Add support for writing unit tests for Mojo-backed apps/extensions APIs.

extensions/renderer/dispatcher.cc

 // 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.
 
 #include "extensions/renderer/dispatcher.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/debug/alias.h"
@@ skipping 57 matching lines @@
 #include "extensions/renderer/script_context.h"
 #include "extensions/renderer/script_context_set.h"
 #include "extensions/renderer/script_injection.h"
 #include "extensions/renderer/script_injection_manager.h"
 #include "extensions/renderer/send_request_natives.h"
 #include "extensions/renderer/set_icon_natives.h"
 #include "extensions/renderer/test_features_native_handler.h"
 #include "extensions/renderer/user_gestures_native_handler.h"
 #include "extensions/renderer/utils_native_handler.h"
 #include "extensions/renderer/v8_context_native_handler.h"
+#include "grit/content_resources.h"
 #include "grit/extensions_renderer_resources.h"
+#include "mojo/public/js/bindings/constants.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebURLRequest.h"
 #include "third_party/WebKit/public/web/WebCustomElement.h"
 #include "third_party/WebKit/public/web/WebDataSource.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
 #include "third_party/WebKit/public/web/WebScopedUserGesture.h"
 #include "third_party/WebKit/public/web/WebSecurityPolicy.h"
 #include "third_party/WebKit/public/web/WebView.h"
@@ skipping 367 matching lines @@
   }
 }
 
 void Dispatcher::ClearPortData(int port_id) {
   // Only the target port side has entries in |port_to_tab_id_map_|. If
   // |port_id| is a source port, std::map::erase() will just silently fail
   // here as a no-op.
   port_to_tab_id_map_.erase(port_id);
 }
 
+// static
+std::vector<std::pair<std::string, int> > Dispatcher::GetJsResources() {
+  std::vector<std::pair<std::string, int> > resources;
+
+  // Libraries.
+  resources.push_back(std::make_pair("entryIdManager", IDR_ENTRY_ID_MANAGER));
+  resources.push_back(std::make_pair(kEventBindings, IDR_EVENT_BINDINGS_JS));
+  resources.push_back(std::make_pair("imageUtil", IDR_IMAGE_UTIL_JS));
+  resources.push_back(std::make_pair("json_schema", IDR_JSON_SCHEMA_JS));
+  resources.push_back(std::make_pair("lastError", IDR_LAST_ERROR_JS));
+  resources.push_back(std::make_pair("messaging", IDR_MESSAGING_JS));
+  resources.push_back(
+      std::make_pair("messaging_utils", IDR_MESSAGING_UTILS_JS));
+  resources.push_back(std::make_pair(kSchemaUtils, IDR_SCHEMA_UTILS_JS));
+  resources.push_back(std::make_pair("sendRequest", IDR_SEND_REQUEST_JS));
+  resources.push_back(std::make_pair("setIcon", IDR_SET_ICON_JS));
+  resources.push_back(std::make_pair("test", IDR_TEST_CUSTOM_BINDINGS_JS));
+  resources.push_back(
+      std::make_pair("test_environment_specific_bindings",
+                     IDR_BROWSER_TEST_ENVIRONMENT_SPECIFIC_BINDINGS_JS));
+  resources.push_back(std::make_pair("uncaught_exception_handler",
+                                     IDR_UNCAUGHT_EXCEPTION_HANDLER_JS));
+  resources.push_back(std::make_pair("unload_event", IDR_UNLOAD_EVENT_JS));
+  resources.push_back(std::make_pair("utils", IDR_UTILS_JS));
+  resources.push_back(
+      std::make_pair(mojo::kCodecModuleName, IDR_MOJO_CODEC_JS));

[not at google - send to devlin, 2014/07/25 00:17:57]

this mojo stuff is new. will it be needed outside a testing environment?

[Sam McNally, 2014/07/25 07:38:59]

They will eventually, but not yet.

