extensions/browser/mock_extension_system.h

   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 #ifndef EXTENSIONS_BROWSER_MOCK_EXTENSION_SYSTEM_H_
   6 #define EXTENSIONS_BROWSER_MOCK_EXTENSION_SYSTEM_H_
   7
   8 #include "components/keyed_service/content/browser_context_dependency_manager.h"
   9 #include "extensions/browser/extension_registry_factory.h"
  10 #include "extensions/browser/extension_system.h"
  11 #include "extensions/browser/extension_system_provider.h"
  12 #include "extensions/common/one_shot_event.h"
  13
  14 namespace extensions {
  15
  16 // An empty ExtensionSystem for testing. Tests that need only specific
  17 // parts of ExtensionSystem should derive from this class and override
  18 // functions as needed. To use this, use
  19 // TestExtensionsBrowserClient::set_extension_system_factory
  20 // with the MockExtensionSystemFactory below.
  21 class MockExtensionSystem : public ExtensionSystem {
  22  public:
  23   explicit MockExtensionSystem(content::BrowserContext* context);
  24   ~MockExtensionSystem() override;
  25
  26   content::BrowserContext* browser_context() { return browser_context_; }
  27
  28   // ExtensionSystem overrides:
  29   void InitForRegularProfile(bool extensions_enabled) override;
  30   ExtensionService* extension_service() override;
  31   RuntimeData* runtime_data() override;
  32   ManagementPolicy* management_policy() override;
  33   SharedUserScriptMaster* shared_user_script_master() override;
  34   StateStore* state_store() override;
  35   StateStore* rules_store() override;
  36   InfoMap* info_map() override;
  37   QuotaService* quota_service() override;
  38   const OneShotEvent& ready() const override;
  39   ContentVerifier* content_verifier() override;
  40   scoped_ptr<ExtensionSet> GetDependentExtensions(
  41       const Extension* extension) override;
  42
  43  private:
  44   content::BrowserContext* browser_context_;
  45   OneShotEvent ready_;
  46
  47   DISALLOW_COPY_AND_ASSIGN(MockExtensionSystem);
  48 };
  49
  50 // A factory to create a MockExtensionSystem. Sample use:
  51 //
  52 // MockExtensionSystemFactory<MockExtensionSystemSubclass> factory;
  53 // TestExtensionsBrowserClient::set_extension_system_factory(factory);
  54 template <typename T>
  55 class MockExtensionSystemFactory : public ExtensionSystemProvider {
  56  public:
  57   MockExtensionSystemFactory()
  58       : ExtensionSystemProvider(
  59             "MockExtensionSystem",
  60             BrowserContextDependencyManager::GetInstance()) {
  61     DependsOn(ExtensionRegistryFactory::GetInstance());
  62   }
  63
  64   ~MockExtensionSystemFactory() override {}
  65
  66   // BrowserContextKeyedServiceFactory overrides:
  67   KeyedService* BuildServiceInstanceFor(
  68       content::BrowserContext* context) const override {
  69     return new T(context);
  70   }
  71
  72   // ExtensionSystemProvider overrides:
  73   ExtensionSystem* GetForBrowserContext(
  74       content::BrowserContext* context) override {
  75     return static_cast<ExtensionSystem*>(
  76         GetServiceForBrowserContext(context, true));
  77   }
  78
  79  private:
  80   DISALLOW_COPY_AND_ASSIGN(MockExtensionSystemFactory);
  81 };
  82
  83 }  // namespace extensions
  84
  85 #endif  // EXTENSIONS_BROWSER_MOCK_EXTENSION_SYSTEM_H_