tests/qunit/suites/resources/mediawiki/mediawiki.test.js

   1 ( function ( mw, $ ) {
   2         var specialCharactersPageName;
   3
   4         // Since QUnitTestResources.php loads both mediawiki and mediawiki.jqueryMsg as
   5         // dependencies, this only tests the monkey-patched behavior with the two of them combined.
   6
   7         // See mediawiki.jqueryMsg.test.js for unit tests for jqueryMsg-specific functionality.
   8
   9         QUnit.module( 'mediawiki', QUnit.newMwEnvironment( {
  10                 setup: function () {
  11                         // Messages used in multiple tests
  12                         mw.messages.set( {
  13                                 'other-message': 'Other Message',
  14                                 'mediawiki-test-pagetriage-del-talk-page-notify-summary': 'Notifying author of deletion nomination for [[$1]]',
  15                                 'gender-plural-msg': '{{GENDER:$1|he|she|they}} {{PLURAL:$2|is|are}} awesome',
  16                                 'grammar-msg': 'Przeszukaj {{GRAMMAR:grammar_case_foo|{{SITENAME}}}}',
  17                                 'formatnum-msg': '{{formatnum:$1}}',
  18                                 'int-msg': 'Some {{int:other-message}}',
  19                                 'mediawiki-test-version-entrypoints-index-php': '[https://www.mediawiki.org/wiki/Manual:index.php index.php]',
  20                                 'external-link-replace': 'Foo [$1 bar]'
  21                         } );
  22
  23                         mw.config.set( {
  24                                 wgArticlePath: '/wiki/$1',
  25
  26                                 // For formatnum tests
  27                                 wgUserLanguage: 'en'
  28                         } );
  29
  30                         specialCharactersPageName = '"Who" wants to be a millionaire & live on \'Exotic Island\'?';
  31                 }
  32         } ) );
  33
  34         QUnit.test( 'Initial check', 8, function ( assert ) {
  35                 assert.ok( window.jQuery, 'jQuery defined' );
  36                 assert.ok( window.$, '$j defined' );
  37                 assert.ok( window.$j, '$j defined' );
  38                 assert.strictEqual( window.$, window.jQuery, '$ alias to jQuery' );
  39                 assert.strictEqual( window.$j, window.jQuery, '$j alias to jQuery' );
  40
  41                 assert.ok( window.mediaWiki, 'mediaWiki defined' );
  42                 assert.ok( window.mw, 'mw defined' );
  43                 assert.strictEqual( window.mw, window.mediaWiki, 'mw alias to mediaWiki' );
  44         } );
  45
  46         QUnit.test( 'mw.Map', 27, function ( assert ) {
  47                 var arry, conf, funky, globalConf, nummy, someValues;
  48
  49                 conf = new mw.Map();
  50                 // Dummy variables
  51                 funky = function () {};
  52                 arry = [];
  53                 nummy = 7;
  54
  55                 // Single get and set
  56
  57                 assert.strictEqual( conf.set( 'foo', 'Bar' ), true, 'Map.set returns boolean true if a value was set for a valid key string' );
  58                 assert.equal( conf.get( 'foo' ), 'Bar', 'Map.get returns a single value value correctly' );
  59
  60                 assert.strictEqual( conf.get( 'example' ), null, 'Map.get returns null if selection was a string and the key was not found' );
  61                 assert.strictEqual( conf.get( 'example', arry ), arry, 'Map.get returns fallback by reference if the key was not found' );
  62                 assert.strictEqual( conf.get( 'example', undefined ), undefined, 'Map.get supports `undefined` as fallback instead of `null`' );
  63
  64                 assert.strictEqual( conf.get( 'constructor' ), null, 'Map.get does not look at Object.prototype of internal storage (constructor)' );
  65                 assert.strictEqual( conf.get( 'hasOwnProperty' ), null, 'Map.get does not look at Object.prototype of internal storage (hasOwnProperty)' );
  66
  67                 conf.set( 'hasOwnProperty', function () { return true; } );
  68                 assert.strictEqual( conf.get( 'example', 'missing' ), 'missing', 'Map.get uses neutral hasOwnProperty method (positive)' );
  69
  70                 conf.set( 'example', 'Foo' );
  71                 conf.set( 'hasOwnProperty', function () { return false; } );
  72                 assert.strictEqual( conf.get( 'example' ), 'Foo', 'Map.get uses neutral hasOwnProperty method (negative)' );
  73
  74                 assert.strictEqual( conf.set( 'constructor', 42 ), true, 'Map.set for key "constructor"' );
  75                 assert.strictEqual( conf.get( 'constructor' ), 42, 'Map.get for key "constructor"' );
  76
  77                 assert.strictEqual( conf.set( 'ImUndefined', undefined ), true, 'Map.set allows setting value to `undefined`' );
  78                 assert.equal( conf.get( 'ImUndefined', 'fallback' ), undefined , 'Map.get supports retreiving value of `undefined`' );
  79
  80                 assert.strictEqual( conf.set( funky, 'Funky' ), false, 'Map.set returns boolean false if key was invalid (Function)' );
