chrome/browser/chromeos/file_manager/file_manager

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This source file includes following definitions.
MapStringToEntryType
MapStringToSharedOption
MapStringToTargetVolume
MapStringToTime
RegisterJSONConverter
RegisterJSONConverter
CreateRootDirectory
name
root_path
CreateEntry
UpdateModifiedTime
Mount
Mount
integration_service_
CreateEntry
CreateDirectory
CreateFile
CheckForUpdates
ConfigureShareUrlBase
CreateDriveIntegrationService
GetNextMessage
Observe
SetUpInProcessBrowserTestFixture
SetUpOnMainThread
SetUpCommandLine
StartTest
OnMessage
CreateDriveIntegrationService
GetGuestModeParam
GetTestCaseNameParam
IN_PROC_BROWSER_TEST_P
SetUpCommandLine
SetUpOnMainThread
AddAllUsers
AddExtraUsersForStressTesting
profile
set_test_case_name
AddUser
GetGuestModeParam
GetTestCaseNameParam
OnMessage
IN_PROC_BROWSER_TEST_F
IN_PROC_BROWSER_TEST_F
IN_PROC_BROWSER_TEST_F
IN_PROC_BROWSER_TEST_F
IN_PROC_BROWSER_TEST_F
IN_PROC_BROWSER_TEST_F
IN_PROC_BROWSER_TEST_F
IN_PROC_BROWSER_TEST_F
IN_PROC_BROWSER_TEST_F
IN_PROC_BROWSER_TEST_F
// Copyright (c) 2013 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.

// Browser test for basic Chrome OS file manager functionality:
//  - The file list is updated when a file is added externally to the Downloads
//    folder.
//  - Selecting a file and copy-pasting it with the keyboard copies the file.
//  - Selecting a file and pressing delete deletes it.

#include <deque>
#include <string>

#include "apps/app_window.h"
#include "apps/app_window_registry.h"
#include "ash/session_state_delegate.h"
#include "ash/shell.h"
#include "base/bind.h"
#include "base/callback.h"
#include "base/file_util.h"
#include "base/files/file_path.h"
#include "base/json/json_reader.h"
#include "base/json/json_value_converter.h"
#include "base/json/json_writer.h"
#include "base/prefs/pref_service.h"
#include "base/strings/string_piece.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "base/time/time.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/chromeos/drive/drive_integration_service.h"
#include "chrome/browser/chromeos/drive/file_system_interface.h"
#include "chrome/browser/chromeos/drive/test_util.h"
#include "chrome/browser/chromeos/file_manager/app_id.h"
#include "chrome/browser/chromeos/file_manager/drive_test_util.h"
#include "chrome/browser/chromeos/file_manager/path_util.h"
#include "chrome/browser/chromeos/file_manager/volume_manager.h"
#include "chrome/browser/chromeos/login/user_manager.h"
#include "chrome/browser/chromeos/profiles/profile_helper.h"
#include "chrome/browser/drive/fake_drive_service.h"
#include "chrome/browser/extensions/component_loader.h"
#include "chrome/browser/extensions/extension_apitest.h"
#include "chrome/browser/extensions/extension_test_message_listener.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/ui/ash/multi_user/multi_user_util.h"
#include "chrome/browser/ui/ash/multi_user/multi_user_window_manager.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
#include "chromeos/chromeos_switches.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/notification_service.h"
#include "content/public/test/test_utils.h"
#include "extensions/browser/api/test/test_api.h"
#include "extensions/common/extension.h"
#include "google_apis/drive/gdata_wapi_parser.h"
#include "google_apis/drive/test_util.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "webkit/browser/fileapi/external_mount_points.h"

using drive::DriveIntegrationServiceFactory;

namespace file_manager {
namespace {

enum EntryType {
  FILE,
  DIRECTORY,
};

enum TargetVolume { LOCAL_VOLUME, DRIVE_VOLUME, USB_VOLUME, };

enum SharedOption {
  NONE,
  SHARED,
};

enum GuestMode {
  NOT_IN_GUEST_MODE,
  IN_GUEST_MODE,
};

// This global operator is used from Google Test to format error messages.
std::ostream& operator<<(std::ostream& os, const GuestMode& guest_mode) {
  return os << (guest_mode == IN_GUEST_MODE ?
                "IN_GUEST_MODE" : "NOT_IN_GUEST_MODE");
}

// Maps the given string to EntryType. Returns true on success.
bool MapStringToEntryType(const base::StringPiece& value, EntryType* output) {
  if (value == "file")
    *output = FILE;
  else if (value == "directory")
    *output = DIRECTORY;
  else
    return false;
  return true;
}

// Maps the given string to SharedOption. Returns true on success.
bool MapStringToSharedOption(const base::StringPiece& value,
                             SharedOption* output) {
  if (value == "shared")
    *output = SHARED;
  else if (value == "none")
    *output = NONE;
  else
    return false;
  return true;
}

// Maps the given string to TargetVolume. Returns true on success.
bool MapStringToTargetVolume(const base::StringPiece& value,
                             TargetVolume* output) {
  if (value == "drive")
    *output = DRIVE_VOLUME;
  else if (value == "local")
    *output = LOCAL_VOLUME;
  else if (value == "usb")
    *output = USB_VOLUME;
  else
    return false;
  return true;
}

// Maps the given string to base::Time. Returns true on success.
bool MapStringToTime(const base::StringPiece& value, base::Time* time) {
  return base::Time::FromString(value.as_string().c_str(), time);
}

