src/components/storage_monitor/storage_monitor_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 "components/storage_monitor/storage_monitor_chromeos.h"
   6
   7 #include "base/file_util.h"
   8 #include "base/files/scoped_temp_dir.h"
   9 #include "base/logging.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/run_loop.h"
  12 #include "base/strings/utf_string_conversions.h"
  13 #include "chromeos/disks/mock_disk_mount_manager.h"
  14 #include "components/storage_monitor/mock_removable_storage_observer.h"
  15 #include "components/storage_monitor/removable_device_constants.h"
  16 #include "components/storage_monitor/storage_info.h"
  17 #include "components/storage_monitor/test_media_transfer_protocol_manager_linux.h"
  18 #include "components/storage_monitor/test_storage_monitor.h"
  19 #include "content/public/browser/browser_thread.h"
  20 #include "content/public/test/test_browser_thread_bundle.h"
  21 #include "testing/gtest/include/gtest/gtest.h"
  22
  23 namespace storage_monitor {
  24
  25 namespace {
  26
  27 using content::BrowserThread;
  28 using chromeos::disks::DiskMountManager;
  29 using testing::_;
  30
  31 const char kDevice1[] = "/dev/d1";
  32 const char kDevice1Name[] = "d1";
  33 const char kDevice2[] = "/dev/disk/d2";
  34 const char kDevice2Name[] = "d2";
  35 const char kEmptyDeviceLabel[] = "";
  36 const char kMountPointA[] = "mnt_a";
  37 const char kMountPointB[] = "mnt_b";
  38 const char kSDCardDeviceName1[] = "8.6 MB Amy_SD";
  39 const char kSDCardDeviceName2[] = "8.6 MB SD Card";
  40 const char kSDCardMountPoint1[] = "media/removable/Amy_SD";
  41 const char kSDCardMountPoint2[] = "media/removable/SD Card";
  42 const char kProductName[] = "Z101";
  43 const char kUniqueId1[] = "FFFF-FFFF";
  44 const char kUniqueId2[] = "FFFF-FF0F";
  45 const char kVendorName[] = "CompanyA";
  46
  47 uint64 kDevice1SizeInBytes = 113048;
  48 uint64 kDevice2SizeInBytes = 212312;
  49 uint64 kSDCardSizeInBytes = 9000000;
  50
  51 std::string GetDCIMDeviceId(const std::string& unique_id) {
  52   return StorageInfo::MakeDeviceId(
  53       StorageInfo::REMOVABLE_MASS_STORAGE_WITH_DCIM,
  54       kFSUniqueIdPrefix + unique_id);
  55 }
  56
  57 // A test version of StorageMonitorCros that exposes protected methods to tests.
  58 class TestStorageMonitorCros : public StorageMonitorCros {
  59  public:
  60   TestStorageMonitorCros() {}
  61
  62   virtual ~TestStorageMonitorCros() {}
  63
  64   virtual void Init() OVERRIDE {
  65     SetMediaTransferProtocolManagerForTest(
  66         new TestMediaTransferProtocolManagerLinux());
  67     StorageMonitorCros::Init();
  68   }
  69
  70   virtual void OnMountEvent(DiskMountManager::MountEvent event,
  71       chromeos::MountError error_code,
  72       const DiskMountManager::MountPointInfo& mount_info) OVERRIDE {
  73     StorageMonitorCros::OnMountEvent(event, error_code, mount_info);
  74   }
  75
  76   virtual bool GetStorageInfoForPath(const base::FilePath& path,
  77                                      StorageInfo* device_info) const OVERRIDE {
  78     return StorageMonitorCros::GetStorageInfoForPath(path, device_info);
  79   }
  80   virtual void EjectDevice(
  81       const std::string& device_id,
  82       base::Callback<void(EjectStatus)> callback) OVERRIDE {
  83     StorageMonitorCros::EjectDevice(device_id, callback);
  84   }
  85
  86  private:
  87   DISALLOW_COPY_AND_ASSIGN(TestStorageMonitorCros);
  88 };
  89
  90 // Wrapper class to test StorageMonitorCros.
