content/browser/message_port_provider_browsertest.cc - chromium/src - Git at Google

 // Copyright 2015 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/bind.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/synchronization/waitable_event.h"
 #include "content/browser/message_port_service.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/message_port_delegate.h"
 #include "content/public/browser/message_port_provider.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/content_browser_test.h"
 #include "content/public/test/content_browser_test_utils.h"
 #include "content/shell/browser/shell.h"

 namespace content {

 // This test verifies the functionality of the Message Port Provider API.

 // A mock class for testing message port provider.
 class MockMessagePortDelegate : public MessagePortDelegate {
  public:
   // A container to hold received messages
   struct Message {
     int route_id;  // the routing id of the target port
     MessagePortMessage data;  // the message data
     std::vector<TransferredMessagePort> sent_ports;  // any transferred ports
   };

   typedef std::vector<Message> Messages;

   MockMessagePortDelegate() { }
   ~MockMessagePortDelegate() override { }

   // MessagePortDelegate implementation
   void SendMessage(
       int route_id,
       const MessagePortMessage& message,
       const std::vector<TransferredMessagePort>& sent_message_ports) override {
     Message m;
     m.route_id = route_id;
     m.data = message;
     m.sent_ports = sent_message_ports;
     messages_.push_back(m);
   }

   void SendMessagesAreQueued(int route_id) override { }

   const Messages& getReceivedMessages() {
     return messages_;
   }
  private:
   Messages messages_;

   DISALLOW_COPY_AND_ASSIGN(MockMessagePortDelegate);
 };


 class MessagePortProviderBrowserTest : public ContentBrowserTest {
 };

 // Verify that messages can be posted to main frame.
 IN_PROC_BROWSER_TEST_F(MessagePortProviderBrowserTest, PostMessage) {
   const std::string data =
       "<!DOCTYPE html><html><body>"
       "    <script type=\"text/javascript\">"
       "        onmessage = function (e) { document.title = e.data; }"
       "   </script>"
       "</body></html>";
   const base::string16 target_origin(base::UTF8ToUTF16("http://baseurl"));
   const GURL base_url(target_origin);
   const GURL history_url;
   // Load data. Blocks until it is done.
   content::LoadDataWithBaseURL(shell(), history_url, data, base_url);
   const base::string16 source_origin(base::UTF8ToUTF16("source"));
   const base::string16 message(base::UTF8ToUTF16("success"));
   const std::vector<TransferredMessagePort> ports;
   content::TitleWatcher title_watcher(shell()->web_contents(), message);
   MessagePortProvider::PostMessageToFrame(shell()->web_contents(),
                                           source_origin,
                                           target_origin,
                                           message,
                                           ports);
   EXPECT_EQ(message, title_watcher.WaitAndGetTitle());
 }

 namespace {

 void VerifyCreateChannelOnIOThread(base::WaitableEvent* event) {

   const base::char16 MESSAGE1[] = { 0x1000, 0 };
   const base::char16 MESSAGE2[] = { 0x1001, 0 };

   MockMessagePortDelegate delegate;
   int port1;
   int port2;

   MessagePortProvider::CreateMessageChannel(&delegate, &port1, &port2);
   MessagePortService* service = MessagePortService::GetInstance();
   // Send a message to port1 transferring no ports.
   std::vector<TransferredMessagePort> sent_ports;
   service->PostMessage(port1, MessagePortMessage(base::string16(MESSAGE1)),
                        sent_ports);
   // Verify that message is received
   const MockMessagePortDelegate::Messages& received =
       delegate.getReceivedMessages();
   EXPECT_EQ(received.size(), 1u);
   // Verify that message sent to port1 is received by entangled port, which is
   // port2.
   EXPECT_EQ(received[0].route_id, port2);
   EXPECT_EQ(received[0].data.message_as_string, MESSAGE1);
   EXPECT_EQ(received[0].sent_ports.size(), 0u);

   // Create a new channel, and transfer one of its ports to port2, making sure
   // the transferred port is received.
   TransferredMessagePort port3;
   TransferredMessagePort port4;
   MessagePortProvider::CreateMessageChannel(&delegate, &port3.id, &port4.id);
   sent_ports.push_back(port3);
   service->PostMessage(port1, MessagePortMessage(base::string16(MESSAGE2)),
                        sent_ports);
   EXPECT_EQ(received.size(), 2u);
   EXPECT_EQ(received[1].route_id, port2);
   EXPECT_EQ(received[1].data.message_as_string, MESSAGE2);
   EXPECT_EQ(received[1].sent_ports.size(), 1u);
   EXPECT_EQ(received[1].sent_ports[0].id, port3.id);

   event->Signal();
 }

 }  // namespace

 // Verify that a message channel can be created and used for exchanging
 // messages.
 IN_PROC_BROWSER_TEST_F(MessagePortProviderBrowserTest, CreateChannel) {
   base::WaitableEvent event(true, false);
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&VerifyCreateChannelOnIOThread, &event));
   event.Wait();
 }

 }  // namespace content
	// Copyright 2015 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/bind.h"
	#include "base/strings/utf_string_conversions.h"
	#include "base/synchronization/waitable_event.h"
	#include "content/browser/message_port_service.h"
	#include "content/public/browser/browser_thread.h"
	#include "content/public/browser/message_port_delegate.h"
	#include "content/public/browser/message_port_provider.h"
	#include "content/public/browser/web_contents.h"
	#include "content/public/test/browser_test_utils.h"
	#include "content/public/test/content_browser_test.h"
	#include "content/public/test/content_browser_test_utils.h"
	#include "content/shell/browser/shell.h"

	namespace content {

	// This test verifies the functionality of the Message Port Provider API.