  81                 assert.strictEqual( conf.set( arry, 'Arry' ), false, 'Map.set returns boolean false if key was invalid (Array)' );
  82                 assert.strictEqual( conf.set( nummy, 'Nummy' ), false, 'Map.set returns boolean false if key was invalid (Number)' );
  83
  84                 assert.strictEqual( conf.get( funky ), null, 'Map.get ruturns null if selection was invalid (Function)' );
  85                 assert.strictEqual( conf.get( nummy ), null, 'Map.get ruturns null if selection was invalid (Number)' );
  86
  87                 conf.set( String( nummy ), 'I used to be a number' );
  88
  89                 assert.strictEqual( conf.exists( 'doesNotExist' ), false, 'Map.exists where property does not exist' );
  90                 assert.strictEqual( conf.exists( 'ImUndefined' ), true, 'Map.exists where value is `undefined`' );
  91                 assert.strictEqual( conf.exists( nummy ), false, 'Map.exists where key is invalid but looks like an existing key' );
  92
  93                 // Multiple values at once
  94                 someValues = {
  95                         'foo': 'bar',
  96                         'lorem': 'ipsum',
  97                         'MediaWiki': true
  98                 };
  99                 assert.strictEqual( conf.set( someValues ), true, 'Map.set returns boolean true if multiple values were set by passing an object' );
 100                 assert.deepEqual( conf.get( ['foo', 'lorem'] ), {
 101                         'foo': 'bar',
 102                         'lorem': 'ipsum'
 103                 }, 'Map.get returns multiple values correctly as an object' );
 104
 105                 assert.deepEqual( conf.get( ['foo', 'notExist'] ), {
 106                         'foo': 'bar',
 107                         'notExist': null
 108                 }, 'Map.get return includes keys that were not found as null values' );
 109
 110
 111                 // Interacting with globals and accessing the values object
 112                 assert.strictEqual( conf.get(), conf.values, 'Map.get returns the entire values object by reference (if called without arguments)' );
 113
 114                 conf.set( 'globalMapChecker', 'Hi' );
 115
 116                 assert.ok( 'globalMapChecker' in window === false, 'new mw.Map did not store its values in the global window object by default' );
 117
 118                 globalConf = new mw.Map( true );
 119                 globalConf.set( 'anotherGlobalMapChecker', 'Hello' );
 120
 121                 assert.ok( 'anotherGlobalMapChecker' in window, 'new mw.Map( true ) did store its values in the global window object' );
 122
 123                 // Whitelist this global variable for QUnit's 'noglobal' mode
 124                 if ( QUnit.config.noglobals ) {
 125                         QUnit.config.pollution.push( 'anotherGlobalMapChecker' );
 126                 }
 127         } );
 128
 129         QUnit.test( 'mw.config', 1, function ( assert ) {
 130                 assert.ok( mw.config instanceof mw.Map, 'mw.config instance of mw.Map' );
 131         } );
 132
 133         QUnit.test( 'mw.message & mw.messages', 68, function ( assert ) {
 134                 var goodbye, hello;
 135
 136                 // Convenience method for asserting the same result for multiple formats
 137                 function assertMultipleFormats( messageArguments, formats, expectedResult, assertMessage ) {
 138                         var len = formats.length, format, i;
 139                         for ( i = 0; i < len; i++ ) {
 140                                 format = formats[i];
 141                                 assert.equal( mw.message.apply( null, messageArguments )[format](), expectedResult, assertMessage + ' when format is ' + format );
 142                         }
 143                 }
 144
 145                 assert.ok( mw.messages, 'messages defined' );
 146                 assert.ok( mw.messages instanceof mw.Map, 'mw.messages instance of mw.Map' );
 147                 assert.ok( mw.messages.set( 'hello', 'Hello <b>awesome</b> world' ), 'mw.messages.set: Register' );
 148
 149                 hello = mw.message( 'hello' );
 150
 151                 // https://bugzilla.wikimedia.org/show_bug.cgi?id=44459
 152                 assert.equal( hello.format, 'text', 'Message property "format" defaults to "text"' );
 153
 154                 assert.strictEqual( hello.map, mw.messages, 'Message property "map" defaults to the global instance in mw.messages' );
 155                 assert.equal( hello.key, 'hello', 'Message property "key" (currect key)' );
 156                 assert.deepEqual( hello.parameters, [], 'Message property "parameters" defaults to an empty array' );
 157
 158                 // Todo
 159                 assert.ok( hello.params, 'Message prototype "params"' );
 160
 161                 hello.format = 'plain';
 162                 assert.equal( hello.toString(), 'Hello <b>awesome</b> world', 'Message.toString returns the message as a string with the current "format"' );
 163
 164                 assert.equal( hello.escaped(), 'Hello &lt;b&gt;awesome&lt;/b&gt; world', 'Message.escaped returns the escaped message' );
 165                 assert.equal( hello.format, 'escaped', 'Message.escaped correctly updated the "format" property' );