  91 class StorageMonitorCrosTest : public testing::Test {
  92  public:
  93   StorageMonitorCrosTest();
  94   virtual ~StorageMonitorCrosTest();
  95
  96   void EjectNotify(StorageMonitor::EjectStatus status);
  97
  98  protected:
  99   // testing::Test:
 100   virtual void SetUp() OVERRIDE;
 101   virtual void TearDown() OVERRIDE;
 102
 103   void MountDevice(chromeos::MountError error_code,
 104                    const DiskMountManager::MountPointInfo& mount_info,
 105                    const std::string& unique_id,
 106                    const std::string& device_label,
 107                    const std::string& vendor_name,
 108                    const std::string& product_name,
 109                    chromeos::DeviceType device_type,
 110                    uint64 device_size_in_bytes);
 111
 112   void UnmountDevice(chromeos::MountError error_code,
 113                      const DiskMountManager::MountPointInfo& mount_info);
 114
 115   uint64 GetDeviceStorageSize(const std::string& device_location);
 116
 117   // Create a directory named |dir| relative to the test directory.
 118   // Set |with_dcim_dir| to true if the created directory will have a "DCIM"
 119   // subdirectory.
 120   // Returns the full path to the created directory on success, or an empty
 121   // path on failure.
 122   base::FilePath CreateMountPoint(const std::string& dir, bool with_dcim_dir);
 123
 124   static void PostQuitToUIThread();
 125   static void WaitForFileThread();
 126
 127   MockRemovableStorageObserver& observer() {
 128     return *mock_storage_observer_;
 129   }
 130
 131   TestStorageMonitorCros* monitor_;
 132
 133   // Owned by DiskMountManager.
 134   chromeos::disks::MockDiskMountManager* disk_mount_manager_mock_;
 135
 136   StorageMonitor::EjectStatus status_;
 137
 138  private:
 139   content::TestBrowserThreadBundle thread_bundle_;
 140
 141   // Temporary directory for created test data.
 142   base::ScopedTempDir scoped_temp_dir_;
 143
 144   // Objects that talks with StorageMonitorCros.
 145   scoped_ptr<MockRemovableStorageObserver> mock_storage_observer_;
 146
 147   DISALLOW_COPY_AND_ASSIGN(StorageMonitorCrosTest);
 148 };
 149
 150 StorageMonitorCrosTest::StorageMonitorCrosTest()
 151     : monitor_(NULL),
 152       disk_mount_manager_mock_(NULL),
 153       status_(StorageMonitor::EJECT_FAILURE),
 154       thread_bundle_(content::TestBrowserThreadBundle::REAL_FILE_THREAD) {
 155 }
 156
 157 StorageMonitorCrosTest::~StorageMonitorCrosTest() {
 158 }
 159
 160 void StorageMonitorCrosTest::SetUp() {
 161   ASSERT_TRUE(BrowserThread::CurrentlyOn(BrowserThread::UI));
 162   ASSERT_TRUE(scoped_temp_dir_.CreateUniqueTempDir());
 163   disk_mount_manager_mock_ = new chromeos::disks::MockDiskMountManager();
 164   DiskMountManager::InitializeForTesting(disk_mount_manager_mock_);
 165   disk_mount_manager_mock_->SetupDefaultReplies();
 166
 167   mock_storage_observer_.reset(new MockRemovableStorageObserver);
 168
 169   // Initialize the test subject.
