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<!DOCTYPE html>
<html>
<!--
Copyright 2010 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<!--
-->
<head>
<title>
Closure Unit Tests - goog.messaging.PortChannel
</title>
<script src="../base.js"></script>
<script>
goog.require('goog.dom');
goog.require('goog.events.EventTarget');
goog.require('goog.json');
goog.require('goog.messaging.PortChannel');
goog.require('goog.testing.AsyncTestCase');
goog.require('goog.testing.MockControl');
goog.require('goog.testing.async.MockControl');
goog.require('goog.testing.jsunit');
goog.require('goog.testing.messaging.MockMessageEvent');
goog.require('goog.userAgent.product');
</script>
</head>
<body>
<div id="frame"></div>
<script>
var mockControl;
var asyncMockControl;
var mockPort;
var portChannel;
var workerChannel;
var asyncTestCase = goog.testing.AsyncTestCase.createAndInstall();
var timer;
// Use a relatively long timeout because workers can take a while to start up.
asyncTestCase.stepTimeout = 3 * 1000;
function setUpPage() {
if (!('Worker' in goog.global)) {
return;
}
workerChannel = new goog.messaging.PortChannel(
new Worker('testdata/portchannel_worker.js'));
}
function tearDownPage() {
goog.dispose(workerChannel);
}
function setUp() {
timer = new goog.Timer(50);
mockControl = new goog.testing.MockControl();
asyncMockControl = new goog.testing.async.MockControl(mockControl);
mockPort = new goog.events.EventTarget();
mockPort.postMessage = mockControl.createFunctionMock('postMessage');
portChannel = new goog.messaging.PortChannel(mockPort);
}
function tearDown() {
goog.dispose(timer);
portChannel.dispose();
mockControl.$verifyAll();
}
function makeMessage(serviceName, payload) {
var msg = {'serviceName': serviceName, 'payload': payload};
msg[goog.messaging.PortChannel.FLAG] = true;
if (goog.messaging.PortChannel.REQUIRES_SERIALIZATION_) {
msg = goog.json.serialize(msg);
}
return msg;
}
function expectNoMessage() {
portChannel.registerDefaultService(
mockControl.createFunctionMock('expectNoMessage'));
}
function receiveMessage(serviceName, payload, opt_origin, opt_ports) {
mockPort.dispatchEvent(
goog.testing.messaging.MockMessageEvent.wrap(
makeMessage(serviceName, payload),
opt_origin || 'http://google.com',
undefined, undefined, opt_ports));
}
function receiveNonChannelMessage(data) {
if (goog.messaging.PortChannel.REQUIRES_SERIALIZATION_ &&
!goog.isString(data)) {
data = goog.json.serialize(data);
}
mockPort.dispatchEvent(
goog.testing.messaging.MockMessageEvent.wrap(
data, 'http://google.com'));
}
function testPostMessage() {
mockPort.postMessage(makeMessage('foobar', 'This is a value'), []);
mockControl.$replayAll();
portChannel.send('foobar', 'This is a value');
}
function testPostMessageWithPorts() {
if (!('MessageChannel' in goog.global)) {
return;
}
var channel = new MessageChannel();
var port1 = channel.port1;
var port2 = channel.port2;
mockPort.postMessage(makeMessage('foobar', {'val': [
{'_port': {'type': 'real', 'index': 0}},
{'_port': {'type': 'real', 'index': 1}}
]}), [port1, port2]);
mockControl.$replayAll();
portChannel.send('foobar', {'val': [port1, port2]});
}
function testReceiveMessage() {
portChannel.registerService(
'foobar', asyncMockControl.asyncAssertEquals(
'testReceiveMessage', 'This is a string'));
mockControl.$replayAll();
receiveMessage('foobar', 'This is a string');
}
function testReceiveMessageWithPorts() {