+  resources.push_back(
+      std::make_pair(mojo::kConnectionModuleName, IDR_MOJO_CONNECTION_JS));
+  resources.push_back(
+      std::make_pair(mojo::kConnectorModuleName, IDR_MOJO_CONNECTOR_JS));
+  resources.push_back(
+      std::make_pair(mojo::kRouterModuleName, IDR_MOJO_ROUTER_JS));
+  resources.push_back(
+      std::make_pair(mojo::kUnicodeModuleName, IDR_MOJO_UNICODE_JS));
+
+  // Custom bindings.
+  resources.push_back(
+      std::make_pair("app.runtime", IDR_APP_RUNTIME_CUSTOM_BINDINGS_JS));
+  resources.push_back(
+      std::make_pair("contextMenus", IDR_CONTEXT_MENUS_CUSTOM_BINDINGS_JS));
+  resources.push_back(
+      std::make_pair("extension", IDR_EXTENSION_CUSTOM_BINDINGS_JS));
+  resources.push_back(std::make_pair("i18n", IDR_I18N_CUSTOM_BINDINGS_JS));
+  resources.push_back(
+      std::make_pair("permissions", IDR_PERMISSIONS_CUSTOM_BINDINGS_JS));
+  resources.push_back(
+      std::make_pair("runtime", IDR_RUNTIME_CUSTOM_BINDINGS_JS));
+  resources.push_back(std::make_pair("binding", IDR_BINDING_JS));
+
+  // Custom types sources.
+  resources.push_back(std::make_pair("StorageArea", IDR_STORAGE_AREA_JS));
+
+  // Platform app sources that are not API-specific..
+  resources.push_back(std::make_pair("platformApp", IDR_PLATFORM_APP_JS));
+
+  return resources;
+}
+
 bool Dispatcher::OnControlMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(Dispatcher, message)
   IPC_MESSAGE_HANDLER(ExtensionMsg_ActivateExtension, OnActivateExtension)
   IPC_MESSAGE_HANDLER(ExtensionMsg_CancelSuspend, OnCancelSuspend)
   IPC_MESSAGE_HANDLER(ExtensionMsg_ClearTabSpecificPermissions,
                       OnClearTabSpecificPermissions)
   IPC_MESSAGE_HANDLER(ExtensionMsg_DeliverMessage, OnDeliverMessage)
   IPC_MESSAGE_HANDLER(ExtensionMsg_DispatchOnConnect, OnDispatchOnConnect)
   IPC_MESSAGE_HANDLER(ExtensionMsg_DispatchOnDisconnect, OnDispatchOnDisconnect)
@@ skipping 575 matching lines @@
   module_system->RegisterNativeHandler(
       "id_generator",
       scoped_ptr<NativeHandler>(new IdGeneratorCustomBindings(context)));
   module_system->RegisterNativeHandler(
       "runtime", scoped_ptr<NativeHandler>(new RuntimeCustomBindings(context)));
 
   delegate_->RegisterNativeHandlers(this, module_system, context);
 }
 
 void Dispatcher::PopulateSourceMap() {
-  // Libraries.
-  source_map_.RegisterSource("entryIdManager", IDR_ENTRY_ID_MANAGER);
-  source_map_.RegisterSource(kEventBindings, IDR_EVENT_BINDINGS_JS);
-  source_map_.RegisterSource("imageUtil", IDR_IMAGE_UTIL_JS);
-  source_map_.RegisterSource("json_schema", IDR_JSON_SCHEMA_JS);
-  source_map_.RegisterSource("lastError", IDR_LAST_ERROR_JS);
-  source_map_.RegisterSource("messaging", IDR_MESSAGING_JS);
-  source_map_.RegisterSource("messaging_utils", IDR_MESSAGING_UTILS_JS);
-  source_map_.RegisterSource(kSchemaUtils, IDR_SCHEMA_UTILS_JS);
-  source_map_.RegisterSource("sendRequest", IDR_SEND_REQUEST_JS);
-  source_map_.RegisterSource("setIcon", IDR_SET_ICON_JS);
-  source_map_.RegisterSource("test", IDR_TEST_CUSTOM_BINDINGS_JS);
-  source_map_.RegisterSource("uncaught_exception_handler",
-                             IDR_UNCAUGHT_EXCEPTION_HANDLER_JS);
-  source_map_.RegisterSource("unload_event", IDR_UNLOAD_EVENT_JS);
-  source_map_.RegisterSource("utils", IDR_UTILS_JS);
-
-  // Custom bindings.
-  source_map_.RegisterSource("app.runtime", IDR_APP_RUNTIME_CUSTOM_BINDINGS_JS);
-  source_map_.RegisterSource("contextMenus",
-                             IDR_CONTEXT_MENUS_CUSTOM_BINDINGS_JS);
-  source_map_.RegisterSource("extension", IDR_EXTENSION_CUSTOM_BINDINGS_JS);
-  source_map_.RegisterSource("i18n", IDR_I18N_CUSTOM_BINDINGS_JS);
-  source_map_.RegisterSource("permissions", IDR_PERMISSIONS_CUSTOM_BINDINGS_JS);
-  source_map_.RegisterSource("runtime", IDR_RUNTIME_CUSTOM_BINDINGS_JS);
-  source_map_.RegisterSource("binding", IDR_BINDING_JS);
-
-  // Custom types sources.
-  source_map_.RegisterSource("StorageArea", IDR_STORAGE_AREA_JS);
-
-  // Platform app sources that are not API-specific..
-  source_map_.RegisterSource("platformApp", IDR_PLATFORM_APP_JS);
-
+  const std::vector<std::pair<std::string, int> > resources = GetJsResources();
+  for (std::vector<std::pair<std::string, int> >::const_iterator resource =
+           resources.begin();
+       resource != resources.end();
+       ++resource) {
+    source_map_.RegisterSource(resource->first, resource->second);
+  }
   delegate_->PopulateSourceMap(&source_map_);
 }
 
 bool Dispatcher::IsWithinPlatformApp() {
   for (std::set<std::string>::iterator iter = active_extension_ids_.begin();
        iter != active_extension_ids_.end();
        ++iter) {
     const Extension* extension = extensions_.GetByID(*iter);
     if (extension && extension->is_platform_app())
       return true;
@@ skipping 130 matching lines @@
     return v8::Handle<v8::Object>();
 
   if (bind_name)
     *bind_name = split.back();
 
   return bind_object.IsEmpty() ? AsObjectOrEmpty(GetOrCreateChrome(context))
                                : bind_object;
 }
 
 }  // namespace extensions