
|  | fake_watcher_.last_tag = "hello-world"; | 
|  | } | 
|  |  | 
|  | void TearDown() override { | 
|  | service_->Shutdown(); | 
|  | } | 
|  |  | 
|  | content::TestBrowserThreadBundle thread_bundle_; | 
|  | std::unique_ptr<TestingProfileManager> profile_manager_; | 
|  | TestingProfile* profile_; | 
|  | FakeChromeUserManager* user_manager_; | 
|  | std::unique_ptr<user_manager::ScopedUserManager> user_manager_enabler_; | 
|  | std::unique_ptr<extensions::ExtensionRegistry> extension_registry_; | 
|  | std::unique_ptr<Service> service_; | 
|  | FakeRegistry* registry_;  // Owned by Service. | 
|  | Watcher fake_watcher_; | 
|  | }; | 
|  |  | 
|  | TEST_F(FileSystemProviderServiceTest, MountFileSystem) { | 
|  | LoggingObserver observer; | 
|  | service_->AddObserver(&observer); | 
|  | service_->RegisterProvider(FakeExtensionProvider::Create(kExtensionId)); | 
|  |  | 
|  | EXPECT_EQ(base::File::FILE_OK, | 
|  | service_->MountFileSystem( | 
|  | kProviderId, MountOptions(kFileSystemId, kDisplayName))); | 
|  |  | 
|  | ASSERT_EQ(1u, observer.mounts.size()); | 
|  | EXPECT_EQ(kProviderId, observer.mounts[0].file_system_info().provider_id()); | 
|  | EXPECT_EQ(kFileSystemId, | 
|  | observer.mounts[0].file_system_info().file_system_id()); | 
|  | base::FilePath expected_mount_path = | 
|  | util::GetMountPath(profile_, kProviderId, kFileSystemId); | 
|  | EXPECT_EQ(expected_mount_path.AsUTF8Unsafe(), | 
|  | observer.mounts[0].file_system_info().mount_path().AsUTF8Unsafe()); | 
|  | EXPECT_EQ(kDisplayName, observer.mounts[0].file_system_info().display_name()); | 
|  | EXPECT_FALSE(observer.mounts[0].file_system_info().writable()); | 
|  | EXPECT_FALSE(observer.mounts[0].file_system_info().supports_notify_tag()); | 
|  | EXPECT_EQ(base::File::FILE_OK, observer.mounts[0].error()); | 
|  | EXPECT_EQ(MOUNT_CONTEXT_USER, observer.mounts[0].context()); | 
|  | ASSERT_EQ(0u, observer.unmounts.size()); | 
|  |  | 
|  | std::vector<ProvidedFileSystemInfo> file_system_info_list = | 
|  | service_->GetProvidedFileSystemInfoList(); | 
|  | ASSERT_EQ(1u, file_system_info_list.size()); | 
|  |  | 
|  | service_->RemoveObserver(&observer); | 
|  | } | 
|  |  | 
|  | TEST_F(FileSystemProviderServiceTest, | 
|  | MountFileSystem_WritableAndSupportsNotifyTag) { | 
|  | LoggingObserver observer; | 
|  | service_->AddObserver(&observer); | 
|  | service_->RegisterProvider(FakeExtensionProvider::Create(kExtensionId)); | 
|  |  | 
|  | MountOptions options(kFileSystemId, kDisplayName); | 
|  | options.writable = true; | 
|  | options.supports_notify_tag = true; | 
|  | EXPECT_EQ(base::File::FILE_OK, | 
|  | service_->MountFileSystem(kProviderId, options)); | 
|  |  | 
|  | ASSERT_EQ(1u, observer.mounts.size()); | 
|  | EXPECT_TRUE(observer.mounts[0].file_system_info().writable()); | 
|  | EXPECT_TRUE(observer.mounts[0].file_system_info().supports_notify_tag()); | 
|  | ASSERT_EQ(0u, observer.unmounts.size()); | 
|  | std::vector<ProvidedFileSystemInfo> file_system_info_list = | 
|  | service_->GetProvidedFileSystemInfoList(); | 
|  | ASSERT_EQ(1u, file_system_info_list.size()); | 
|  |  | 
|  | service_->RemoveObserver(&observer); | 
|  | } | 
|  |  | 
|  | TEST_F(FileSystemProviderServiceTest, MountFileSystem_UniqueIds) { | 