// Test data of file or directory.
struct TestEntryInfo {
  TestEntryInfo() : type(FILE), shared_option(NONE) {}

  TestEntryInfo(EntryType type,
                const std::string& source_file_name,
                const std::string& target_path,
                const std::string& mime_type,
                SharedOption shared_option,
                const base::Time& last_modified_time) :
      type(type),
      source_file_name(source_file_name),
      target_path(target_path),
      mime_type(mime_type),
      shared_option(shared_option),
      last_modified_time(last_modified_time) {
  }

  EntryType type;
  std::string source_file_name;  // Source file name to be used as a prototype.
  std::string target_path;  // Target file or directory path.
  std::string mime_type;
  SharedOption shared_option;
  base::Time last_modified_time;

  // Registers the member information to the given converter.
  static void RegisterJSONConverter(
      base::JSONValueConverter<TestEntryInfo>* converter);
};

// static
void TestEntryInfo::RegisterJSONConverter(
    base::JSONValueConverter<TestEntryInfo>* converter) {
  converter->RegisterCustomField("type",
                                 &TestEntryInfo::type,
                                 &MapStringToEntryType);
  converter->RegisterStringField("sourceFileName",
                                 &TestEntryInfo::source_file_name);
  converter->RegisterStringField("targetPath", &TestEntryInfo::target_path);
  converter->RegisterStringField("mimeType", &TestEntryInfo::mime_type);
  converter->RegisterCustomField("sharedOption",
                                 &TestEntryInfo::shared_option,
                                 &MapStringToSharedOption);
  converter->RegisterCustomField("lastModifiedTime",
                                 &TestEntryInfo::last_modified_time,
                                 &MapStringToTime);
}

// Message from JavaScript to add entries.
struct AddEntriesMessage {
  // Target volume to be added the |entries|.
  TargetVolume volume;

  // Entries to be added.
  ScopedVector<TestEntryInfo> entries;

  // Registers the member information to the given converter.
  static void RegisterJSONConverter(
      base::JSONValueConverter<AddEntriesMessage>* converter);
};


// static
void AddEntriesMessage::RegisterJSONConverter(
    base::JSONValueConverter<AddEntriesMessage>* converter) {
  converter->RegisterCustomField("volume",
                                 &AddEntriesMessage::volume,
                                 &MapStringToTargetVolume);
  converter->RegisterRepeatedMessage<TestEntryInfo>(
      "entries",
      &AddEntriesMessage::entries);
}

// Test volume.
class TestVolume {
 protected:
  explicit TestVolume(const std::string& name) : name_(name) {}
  virtual ~TestVolume() {}

  bool CreateRootDirectory(const Profile* profile) {
    return root_.Set(profile->GetPath().Append(name_));
  }

  const std::string& name() { return name_; }
  const base::FilePath root_path() { return root_.path(); }

 private:
  std::string name_;
  base::ScopedTempDir root_;
};

// The local volume class for test.
// This class provides the operations for a test volume that simulates local
// drive.
class LocalTestVolume : public TestVolume {
 public:
  explicit LocalTestVolume(const std::string& name) : TestVolume(name) {}
  virtual ~LocalTestVolume() {}

  // Adds this volume to the file system as a local volume. Returns true on
  // success.
  virtual bool Mount(Profile* profile) = 0;

  void CreateEntry(const TestEntryInfo& entry) {
    const base::FilePath target_path =
        root_path().AppendASCII(entry.target_path);

    entries_.insert(std::make_pair(target_path, entry));
    switch (entry.type) {
      case FILE: {
        const base::FilePath source_path =
            google_apis::test_util::GetTestFilePath("chromeos/file_manager").
            AppendASCII(entry.source_file_name);
        ASSERT_TRUE(base::CopyFile(source_path, target_path))
            << "Copy from " << source_path.value()
            << " to " << target_path.value() << " failed.";
        break;
      }
      case DIRECTORY:
        ASSERT_TRUE(base::CreateDirectory(target_path)) <<
            "Failed to create a directory: " << target_path.value();
        break;
    }
    ASSERT_TRUE(UpdateModifiedTime(entry));
  }

 private:
  // Updates ModifiedTime of the entry and its parents by referring
  // TestEntryInfo. Returns true on success.
  bool UpdateModifiedTime(const TestEntryInfo& entry) {
    const base::FilePath path = root_path().AppendASCII(entry.target_path);
    if (!base::TouchFile(path, entry.last_modified_time,
                         entry.last_modified_time))
      return false;

    // Update the modified time of parent directories because it may be also
    // affected by the update of child items.
    if (path.DirName() != root_path()) {
      const std::map<base::FilePath, const TestEntryInfo>::iterator it =
          entries_.find(path.DirName());
      if (it == entries_.end())
        return false;
      return UpdateModifiedTime(it->second);
    }
    return true;
  }

  std::map<base::FilePath, const TestEntryInfo> entries_;
};

class DownloadsTestVolume : public LocalTestVolume {
 public:
  DownloadsTestVolume() : LocalTestVolume("Downloads") {}
  virtual ~DownloadsTestVolume() {}

  virtual bool Mount(Profile* profile) OVERRIDE {
    return CreateRootDirectory(profile) &&
           VolumeManager::Get(profile)
               ->RegisterDownloadsDirectoryForTesting(root_path());
  }
};

class FakeUsbTestVolume : public LocalTestVolume {
 public:
  FakeUsbTestVolume() : LocalTestVolume("fake-usb") {}
  virtual ~FakeUsbTestVolume() {}

  virtual bool Mount(Profile* profile) OVERRIDE {
    if (!CreateRootDirectory(profile))
      return false;
    fileapi::ExternalMountPoints* const mount_points =
        fileapi::ExternalMountPoints::GetSystemInstance();