 166
 167                 assert.ok( mw.messages.set( 'multiple-curly-brace', '"{{SITENAME}}" is the home of {{int:other-message}}' ), 'mw.messages.set: Register' );
 168                 assertMultipleFormats( ['multiple-curly-brace'], ['text', 'parse'], '"' + mw.config.get( 'wgSiteName') + '" is the home of Other Message', 'Curly brace format works correctly' );
 169                 assert.equal( mw.message( 'multiple-curly-brace' ).plain(), mw.messages.get( 'multiple-curly-brace' ), 'Plain format works correctly for curly brace message' );
 170                 assert.equal( mw.message( 'multiple-curly-brace' ).escaped(), mw.html.escape( '"' + mw.config.get( 'wgSiteName') + '" is the home of Other Message' ), 'Escaped format works correctly for curly brace message' );
 171
 172                 assert.ok( mw.messages.set( 'multiple-square-brackets-and-ampersand', 'Visit the [[Project:Community portal|community portal]] & [[Project:Help desk|help desk]]' ), 'mw.messages.set: Register' );
 173                 assertMultipleFormats( ['multiple-square-brackets-and-ampersand'], ['plain', 'text'], mw.messages.get( 'multiple-square-brackets-and-ampersand' ), 'Square bracket message is not processed' );
 174                 assert.equal( mw.message( 'multiple-square-brackets-and-ampersand' ).escaped(), 'Visit the [[Project:Community portal|community portal]] &amp; [[Project:Help desk|help desk]]', 'Escaped format works correctly for square bracket message' );
 175                 assert.htmlEqual( mw.message( 'multiple-square-brackets-and-ampersand' ).parse(), 'Visit the ' +
 176                         '<a title="Project:Community portal" href="/wiki/Project:Community_portal">community portal</a>' +
 177                         ' &amp; <a title="Project:Help desk" href="/wiki/Project:Help_desk">help desk</a>', 'Internal links work with parse' );
 178
 179                 assertMultipleFormats( ['mediawiki-test-version-entrypoints-index-php'], ['plain', 'text', 'escaped'], mw.messages.get( 'mediawiki-test-version-entrypoints-index-php' ), 'External link markup is unprocessed' );
 180                 assert.htmlEqual( mw.message( 'mediawiki-test-version-entrypoints-index-php' ).parse(), '<a href="https://www.mediawiki.org/wiki/Manual:index.php">index.php</a>', 'External link works correctly in parse mode' );
 181
 182                 assertMultipleFormats( ['external-link-replace', 'http://example.org/?x=y&z'], ['plain', 'text'] , 'Foo [http://example.org/?x=y&z bar]', 'Parameters are substituted but external link is not processed' );
 183                 assert.equal( mw.message( 'external-link-replace', 'http://example.org/?x=y&z' ).escaped(), 'Foo [http://example.org/?x=y&amp;z bar]', 'In escaped mode, parameters are substituted and ampersand is escaped, but external link is not processed' );
 184                 assert.htmlEqual( mw.message( 'external-link-replace', 'http://example.org/?x=y&z' ).parse(), 'Foo <a href="http://example.org/?x=y&amp;z">bar</a>', 'External link with replacement works in parse mode without double-escaping' );
 185
 186                 hello.parse();
 187                 assert.equal( hello.format, 'parse', 'Message.parse correctly updated the "format" property' );
 188
 189                 hello.plain();
 190                 assert.equal( hello.format, 'plain', 'Message.plain correctly updated the "format" property' );
 191
 192                 hello.text();
 193                 assert.equal( hello.format, 'text', 'Message.text correctly updated the "format" property' );
 194
 195                 assert.strictEqual( hello.exists(), true, 'Message.exists returns true for existing messages' );
 196
 197                 goodbye = mw.message( 'goodbye' );
 198                 assert.strictEqual( goodbye.exists(), false, 'Message.exists returns false for nonexistent messages' );
 199
 200                 assertMultipleFormats( ['goodbye'], ['plain', 'text'], '<goodbye>', 'Message.toString returns <key> if key does not exist' );
 201                 // bug 30684
 202                 assertMultipleFormats( ['goodbye'], ['parse', 'escaped'], '&lt;goodbye&gt;', 'Message.toString returns properly escaped &lt;key&gt; if key does not exist' );
 203
 204                 assert.ok( mw.messages.set( 'plural-test-msg', 'There {{PLURAL:$1|is|are}} $1 {{PLURAL:$1|result|results}}' ), 'mw.messages.set: Register' );
 205                 assertMultipleFormats( ['plural-test-msg', 6], ['text', 'parse', 'escaped'], 'There are 6 results', 'plural get resolved' );
 206                 assert.equal( mw.message( 'plural-test-msg', 6 ).plain(), 'There {{PLURAL:6|is|are}} 6 {{PLURAL:6|result|results}}', 'Parameter is substituted but plural is not resolved in plain' );
 207
 208                 assertMultipleFormats( ['mediawiki-test-pagetriage-del-talk-page-notify-summary'], ['plain', 'text'], mw.messages.get( 'mediawiki-test-pagetriage-del-talk-page-notify-summary' ), 'Double square brackets with no parameters unchanged' );
 209
 210                 assertMultipleFormats( ['mediawiki-test-pagetriage-del-talk-page-notify-summary', specialCharactersPageName], ['plain', 'text'], 'Notifying author of deletion nomination for [[' + specialCharactersPageName + ']]', 'Double square brackets with one parameter' );