 170   TestStorageMonitor::Destroy();
 171   monitor_ = new TestStorageMonitorCros();
 172   scoped_ptr<StorageMonitor> pass_monitor(monitor_);
 173   StorageMonitor::SetStorageMonitorForTesting(pass_monitor.Pass());
 174
 175   monitor_->Init();
 176   monitor_->AddObserver(mock_storage_observer_.get());
 177 }
 178
 179 void StorageMonitorCrosTest::TearDown() {
 180   monitor_->RemoveObserver(mock_storage_observer_.get());
 181   monitor_ = NULL;
 182
 183   disk_mount_manager_mock_ = NULL;
 184   DiskMountManager::Shutdown();
 185   WaitForFileThread();
 186 }
 187
 188 void StorageMonitorCrosTest::MountDevice(
 189     chromeos::MountError error_code,
 190     const DiskMountManager::MountPointInfo& mount_info,
 191     const std::string& unique_id,
 192     const std::string& device_label,
 193     const std::string& vendor_name,
 194     const std::string& product_name,
 195     chromeos::DeviceType device_type,
 196     uint64 device_size_in_bytes) {
 197   if (error_code == chromeos::MOUNT_ERROR_NONE) {
 198     disk_mount_manager_mock_->CreateDiskEntryForMountDevice(
 199         mount_info,
 200         unique_id,
 201         device_label,
 202         vendor_name,
 203         product_name,
 204         device_type,
 205         device_size_in_bytes,
 206         false /* is_parent */,
 207         true /* has_media */,
 208         false /* on_boot_device */);
 209   }
 210   monitor_->OnMountEvent(DiskMountManager::MOUNTING, error_code, mount_info);
 211   WaitForFileThread();
 212 }
 213
 214 void StorageMonitorCrosTest::UnmountDevice(
 215     chromeos::MountError error_code,
 216     const DiskMountManager::MountPointInfo& mount_info) {
 217   monitor_->OnMountEvent(DiskMountManager::UNMOUNTING, error_code, mount_info);
 218   if (error_code == chromeos::MOUNT_ERROR_NONE)
 219     disk_mount_manager_mock_->RemoveDiskEntryForMountDevice(mount_info);
 220   WaitForFileThread();
 221 }
 222
 223 uint64 StorageMonitorCrosTest::GetDeviceStorageSize(
 224     const std::string& device_location) {
 225   StorageInfo info;
 226   if (!monitor_->GetStorageInfoForPath(base::FilePath(device_location), &info))
 227     return 0;
 228
 229   return info.total_size_in_bytes();
 230 }
 231
 232 base::FilePath StorageMonitorCrosTest::CreateMountPoint(
 233     const std::string& dir, bool with_dcim_dir) {
 234   base::FilePath return_path(scoped_temp_dir_.path());
 235   return_path = return_path.AppendASCII(dir);
 236   base::FilePath path(return_path);
 237   if (with_dcim_dir)
 238     path = path.Append(kDCIMDirectoryName);
 239   if (!base::CreateDirectory(path))
 240     return base::FilePath();
 241   return return_path;
 242 }
 243
 244 // static
 245 void StorageMonitorCrosTest::PostQuitToUIThread() {
 246   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
 247                           base::MessageLoop::QuitClosure());
 248 }
 249
 250 // static
 251 void StorageMonitorCrosTest::WaitForFileThread() {
 252   BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
 253                           base::Bind(&PostQuitToUIThread));
 254   base::MessageLoop::current()->Run();
 255 }
 256
 257 void StorageMonitorCrosTest::EjectNotify(StorageMonitor::EjectStatus status) {
 258   status_ = status;
 259 }
 260
 261 // Simple test case where we attach and detach a media device.
 262 TEST_F(StorageMonitorCrosTest, BasicAttachDetach) {
 263   base::FilePath mount_path1 = CreateMountPoint(kMountPointA, true);
 264   ASSERT_FALSE(mount_path1.empty());
 265   DiskMountManager::MountPointInfo mount_info(
 266       kDevice1,
 267       mount_path1.value(),
 268       chromeos::MOUNT_TYPE_DEVICE,
 269       chromeos::disks::MOUNT_CONDITION_NONE);
 270   MountDevice(chromeos::MOUNT_ERROR_NONE,
 271               mount_info,
 272               kUniqueId1,
 273               kDevice1Name,
 274               kVendorName,
 275               kProductName,
 276               chromeos::DEVICE_TYPE_USB,
 277               kDevice1SizeInBytes);
 278   EXPECT_EQ(1, observer().attach_calls());
 279   EXPECT_EQ(0, observer().detach_calls());
 280   EXPECT_EQ(GetDCIMDeviceId(kUniqueId1),
 281             observer().last_attached().device_id());
 282   EXPECT_EQ(mount_path1.value(), observer().last_attached().location());
 283
 284   UnmountDevice(chromeos::MOUNT_ERROR_NONE, mount_info);
 285   EXPECT_EQ(1, observer().attach_calls());
 286   EXPECT_EQ(1, observer().detach_calls());
 287   EXPECT_EQ(GetDCIMDeviceId(kUniqueId1),
 288             observer().last_detached().device_id());
 289
 290   base::FilePath mount_path2 = CreateMountPoint(kMountPointB, true);
 291   ASSERT_FALSE(mount_path2.empty());
 292   DiskMountManager::MountPointInfo mount_info2(
 293       kDevice2,
 294       mount_path2.value(),
 295       chromeos::MOUNT_TYPE_DEVICE,
 296       chromeos::disks::MOUNT_CONDITION_NONE);
 297   MountDevice(chromeos::MOUNT_ERROR_NONE,
 298               mount_info2,
 299               kUniqueId2,
 300               kDevice2Name,
 301               kVendorName,
 302               kProductName,
 303               chromeos::DEVICE_TYPE_USB,
 304               kDevice2SizeInBytes);
 305   EXPECT_EQ(2, observer().attach_calls());
 306   EXPECT_EQ(1, observer().detach_calls());
 307   EXPECT_EQ(GetDCIMDeviceId(kUniqueId2),
 308             observer().last_attached().device_id());
 309   EXPECT_EQ(mount_path2.value(), observer().last_attached().location());
 310
 311   UnmountDevice(chromeos::MOUNT_ERROR_NONE, mount_info2);
 312   EXPECT_EQ(2, observer().attach_calls());
 313   EXPECT_EQ(2, observer().detach_calls());
 314   EXPECT_EQ(GetDCIMDeviceId(kUniqueId2),
 315             observer().last_detached().device_id());
 316 }
 317
 318 // Removable mass storage devices with no dcim folder are also recognized.