    // First revoke the existing mount point (if any).
    mount_points->RevokeFileSystem(name());
    const bool result =
        mount_points->RegisterFileSystem(name(),
                                         fileapi::kFileSystemTypeNativeLocal,
                                         fileapi::FileSystemMountOption(),
                                         root_path());
    if (!result)
      return false;

    VolumeManager::Get(profile)
        ->AddVolumeInfoForTesting(root_path(),
                                  VOLUME_TYPE_REMOVABLE_DISK_PARTITION,
                                  chromeos::DEVICE_TYPE_USB);
    return true;
  }
};

// The drive volume class for test.
// This class provides the operations for a test volume that simulates Google
// drive.
class DriveTestVolume : public TestVolume {
 public:
  DriveTestVolume() : TestVolume("drive"), integration_service_(NULL) {}
  virtual ~DriveTestVolume() {}

  void CreateEntry(const TestEntryInfo& entry) {
    const base::FilePath path =
        base::FilePath::FromUTF8Unsafe(entry.target_path);
    const std::string target_name = path.BaseName().AsUTF8Unsafe();

    // Obtain the parent entry.
    drive::FileError error = drive::FILE_ERROR_OK;
    scoped_ptr<drive::ResourceEntry> parent_entry(new drive::ResourceEntry);
    integration_service_->file_system()->GetResourceEntry(
        drive::util::GetDriveMyDriveRootPath().Append(path).DirName(),
        google_apis::test_util::CreateCopyResultCallback(
            &error, &parent_entry));
    drive::test_util::RunBlockingPoolTask();
    ASSERT_EQ(drive::FILE_ERROR_OK, error);
    ASSERT_TRUE(parent_entry);

    switch (entry.type) {
      case FILE:
        CreateFile(entry.source_file_name,
                   parent_entry->resource_id(),
                   target_name,
                   entry.mime_type,
                   entry.shared_option == SHARED,
                   entry.last_modified_time);
        break;
      case DIRECTORY:
        CreateDirectory(
            parent_entry->resource_id(), target_name, entry.last_modified_time);
        break;
    }
  }

  // Creates an empty directory with the given |name| and |modification_time|.
  void CreateDirectory(const std::string& parent_id,
                       const std::string& target_name,
                       const base::Time& modification_time) {
    google_apis::GDataErrorCode error = google_apis::GDATA_OTHER_ERROR;
    scoped_ptr<google_apis::ResourceEntry> resource_entry;
    fake_drive_service_->AddNewDirectory(
        parent_id,
        target_name,
        drive::DriveServiceInterface::AddNewDirectoryOptions(),
        google_apis::test_util::CreateCopyResultCallback(&error,
                                                         &resource_entry));
    base::MessageLoop::current()->RunUntilIdle();
    ASSERT_EQ(google_apis::HTTP_CREATED, error);
    ASSERT_TRUE(resource_entry);

    fake_drive_service_->SetLastModifiedTime(
        resource_entry->resource_id(),
        modification_time,
        google_apis::test_util::CreateCopyResultCallback(&error,
                                                         &resource_entry));
    base::MessageLoop::current()->RunUntilIdle();
    ASSERT_TRUE(error == google_apis::HTTP_SUCCESS);
    ASSERT_TRUE(resource_entry);
    CheckForUpdates();
  }

  // Creates a test file with the given spec.
  // Serves |test_file_name| file. Pass an empty string for an empty file.
  void CreateFile(const std::string& source_file_name,
                  const std::string& parent_id,
                  const std::string& target_name,
                  const std::string& mime_type,
                  bool shared_with_me,
                  const base::Time& modification_time) {
    google_apis::GDataErrorCode error = google_apis::GDATA_OTHER_ERROR;

    std::string content_data;
    if (!source_file_name.empty()) {
      base::FilePath source_file_path =
          google_apis::test_util::GetTestFilePath("chromeos/file_manager").
              AppendASCII(source_file_name);
      ASSERT_TRUE(base::ReadFileToString(source_file_path, &content_data));
    }

    scoped_ptr<google_apis::ResourceEntry> resource_entry;
    fake_drive_service_->AddNewFile(
        mime_type,
        content_data,
        parent_id,
        target_name,
        shared_with_me,
        google_apis::test_util::CreateCopyResultCallback(&error,
                                                         &resource_entry));
    base::MessageLoop::current()->RunUntilIdle();
    ASSERT_EQ(google_apis::HTTP_CREATED, error);
    ASSERT_TRUE(resource_entry);

    fake_drive_service_->SetLastModifiedTime(
        resource_entry->resource_id(),
        modification_time,
        google_apis::test_util::CreateCopyResultCallback(&error,
                                                         &resource_entry));
    base::MessageLoop::current()->RunUntilIdle();
    ASSERT_EQ(google_apis::HTTP_SUCCESS, error);
    ASSERT_TRUE(resource_entry);