 211
 212                 assert.equal( mw.message( 'mediawiki-test-pagetriage-del-talk-page-notify-summary', specialCharactersPageName ).escaped(), 'Notifying author of deletion nomination for [[' + mw.html.escape( specialCharactersPageName ) + ']]', 'Double square brackets with one parameter, when escaped' );
 213
 214
 215                 assert.ok( mw.messages.set( 'mediawiki-test-categorytree-collapse-bullet', '[<b>−</b>]' ), 'mw.messages.set: Register' );
 216                 assert.equal( mw.message( 'mediawiki-test-categorytree-collapse-bullet' ).plain(), mw.messages.get( 'mediawiki-test-categorytree-collapse-bullet' ), 'Single square brackets unchanged in plain mode' );
 217
 218                 assert.ok( mw.messages.set( 'mediawiki-test-wikieditor-toolbar-help-content-signature-result', '<a href=\'#\' title=\'{{#special:mypage}}\'>Username</a> (<a href=\'#\' title=\'{{#special:mytalk}}\'>talk</a>)' ), 'mw.messages.set: Register' );
 219                 assert.equal( mw.message( 'mediawiki-test-wikieditor-toolbar-help-content-signature-result' ).plain(), mw.messages.get( 'mediawiki-test-wikieditor-toolbar-help-content-signature-result' ), 'HTML message with curly braces is not changed in plain mode' );
 220
 221                 assertMultipleFormats( ['gender-plural-msg', 'male', 1], ['text', 'parse', 'escaped'], 'he is awesome', 'Gender and plural are resolved' );
 222                 assert.equal( mw.message( 'gender-plural-msg', 'male', 1 ).plain(), '{{GENDER:male|he|she|they}} {{PLURAL:1|is|are}} awesome', 'Parameters are substituted, but gender and plural are not resolved in plain mode' );
 223
 224                 assert.equal( mw.message( 'grammar-msg' ).plain(), mw.messages.get( 'grammar-msg' ), 'Grammar is not resolved in plain mode' );
 225                 assertMultipleFormats( ['grammar-msg'], ['text', 'parse'], 'Przeszukaj ' + mw.config.get( 'wgSiteName' ), 'Grammar is resolved' );
 226                 assert.equal( mw.message( 'grammar-msg' ).escaped(), 'Przeszukaj ' + mw.html.escape( mw.config.get( 'wgSiteName' ) ), 'Grammar is resolved in escaped mode' );
 227
 228                 assertMultipleFormats( ['formatnum-msg', '987654321.654321'], ['text', 'parse', 'escaped'], '987,654,321.654', 'formatnum is resolved' );
 229                 assert.equal( mw.message( 'formatnum-msg' ).plain(), mw.messages.get( 'formatnum-msg' ), 'formatnum is not resolved in plain mode' );
 230
 231                 assertMultipleFormats( ['int-msg'], ['text', 'parse', 'escaped'], 'Some Other Message', 'int is resolved' );
 232                 assert.equal( mw.message( 'int-msg' ).plain(), mw.messages.get( 'int-msg' ), 'int is not resolved in plain mode' );
 233         } );
 234
 235         QUnit.test( 'mw.msg', 14, function ( assert ) {
 236                 assert.ok( mw.messages.set( 'hello', 'Hello <b>awesome</b> world' ), 'mw.messages.set: Register' );
 237                 assert.equal( mw.msg( 'hello' ), 'Hello <b>awesome</b> world', 'Gets message with default options (existing message)' );
 238                 assert.equal( mw.msg( 'goodbye' ), '<goodbye>', 'Gets message with default options (nonexistent message)' );
 239
 240                 assert.ok( mw.messages.set( 'plural-item' , 'Found $1 {{PLURAL:$1|item|items}}' ), 'mw.messages.set: Register' );
 241                 assert.equal( mw.msg( 'plural-item', 5 ), 'Found 5 items', 'Apply plural for count 5' );
 242                 assert.equal( mw.msg( 'plural-item', 0 ), 'Found 0 items', 'Apply plural for count 0' );
 243                 assert.equal( mw.msg( 'plural-item', 1 ), 'Found 1 item', 'Apply plural for count 1' );
 244
 245                 assert.equal( mw.msg( 'mediawiki-test-pagetriage-del-talk-page-notify-summary', specialCharactersPageName ), 'Notifying author of deletion nomination for [[' + specialCharactersPageName + ']]', 'Double square brackets in mw.msg one parameter' );
 246
 247                 assert.equal( mw.msg( 'gender-plural-msg', 'male', 1 ), 'he is awesome', 'Gender test for male, plural count 1' );
 248                 assert.equal( mw.msg( 'gender-plural-msg', 'female', '1' ), 'she is awesome', 'Gender test for female, plural count 1' );
 249                 assert.equal( mw.msg( 'gender-plural-msg', 'unknown', 10 ), 'they are awesome', 'Gender test for neutral, plural count 10' );
 250
 251                 assert.equal( mw.msg( 'grammar-msg' ), 'Przeszukaj ' + mw.config.get( 'wgSiteName' ), 'Grammar is resolved' );
 252
 253                 assert.equal( mw.msg( 'formatnum-msg', '987654321.654321' ), '987,654,321.654', 'formatnum is resolved' );
 254
 255                 assert.equal( mw.msg( 'int-msg' ), 'Some Other Message', 'int is resolved' );
 256         } );
 257
 258         /**
 259          * The sync style load test (for @import). This is, in a way, also an open bug for
 260          * ResourceLoader ("execute js after styles are loaded"), but browsers don't offer a
 261          * way to get a callback from when a stylesheet is loaded (that is, including any
 262          * @import rules inside). To work around this, we'll have a little time loop to check
 263          * if the styles apply.