	// A mock class for testing message port provider.
	class MockMessagePortDelegate : public MessagePortDelegate {
	public:
	// A container to hold received messages
	struct Message {
	int route_id; // the routing id of the target port
	MessagePortMessage data; // the message data
	std::vector<TransferredMessagePort> sent_ports; // any transferred ports
	};

	typedef std::vector<Message> Messages;

	MockMessagePortDelegate() { }
	~MockMessagePortDelegate() override { }

	// MessagePortDelegate implementation
	void SendMessage(
	int route_id,
	const MessagePortMessage& message,
	const std::vector<TransferredMessagePort>& sent_message_ports) override {
	Message m;
	m.route_id = route_id;
	m.data = message;
	m.sent_ports = sent_message_ports;
	messages_.push_back(m);
	}

	void SendMessagesAreQueued(int route_id) override { }

	const Messages& getReceivedMessages() {
	return messages_;
	}
	private:
	Messages messages_;

	DISALLOW_COPY_AND_ASSIGN(MockMessagePortDelegate);
	};


	class MessagePortProviderBrowserTest : public ContentBrowserTest {
	};

	// Verify that messages can be posted to main frame.
	IN_PROC_BROWSER_TEST_F(MessagePortProviderBrowserTest, PostMessage) {
	const std::string data =
	"<!DOCTYPE html><html><body>"
	" <script type=\"text/javascript\">"
	" onmessage = function (e) { document.title = e.data; }"
	" </script>"
	"</body></html>";
	const base::string16 target_origin(base::UTF8ToUTF16("http://baseurl"));
	const GURL base_url(target_origin);
	const GURL history_url;
	// Load data. Blocks until it is done.
	content::LoadDataWithBaseURL(shell(), history_url, data, base_url);
	const base::string16 source_origin(base::UTF8ToUTF16("source"));
	const base::string16 message(base::UTF8ToUTF16("success"));
	const std::vector<TransferredMessagePort> ports;
	content::TitleWatcher title_watcher(shell()->web_contents(), message);
	MessagePortProvider::PostMessageToFrame(shell()->web_contents(),
	source_origin,
	target_origin,
	message,
	ports);
	EXPECT_EQ(message, title_watcher.WaitAndGetTitle());
	}

	namespace {

	void VerifyCreateChannelOnIOThread(base::WaitableEvent* event) {

	const base::char16 MESSAGE1[] = { 0x1000, 0 };
	const base::char16 MESSAGE2[] = { 0x1001, 0 };

	MockMessagePortDelegate delegate;
	int port1;
	int port2;

	MessagePortProvider::CreateMessageChannel(&delegate, &port1, &port2);
	MessagePortService* service = MessagePortService::GetInstance();
	// Send a message to port1 transferring no ports.
	std::vector<TransferredMessagePort> sent_ports;
	service->PostMessage(port1, MessagePortMessage(base::string16(MESSAGE1)),
	sent_ports);
	// Verify that message is received
	const MockMessagePortDelegate::Messages& received =
	delegate.getReceivedMessages();
	EXPECT_EQ(received.size(), 1u);
	// Verify that message sent to port1 is received by entangled port, which is
	// port2.
	EXPECT_EQ(received[0].route_id, port2);
	EXPECT_EQ(received[0].data.message_as_string, MESSAGE1);
	EXPECT_EQ(received[0].sent_ports.size(), 0u);

	// Create a new channel, and transfer one of its ports to port2, making sure
	// the transferred port is received.
	TransferredMessagePort port3;
	TransferredMessagePort port4;
	MessagePortProvider::CreateMessageChannel(&delegate, &port3.id, &port4.id);
	sent_ports.push_back(port3);
	service->PostMessage(port1, MessagePortMessage(base::string16(MESSAGE2)),
	sent_ports);
	EXPECT_EQ(received.size(), 2u);
	EXPECT_EQ(received[1].route_id, port2);
	EXPECT_EQ(received[1].data.message_as_string, MESSAGE2);
	EXPECT_EQ(received[1].sent_ports.size(), 1u);
	EXPECT_EQ(received[1].sent_ports[0].id, port3.id);

	event->Signal();
	}

	} // namespace

	// Verify that a message channel can be created and used for exchanging
	// messages.
	IN_PROC_BROWSER_TEST_F(MessagePortProviderBrowserTest, CreateChannel) {
	base::WaitableEvent event(true, false);
	BrowserThread::PostTask(
	BrowserThread::IO, FROM_HERE,
	base::Bind(&VerifyCreateChannelOnIOThread, &event));
	event.Wait();
	}

	} // namespace content