/* * This file is part of the MediaWiki extension MultimediaViewer. * * MultimediaViewer is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * * MultimediaViewer is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with MultimediaViewer. If not, see . */ ( function () { QUnit.module( 'mmv.provider.Image', QUnit.newMwEnvironment() ); QUnit.test( 'Image constructor sanity check', function ( assert ) { var imageProvider = new mw.mmv.provider.Image(); assert.ok( imageProvider ); } ); QUnit.test( 'Image load success', function ( assert ) { var url = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQAQMAAAAlPW0' + 'iAAAABlBMVEUAAAD///+l2Z/dAAAAM0lEQVR4nGP4/5/h/1+G/58ZDrAz3D/McH' + '8yw83NDDeNGe4Ug9C9zwz3gVLMDA/A6P9/AFGGFyjOXZtQAAAAAElFTkSuQmCC', imageProvider = new mw.mmv.provider.Image(); imageProvider.imagePreloadingSupported = function () { return false; }; imageProvider.performance.recordEntry = function () {}; return imageProvider.get( url ).then( function ( image ) { assert.ok( image instanceof HTMLImageElement, 'success handler was called with the image element' ); assert.strictEqual( image.src, url, 'image src is correct' ); } ); } ); QUnit.test( 'Image caching', function ( assert ) { var url = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQAQMAAAAlPW0' + 'iAAAABlBMVEUAAAD///+l2Z/dAAAAM0lEQVR4nGP4/5/h/1+G/58ZDrAz3D/McH' + '8yw83NDDeNGe4Ug9C9zwz3gVLMDA/A6P9/AFGGFyjOXZtQAAAAAElFTkSuQmCC', url2 = 'data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==', result, imageProvider = new mw.mmv.provider.Image(); imageProvider.imagePreloadingSupported = function () { return false; }; imageProvider.performance.recordEntry = function () {}; return QUnit.whenPromisesComplete( imageProvider.get( url ).then( function ( image ) { result = image; assert.ok( image instanceof HTMLImageElement, 'success handler was called with the image element' ); assert.strictEqual( image.src, url, 'image src is correct' ); } ), imageProvider.get( url ).then( function ( image ) { assert.strictEqual( image, result, 'image element is cached and not regenerated' ); assert.strictEqual( image.src, url, 'image src is correct' ); } ), imageProvider.get( url2 ).then( function ( image ) { assert.notStrictEqual( image, result, 'image element for different url is not cached' ); assert.strictEqual( image.src, url2, 'image src is correct' ); } ) ); } ); QUnit.test( 'Image load XHR progress funneling', function ( assert ) { var i = 0, imageProvider = new mw.mmv.provider.Image(), oldPerformance = imageProvider.performance, fakeURL = 'fakeURL', response = 'response', done1 = assert.async(), done2 = assert.async(); imageProvider.performance.delay = 0; imageProvider.imagePreloadingSupported = function () { return true; }; imageProvider.rawGet = function () { return $.Deferred().resolve(); }; imageProvider.performance.newXHR = function () { return { readyState: 4, response: response, send: function () { var self = this; // The timeout is necessary because without it notify() happens before // the imageProvider has time to chain its progress() to the returned deferred setTimeout( function () { self.onprogress( { lengthComputable: true, loaded: 10, total: 20 } ); self.onreadystatechange(); } ); }, open: function () {} }; }; imageProvider.performance.recordEntry = function ( type, total, url ) { assert.strictEqual( type, 'image', 'Type matches' ); assert.strictEqual( url, fakeURL, 'URL matches' ); done1(); imageProvider.performance = oldPerformance; return $.Deferred().resolve(); }; imageProvider.get( fakeURL ) .fail( function () { assert.ok( false, 'Image failed to (pretend to) load' ); done2(); } ) .then( function () { assert.ok( true, 'Image was pretend-loaded' ); done2(); } ) .progress( function ( response2, percent ) { if ( i === 0 ) { assert.strictEqual( percent, 50, 'Correctly propagated a 50% progress event' ); assert.strictEqual( response2, response2, 'Partial response propagated' ); } else if ( i === 1 ) { assert.strictEqual( percent, 100, 'Correctly propagated a 100% progress event' ); assert.strictEqual( response2, response2, 'Partial response propagated' ); } else { assert.ok( false, 'Only 2 progress events should propagate' ); } i++; } ); } ); QUnit.test( 'Image load fail', function ( assert ) { var imageProvider = new mw.mmv.provider.Image(), oldMwLog = mw.log, done = assert.async(), mwLogCalled = false; imageProvider.imagePreloadingSupported = function () { return false; }; imageProvider.performance.recordEntry = function () {}; mw.log = function () { mwLogCalled = true; }; imageProvider.get( 'doesntexist.png' ).fail( function () { assert.ok( true, 'fail handler was called' ); assert.ok( mwLogCalled, 'mw.log was called' ); mw.log = oldMwLog; done(); } ); } ); QUnit.test( 'Image load with preloading supported', function ( assert ) { var url = mw.config.get( 'wgExtensionAssetsPath' ) + '/MultimediaViewer/resources/mmv.bootstrap/img/expand.svg', imageProvider = new mw.mmv.provider.Image(), endsWith = function ( a, b ) { return a.indexOf( b ) === a.length - b.length; }; imageProvider.imagePreloadingSupported = function () { return true; }; imageProvider.performance = { record: function () { return $.Deferred().resolve(); } }; return imageProvider.get( url ).then( function ( image ) { // can't test equality as browsers transform this to a full URL assert.ok( endsWith( image.src, url ), 'local image loaded with correct source' ); } ); } ); QUnit.test( 'Failed image load with preloading supported', function ( assert ) { var url = 'nosuchimage.png', imageProvider = new mw.mmv.provider.Image(), done = assert.async(); imageProvider.imagePreloadingSupported = function () { return true; }; imageProvider.performance = { record: function () { return $.Deferred().resolve(); } }; imageProvider.get( url ).fail( function () { assert.ok( true, 'Fail callback called for non-existing image' ); done(); } ); } ); QUnit.test( 'imageQueryParameter', function ( assert ) { var imageProvider = new mw.mmv.provider.Image( 'foo' ); imageProvider.imagePreloadingSupported = function () { return false; }; imageProvider.rawGet = function () { return $.Deferred().resolve(); }; imageProvider.performance.recordEntry = function ( type, total, url ) { assert.strictEqual( url, 'http://www.wikipedia.org/?foo', 'Extra parameter added' ); }; imageProvider.get( 'http://www.wikipedia.org/' ); } ); }() );