// Copyright (c) 2011 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 "base/values.h" #include "chrome/browser/extensions/extension_message_service.h" #include "chrome/common/extensions/extension_messages.h" #include "chrome/common/render_messages.h" #include "chrome/renderer/extensions/event_bindings.h" #include "chrome/test/render_view_test.h" #include "content/common/view_messages.h" #include "testing/gtest/include/gtest/gtest.h" static void DispatchOnConnect(int source_port_id, const std::string& name, const std::string& tab_json) { ListValue args; args.Set(0, Value::CreateIntegerValue(source_port_id)); args.Set(1, Value::CreateStringValue(name)); args.Set(2, Value::CreateStringValue(tab_json)); // Testing extensionId. Set in EventBindings::HandleContextCreated. // We use the same id for source & target to similute an extension "talking // to itself". args.Set(3, Value::CreateStringValue(EventBindings::kTestingExtensionId)); args.Set(4, Value::CreateStringValue(EventBindings::kTestingExtensionId)); EventBindings::CallFunction( "", ExtensionMessageService::kDispatchOnConnect, args, NULL, GURL()); } static void DispatchOnDisconnect(int source_port_id) { ListValue args; args.Set(0, Value::CreateIntegerValue(source_port_id)); EventBindings::CallFunction( "", ExtensionMessageService::kDispatchOnDisconnect, args, NULL, GURL()); } static void DispatchOnMessage(const std::string& message, int source_port_id) { ListValue args; args.Set(0, Value::CreateStringValue(message)); args.Set(1, Value::CreateIntegerValue(source_port_id)); EventBindings::CallFunction( "", ExtensionMessageService::kDispatchOnMessage, args, NULL, GURL()); } // Tests that the bindings for opening a channel to an extension and sending // and receiving messages through that channel all works. TEST_F(RenderViewTest, ExtensionMessagesOpenChannel) { render_thread_.sink().ClearMessages(); LoadHTML(""); ExecuteJavaScript( "var port = chrome.extension.connect({name:'testName'});" "port.onMessage.addListener(doOnMessage);" "port.postMessage({message: 'content ready'});" "function doOnMessage(msg, port) {" " alert('content got: ' + msg.val);" "}"); // Verify that we opened a channel and sent a message through it. const IPC::Message* open_channel_msg = render_thread_.sink().GetUniqueMessageMatching( ExtensionHostMsg_OpenChannelToExtension::ID); ASSERT_TRUE(open_channel_msg); void* iter = IPC::SyncMessage::GetDataIterator(open_channel_msg); ExtensionHostMsg_OpenChannelToExtension::SendParam open_params; ASSERT_TRUE(IPC::ReadParam(open_channel_msg, &iter, &open_params)); EXPECT_EQ("testName", open_params.d); const IPC::Message* post_msg = render_thread_.sink().GetUniqueMessageMatching( ExtensionHostMsg_PostMessage::ID); ASSERT_TRUE(post_msg); ExtensionHostMsg_PostMessage::Param post_params; ExtensionHostMsg_PostMessage::Read(post_msg, &post_params); EXPECT_EQ("{\"message\":\"content ready\"}", post_params.b); // Now simulate getting a message back from the other side. render_thread_.sink().ClearMessages(); const int kPortId = 0; DispatchOnMessage("{\"val\": 42}", kPortId); // Verify that we got it. const IPC::Message* alert_msg = render_thread_.sink().GetUniqueMessageMatching( ViewHostMsg_RunJavaScriptMessage::ID); ASSERT_TRUE(alert_msg); iter = IPC::SyncMessage::GetDataIterator(alert_msg); ViewHostMsg_RunJavaScriptMessage::SendParam alert_param; ASSERT_TRUE(IPC::ReadParam(alert_msg, &iter, &alert_param)); EXPECT_EQ(L"content got: 42", alert_param.a); } // Tests that the bindings for handling a new channel connection and channel // closing all works. TEST_F(RenderViewTest, ExtensionMessagesOnConnect) { LoadHTML(""); ExecuteJavaScript( "chrome.extension.onConnect.addListener(function (port) {" " port.test = 24;" " port.onMessage.addListener(doOnMessage);" " port.onDisconnect.addListener(doOnDisconnect);" " port.postMessage({message: 'onconnect from ' + port.tab.url + " " ' name ' + port.name});" "});" "function doOnMessage(msg, port) {" " alert('got: ' + msg.val);" "}" "function doOnDisconnect(port) {" " alert('disconnected: ' + port.test);" "}"); render_thread_.sink().ClearMessages(); // Simulate a new connection being opened. const int kPortId = 0; const std::string kPortName = "testName"; DispatchOnConnect(kPortId, kPortName, "{\"url\":\"foo://bar\"}"); // Verify that we handled the new connection by posting a message. const IPC::Message* post_msg = render_thread_.sink().GetUniqueMessageMatching( ExtensionHostMsg_PostMessage::ID); ASSERT_TRUE(post_msg); ExtensionHostMsg_PostMessage::Param post_params; ExtensionHostMsg_PostMessage::Read(post_msg, &post_params); std::string expected_msg = "{\"message\":\"onconnect from foo://bar name " + kPortName + "\"}"; EXPECT_EQ(expected_msg, post_params.b); // Now simulate getting a message back from the channel opener. render_thread_.sink().ClearMessages(); DispatchOnMessage("{\"val\": 42}", kPortId); // Verify that we got it. const IPC::Message* alert_msg = render_thread_.sink().GetUniqueMessageMatching( ViewHostMsg_RunJavaScriptMessage::ID); ASSERT_TRUE(alert_msg); void* iter = IPC::SyncMessage::GetDataIterator(alert_msg); ViewHostMsg_RunJavaScriptMessage::SendParam alert_param; ASSERT_TRUE(IPC::ReadParam(alert_msg, &iter, &alert_param)); EXPECT_EQ(L"got: 42", alert_param.a); // Now simulate the channel closing. render_thread_.sink().ClearMessages(); DispatchOnDisconnect(kPortId); // Verify that we got it. alert_msg = render_thread_.sink().GetUniqueMessageMatching( ViewHostMsg_RunJavaScriptMessage::ID); ASSERT_TRUE(alert_msg); iter = IPC::SyncMessage::GetDataIterator(alert_msg); ASSERT_TRUE(IPC::ReadParam(alert_msg, &iter, &alert_param)); EXPECT_EQ(L"disconnected: 24", alert_param.a); }