 264          * Note: This test originally used new Image() and onerror to get a callback
 265          * when the url is loaded, but that is fragile since it doesn't monitor the
 266          * same request as the css @import, and Safari 4 has issues with
 267          * onerror/onload not being fired at all in weird cases like this.
 268          */
 269         function assertStyleAsync( assert, $element, prop, val, fn ) {
 270                 var styleTestStart,
 271                         el = $element.get( 0 ),
 272                         styleTestTimeout = ( QUnit.config.testTimeout - 200 ) || 5000;
 273
 274                 function isCssImportApplied() {
 275                         // Trigger reflow, repaint, redraw, whatever (cross-browser)
 276                         var x = $element.css( 'height' );
 277                         x = el.innerHTML;
 278                         el.className = el.className;
 279                         x = document.documentElement.clientHeight;
 280
 281                         return $element.css( prop ) === val;
 282                 }
 283
 284                 function styleTestLoop() {
 285                         var styleTestSince = new Date().getTime() - styleTestStart;
 286                         // If it is passing or if we timed out, run the real test and stop the loop
 287                         if ( isCssImportApplied() || styleTestSince > styleTestTimeout ) {
 288                                 assert.equal( $element.css( prop ), val,
 289                                         'style "' + prop + ': ' + val + '" from url is applied (after ' + styleTestSince + 'ms)'
 290                                 );
 291
 292                                 if ( fn ) {
 293                                         fn();
 294                                 }
 295
 296                                 return;
 297                         }
 298                         // Otherwise, keep polling
 299                         setTimeout( styleTestLoop, 150 );
 300                 }
 301
 302                 // Start the loop
 303                 styleTestStart = new Date().getTime();
 304                 styleTestLoop();
 305         }
 306
 307         function urlStyleTest( selector, prop, val ) {
 308                 return QUnit.fixurl(
 309                         mw.config.get( 'wgScriptPath' ) +
 310                                 '/tests/qunit/data/styleTest.css.php?' +
 311                                 $.param( {
 312                                         selector: selector,
 313                                         prop: prop,
 314                                         val: val
 315                                 } )
 316                 );
 317         }
 318
 319         QUnit.asyncTest( 'mw.loader', 2, function ( assert ) {
 320                 var isAwesomeDone;
 321
 322                 mw.loader.testCallback = function () {
 323                         QUnit.start();
 324                         assert.strictEqual( isAwesomeDone, undefined, 'Implementing module is.awesome: isAwesomeDone should still be undefined' );
 325                         isAwesomeDone = true;
 326                 };
 327
 328                 mw.loader.implement( 'test.callback', [QUnit.fixurl( mw.config.get( 'wgScriptPath' ) + '/tests/qunit/data/callMwLoaderTestCallback.js' )], {}, {} );
 329
 330                 mw.loader.using( 'test.callback', function () {
 331
 332                         // /sample/awesome.js declares the "mw.loader.testCallback" function
 333                         // which contains a call to start() and ok()
 334                         assert.strictEqual( isAwesomeDone, true, 'test.callback module should\'ve caused isAwesomeDone to be true' );
 335                         delete mw.loader.testCallback;
 336
 337                 }, function () {
 338                         QUnit.start();
 339                         assert.ok( false, 'Error callback fired while loader.using "test.callback" module' );
 340                 } );
 341         } );
 342
 343         QUnit.test( 'mw.loader.implement( styles={ "css": [text, ..] } )', 2, function ( assert ) {
 344                 var $element = $( '<div class="mw-test-implement-a"></div>' ).appendTo( '#qunit-fixture' );
 345
 346                 assert.notEqual(
 347                         $element.css( 'float' ),
 348                         'right',
 349                         'style is clear'
 350                 );
 351
 352                 mw.loader.implement(
 353                         'test.implement.a',
 354                         function () {
 355                                 QUnit.stop();
 356                                 setTimeout(function () {
 357                                         assert.equal(
 358                                                 $element.css( 'float' ),
 359                                                 'right',
 360                                                 'style is applied'
 361                                         );
 362                                         QUnit.start();
 363                                 });
 364                         },
 365                         {
 366                                 'all': '.mw-test-implement-a { float: right; }'
 367                         },
 368                         {}
 369                 );
 370
 371                 mw.loader.load( [
 372                         'test.implement.a'
 373                 ] );
 374         } );
 375
 376         QUnit.asyncTest( 'mw.loader.implement( styles={ "url": { <media>: [url, ..] } } )', 7, function ( assert ) {
 377                 var $element1 = $( '<div class="mw-test-implement-b1"></div>' ).appendTo( '#qunit-fixture' ),
 378                         $element2 = $( '<div class="mw-test-implement-b2"></div>' ).appendTo( '#qunit-fixture' ),
 379                         $element3 = $( '<div class="mw-test-implement-b3"></div>' ).appendTo( '#qunit-fixture' );
 380
 381                 assert.notEqual(
 382                         $element1.css( 'text-align' ),
 383                         'center',
 384                         'style is clear'
 385                 );
 386                 assert.notEqual(
 387                         $element2.css( 'float' ),
 388                         'left',
 389                         'style is clear'
 390                 );
 391                 assert.notEqual(
 392                         $element3.css( 'text-align' ),
 393                         'right',
 394                         'style is clear'
 395                 );
 396
 397                 mw.loader.implement(
 398                         'test.implement.b',
 399                         function () {
 400                                 // Note: QUnit.start() must only be called when the entire test is
 401                                 // complete. So, make sure that we don't start until *both*
 402                                 // assertStyleAsync calls have completed.