|  | LoggingObserver observer; | 
|  | service_->AddObserver(&observer); | 
|  | service_->RegisterProvider(FakeExtensionProvider::Create(kExtensionId)); | 
|  |  | 
|  | EXPECT_EQ(base::File::FILE_OK, | 
|  | service_->MountFileSystem( | 
|  | kProviderId, MountOptions(kFileSystemId, kDisplayName))); | 
|  | EXPECT_EQ(base::File::FILE_ERROR_EXISTS, | 
|  | service_->MountFileSystem( | 
|  | kProviderId, MountOptions(kFileSystemId, kDisplayName))); | 
|  |  | 
|  | ASSERT_EQ(2u, observer.mounts.size()); | 
|  | EXPECT_EQ(base::File::FILE_OK, observer.mounts[0].error()); | 
|  | EXPECT_EQ(base::File::FILE_ERROR_EXISTS, observer.mounts[1].error()); | 
|  |  | 
|  | std::vector<ProvidedFileSystemInfo> file_system_info_list = | 
|  | service_->GetProvidedFileSystemInfoList(); | 
|  | ASSERT_EQ(1u, file_system_info_list.size()); | 
|  |  | 
|  | service_->RemoveObserver(&observer); | 
|  | } | 
|  |  | 
|  | TEST_F(FileSystemProviderServiceTest, MountFileSystem_StressTest) { | 
|  | LoggingObserver observer; | 
|  | service_->AddObserver(&observer); | 
|  | service_->RegisterProvider(FakeExtensionProvider::Create(kExtensionId)); | 
|  |  | 
|  | const size_t kMaxFileSystems = 16; | 
|  | for (size_t i = 0; i < kMaxFileSystems; ++i) { | 
|  | const std::string file_system_id = | 
|  | std::string("test-") + base::IntToString(i); | 
|  | EXPECT_EQ(base::File::FILE_OK, | 
|  | service_->MountFileSystem( | 
|  | kProviderId, MountOptions(file_system_id, kDisplayName))); | 
|  | } | 
|  | ASSERT_EQ(kMaxFileSystems, observer.mounts.size()); | 
|  |  | 
|  | // The next file system is out of limit, and registering it should fail. | 
|  | EXPECT_EQ(base::File::FILE_ERROR_TOO_MANY_OPENED, | 
|  | service_->MountFileSystem( | 
|  | kProviderId, MountOptions(kFileSystemId, kDisplayName))); | 
|  |  | 
|  | ASSERT_EQ(kMaxFileSystems + 1, observer.mounts.size()); | 
|  | EXPECT_EQ(base::File::FILE_ERROR_TOO_MANY_OPENED, | 
|  | observer.mounts[kMaxFileSystems].error()); | 
|  |  | 
|  | std::vector<ProvidedFileSystemInfo> file_system_info_list = | 
|  | service_->GetProvidedFileSystemInfoList(); | 
|  | ASSERT_EQ(kMaxFileSystems, file_system_info_list.size()); | 
|  |  | 
|  | service_->RemoveObserver(&observer); | 
|  | } | 
|  |  | 
|  | TEST_F(FileSystemProviderServiceTest, UnmountFileSystem) { | 
|  | LoggingObserver observer; | 
|  | service_->AddObserver(&observer); | 
|  |  | 
|  | service_->RegisterProvider(FakeExtensionProvider::Create(kExtensionId)); | 
|  |  | 
|  | EXPECT_EQ(base::File::FILE_OK, | 
|  | service_->MountFileSystem( | 
|  | kProviderId, MountOptions(kFileSystemId, kDisplayName))); | 
|  | ASSERT_EQ(1u, observer.mounts.size()); | 
|  |  | 
|  | EXPECT_EQ(base::File::FILE_OK, | 
|  | service_->UnmountFileSystem(kProviderId, kFileSystemId, | 
|  | Service::UNMOUNT_REASON_USER)); | 
|  | ASSERT_EQ(1u, observer.unmounts.size()); | 
|  | EXPECT_EQ(base::File::FILE_OK, observer.unmounts[0].error()); | 
|  |  | 
|  | EXPECT_EQ(kProviderId, observer.unmounts[0].file_system_info().provider_id()); | 
|  | EXPECT_EQ(kFileSystemId, | 
|  | observer.unmounts[0].file_system_info().file_system_id()); | 
|  |  | 
|  | std::vector<ProvidedFileSystemInfo> file_system_info_list = | 
|  | service_->GetProvidedFileSystemInfoList(); | 
