| // Copyright 2008 The Closure Library Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS-IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| goog.provide('goog.net.MultiIframeLoadMonitorTest'); |
| goog.setTestOnly('goog.net.MultiIframeLoadMonitorTest'); |
| |
| goog.require('goog.dom'); |
| goog.require('goog.net.IframeLoadMonitor'); |
| goog.require('goog.net.MultiIframeLoadMonitor'); |
| goog.require('goog.testing.AsyncTestCase'); |
| goog.require('goog.testing.jsunit'); |
| |
| var TEST_FRAME_SRCS = ['iframeloadmonitor_test_frame.html', |
| 'iframeloadmonitor_test_frame2.html', |
| 'iframeloadmonitor_test_frame3.html']; |
| |
| // Create a new test case. |
| var iframeLoaderTestCase = new goog.testing.AsyncTestCase(document.title); |
| iframeLoaderTestCase.stepTimeout = 4 * 1000; |
| |
| // How many multpile frames finished loading |
| iframeLoaderTestCase.multipleComplete_ = 0; |
| |
| iframeLoaderTestCase.numMonitors = 0; |
| iframeLoaderTestCase.disposeCalled = 0; |
| |
| |
| /** |
| * Sets up the test environment, adds tests and sets up the worker pools. |
| * @this {goog.testing.AsyncTestCase} |
| */ |
| iframeLoaderTestCase.setUpPage = function() { |
| this.log('Setting tests up'); |
| iframeLoaderTestCase.waitForAsync('loading iframes'); |
| |
| var dom = goog.dom.getDomHelper(); |
| |
| // Load multiple with callback |
| var frame1 = dom.createDom('iframe'); |
| var frame2 = dom.createDom('iframe'); |
| var multiMonitor = new goog.net.MultiIframeLoadMonitor( |
| [frame1, frame2], goog.bind(this.multipleCallback, this)); |
| this.log('Loading frames at: ' + TEST_FRAME_SRCS[0] + ' and ' + |
| TEST_FRAME_SRCS[1]); |
| // Make sure they don't look loaded yet. |
| assertEquals(0, this.multipleComplete_); |
| var frameParent = dom.getElement('frame_parent'); |
| dom.appendChild(frameParent, frame1); |
| frame1.src = TEST_FRAME_SRCS[0]; |
| dom.appendChild(frameParent, frame2); |
| frame2.src = TEST_FRAME_SRCS[1]; |
| |
| // Load multiple with callback and content check |
| var frame3 = dom.createDom('iframe'); |
| var frame4 = dom.createDom('iframe'); |
| var multiMonitor = new goog.net.MultiIframeLoadMonitor( |
| [frame3, frame4], goog.bind(this.multipleContentCallback, this), true); |
| this.log('Loading frames with content check at: ' + TEST_FRAME_SRCS[1] + |
| ' and ' + TEST_FRAME_SRCS[2]); |
| dom.appendChild(frameParent, frame3); |
| frame3.src = TEST_FRAME_SRCS[1]; |
| dom.appendChild(frameParent, frame4); |
| frame4.src = TEST_FRAME_SRCS[2]; |
| |
| |
| }; |
| |
| |
| /** |
| * Callback for the multiple frame load test case |
| * @this {goog.testing.AsyncTestCase} |
| */ |
| iframeLoaderTestCase.multipleCallback = function() { |
| this.log('multiple frames finished loading'); |
| this.multipleComplete_++; |
| this.multipleCompleteNoContent_ = true; |
| this.callbacksComplete(); |
| }; |
| |
| |
| /** |
| * Callback for the multiple frame with content load test case |
| * @this {goog.testing.AsyncTestCase} |
| */ |
| iframeLoaderTestCase.multipleContentCallback = function() { |
| this.log('multiple frames with content finished loading'); |
| this.multipleComplete_++; |
| this.multipleCompleteContent_ = true; |
| this.callbacksComplete(); |
| }; |
| |
| |
| /** |
| * Checks if all the load callbacks are done |
| * @this {goog.testing.AsyncTestCase} |
| */ |
| iframeLoaderTestCase.callbacksComplete = function() { |
| if (this.multipleComplete_ == 2) { |
| iframeLoaderTestCase.continueTesting(); |
| } |
| }; |
| |
| |
| /** Tests the results. */ |
| iframeLoaderTestCase.addNewTest('testResults', function() { |
| this.log('getting test results'); |
| assertTrue(this.multipleCompleteNoContent_); |
| assertTrue(this.multipleCompleteContent_); |
| }); |
| |
| iframeLoaderTestCase.fakeLoadMonitor = function() { |
| // Replaces IframeLoadMonitor with a fake version that just tracks |
| // instantiations/disposals |
| this.loadMonitorConstructor = goog.net.IframeLoadMonitor; |
| var that = this; |
| goog.net.IframeLoadMonitor = function() { |
| that.numMonitors++; |
| return { |
| isLoaded: function() { return false; }, |
| dispose: function() { that.disposeCalled++; }, |
| attachEvent: function() {} |
| }; |
| }; |
| goog.net.IframeLoadMonitor.LOAD_EVENT = 'ifload'; |
| }; |
| |
| iframeLoaderTestCase.unfakeLoadMonitor = function() { |
| goog.net.IframeLoadMonitor = this.loadMonitorConstructor; |
| }; |
| |
| iframeLoaderTestCase.addNewTest('stopMonitoring', function() { |
| // create two unloaded frames, make sure that load monitors are loaded |
| // behind the scenes, then make sure they are disposed properly. |
| this.fakeLoadMonitor(); |
| var dom = goog.dom.getDomHelper(); |
| var frames = [dom.createDom('iframe'), dom.createDom('iframe')]; |
| var multiMonitor = new goog.net.MultiIframeLoadMonitor( |
| frames, |
| function() { |
| fail('should not invoke callback for unloaded rames'); |
| }); |
| assertEquals(frames.length, this.numMonitors); |
| assertEquals(0, this.disposeCalled); |
| multiMonitor.stopMonitoring(); |
| assertEquals(frames.length, this.disposeCalled); |
| this.unfakeLoadMonitor(); |
| }); |
| |
| |
| /** Standalone Closure Test Runner. */ |
| G_testRunner.initialize(iframeLoaderTestCase); |