if (!('MessageChannel' in goog.global)) {
return;
}
var channel = new MessageChannel();
var port1 = channel.port1;
var port2 = channel.port2;
portChannel.registerService(
'foobar', asyncMockControl.asyncAssertEquals(
'testReceiveMessage', {'val': [port1, port2]}),
true);
mockControl.$replayAll();
receiveMessage('foobar', {'val': [
{'_port': {'type': 'real', 'index': 0}},
{'_port': {'type': 'real', 'index': 1}}
]}, null, [port1, port2]);
}
function testReceiveNonChannelMessageWithStringBody() {
expectNoMessage();
mockControl.$replayAll();
receiveNonChannelMessage('Foo bar');
}
function testReceiveNonChannelMessageWithArrayBody() {
expectNoMessage();
mockControl.$replayAll();
receiveNonChannelMessage([5, 'Foo bar']);
}
function testReceiveNonChannelMessageWithNoFlag() {
expectNoMessage();
mockControl.$replayAll();
receiveNonChannelMessage({
serviceName: 'foobar',
payload: 'this is a payload'
});
}
function testReceiveNonChannelMessageWithFalseFlag() {
expectNoMessage();
mockControl.$replayAll();
var body = {
serviceName: 'foobar',
payload: 'this is a payload'
};
body[goog.messaging.PortChannel.FLAG] = false;
receiveNonChannelMessage(body);
}
// Integration tests
function testWorker() {
if (!('Worker' in goog.global)) {
return;
}
workerChannel.registerService('pong', function(msg) {
assertObjectEquals({'val': 'fizzbang'}, msg);
asyncTestCase.continueTesting();
}, true);
workerChannel.send('ping', {'val': 'fizzbang'});
asyncTestCase.waitForAsync('worker response');
}
function testWorkerWithPorts() {
if (!('Worker' in goog.global) || !('MessageChannel' in goog.global)) {
return;
}
var messageChannel = new MessageChannel();
workerChannel.registerService('pong', function(msg) {
assertPortsEntangled(msg['port'], messageChannel.port2, function() {
asyncTestCase.continueTesting();
});
}, true);
workerChannel.send('ping', {'port': messageChannel.port1});
asyncTestCase.waitForAsync('worker response');
}
function testPort() {
if (!('Worker' in goog.global) || !('MessageChannel' in goog.global)) {
return;
}
var messageChannel = new MessageChannel();
workerChannel.send('addPort', messageChannel.port1);
messageChannel.port2.start();
var realPortChannel = new goog.messaging.PortChannel(messageChannel.port2);
realPortChannel.registerService('pong', function(msg) {
assertObjectEquals({'val': 'fizzbang'}, msg);
messageChannel.port2.close();
realPortChannel.dispose();
asyncTestCase.continueTesting();
}, true);
realPortChannel.send('ping', {'val': 'fizzbang'});
asyncTestCase.waitForAsync('port response');
}
function testPortIgnoresOrigin() {
if (!('Worker' in goog.global) || !('MessageChannel' in goog.global)) {
return;
}
var messageChannel = new MessageChannel();
workerChannel.send('addPort', messageChannel.port1);
messageChannel.port2.start();
var realPortChannel = new goog.messaging.PortChannel(
messageChannel.port2, 'http://somewhere-else.com');
realPortChannel.registerService('pong', function(msg) {
assertObjectEquals({'val': 'fizzbang'}, msg);
messageChannel.port2.close();
realPortChannel.dispose();
asyncTestCase.continueTesting();
}, true);
realPortChannel.send('ping', {'val': 'fizzbang'});
asyncTestCase.waitForAsync('port response');
}
function testWindow() {
if (!('Worker' in goog.global) || !('MessageChannel' in goog.global)) {
return;
}
// NOTE(nicksantos): This test is having problems in Safari4 on the
// test farm, but no one can reproduce them locally. Just turn it off.