|  | ASSERT_EQ(0u, file_system_info_list.size()); | 
|  |  | 
|  | service_->RemoveObserver(&observer); | 
|  | } | 
|  |  | 
|  | TEST_F(FileSystemProviderServiceTest, UnmountFileSystem_OnExtensionUnload) { | 
|  | LoggingObserver observer; | 
|  | service_->AddObserver(&observer); | 
|  |  | 
|  | scoped_refptr<extensions::Extension> extension = | 
|  | CreateFakeExtension(kExtensionId); | 
|  | extension_registry_->AddEnabled(extension); | 
|  | service_->OnExtensionLoaded(profile_, extension.get()); | 
|  |  | 
|  | EXPECT_EQ(base::File::FILE_OK, | 
|  | service_->MountFileSystem( | 
|  | kProviderId, MountOptions(kFileSystemId, kDisplayName))); | 
|  | ASSERT_EQ(1u, observer.mounts.size()); | 
|  |  | 
|  | // Directly call the observer's method. | 
|  | service_->OnExtensionUnloaded(profile_, extension.get(), | 
|  | extensions::UnloadedExtensionReason::DISABLE); | 
|  |  | 
|  | ASSERT_EQ(1u, observer.unmounts.size()); | 
|  | EXPECT_EQ(base::File::FILE_OK, observer.unmounts[0].error()); | 
|  |  | 
|  | EXPECT_EQ(kProviderId, observer.unmounts[0].file_system_info().provider_id()); | 
|  | EXPECT_EQ(kFileSystemId, | 
|  | observer.unmounts[0].file_system_info().file_system_id()); | 
|  |  | 
|  | std::vector<ProvidedFileSystemInfo> file_system_info_list = | 
|  | service_->GetProvidedFileSystemInfoList(); | 
|  | ASSERT_EQ(0u, file_system_info_list.size()); | 
|  |  | 
|  | service_->RemoveObserver(&observer); | 
|  | } | 
|  |  | 
|  | TEST_F(FileSystemProviderServiceTest, UnmountFileSystem_WrongExtensionId) { | 
|  | LoggingObserver observer; | 
|  | service_->AddObserver(&observer); | 
|  | service_->RegisterProvider(FakeExtensionProvider::Create(kExtensionId)); | 
|  |  | 
|  | const ProviderId kWrongProviderId = | 
|  | ProviderId::CreateFromExtensionId("helloworldhelloworldhelloworldhe"); | 
|  |  | 
|  | EXPECT_EQ(base::File::FILE_OK, | 
|  | service_->MountFileSystem( | 
|  | kProviderId, MountOptions(kFileSystemId, kDisplayName))); | 
|  | ASSERT_EQ(1u, observer.mounts.size()); | 
|  | ASSERT_EQ(1u, service_->GetProvidedFileSystemInfoList().size()); | 
|  |  | 
|  | EXPECT_EQ(base::File::FILE_ERROR_NOT_FOUND, | 
|  | service_->UnmountFileSystem(kWrongProviderId, kFileSystemId, | 
|  | Service::UNMOUNT_REASON_USER)); | 
|  | ASSERT_EQ(1u, observer.unmounts.size()); | 
|  | EXPECT_EQ(base::File::FILE_ERROR_NOT_FOUND, observer.unmounts[0].error()); | 
|  | ASSERT_EQ(1u, service_->GetProvidedFileSystemInfoList().size()); | 
|  |  | 
|  | std::vector<ProvidedFileSystemInfo> file_system_info_list = | 
|  | service_->GetProvidedFileSystemInfoList(); | 
|  | ASSERT_EQ(1u, file_system_info_list.size()); | 
|  |  | 
|  | service_->RemoveObserver(&observer); | 
|  | } | 
|  |  | 
|  | TEST_F(FileSystemProviderServiceTest, RestoreFileSystem_OnExtensionLoad) { | 
|  | LoggingObserver observer; | 
|  | service_->AddObserver(&observer); | 
|  |  | 
|  | // Remember a fake file system first in order to be able to restore it. | 
|  | MountOptions options(kFileSystemId, kDisplayName); | 
|  | options.supports_notify_tag = true; | 
|  | ProvidedFileSystemInfo file_system_info( | 
|  | kProviderId, options, base::FilePath(FILE_PATH_LITERAL("/a/b/c")), | 
|  | false /* configurable */, true /* watchable */, extensions::SOURCE_FILE, | 