    CheckForUpdates();
  }

  // Notifies FileSystem that the contents in FakeDriveService are
  // changed, hence the new contents should be fetched.
  void CheckForUpdates() {
    if (integration_service_ && integration_service_->file_system()) {
      integration_service_->file_system()->CheckForUpdates();
    }
  }

  // Sets the url base for the test server to be used to generate share urls
  // on the files and directories.
  void ConfigureShareUrlBase(const GURL& share_url_base) {
    fake_drive_service_->set_share_url_base(share_url_base);
  }

  drive::DriveIntegrationService* CreateDriveIntegrationService(
      Profile* profile) {
    profile_ = profile;
    fake_drive_service_ = new drive::FakeDriveService;
    fake_drive_service_->LoadAppListForDriveApi("drive/applist.json");

    if (!CreateRootDirectory(profile))
      return NULL;
    integration_service_ = new drive::DriveIntegrationService(
        profile, NULL, fake_drive_service_, std::string(), root_path(), NULL);
    return integration_service_;
  }

 private:
  Profile* profile_;
  drive::FakeDriveService* fake_drive_service_;
  drive::DriveIntegrationService* integration_service_;
};

// Listener to obtain the test relative messages synchronously.
class FileManagerTestListener : public content::NotificationObserver {
 public:
  struct Message {
    int type;
    std::string message;
    scoped_refptr<extensions::TestSendMessageFunction> function;
  };

  FileManagerTestListener() {
    registrar_.Add(this,
                   chrome::NOTIFICATION_EXTENSION_TEST_PASSED,
                   content::NotificationService::AllSources());
    registrar_.Add(this,
                   chrome::NOTIFICATION_EXTENSION_TEST_FAILED,
                   content::NotificationService::AllSources());
    registrar_.Add(this,
                   chrome::NOTIFICATION_EXTENSION_TEST_MESSAGE,
                   content::NotificationService::AllSources());
  }

  Message GetNextMessage() {
    if (messages_.empty())
      content::RunMessageLoop();
    const Message entry = messages_.front();
    messages_.pop_front();
    return entry;
  }

  virtual void Observe(int type,
                       const content::NotificationSource& source,
                       const content::NotificationDetails& details) OVERRIDE {
    Message entry;
    entry.type = type;
    entry.message = type != chrome::NOTIFICATION_EXTENSION_TEST_PASSED ?
        *content::Details<std::string>(details).ptr() :
        std::string();
    entry.function = type == chrome::NOTIFICATION_EXTENSION_TEST_MESSAGE ?
        content::Source<extensions::TestSendMessageFunction>(source).ptr() :
        NULL;
    messages_.push_back(entry);
    base::MessageLoopForUI::current()->Quit();
  }

 private:
  std::deque<Message> messages_;
  content::NotificationRegistrar registrar_;
};

// The base test class.
class FileManagerBrowserTestBase : public ExtensionApiTest {
 protected:
  virtual void SetUpInProcessBrowserTestFixture() OVERRIDE;

  virtual void SetUpOnMainThread() OVERRIDE;

  // Adds an incognito and guest-mode flags for tests in the guest mode.
  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE;

  // Loads our testing extension and sends it a string identifying the current
  // test.
  void StartTest();

  // Overriding point for test configurations.
  virtual GuestMode GetGuestModeParam() const = 0;
  virtual const char* GetTestCaseNameParam() const = 0;
  virtual std::string OnMessage(const std::string& name,
                                const base::Value* value);

  scoped_ptr<LocalTestVolume> local_volume_;
  linked_ptr<DriveTestVolume> drive_volume_;
  std::map<Profile*, linked_ptr<DriveTestVolume> > drive_volumes_;
  scoped_ptr<LocalTestVolume> usb_volume_;

 private:
  drive::DriveIntegrationService* CreateDriveIntegrationService(
      Profile* profile);
  DriveIntegrationServiceFactory::FactoryCallback
      create_drive_integration_service_;
  scoped_ptr<DriveIntegrationServiceFactory::ScopedFactoryForTest>
      service_factory_for_test_;
};

void FileManagerBrowserTestBase::SetUpInProcessBrowserTestFixture() {
  ExtensionApiTest::SetUpInProcessBrowserTestFixture();
  extensions::ComponentLoader::EnableBackgroundExtensionsForTesting();

  local_volume_.reset(new DownloadsTestVolume);
  if (GetGuestModeParam() != IN_GUEST_MODE) {
    create_drive_integration_service_ =
        base::Bind(&FileManagerBrowserTestBase::CreateDriveIntegrationService,
                   base::Unretained(this));
    service_factory_for_test_.reset(
        new DriveIntegrationServiceFactory::ScopedFactoryForTest(
            &create_drive_integration_service_));
  }
}

void FileManagerBrowserTestBase::SetUpOnMainThread() {
  ExtensionApiTest::SetUpOnMainThread();
  ASSERT_TRUE(local_volume_->Mount(profile()));

  if (GetGuestModeParam() != IN_GUEST_MODE) {
    // Install the web server to serve the mocked share dialog.
    ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
    const GURL share_url_base(embedded_test_server()->GetURL(
        "/chromeos/file_manager/share_dialog_mock/index.html"));
    drive_volume_ = drive_volumes_[profile()];
    drive_volume_->ConfigureShareUrlBase(share_url_base);
    test_util::WaitUntilDriveMountPointIsAdded(profile());
  }
}

void FileManagerBrowserTestBase::SetUpCommandLine(CommandLine* command_line) {
  if (GetGuestModeParam() == IN_GUEST_MODE) {
    command_line->AppendSwitch(chromeos::switches::kGuestSession);
    command_line->AppendSwitchNative(chromeos::switches::kLoginUser, "");
    command_line->AppendSwitch(switches::kIncognito);
  }
  ExtensionApiTest::SetUpCommandLine(command_line);
}

void FileManagerBrowserTestBase::StartTest() {
  // Launch the extension.
  base::FilePath path = test_data_dir_.AppendASCII("file_manager_browsertest");
  const extensions::Extension* extension = LoadExtensionAsComponent(path);
  ASSERT_TRUE(extension);

