Mocks for all libcros elements

chrome/browser/chromeos/cros/cros_library.h

 // Copyright (c) 2009 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 CHROME_BROWSER_CHROMEOS_CROS_CROS_LIBRARY_H_
 #define CHROME_BROWSER_CHROMEOS_CROS_CROS_LIBRARY_H_
 
 #include <string>
 #include "base/basictypes.h"
+#include "base/singleton.h"
 
 namespace chromeos {
 
-// This class handles the loading of the ChromeOS shared library.
+class CryptohomeLibrary;
+class LanguageLibrary;
+class LibraryLoader;
+class LoginLibrary;
+class MountLibrary;
+class NetworkLibrary;
+class PowerLibrary;
+class SynapticsLibrary;
+
+// This class handles access to sub-parts of ChromeOS library. it provides
+// a level of indirection so individual libraries that it exposes can
+// be mocked for testing.
 class CrosLibrary {
  public:
+
+  // This class provides access to internal members of CrosLibrary class for
+  // purpose of testing (i.e. replacement of members' implementation with
+  // mock objects).
+  class TestApi {
+   public:
+    // Setter for LibraryLoader.
+    void SetLibraryLoader(LibraryLoader* loader);
+    // Setter for CryptohomeLibrary.
+    void SetCryptohomeLibrary(CryptohomeLibrary* library);
+    // Setter for LanguageLibrary
+    void SetLanguageLibrary(LanguageLibrary* library);
+    // Setter for LoginLibrary.
+    void SetLoginLibrary(LoginLibrary* library);
+    // Setter for MountLibrary.
+    void SetMountLibrary(MountLibrary* library);
+    // Setter for NetworkLibrary.
+    void SetNetworkLibrary(NetworkLibrary* library);
+    // Setter for PowerLibrary.
+    void SetPowerLibrary(PowerLibrary* library);
+    // Setter for SynapticsLibrary.
+    void SetSynapticsLibrary(SynapticsLibrary* library);
+
+   private:
+    friend class CrosLibrary;
+    explicit TestApi(CrosLibrary* library) : library_(library) {}
+    CrosLibrary* library_;
+  };
+
+  // This gets the CrosLibrary.
+  static CrosLibrary* Get();
+
+  // Getter for CryptohomeLibrary.
+  CryptohomeLibrary* GetCryptohomeLibrary();
+
+  // // Getter for LanguageLibrary
+  LanguageLibrary* GetLanguageLibrary();
+
+  // Getter for LoginLibrary.
+  LoginLibrary* GetLoginLibrary();
+
+  // Getter for MountLibrary
+  MountLibrary* GetMountLibrary();
+
+  // Getter for NetworkLibrary
+  NetworkLibrary* GetNetworkLibrary();
+
+  // Getter for PowerLibrary
+  PowerLibrary* GetPowerLibrary();
+
+  // This gets the singleton SynapticsLibrary.
+  SynapticsLibrary* GetSynapticsLibrary();
+
+  // Getter for Test API that gives access to internal members of this class.
+  TestApi* GetTestApi();
+
   // Ensures that the library is loaded, loading it if needed. If the library
   // could not be loaded, returns false.
-  static bool EnsureLoaded();
+  bool EnsureLoaded();
 
   // Returns an unlocalized string describing the last load error (if any).
-  static const std::string& load_error_string() {
+  const std::string& load_error_string() {
     return load_error_string_;
   }
 
  private:
-  CrosLibrary() {}
-  ~CrosLibrary() {}
+  friend struct DefaultSingletonTraits<chromeos::CrosLibrary>;
+  friend class CrosLibrary::TestApi;
 
+  CrosLibrary();
+  virtual ~CrosLibrary();
+
+  LibraryLoader* library_loader_;
+  CryptohomeLibrary* crypto_lib_;
+  LanguageLibrary* language_lib_;
+  LoginLibrary* login_lib_;
+  MountLibrary* mount_lib_;
+  NetworkLibrary* network_lib_;
+  PowerLibrary* power_lib_;
+  SynapticsLibrary* synaptics_lib_;
   // True if libcros was successfully loaded.
-  static bool loaded_;
+  bool loaded_;
   // True if the last load attempt had an error.
-  static bool load_error_;
+  bool load_error_;
   // Contains the error string from the last load attempt.
-  static std::string load_error_string_;
+  std::string load_error_string_;
+  TestApi* test_api_;
 
   DISALLOW_COPY_AND_ASSIGN(CrosLibrary);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_CROS_CROS_LIBRARY_H_