|  | IconSet()); | 
|  | Watchers fake_watchers; | 
|  | fake_watchers[WatcherKey(fake_watcher_.entry_path, fake_watcher_.recursive)] = | 
|  | fake_watcher_; | 
|  | registry_->RememberFileSystem(file_system_info, fake_watchers); | 
|  |  | 
|  | EXPECT_EQ(0u, observer.mounts.size()); | 
|  |  | 
|  | scoped_refptr<extensions::Extension> extension = | 
|  | CreateFakeExtension(kExtensionId); | 
|  | extension_registry_->AddEnabled(extension); | 
|  |  | 
|  | // Directly call the observer's method. | 
|  | service_->OnExtensionLoaded(profile_, extension.get()); | 
|  |  | 
|  | ASSERT_EQ(1u, observer.mounts.size()); | 
|  | EXPECT_EQ(base::File::FILE_OK, observer.mounts[0].error()); | 
|  | EXPECT_EQ(MOUNT_CONTEXT_RESTORE, observer.mounts[0].context()); | 
|  |  | 
|  | EXPECT_EQ(file_system_info.provider_id(), | 
|  | observer.mounts[0].file_system_info().provider_id()); | 
|  | EXPECT_EQ(file_system_info.file_system_id(), | 
|  | observer.mounts[0].file_system_info().file_system_id()); | 
|  | EXPECT_EQ(file_system_info.writable(), | 
|  | observer.mounts[0].file_system_info().writable()); | 
|  | EXPECT_EQ(file_system_info.watchable(), | 
|  | observer.mounts[0].file_system_info().watchable()); | 
|  | EXPECT_EQ(file_system_info.supports_notify_tag(), | 
|  | observer.mounts[0].file_system_info().supports_notify_tag()); | 
|  |  | 
|  | std::vector<ProvidedFileSystemInfo> file_system_info_list = | 
|  | service_->GetProvidedFileSystemInfoList(); | 
|  | ASSERT_EQ(1u, file_system_info_list.size()); | 
|  |  | 
|  | ProvidedFileSystemInterface* const file_system = | 
|  | service_->GetProvidedFileSystem(kProviderId, kFileSystemId); | 
|  | ASSERT_TRUE(file_system); | 
|  |  | 
|  | const Watchers* const watchers = file_system->GetWatchers(); | 
|  | ASSERT_TRUE(watchers); | 
|  | ASSERT_EQ(1u, watchers->size()); | 
|  |  | 
|  | const Watchers::const_iterator restored_watcher_it = watchers->find( | 
|  | WatcherKey(fake_watcher_.entry_path, fake_watcher_.recursive)); | 
|  | ASSERT_NE(watchers->end(), restored_watcher_it); | 
|  |  | 
|  | EXPECT_EQ(fake_watcher_.entry_path, restored_watcher_it->second.entry_path); | 
|  | EXPECT_EQ(fake_watcher_.recursive, restored_watcher_it->second.recursive); | 
|  | EXPECT_EQ(fake_watcher_.last_tag, restored_watcher_it->second.last_tag); | 
|  |  | 
|  | service_->RemoveObserver(&observer); | 
|  | } | 
|  |  | 
|  | TEST_F(FileSystemProviderServiceTest, DoNotRememberNonPersistent) { | 
|  | LoggingObserver observer; | 
|  | service_->AddObserver(&observer); | 
|  | service_->RegisterProvider(FakeExtensionProvider::Create(kExtensionId)); | 
|  |  | 
|  | EXPECT_FALSE(registry_->file_system_info()); | 
|  | EXPECT_FALSE(registry_->watchers()); | 
|  |  | 
|  | MountOptions options(kFileSystemId, kDisplayName); | 
|  | options.persistent = false; | 
|  | EXPECT_EQ(base::File::FILE_OK, | 
|  | service_->MountFileSystem(kProviderId, options)); | 
|  | EXPECT_EQ(1u, observer.mounts.size()); | 
|  |  | 
|  | EXPECT_FALSE(registry_->file_system_info()); | 
|  |  | 
|  | service_->RemoveObserver(&observer); | 
|  | } | 
|  |  | 
|  | TEST_F(FileSystemProviderServiceTest, RememberFileSystem_OnMount) { | 
|  | LoggingObserver observer; | 
|  | service_->AddObserver(&observer); | 