 403                                 var pending = 2;
 404                                 assertStyleAsync( assert, $element2, 'float', 'left', function () {
 405                                         assert.notEqual( $element1.css( 'text-align' ), 'center', 'print style is not applied' );
 406
 407                                         pending--;
 408                                         if ( pending === 0 ) {
 409                                                 QUnit.start();
 410                                         }
 411                                 } );
 412                                 assertStyleAsync( assert, $element3, 'float', 'right', function () {
 413                                         assert.notEqual( $element1.css( 'text-align' ), 'center', 'print style is not applied' );
 414
 415                                         pending--;
 416                                         if ( pending === 0 ) {
 417                                                 QUnit.start();
 418                                         }
 419                                 } );
 420                         },
 421                         {
 422                                 'url': {
 423                                         'print': [urlStyleTest( '.mw-test-implement-b1', 'text-align', 'center' )],
 424                                         'screen': [
 425                                                 // bug 40834: Make sure it actually works with more than 1 stylesheet reference
 426                                                 urlStyleTest( '.mw-test-implement-b2', 'float', 'left' ),
 427                                                 urlStyleTest( '.mw-test-implement-b3', 'float', 'right' )
 428                                         ]
 429                                 }
 430                         },
 431                         {}
 432                 );
 433
 434                 mw.loader.load( [
 435                         'test.implement.b'
 436                 ] );
 437         } );
 438
 439 // Backwards compatibility
 440         QUnit.test( 'mw.loader.implement( styles={ <media>: text } ) (back-compat)', 2, function ( assert ) {
 441                 var $element = $( '<div class="mw-test-implement-c"></div>' ).appendTo( '#qunit-fixture' );
 442
 443                 assert.notEqual(
 444                         $element.css( 'float' ),
 445                         'right',
 446                         'style is clear'
 447                 );
 448
 449                 mw.loader.implement(
 450                         'test.implement.c',
 451                         function () {
 452                                 QUnit.stop();
 453                                 setTimeout(function () {
 454                                         assert.equal(
 455                                                 $element.css( 'float' ),
 456                                                 'right',
 457                                                 'style is applied'
 458                                         );
 459                                         QUnit.start();
 460                                 });
 461                         },
 462                         {
 463                                 'all': '.mw-test-implement-c { float: right; }'
 464                         },
 465                         {}
 466                 );
 467
 468                 mw.loader.load( [
 469                         'test.implement.c'
 470                 ] );
 471         } );
 472
 473 // Backwards compatibility
 474         QUnit.asyncTest( 'mw.loader.implement( styles={ <media>: [url, ..] } ) (back-compat)', 4, function ( assert ) {
 475                 var $element = $( '<div class="mw-test-implement-d"></div>' ).appendTo( '#qunit-fixture' ),
 476                         $element2 = $( '<div class="mw-test-implement-d2"></div>' ).appendTo( '#qunit-fixture' );
 477
 478                 assert.notEqual(
 479                         $element.css( 'float' ),
 480                         'right',
 481                         'style is clear'
 482                 );
 483                 assert.notEqual(
 484                         $element2.css( 'text-align' ),
 485                         'center',
 486                         'style is clear'
 487                 );
 488
 489                 mw.loader.implement(
 490                         'test.implement.d',
 491                         function () {
 492                                 assertStyleAsync( assert, $element, 'float', 'right', function () {
 493
 494                                         assert.notEqual( $element2.css( 'text-align' ), 'center', 'print style is not applied (bug 40500)' );
 495
 496                                         QUnit.start();
 497                                 } );
 498                         },
 499                         {
 500                                 'all': [urlStyleTest( '.mw-test-implement-d', 'float', 'right' )],
 501                                 'print': [urlStyleTest( '.mw-test-implement-d2', 'text-align', 'center' )]
 502                         },
 503                         {}
 504                 );
 505
 506                 mw.loader.load( [
 507                         'test.implement.d'
 508                 ] );
 509         } );
 510
 511 // @import (bug 31676)
 512         QUnit.asyncTest( 'mw.loader.implement( styles has @import)', 5, function ( assert ) {
 513                 var isJsExecuted, $element;
 514
 515                 mw.loader.implement(
 516                         'test.implement.import',