if (goog.userAgent.product.SAFARI) {
return;
}
withIframe(function() {
var iframeChannel = goog.messaging.PortChannel.forEmbeddedWindow(
window.frames['inner'], '*', timer);
iframeChannel.registerService('pong', function(msg) {
assertEquals('fizzbang', msg);
goog.dispose(iframeChannel);
asyncTestCase.continueTesting();
});
iframeChannel.send('ping', 'fizzbang');
asyncTestCase.waitForAsync('window response');
});
}
function testWindowCancelled() {
if (!('Worker' in goog.global) || !('MessageChannel' in goog.global)) {
return;
}
withIframe(function() {
var iframeChannel = goog.messaging.PortChannel.forEmbeddedWindow(
window.frames['inner'], '*', timer);
iframeChannel.cancel();
iframeChannel.registerService('pong', function(msg) {
fail('no messages should be received due to cancellation');
goog.dispose(iframeChannel);
asyncTestCase.continueTesting();
});
iframeChannel.send('ping', 'fizzbang');
asyncTestCase.waitForAsync('window response');
// Leave plenty of time for the connection to be made if the test fails, but
// stop the test before the asyncTestCase timeout is hit.
setTimeout(goog.bind(asyncTestCase.continueTesting, asyncTestCase),
asyncTestCase.stepTimeout / 3);
});
}
function testWindowWontSendToWrongOrigin() {
if (!('Worker' in goog.global) || !('MessageChannel' in goog.global)) {
return;
}
withIframe(function() {
var iframeChannel = goog.messaging.PortChannel.forEmbeddedWindow(
window.frames['inner'], 'http://somewhere-else.com', timer);
iframeChannel.registerService('pong', function(msg) {
fail('Should not receive pong from unexpected origin');
iframeChannel.dispose();
asyncTestCase.continueTesting();
});
iframeChannel.send('ping', 'fizzbang');
setTimeout(function() {
iframeChannel.dispose();
asyncTestCase.continueTesting();
}, asyncTestCase.stepTimeout - 500);
asyncTestCase.waitForAsync('window response');
});
}
function testWindowWontReceiveFromWrongOrigin() {
if (!('Worker' in goog.global) || !('MessageChannel' in goog.global)) {
return;
}
withIframe(function() {
var iframeChannel = goog.messaging.PortChannel.forEmbeddedWindow(
window.frames['inner'], '*', timer);
iframeChannel.registerService('pong', function(msg) {
fail('Should not receive pong from unexpected origin');
iframeChannel.dispose();
asyncTestCase.continueTesting();
});
iframeChannel.send('ping', 'fizzbang');
setTimeout(function() {
iframeChannel.dispose();
asyncTestCase.continueTesting();
}, asyncTestCase.stepTimeout - 500);
asyncTestCase.waitForAsync('window response');
}, 'testdata/portchannel_wrong_origin_inner.html');
}
/**
* Assert that two HTML5 MessagePorts are entangled by posting messages from
* each to the other.
*
* @param {!MessagePort} port1
* @param {!MessagePort} port2
* @param {function()} callback Called when the assertion is finished.
*/
function assertPortsEntangled(port1, port2, callback) {
port1.onmessage = function(e) {
assertEquals('port 2 should send messages to port 1',
'port2 to port1', e.data);
callback();
};
port2.onmessage = function(e) {
assertEquals('port 1 should send messages to port 2',
'port1 to port2', e.data);
port2.postMessage('port2 to port1');
asyncTestCase.waitForAsync('port 1 receiving message');
};
port1.postMessage('port1 to port2');
asyncTestCase.waitForAsync('port 2 receiving message');
}
function withIframe(callback, opt_url) {
var frameDiv = goog.dom.$('frame');
goog.dom.removeChildren(frameDiv);
goog.dom.appendChild(frameDiv, goog.dom.createDom('iframe', {
style: 'display: none',
name: 'inner',
id: 'inner',
src: opt_url || 'testdata/portchannel_inner.html'
}));
asyncTestCase.waitForAsync('creating iframe');
// We need to pass control back to the event loop to give the iframe a chance
// to load.
setTimeout(function() {
asyncTestCase.continueTesting();
callback();
}, 0);
}
</script>
</body>
</html>
|