  // Handle the messages from JavaScript.
  // The while loop is break when the test is passed or failed.
  FileManagerTestListener listener;
  while (true) {
    FileManagerTestListener::Message entry = listener.GetNextMessage();
    if (entry.type == chrome::NOTIFICATION_EXTENSION_TEST_PASSED) {
      // Test succeed.
      break;
    } else if (entry.type == chrome::NOTIFICATION_EXTENSION_TEST_FAILED) {
      // Test failed.
      ADD_FAILURE() << entry.message;
      break;
    }

    // Parse the message value as JSON.
    const scoped_ptr<const base::Value> value(
        base::JSONReader::Read(entry.message));

    // If the message is not the expected format, just ignore it.
    const base::DictionaryValue* message_dictionary = NULL;
    std::string name;
    if (!value || !value->GetAsDictionary(&message_dictionary) ||
        !message_dictionary->GetString("name", &name))
      continue;

    entry.function->Reply(OnMessage(name, value.get()));
  }
}

std::string FileManagerBrowserTestBase::OnMessage(const std::string& name,
                                                  const base::Value* value) {
  if (name == "getTestName") {
    // Pass the test case name.
    return GetTestCaseNameParam();
  } else if (name == "getRootPaths") {
    // Pass the root paths.
    const scoped_ptr<base::DictionaryValue> res(new base::DictionaryValue());
    res->SetString("downloads",
        "/" + util::GetDownloadsMountPointName(profile()));
    res->SetString("drive",
        "/" + drive::util::GetDriveMountPointPath(profile()
            ).BaseName().AsUTF8Unsafe() + "/root");
    std::string jsonString;
    base::JSONWriter::Write(res.get(), &jsonString);
    return jsonString;
  } else if (name == "isInGuestMode") {
    // Obtain whether the test is in guest mode or not.
    return GetGuestModeParam() ? "true" : "false";
  } else if (name == "getCwsWidgetContainerMockUrl") {
    // Obtain whether the test is in guest mode or not.
    const GURL url = embedded_test_server()->GetURL(
          "/chromeos/file_manager/cws_container_mock/index.html");
    std::string origin = url.GetOrigin().spec();

    // Removes trailing a slash.
    if (*origin.rbegin() == '/')
      origin.resize(origin.length() - 1);

    const scoped_ptr<base::DictionaryValue> res(new base::DictionaryValue());
    res->SetString("url", url.spec());
    res->SetString("origin", origin);
    std::string jsonString;
    base::JSONWriter::Write(res.get(), &jsonString);
    return jsonString;
  } else if (name == "addEntries") {
    // Add entries to the specified volume.
    base::JSONValueConverter<AddEntriesMessage> add_entries_message_converter;
    AddEntriesMessage message;
    if (!add_entries_message_converter.Convert(*value, &message))
      return "onError";
    for (size_t i = 0; i < message.entries.size(); ++i) {
      switch (message.volume) {
        case LOCAL_VOLUME:
          local_volume_->CreateEntry(*message.entries[i]);
          break;
        case DRIVE_VOLUME:
          if (drive_volume_.get())
            drive_volume_->CreateEntry(*message.entries[i]);
          break;
        case USB_VOLUME:
          if (usb_volume_)
            usb_volume_->CreateEntry(*message.entries[i]);
          break;
        default:
          NOTREACHED();
          break;
      }
    }
    return "onEntryAdded";
  } else if (name == "mountFakeUsb") {
    usb_volume_.reset(new FakeUsbTestVolume());
    usb_volume_->Mount(profile());
    return "true";
  }
  return "unknownMessage";
}

drive::DriveIntegrationService*
FileManagerBrowserTestBase::CreateDriveIntegrationService(Profile* profile) {
  drive_volumes_[profile].reset(new DriveTestVolume());
  return drive_volumes_[profile]->CreateDriveIntegrationService(profile);
}

// Parameter of FileManagerBrowserTest.
// The second value is the case name of JavaScript.
typedef std::tr1::tuple<GuestMode, const char*> TestParameter;

// Test fixture class for normal (not multi-profile related) tests.
class FileManagerBrowserTest :
      public FileManagerBrowserTestBase,
      public ::testing::WithParamInterface<TestParameter> {
  virtual GuestMode GetGuestModeParam() const OVERRIDE {
    return std::tr1::get<0>(GetParam());
  }
  virtual const char* GetTestCaseNameParam() const OVERRIDE {
    return std::tr1::get<1>(GetParam());
  }
};

IN_PROC_BROWSER_TEST_P(FileManagerBrowserTest, Test) {
  StartTest();
}

INSTANTIATE_TEST_CASE_P(
    FileDisplay,
    FileManagerBrowserTest,
    ::testing::Values(TestParameter(NOT_IN_GUEST_MODE, "fileDisplayDownloads"),
                      TestParameter(IN_GUEST_MODE, "fileDisplayDownloads"),
                      TestParameter(NOT_IN_GUEST_MODE, "fileDisplayDrive")));

