text: // 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.
  
  #ifndef EXTENSIONS_BROWSER_API_STORAGE_SETTINGS_TEST_UTIL_H_
  #define EXTENSIONS_BROWSER_API_STORAGE_SETTINGS_TEST_UTIL_H_
  
  #include <set>
  #include <string>
  
  #include "base/compiler_specific.h"
  #include "base/memory/linked_ptr.h"
  #include "base/memory/ref_counted.h"
  #include "base/memory/scoped_ptr.h"
  #include "chrome/browser/extensions/test_extension_system.h"
  #include "chrome/test/base/testing_profile.h"
  #include "extensions/browser/api/storage/settings_namespace.h"
  #include "extensions/browser/api/storage/settings_storage_factory.h"
  #include "extensions/browser/event_router.h"
  #include "extensions/common/extension.h"
  
  class ValueStore;
  
  namespace extensions {
  
  class SettingsFrontend;
  // Utilities for extension settings API tests.
  namespace settings_test_util {
  
  // Synchronously gets the storage area for an extension from |frontend|.
  ValueStore* GetStorage(scoped_refptr<const Extension> extension,
                         settings_namespace::Namespace setting_namespace,
                         SettingsFrontend* frontend);
  
  // Synchronously gets the SYNC storage for an extension from |frontend|.
  ValueStore* GetStorage(scoped_refptr<const Extension> extension,
                         SettingsFrontend* frontend);
  
  // Creates an extension with |id| and adds it to the registry for |profile|.
  scoped_refptr<const Extension> AddExtensionWithId(Profile* profile,
                                                    const std::string& id,
                                                    Manifest::Type type);
  
  // Creates an extension with |id| with a set of |permissions| and adds it to
  // the registry for |profile|.
  scoped_refptr<const Extension> AddExtensionWithIdAndPermissions(
      Profile* profile,
      const std::string& id,
      Manifest::Type type,
      const std::set<std::string>& permissions);
  
  // A mock ExtensionSystem to serve an EventRouter.
  class MockExtensionSystem : public TestExtensionSystem {
   public:
    explicit MockExtensionSystem(Profile* profile);
    virtual ~MockExtensionSystem();
  
    virtual EventRouter* event_router() OVERRIDE;
  
   private:
    scoped_ptr<EventRouter> event_router_;
  
    DISALLOW_COPY_AND_ASSIGN(MockExtensionSystem);
  };
  
  // A Profile which returns an ExtensionSystem with enough functionality for
  // the tests.
  class MockProfile : public TestingProfile {
   public:
    explicit MockProfile(const base::FilePath& file_path);
    virtual ~MockProfile();
  };
  
  // SettingsStorageFactory which acts as a wrapper for other factories.
  class ScopedSettingsStorageFactory : public SettingsStorageFactory {
   public:
    ScopedSettingsStorageFactory();
  
    explicit ScopedSettingsStorageFactory(
        const scoped_refptr<SettingsStorageFactory>& delegate);
  
    // Sets the delegate factory (equivalent to scoped_ptr::reset).
    void Reset(const scoped_refptr<SettingsStorageFactory>& delegate);
  
    // SettingsStorageFactory implementation.
    virtual ValueStore* Create(const base::FilePath& base_path,
                               const std::string& extension_id) OVERRIDE;
    virtual void DeleteDatabaseIfExists(
        const base::FilePath& base_path,
        const std::string& extension_id) OVERRIDE;
  
   private:
    // SettingsStorageFactory is refcounted.
    virtual ~ScopedSettingsStorageFactory();
  
    scoped_refptr<SettingsStorageFactory> delegate_;
  };
  
  }  // namespace settings_test_util
  
  }  // namespace extensions
  
  #endif  // EXTENSIONS_BROWSER_API_STORAGE_SETTINGS_TEST_UTIL_H_
  