 319 TEST_F(StorageMonitorCrosTest, NoDCIM) {
 320   testing::Sequence mock_sequence;
 321   base::FilePath mount_path = CreateMountPoint(kMountPointA, false);
 322   const std::string kUniqueId = "FFFF-FFFF";
 323   ASSERT_FALSE(mount_path.empty());
 324   DiskMountManager::MountPointInfo mount_info(
 325       kDevice1,
 326       mount_path.value(),
 327       chromeos::MOUNT_TYPE_DEVICE,
 328       chromeos::disks::MOUNT_CONDITION_NONE);
 329   const std::string device_id = StorageInfo::MakeDeviceId(
 330       StorageInfo::REMOVABLE_MASS_STORAGE_NO_DCIM,
 331       kFSUniqueIdPrefix + kUniqueId);
 332   MountDevice(chromeos::MOUNT_ERROR_NONE,
 333               mount_info,
 334               kUniqueId,
 335               kDevice1Name,
 336               kVendorName,
 337               kProductName,
 338               chromeos::DEVICE_TYPE_USB,
 339               kDevice1SizeInBytes);
 340   EXPECT_EQ(1, observer().attach_calls());
 341   EXPECT_EQ(0, observer().detach_calls());
 342   EXPECT_EQ(device_id, observer().last_attached().device_id());
 343   EXPECT_EQ(mount_path.value(), observer().last_attached().location());
 344 }
 345
 346 // Non device mounts and mount errors are ignored.
 347 TEST_F(StorageMonitorCrosTest, Ignore) {
 348   testing::Sequence mock_sequence;
 349   base::FilePath mount_path = CreateMountPoint(kMountPointA, true);
 350   const std::string kUniqueId = "FFFF-FFFF";
 351   ASSERT_FALSE(mount_path.empty());
 352
 353   // Mount error.
 354   DiskMountManager::MountPointInfo mount_info(
 355       kDevice1,
 356       mount_path.value(),
 357       chromeos::MOUNT_TYPE_DEVICE,
 358       chromeos::disks::MOUNT_CONDITION_NONE);
 359   MountDevice(chromeos::MOUNT_ERROR_UNKNOWN,
 360               mount_info,
 361               kUniqueId,
 362               kDevice1Name,
 363               kVendorName,
 364               kProductName,
 365               chromeos::DEVICE_TYPE_USB,
 366               kDevice1SizeInBytes);
 367   EXPECT_EQ(0, observer().attach_calls());
 368   EXPECT_EQ(0, observer().detach_calls());
 369
 370   // Not a device
 371   mount_info.mount_type = chromeos::MOUNT_TYPE_ARCHIVE;
 372   MountDevice(chromeos::MOUNT_ERROR_NONE,
 373               mount_info,
 374               kUniqueId,
 375               kDevice1Name,
 376               kVendorName,
 377               kProductName,
 378               chromeos::DEVICE_TYPE_USB,
 379               kDevice1SizeInBytes);
 380   EXPECT_EQ(0, observer().attach_calls());
 381   EXPECT_EQ(0, observer().detach_calls());
 382
 383   // Unsupported file system.