INSTANTIATE_TEST_CASE_P(
    OpenSpecialTypes,
    FileManagerBrowserTest,
    ::testing::Values(TestParameter(IN_GUEST_MODE, "galleryOpenDownloads"),
                      TestParameter(NOT_IN_GUEST_MODE, "galleryOpenDownloads"),
                      TestParameter(NOT_IN_GUEST_MODE, "galleryOpenDrive"),
                      TestParameter(IN_GUEST_MODE, "zipOpenDownloads"),
                      TestParameter(NOT_IN_GUEST_MODE, "zipOpenDownloads")));
// http://crbug.com/348008
// DISABLED           TestParameter(NOT_IN_GUEST_MODE, "zipOpenDrive")));

INSTANTIATE_TEST_CASE_P(
    OpenVideoFiles,
    FileManagerBrowserTest,
    ::testing::Values(TestParameter(IN_GUEST_MODE, "videoOpenDownloads"),
                      TestParameter(NOT_IN_GUEST_MODE, "videoOpenDownloads"),
                      TestParameter(NOT_IN_GUEST_MODE, "videoOpenDrive")));

INSTANTIATE_TEST_CASE_P(
    OpenAudioFiles,
    FileManagerBrowserTest,
    ::testing::Values(
        TestParameter(IN_GUEST_MODE, "audioOpenDownloads"),
        TestParameter(NOT_IN_GUEST_MODE, "audioOpenDownloads"),
        TestParameter(NOT_IN_GUEST_MODE, "audioOpenDrive"),
        TestParameter(NOT_IN_GUEST_MODE, "audioAutoAdvanceDrive")));

INSTANTIATE_TEST_CASE_P(
    KeyboardOperations,
    FileManagerBrowserTest,
    ::testing::Values(TestParameter(IN_GUEST_MODE, "keyboardDeleteDownloads"),
                      TestParameter(NOT_IN_GUEST_MODE,
                                    "keyboardDeleteDownloads"),
                      TestParameter(NOT_IN_GUEST_MODE, "keyboardDeleteDrive"),
                      TestParameter(IN_GUEST_MODE, "keyboardCopyDownloads"),
                      TestParameter(NOT_IN_GUEST_MODE, "keyboardCopyDownloads"),
                      TestParameter(NOT_IN_GUEST_MODE, "keyboardCopyDrive"),
                      TestParameter(IN_GUEST_MODE,
                                    "createNewFolderDownloads"),
                      TestParameter(NOT_IN_GUEST_MODE,
                                    "createNewFolderDownloads"),
                      TestParameter(NOT_IN_GUEST_MODE,
                                    "createNewFolderDrive")));

INSTANTIATE_TEST_CASE_P(
    DriveSpecific,
    FileManagerBrowserTest,
    ::testing::Values(TestParameter(NOT_IN_GUEST_MODE, "openSidebarRecent"),
                      TestParameter(NOT_IN_GUEST_MODE, "openSidebarOffline"),
                      TestParameter(NOT_IN_GUEST_MODE,
                                    "openSidebarSharedWithMe"),
                      TestParameter(NOT_IN_GUEST_MODE, "autocomplete")));

INSTANTIATE_TEST_CASE_P(
    Transfer,
    FileManagerBrowserTest,
    ::testing::Values(TestParameter(NOT_IN_GUEST_MODE,
                                    "transferFromDriveToDownloads"),
                      TestParameter(NOT_IN_GUEST_MODE,
                                    "transferFromDownloadsToDrive"),
                      TestParameter(NOT_IN_GUEST_MODE,
                                    "transferFromSharedToDownloads"),
                      TestParameter(NOT_IN_GUEST_MODE,
                                    "transferFromSharedToDrive"),
                      TestParameter(NOT_IN_GUEST_MODE,
                                    "transferFromRecentToDownloads"),
                      TestParameter(NOT_IN_GUEST_MODE,
                                    "transferFromRecentToDrive"),
                      TestParameter(NOT_IN_GUEST_MODE,
                                    "transferFromOfflineToDownloads"),
                      TestParameter(NOT_IN_GUEST_MODE,
                                    "transferFromOfflineToDrive")));

INSTANTIATE_TEST_CASE_P(
     HideSearchBox,
     FileManagerBrowserTest,
     ::testing::Values(TestParameter(IN_GUEST_MODE, "hideSearchBox"),
                       TestParameter(NOT_IN_GUEST_MODE, "hideSearchBox")));

INSTANTIATE_TEST_CASE_P(
    RestorePrefs,
    FileManagerBrowserTest,
    ::testing::Values(TestParameter(IN_GUEST_MODE, "restoreSortColumn"),
                      TestParameter(NOT_IN_GUEST_MODE, "restoreSortColumn"),
                      TestParameter(IN_GUEST_MODE, "restoreCurrentView"),
                      TestParameter(NOT_IN_GUEST_MODE, "restoreCurrentView")));

INSTANTIATE_TEST_CASE_P(
    ShareDialog,
    FileManagerBrowserTest,
    ::testing::Values(TestParameter(NOT_IN_GUEST_MODE, "shareFile"),
                      TestParameter(NOT_IN_GUEST_MODE, "shareDirectory")));