 517                         function () {
 518                                 assert.strictEqual( isJsExecuted, undefined, 'javascript not executed multiple times' );
 519                                 isJsExecuted = true;
 520
 521                                 assert.equal( mw.loader.getState( 'test.implement.import' ), 'ready', 'module state is "ready" while implement() is executing javascript' );
 522
 523                                 $element = $( '<div class="mw-test-implement-import">Foo bar</div>' ).appendTo( '#qunit-fixture' );
 524
 525                                 assert.equal( mw.msg( 'test-foobar' ), 'Hello Foobar, $1!', 'Messages are loaded before javascript execution' );
 526
 527                                 assertStyleAsync( assert, $element, 'float', 'right', function () {
 528                                         assert.equal( $element.css( 'text-align' ), 'center',
 529                                                 'CSS styles after the @import rule are working'
 530                                         );
 531
 532                                         QUnit.start();
 533                                 } );
 534                         },
 535                         {
 536                                 'css': [
 537                                         '@import url(\''
 538                                                 + urlStyleTest( '.mw-test-implement-import', 'float', 'right' )
 539                                                 + '\');\n'
 540                                                 + '.mw-test-implement-import { text-align: center; }'
 541                                 ]
 542                         },
 543                         {
 544                                 'test-foobar': 'Hello Foobar, $1!'
 545                         }
 546                 );
 547
 548                 mw.loader.load( 'test.implement' );
 549
 550         } );
 551
 552         QUnit.asyncTest( 'mw.loader.implement( only messages )', 2, function ( assert ) {
 553                 assert.assertFalse( mw.messages.exists( 'bug_29107' ), 'Verify that the test message doesn\'t exist yet' );
 554
 555                 mw.loader.implement( 'test.implement.msgs', [], {}, { 'bug_29107': 'loaded' } );
 556                 mw.loader.using( 'test.implement.msgs', function () {
 557                         QUnit.start();
 558                         assert.ok( mw.messages.exists( 'bug_29107' ), 'Bug 29107: messages-only module should implement ok' );
 559                 }, function () {
 560                         QUnit.start();
 561                         assert.ok( false, 'Error callback fired while implementing "test.implement.msgs" module' );
 562                 } );
 563         } );
 564
 565         QUnit.test( 'mw.loader erroneous indirect dependency', 3, function ( assert ) {
 566                 mw.loader.register( [
 567                         ['test.module1', '0'],
 568                         ['test.module2', '0', ['test.module1']],
 569                         ['test.module3', '0', ['test.module2']]
 570                 ] );
 571                 mw.loader.implement( 'test.module1', function () {
 572                         throw new Error( 'expected' );
 573                 }, {}, {} );
 574                 assert.strictEqual( mw.loader.getState( 'test.module1' ), 'error', 'Expected "error" state for test.module1' );
 575                 assert.strictEqual( mw.loader.getState( 'test.module2' ), 'error', 'Expected "error" state for test.module2' );
 576                 assert.strictEqual( mw.loader.getState( 'test.module3' ), 'error', 'Expected "error" state for test.module3' );
 577         } );
 578
 579         QUnit.test( 'mw.loader out-of-order implementation', 9, function ( assert ) {
 580                 mw.loader.register( [
 581                         ['test.module4', '0'],
 582                         ['test.module5', '0', ['test.module4']],
 583                         ['test.module6', '0', ['test.module5']]
 584                 ] );
 585                 mw.loader.implement( 'test.module4', function () {
 586                 }, {}, {} );
 587                 assert.strictEqual( mw.loader.getState( 'test.module4' ), 'ready', 'Expected "ready" state for test.module4' );
 588                 assert.strictEqual( mw.loader.getState( 'test.module5' ), 'registered', 'Expected "registered" state for test.module5' );
 589                 assert.strictEqual( mw.loader.getState( 'test.module6' ), 'registered', 'Expected "registered" state for test.module6' );
 590                 mw.loader.implement( 'test.module6', function () {
 591                 }, {}, {} );
 592                 assert.strictEqual( mw.loader.getState( 'test.module4' ), 'ready', 'Expected "ready" state for test.module4' );
 593                 assert.strictEqual( mw.loader.getState( 'test.module5' ), 'registered', 'Expected "registered" state for test.module5' );
 594                 assert.strictEqual( mw.loader.getState( 'test.module6' ), 'loaded', 'Expected "loaded" state for test.module6' );
 595                 mw.loader.implement( 'test.module5', function () {
 596                 }, {}, {} );
 597                 assert.strictEqual( mw.loader.getState( 'test.module4' ), 'ready', 'Expected "ready" state for test.module4' );
 598                 assert.strictEqual( mw.loader.getState( 'test.module5' ), 'ready', 'Expected "ready" state for test.module5' );
 599                 assert.strictEqual( mw.loader.getState( 'test.module6' ), 'ready', 'Expected "ready" state for test.module6' );
 600         } );
 601
 602         QUnit.test( 'mw.loader missing dependency', 13, function ( assert ) {