 384   mount_info.mount_type = chromeos::MOUNT_TYPE_DEVICE;
 385   mount_info.mount_condition =
 386       chromeos::disks::MOUNT_CONDITION_UNSUPPORTED_FILESYSTEM;
 387   MountDevice(chromeos::MOUNT_ERROR_NONE,
 388               mount_info,
 389               kUniqueId,
 390               kDevice1Name,
 391               kVendorName,
 392               kProductName,
 393               chromeos::DEVICE_TYPE_USB,
 394               kDevice1SizeInBytes);
 395   EXPECT_EQ(0, observer().attach_calls());
 396   EXPECT_EQ(0, observer().detach_calls());
 397 }
 398
 399 TEST_F(StorageMonitorCrosTest, SDCardAttachDetach) {
 400   base::FilePath mount_path1 = CreateMountPoint(kSDCardMountPoint1, true);
 401   ASSERT_FALSE(mount_path1.empty());
 402   DiskMountManager::MountPointInfo mount_info1(
 403       kSDCardDeviceName1,
 404       mount_path1.value(),
 405       chromeos::MOUNT_TYPE_DEVICE,
 406       chromeos::disks::MOUNT_CONDITION_NONE);
 407   MountDevice(chromeos::MOUNT_ERROR_NONE,
 408               mount_info1,
 409               kUniqueId2,
 410               kSDCardDeviceName1,
 411               kVendorName,
 412               kProductName,
 413               chromeos::DEVICE_TYPE_SD,
 414               kSDCardSizeInBytes);
 415   EXPECT_EQ(1, observer().attach_calls());
 416   EXPECT_EQ(0, observer().detach_calls());
 417   EXPECT_EQ(GetDCIMDeviceId(kUniqueId2),
 418             observer().last_attached().device_id());
 419   EXPECT_EQ(mount_path1.value(), observer().last_attached().location());
 420
 421   UnmountDevice(chromeos::MOUNT_ERROR_NONE, mount_info1);
 422   EXPECT_EQ(1, observer().attach_calls());
 423   EXPECT_EQ(1, observer().detach_calls());
 424   EXPECT_EQ(GetDCIMDeviceId(kUniqueId2),
 425             observer().last_detached().device_id());
 426
 427   base::FilePath mount_path2 = CreateMountPoint(kSDCardMountPoint2, true);
 428   ASSERT_FALSE(mount_path2.empty());
 429   DiskMountManager::MountPointInfo mount_info2(
 430       kSDCardDeviceName2,
 431       mount_path2.value(),
 432       chromeos::MOUNT_TYPE_DEVICE,
 433       chromeos::disks::MOUNT_CONDITION_NONE);
 434   MountDevice(chromeos::MOUNT_ERROR_NONE,
 435               mount_info2,
 436               kUniqueId2,
 437               kSDCardDeviceName2,
 438               kVendorName,
 439               kProductName,
 440               chromeos::DEVICE_TYPE_SD,
 441               kSDCardSizeInBytes);
 442   EXPECT_EQ(2, observer().attach_calls());
 443   EXPECT_EQ(1, observer().detach_calls());
 444   EXPECT_EQ(GetDCIMDeviceId(kUniqueId2),
 445             observer().last_attached().device_id());
 446   EXPECT_EQ(mount_path2.value(), observer().last_attached().location());
 447
 448   UnmountDevice(chromeos::MOUNT_ERROR_NONE, mount_info2);
 449   EXPECT_EQ(2, observer().attach_calls());
 450   EXPECT_EQ(2, observer().detach_calls());
 451   EXPECT_EQ(GetDCIMDeviceId(kUniqueId2),
 452             observer().last_detached().device_id());
 453 }
 454
 455 TEST_F(StorageMonitorCrosTest, AttachDeviceWithEmptyLabel) {
 456   base::FilePath mount_path1 = CreateMountPoint(kMountPointA, true);
 457   ASSERT_FALSE(mount_path1.empty());
 458   DiskMountManager::MountPointInfo mount_info(
 459       kEmptyDeviceLabel,
 460       mount_path1.value(),
 461       chromeos::MOUNT_TYPE_DEVICE,
 462       chromeos::disks::MOUNT_CONDITION_NONE);
 463   MountDevice(chromeos::MOUNT_ERROR_NONE,
 464               mount_info,
 465               kUniqueId1,
 466               kEmptyDeviceLabel,
 467               kVendorName,
 468               kProductName,
