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// 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.
#include "chrome/browser/extensions/extension_message_service.h"
#include "chrome/common/render_messages.h"
#include "chrome/renderer/extensions/event_bindings.h"
#include "chrome/renderer/extensions/renderer_extension_bindings.h"
#include "chrome/test/render_view_test.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));
args.Set(3, Value::CreateStringValue("")); // extension ID is empty for tests
args.Set(4, Value::CreateStringValue("")); // extension ID is empty for tests
RendererExtensionBindings::Invoke(
ExtensionMessageService::kDispatchOnConnect, args, NULL);
}
static void DispatchOnDisconnect(int source_port_id) {
ListValue args;
args.Set(0, Value::CreateIntegerValue(source_port_id));
RendererExtensionBindings::Invoke(
ExtensionMessageService::kDispatchOnDisconnect, args, NULL);
}
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));
RendererExtensionBindings::Invoke(
ExtensionMessageService::kDispatchOnMessage, args, NULL);
}
// 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("<body></body>");
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(
ViewHostMsg_OpenChannelToExtension::ID);
ASSERT_TRUE(open_channel_msg);
void* iter = IPC::SyncMessage::GetDataIterator(open_channel_msg);
ViewHostMsg_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(
ViewHostMsg_ExtensionPostMessage::ID);
ASSERT_TRUE(post_msg);
ViewHostMsg_ExtensionPostMessage::Param post_params;
ViewHostMsg_ExtensionPostMessage::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("<body></body>");
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(
ViewHostMsg_ExtensionPostMessage::ID);
ASSERT_TRUE(post_msg);
ViewHostMsg_ExtensionPostMessage::Param post_params;
ViewHostMsg_ExtensionPostMessage::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);
}
// Tests that we don't send the disconnect message until all ports have
// disconnected.
TEST_F(RenderViewTest, ExtensionMessagesDisconnect) {
LoadHTML("<body></body>");
ExecuteJavaScript(
"chrome.extension.onConnect.addListener(function (port) {"
" port.onMessage.addListener(function(msg, p) {"
" if (msg.disconnect) port.disconnect();"
" });"
"});"
"var iframe1 = document.createElement('iframe');"
"var iframe2 = document.createElement('iframe');"
"var src = 'javascript:"
" chrome.extension.onConnect.addListener(function(port) {"
" port.postMessage(\"onconnect\");"
" port.onMessage.addListener(function(p) { alert(\"NOTREACHED\"); });"
" port.disconnect();"
" });';"
"iframe1.src = src;"
"iframe2.src = src;"
"document.body.appendChild(iframe1);"
"document.body.appendChild(iframe2);");
render_thread_.sink().ClearMessages();
// Simulate a new connection being opened. The two child frames should
// disconnect immediately, but we shouldn't get a disconnect message until
// all 3 frames disconnect.
const int kPortId = 0;
const std::string kPortName = "testName";
DispatchOnConnect(kPortId, kPortName, "null");
// Verify that we handled the new connection by posting a message.
const IPC::Message* post_msg =
render_thread_.sink().GetFirstMessageMatching(
ViewHostMsg_ExtensionPostMessage::ID);
ASSERT_TRUE(post_msg);
ViewHostMsg_ExtensionPostMessage::Param post_params;
ViewHostMsg_ExtensionPostMessage::Read(post_msg, &post_params);
EXPECT_EQ("\"onconnect\"", post_params.b);
// Simulate sending a message.
render_thread_.sink().ClearMessages();
DispatchOnMessage("{\"val\": 42}", kPortId);
// If we get an alert box, then the iframes failed to disconnect properly.
const IPC::Message* alert_msg =
render_thread_.sink().GetFirstMessageMatching(
ViewHostMsg_RunJavaScriptMessage::ID);
ASSERT_FALSE(alert_msg);
// We should not get a disconnect message yet, since the toplevel frame didn't
// disconnect.
const IPC::Message* disconnect_msg =
render_thread_.sink().GetFirstMessageMatching(
ViewHostMsg_ExtensionCloseChannel::ID);
ASSERT_FALSE(disconnect_msg);
// Disconnect the port in the top frame.
render_thread_.sink().ClearMessages();
DispatchOnMessage("{\"disconnect\": true}", kPortId);
// Now we should have a disconnect message.
disconnect_msg =
render_thread_.sink().GetUniqueMessageMatching(
ViewHostMsg_ExtensionCloseChannel::ID);
ASSERT_TRUE(disconnect_msg);
}
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