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   void set_event_router(EventRouter* router) { event_router_ = router; }
  29
  30   // ExtensionSystem overrides:
  31   void InitForRegularProfile(bool extensions_enabled) override;
  32   ExtensionService* extension_service() override;
  33   RuntimeData* runtime_data() override;
  34   ManagementPolicy* management_policy() override;
  35   SharedUserScriptMaster* shared_user_script_master() override;
  36   StateStore* state_store() override;
  37   StateStore* rules_store() override;
  38   InfoMap* info_map() override;
  39   EventRouter* event_router() override;
  40   QuotaService* quota_service() override;
  41   const OneShotEvent& ready() const override;
  42   ContentVerifier* content_verifier() override;
  43   scoped_ptr<ExtensionSet> GetDependentExtensions(
  44       const Extension* extension) override;
  45
  46  private:
  47   content::BrowserContext* browser_context_;
  48   OneShotEvent ready_;
  49
  50   // Not owned, defaults to null.
  51   EventRouter* event_router_;
  52
  53   DISALLOW_COPY_AND_ASSIGN(MockExtensionSystem);
  54 };
  55
  56 // A factory to create a MockExtensionSystem. Sample use:
  57 //
  58 // MockExtensionSystemFactory<MockExtensionSystemSubclass> factory;
  59 // TestExtensionsBrowserClient::set_extension_system_factory(factory);
  60 template <typename T>
  61 class MockExtensionSystemFactory : public ExtensionSystemProvider {
  62  public:
  63   MockExtensionSystemFactory()
  64       : ExtensionSystemProvider(
  65             "MockExtensionSystem",
  66             BrowserContextDependencyManager::GetInstance()) {
  67     DependsOn(ExtensionRegistryFactory::GetInstance());
  68   }
  69
  70   ~MockExtensionSystemFactory() override {}
  71
  72   // BrowserContextKeyedServiceFactory overrides:
  73   KeyedService* BuildServiceInstanceFor(
  74       content::BrowserContext* context) const override {
  75     return new T(context);
  76   }
  77
  78   // ExtensionSystemProvider overrides:
  79   ExtensionSystem* GetForBrowserContext(
  80       content::BrowserContext* context) override {
  81     return static_cast<ExtensionSystem*>(
  82         GetServiceForBrowserContext(context, true));
  83   }
  84
  85  private:
  86   DISALLOW_COPY_AND_ASSIGN(MockExtensionSystemFactory);
  87 };
  88
  89 }  // namespace extensions
  90
  91 #endif  // EXTENSIONS_BROWSER_MOCK_EXTENSION_SYSTEM_H_