 469               chromeos::DEVICE_TYPE_USB,
 470               kDevice1SizeInBytes);
 471   EXPECT_EQ(1, observer().attach_calls());
 472   EXPECT_EQ(0, observer().detach_calls());
 473   EXPECT_EQ(GetDCIMDeviceId(kUniqueId1),
 474             observer().last_attached().device_id());
 475   EXPECT_EQ(mount_path1.value(), observer().last_attached().location());
 476
 477   UnmountDevice(chromeos::MOUNT_ERROR_NONE, mount_info);
 478   EXPECT_EQ(1, observer().attach_calls());
 479   EXPECT_EQ(1, observer().detach_calls());
 480   EXPECT_EQ(GetDCIMDeviceId(kUniqueId1),
 481             observer().last_detached().device_id());
 482 }
 483
 484 TEST_F(StorageMonitorCrosTest, GetStorageSize) {
 485   base::FilePath mount_path1 = CreateMountPoint(kMountPointA, true);
 486   ASSERT_FALSE(mount_path1.empty());
 487   DiskMountManager::MountPointInfo mount_info(
 488       kEmptyDeviceLabel,
 489       mount_path1.value(),
 490       chromeos::MOUNT_TYPE_DEVICE,
 491       chromeos::disks::MOUNT_CONDITION_NONE);
 492   MountDevice(chromeos::MOUNT_ERROR_NONE,
 493               mount_info,
 494               kUniqueId1,
 495               kEmptyDeviceLabel,
 496               kVendorName,
 497               kProductName,
 498               chromeos::DEVICE_TYPE_USB,
 499               kDevice1SizeInBytes);
 500   EXPECT_EQ(1, observer().attach_calls());
 501   EXPECT_EQ(0, observer().detach_calls());
 502   EXPECT_EQ(GetDCIMDeviceId(kUniqueId1),
 503             observer().last_attached().device_id());
 504   EXPECT_EQ(mount_path1.value(), observer().last_attached().location());
 505
 506   EXPECT_EQ(kDevice1SizeInBytes, GetDeviceStorageSize(mount_path1.value()));
 507   UnmountDevice(chromeos::MOUNT_ERROR_NONE, mount_info);
 508   EXPECT_EQ(1, observer().attach_calls());
 509   EXPECT_EQ(1, observer().detach_calls());
 510   EXPECT_EQ(GetDCIMDeviceId(kUniqueId1),
 511             observer().last_detached().device_id());
 512 }
 513
 514 void UnmountFake(const std::string& location,
 515                  chromeos::UnmountOptions options,
 516                  const DiskMountManager::UnmountPathCallback& cb) {
 517   cb.Run(chromeos::MOUNT_ERROR_NONE);
 518 }
 519
 520 TEST_F(StorageMonitorCrosTest, EjectTest) {
 521   base::FilePath mount_path1 = CreateMountPoint(kMountPointA, true);
 522   ASSERT_FALSE(mount_path1.empty());
 523   DiskMountManager::MountPointInfo mount_info(
 524       kEmptyDeviceLabel,
 525       mount_path1.value(),
 526       chromeos::MOUNT_TYPE_DEVICE,
 527       chromeos::disks::MOUNT_CONDITION_NONE);
 528   MountDevice(chromeos::MOUNT_ERROR_NONE,
 529               mount_info,
 530               kUniqueId1,
 531               kEmptyDeviceLabel,
 532               kVendorName,
 533               kProductName,
 534               chromeos::DEVICE_TYPE_USB,
 535               kDevice1SizeInBytes);
 536   EXPECT_EQ(1, observer().attach_calls());
 537   EXPECT_EQ(0, observer().detach_calls());
 538
 539   ON_CALL(*disk_mount_manager_mock_, UnmountPath(_, _, _))
 540       .WillByDefault(testing::Invoke(&UnmountFake));
 541   EXPECT_CALL(*disk_mount_manager_mock_,
 542               UnmountPath(observer().last_attached().location(), _, _));
 543   monitor_->EjectDevice(observer().last_attached().device_id(),
 544                         base::Bind(&StorageMonitorCrosTest::EjectNotify,
 545                                    base::Unretained(this)));
 546   base::RunLoop().RunUntilIdle();
 547
 548   EXPECT_EQ(StorageMonitor::EJECT_OK, status_);
 549 }
 550
 551 }  // namespace
 552
 553 }  // namespace storage_monitor