INSTANTIATE_TEST_CASE_P(
    RestoreGeometry,
    FileManagerBrowserTest,
    ::testing::Values(TestParameter(NOT_IN_GUEST_MODE, "restoreGeometry"),
                      TestParameter(IN_GUEST_MODE, "restoreGeometry")));

INSTANTIATE_TEST_CASE_P(
    Traverse,
    FileManagerBrowserTest,
    ::testing::Values(TestParameter(IN_GUEST_MODE, "traverseDownloads"),
                      TestParameter(NOT_IN_GUEST_MODE, "traverseDownloads"),
                      TestParameter(NOT_IN_GUEST_MODE, "traverseDrive")));

INSTANTIATE_TEST_CASE_P(
    SuggestAppDialog,
    FileManagerBrowserTest,
    ::testing::Values(TestParameter(NOT_IN_GUEST_MODE, "suggestAppDialog")));

INSTANTIATE_TEST_CASE_P(
    ExecuteDefaultTaskOnDownloads,
    FileManagerBrowserTest,
    ::testing::Values(
        TestParameter(NOT_IN_GUEST_MODE, "executeDefaultTaskOnDownloads"),
        TestParameter(IN_GUEST_MODE, "executeDefaultTaskOnDownloads")));

INSTANTIATE_TEST_CASE_P(
    ExecuteDefaultTaskOnDrive,
    FileManagerBrowserTest,
    ::testing::Values(
        TestParameter(NOT_IN_GUEST_MODE, "executeDefaultTaskOnDrive")));

INSTANTIATE_TEST_CASE_P(
    NavigationList,
    FileManagerBrowserTest,
    ::testing::Values(TestParameter(NOT_IN_GUEST_MODE,
                                    "traverseNavigationList")));

INSTANTIATE_TEST_CASE_P(
    TabIndex,
    FileManagerBrowserTest,
    ::testing::Values(TestParameter(NOT_IN_GUEST_MODE, "searchBoxFocus")));

INSTANTIATE_TEST_CASE_P(
    Thumbnails,
    FileManagerBrowserTest,
    ::testing::Values(TestParameter(NOT_IN_GUEST_MODE, "thumbnailsDownloads"),
                      TestParameter(IN_GUEST_MODE, "thumbnailsDownloads")));

INSTANTIATE_TEST_CASE_P(
    CopyBetweenWindows,
    FileManagerBrowserTest,
    ::testing::Values(
        TestParameter(NOT_IN_GUEST_MODE, "copyBetweenWindowsLocalToDrive"),
        TestParameter(NOT_IN_GUEST_MODE, "copyBetweenWindowsLocalToUsb"),
        TestParameter(NOT_IN_GUEST_MODE, "copyBetweenWindowsUsbToDrive")));

// Structure to describe an account info.
struct TestAccountInfo {
  const char* const email;
  const char* const hash;
  const char* const display_name;
};

enum {
  DUMMY_ACCOUNT_INDEX = 0,
  PRIMARY_ACCOUNT_INDEX = 1,
  SECONDARY_ACCOUNT_INDEX_START = 2,
};

static const TestAccountInfo kTestAccounts[] = {
  {"__dummy__@invalid.domain", "hashdummy", "Dummy Account"},
  {"alice@invalid.domain", "hashalice", "Alice"},
  {"bob@invalid.domain", "hashbob", "Bob"},
  {"charlie@invalid.domain", "hashcharlie", "Charlie"},
};

// Test fixture class for testing multi-profile features.
class MultiProfileFileManagerBrowserTest : public FileManagerBrowserTestBase {
 protected:
  // Enables multi-profiles.
  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
    FileManagerBrowserTestBase::SetUpCommandLine(command_line);
    command_line->AppendSwitch(switches::kMultiProfiles);
    // Logs in to a dummy profile (For making MultiProfileWindowManager happy;
    // browser test creates a default window and the manager tries to assign a
    // user for it, and we need a profile connected to a user.)
    command_line->AppendSwitchASCII(chromeos::switches::kLoginUser,
                                    kTestAccounts[DUMMY_ACCOUNT_INDEX].email);
    command_line->AppendSwitchASCII(chromeos::switches::kLoginProfile,
                                    kTestAccounts[DUMMY_ACCOUNT_INDEX].hash);
  }

  // Logs in to the primary profile of this test.
  virtual void SetUpOnMainThread() OVERRIDE {
    const TestAccountInfo& info = kTestAccounts[PRIMARY_ACCOUNT_INDEX];

    AddUser(info, true);
    chromeos::UserManager* const user_manager = chromeos::UserManager::Get();
    if (user_manager->GetActiveUser() != user_manager->FindUser(info.email))
      chromeos::UserManager::Get()->SwitchActiveUser(info.email);
    FileManagerBrowserTestBase::SetUpOnMainThread();
  }

  // Loads all users to the current session and sets up necessary fields.
  // This is used for preparing all accounts in PRE_ test setup, and for testing
  // actual login behavior.
  void AddAllUsers() {
    for (size_t i = 0; i < arraysize(kTestAccounts); ++i)
      AddUser(kTestAccounts[i], i >= SECONDARY_ACCOUNT_INDEX_START);
  }

