// 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.events.OnlineHandlerTest'); goog.setTestOnly('goog.events.OnlineHandlerTest'); goog.require('goog.events'); goog.require('goog.events.BrowserFeature'); goog.require('goog.events.Event'); goog.require('goog.events.EventHandler'); goog.require('goog.events.OnlineHandler'); goog.require('goog.net.NetworkStatusMonitor'); goog.require('goog.testing.MockClock'); goog.require('goog.testing.PropertyReplacer'); goog.require('goog.testing.jsunit'); goog.require('goog.testing.recordFunction'); var stubs = new goog.testing.PropertyReplacer(); var clock = new goog.testing.MockClock(); var online = true; var onlineCount; var offlineCount; function listenToEvents(oh) { onlineCount = 0; offlineCount = 0; goog.events.listen(oh, goog.net.NetworkStatusMonitor.EventType.ONLINE, function(e) { assertTrue(oh.isOnline()); onlineCount++; }); goog.events.listen(oh, goog.net.NetworkStatusMonitor.EventType.OFFLINE, function(e) { assertFalse(oh.isOnline()); offlineCount++; }); } function setUp() { stubs.set(goog.events.OnlineHandler.prototype, 'isOnline', function() { return online; }); } function tearDown() { stubs.reset(); clock.uninstall(); } function testConstructAndDispose() { var oh = new goog.events.OnlineHandler(); oh.dispose(); } function testNoOnlineProperty() { stubs.set(goog.events.BrowserFeature, 'HAS_NAVIGATOR_ONLINE_PROPERTY', false); stubs.set(goog.events.EventHandler.prototype, 'listen', goog.testing.recordFunction()); var oh = new goog.events.OnlineHandler(); assertEquals(0, oh.eventHandler_.listen.getCallCount()); oh.dispose(); } function testNonHtml5() { clock.install(); stubs.set(goog.events.BrowserFeature, 'HAS_HTML5_NETWORK_EVENT_SUPPORT', false); var oh = new goog.events.OnlineHandler(); listenToEvents(oh); clock.tick(500); online = false; clock.tick(500); assertEquals(0, onlineCount); assertEquals(1, offlineCount); online = true; clock.tick(500); assertEquals(1, onlineCount); assertEquals(1, offlineCount); oh.dispose(); clock.dispose(); } function testHtml5() { stubs.set(goog.events.BrowserFeature, 'HAS_HTML5_NETWORK_EVENT_SUPPORT', true); // Test for browsers that fire network events on document.body. stubs.set(goog.events.BrowserFeature, 'HTML5_NETWORK_EVENTS_FIRE_ON_BODY', true); var oh = new goog.events.OnlineHandler(); listenToEvents(oh); online = false; var e = new goog.events.Event('offline'); goog.events.fireListeners(document.body, e.type, false, e); assertEquals(0, onlineCount); assertEquals(1, offlineCount); online = true; e = new goog.events.Event('online'); goog.events.fireListeners(document.body, e.type, false, e); assertEquals(1, onlineCount); assertEquals(1, offlineCount); oh.dispose(); // Test for browsers that fire network events on window. stubs.set(goog.events.BrowserFeature, 'HTML5_NETWORK_EVENTS_FIRE_ON_BODY', false); oh = new goog.events.OnlineHandler(); listenToEvents(oh); online = false; e = new goog.events.Event('offline'); goog.events.fireListeners(window, e.type, false, e); assertEquals(0, onlineCount); assertEquals(1, offlineCount); online = true; e = new goog.events.Event('online'); goog.events.fireListeners(window, e.type, false, e); assertEquals(1, onlineCount); assertEquals(1, offlineCount); oh.dispose(); }