|  | service_->RegisterProvider(FakeExtensionProvider::Create(kExtensionId)); | 
|  |  | 
|  | EXPECT_FALSE(registry_->file_system_info()); | 
|  | EXPECT_FALSE(registry_->watchers()); | 
|  |  | 
|  | EXPECT_EQ(base::File::FILE_OK, | 
|  | service_->MountFileSystem( | 
|  | kProviderId, MountOptions(kFileSystemId, kDisplayName))); | 
|  | ASSERT_EQ(1u, observer.mounts.size()); | 
|  |  | 
|  | ASSERT_TRUE(registry_->file_system_info()); | 
|  | EXPECT_EQ(kProviderId, registry_->file_system_info()->provider_id()); | 
|  | EXPECT_EQ(kFileSystemId, registry_->file_system_info()->file_system_id()); | 
|  | EXPECT_EQ(kDisplayName, registry_->file_system_info()->display_name()); | 
|  | EXPECT_FALSE(registry_->file_system_info()->writable()); | 
|  | EXPECT_FALSE(registry_->file_system_info()->configurable()); | 
|  | EXPECT_FALSE(registry_->file_system_info()->watchable()); | 
|  | EXPECT_FALSE(registry_->file_system_info()->supports_notify_tag()); | 
|  | ASSERT_TRUE(registry_->watchers()); | 
|  |  | 
|  | service_->RemoveObserver(&observer); | 
|  | } | 
|  |  | 
|  | TEST_F(FileSystemProviderServiceTest, RememberFileSystem_OnUnmountOnShutdown) { | 
|  | LoggingObserver observer; | 
|  | service_->AddObserver(&observer); | 
|  | service_->RegisterProvider(FakeExtensionProvider::Create(kExtensionId)); | 
|  |  | 
|  | { | 
|  | EXPECT_FALSE(registry_->file_system_info()); | 
|  | EXPECT_FALSE(registry_->watchers()); | 
|  | EXPECT_EQ(base::File::FILE_OK, | 
|  | service_->MountFileSystem( | 
|  | kProviderId, MountOptions(kFileSystemId, kDisplayName))); | 
|  |  | 
|  | EXPECT_EQ(1u, observer.mounts.size()); | 
|  | EXPECT_TRUE(registry_->file_system_info()); | 
|  | EXPECT_TRUE(registry_->watchers()); | 
|  | } | 
|  |  | 
|  | { | 
|  | EXPECT_EQ(base::File::FILE_OK, | 
|  | service_->UnmountFileSystem(kProviderId, kFileSystemId, | 
|  | Service::UNMOUNT_REASON_SHUTDOWN)); | 
|  |  | 
|  | EXPECT_EQ(1u, observer.unmounts.size()); | 
|  | EXPECT_TRUE(registry_->file_system_info()); | 
|  | EXPECT_TRUE(registry_->watchers()); | 
|  | } | 
|  |  | 
|  | service_->RemoveObserver(&observer); | 
|  | } | 
|  |  | 
|  | TEST_F(FileSystemProviderServiceTest, RememberFileSystem_OnUnmountByUser) { | 
|  | LoggingObserver observer; | 
|  | service_->AddObserver(&observer); | 
|  | service_->RegisterProvider(FakeExtensionProvider::Create(kExtensionId)); | 
|  |  | 
|  | { | 
|  | EXPECT_FALSE(registry_->file_system_info()); | 
|  | EXPECT_FALSE(registry_->watchers()); | 
|  | EXPECT_EQ(base::File::FILE_OK, | 
|  | service_->MountFileSystem( | 
|  | kProviderId, MountOptions(kFileSystemId, kDisplayName))); | 
|  |  | 
|  | EXPECT_EQ(1u, observer.mounts.size()); | 
|  | EXPECT_TRUE(registry_->file_system_info()); | 
|  | EXPECT_TRUE(registry_->watchers()); | 
|  | } | 
|  |  | 
|  | { | 
|  | EXPECT_EQ(base::File::FILE_OK, | 
|  | service_->UnmountFileSystem(kProviderId, kFileSystemId, | 
|  | Service::UNMOUNT_REASON_USER)); | 
|  |  | 
|  | EXPECT_EQ(1u, observer.unmounts.size()); | 
|  | EXPECT_FALSE(registry_->file_system_info()); | 
|  | EXPECT_FALSE(registry_->watchers()); | 
|  | } | 
|  |  | 
|  | service_->RemoveObserver(&observer); | 
|  | } | 
|  |  | 
|  | }  // namespace file_system_provider | 
|  | }  // namespace chromeos |