  // Add as many as users
  void AddExtraUsersForStressTesting() {
    ash::Shell* const shell = ash::Shell::GetInstance();
    const size_t maxLogin =
        shell->session_state_delegate()->GetMaximumNumberOfLoggedInUsers();

    for (int i = 0; i + arraysize(kTestAccounts) < maxLogin; ++i) {
      const std::string email = base::StringPrintf("user%d@invalid.domain", i);
      const std::string hash = base::StringPrintf("hashuser%d", i);
      const std::string name = base::StringPrintf("Additional User %d", i);
      const TestAccountInfo info = {email.c_str(), hash.c_str(), name.c_str()};
      AddUser(info, true);
    }
  }

  // Returns primary profile (if it is already created.)
  virtual Profile* profile() OVERRIDE {
    Profile* const profile = chromeos::ProfileHelper::GetProfileByUserIdHash(
        kTestAccounts[PRIMARY_ACCOUNT_INDEX].hash);
    return profile ? profile : FileManagerBrowserTestBase::profile();
  }

  // Sets the test case name (used as a function name in test_cases.js to call.)
  void set_test_case_name(const std::string& name) { test_case_name_ = name; }

  // Adds a new user for testing to the current session.
  void AddUser(const TestAccountInfo& info, bool log_in) {
    chromeos::UserManager* const user_manager = chromeos::UserManager::Get();
    if (log_in)
      user_manager->UserLoggedIn(info.email, info.hash, false);
    user_manager->SaveUserDisplayName(info.email,
                                      base::UTF8ToUTF16(info.display_name));
    chromeos::ProfileHelper::GetProfileByUserIdHash(info.hash)->GetPrefs()->
        SetString(prefs::kGoogleServicesUsername, info.email);
  }

 private:
  virtual GuestMode GetGuestModeParam() const OVERRIDE {
    return NOT_IN_GUEST_MODE;
  }

  virtual const char* GetTestCaseNameParam() const OVERRIDE {
    return test_case_name_.c_str();
  }

  virtual std::string OnMessage(const std::string& name,
                                const base::Value* value) OVERRIDE {
    if (name == "addAllUsers") {
      AddAllUsers();
      return "true";
    } else if (name == "getWindowOwnerId") {
      chrome::MultiUserWindowManager* const window_manager =
          chrome::MultiUserWindowManager::GetInstance();
      apps::AppWindowRegistry* const app_window_registry =
          apps::AppWindowRegistry::Get(profile());
      DCHECK(window_manager);
      DCHECK(app_window_registry);

      const apps::AppWindowRegistry::AppWindowList& list =
          app_window_registry->GetAppWindowsForApp(
              file_manager::kFileManagerAppId);
      return list.size() == 1u ?
          window_manager->GetUserPresentingWindow(
              list.front()->GetNativeWindow()) : "";
    }
    return FileManagerBrowserTestBase::OnMessage(name, value);
  }

  std::string test_case_name_;
};

IN_PROC_BROWSER_TEST_F(MultiProfileFileManagerBrowserTest, PRE_BasicDownloads) {
  AddAllUsers();
}

IN_PROC_BROWSER_TEST_F(MultiProfileFileManagerBrowserTest, BasicDownloads) {
  AddAllUsers();

  // Sanity check that normal operations work in multi-profile setting as well.
  set_test_case_name("keyboardCopyDownloads");
  StartTest();
}

IN_PROC_BROWSER_TEST_F(MultiProfileFileManagerBrowserTest, PRE_BasicDrive) {
  AddAllUsers();
}

IN_PROC_BROWSER_TEST_F(MultiProfileFileManagerBrowserTest, BasicDrive) {
  AddAllUsers();

  // Sanity check that normal operations work in multi-profile setting as well.
  set_test_case_name("keyboardCopyDrive");
  StartTest();
}

IN_PROC_BROWSER_TEST_F(MultiProfileFileManagerBrowserTest, PRE_Badge) {
  AddAllUsers();
}

IN_PROC_BROWSER_TEST_F(MultiProfileFileManagerBrowserTest, Badge) {
  // Test the profile badge to be correctly shown and hidden.
  set_test_case_name("multiProfileBadge");
  StartTest();
}

IN_PROC_BROWSER_TEST_F(MultiProfileFileManagerBrowserTest,
                       PRE_VisitDesktopMenu) {
  AddAllUsers();
}

IN_PROC_BROWSER_TEST_F(MultiProfileFileManagerBrowserTest, VisitDesktopMenu) {
  // Test for the menu item for visiting other profile's desktop.
  set_test_case_name("multiProfileVisitDesktopMenu");
  StartTest();
}

// TODO(kinaba): investigate the flakiness.
IN_PROC_BROWSER_TEST_F(MultiProfileFileManagerBrowserTest,
                       DISABLED_PRE_MaxUser) {
  AddAllUsers();
  AddExtraUsersForStressTesting();
}

IN_PROC_BROWSER_TEST_F(MultiProfileFileManagerBrowserTest,
                       DISABLED_MaxUser) {
  // Run the same test as VisitDesktopMenu with maximum number of users logged
  // in and checks that nothing goes wrong. Here, the primary user (alice) logs
  // in first, then the "extra" users follow, and then lastly the other users
  // (bob and charlie) are added in the test. Thus the existing test verifies
  // that the feature is effectively working with lastly logged in users.
  AddExtraUsersForStressTesting();

  set_test_case_name("multiProfileVisitDesktopMenu");
  StartTest();
}

}  // namespace
}  // namespace file_manager
/* [<][>][^][v][top][bottom][index][help] */
root/chrome/browser/chromeos/file_manager/file_manager_browsertest.cc

DEFINITIONS