 603                 mw.loader.register( [
 604                         ['test.module7', '0'],
 605                         ['test.module8', '0', ['test.module7']],
 606                         ['test.module9', '0', ['test.module8']]
 607                 ] );
 608                 mw.loader.implement( 'test.module8', function () {
 609                 }, {}, {} );
 610                 assert.strictEqual( mw.loader.getState( 'test.module7' ), 'registered', 'Expected "registered" state for test.module7' );
 611                 assert.strictEqual( mw.loader.getState( 'test.module8' ), 'loaded', 'Expected "loaded" state for test.module8' );
 612                 assert.strictEqual( mw.loader.getState( 'test.module9' ), 'registered', 'Expected "registered" state for test.module9' );
 613                 mw.loader.state( 'test.module7', 'missing' );
 614                 assert.strictEqual( mw.loader.getState( 'test.module7' ), 'missing', 'Expected "missing" state for test.module7' );
 615                 assert.strictEqual( mw.loader.getState( 'test.module8' ), 'error', 'Expected "error" state for test.module8' );
 616                 assert.strictEqual( mw.loader.getState( 'test.module9' ), 'error', 'Expected "error" state for test.module9' );
 617                 mw.loader.implement( 'test.module9', function () {
 618                 }, {}, {} );
 619                 assert.strictEqual( mw.loader.getState( 'test.module7' ), 'missing', 'Expected "missing" state for test.module7' );
 620                 assert.strictEqual( mw.loader.getState( 'test.module8' ), 'error', 'Expected "error" state for test.module8' );
 621                 assert.strictEqual( mw.loader.getState( 'test.module9' ), 'error', 'Expected "error" state for test.module9' );
 622                 mw.loader.using(
 623                         ['test.module7'],
 624                         function () {
 625                                 assert.ok( false, 'Success fired despite missing dependency' );
 626                                 assert.ok( true, 'QUnit expected() count dummy' );
 627                         },
 628                         function ( e, dependencies ) {
 629                                 assert.strictEqual( $.isArray( dependencies ), true, 'Expected array of dependencies' );
 630                                 assert.deepEqual( dependencies, ['test.module7'], 'Error callback called with module test.module7' );
 631                         }
 632                 );
 633                 mw.loader.using(
 634                         ['test.module9'],
 635                         function () {
 636                                 assert.ok( false, 'Success fired despite missing dependency' );
 637                                 assert.ok( true, 'QUnit expected() count dummy' );
 638                         },
 639                         function ( e, dependencies ) {
 640                                 assert.strictEqual( $.isArray( dependencies ), true, 'Expected array of dependencies' );
 641                                 dependencies.sort();
 642                                 assert.deepEqual(
 643                                         dependencies,
 644                                         ['test.module7', 'test.module8', 'test.module9'],
 645                                         'Error callback called with all three modules as dependencies'
 646                                 );
 647                         }
 648                 );
 649         } );
 650
 651         QUnit.asyncTest( 'mw.loader dependency handling', 5, function ( assert ) {
 652                 mw.loader.addSource(
 653                         'testloader',
 654                         {
 655                                 loadScript: QUnit.fixurl( mw.config.get( 'wgScriptPath' ) + '/tests/qunit/data/load.mock.php' )
 656                         }
 657                 );
 658
 659                 mw.loader.register( [
 660                         // [module, version, dependencies, group, source]
 661                         ['testMissing', '1', [], null, 'testloader'],
 662                         ['testUsesMissing', '1', ['testMissing'], null, 'testloader'],
 663                         ['testUsesNestedMissing', '1', ['testUsesMissing'], null, 'testloader']
 664                 ] );
 665
 666                 function verifyModuleStates() {
 667                         assert.equal( mw.loader.getState( 'testMissing' ), 'missing', 'Module not known to server must have state "missing"' );
 668                         assert.equal( mw.loader.getState( 'testUsesMissing' ), 'error', 'Module with missing dependency must have state "error"' );
 669                         assert.equal( mw.loader.getState( 'testUsesNestedMissing' ), 'error', 'Module with indirect missing dependency must have state "error"' );
 670                 }
 671
 672                 mw.loader.using( ['testUsesNestedMissing'],
 673                         function () {
 674                                 assert.ok( false, 'Error handler should be invoked.' );
 675                                 assert.ok( true ); // Dummy to reach QUnit expect()
 676
 677                                 verifyModuleStates();
 678
 679                                 QUnit.start();
 680                         },
 681                         function ( e, badmodules ) {
 682                                 assert.ok( true, 'Error handler should be invoked.' );
 683                                 // As soon as server spits out state('testMissing', 'missing');
 684                                 // it will bubble up and trigger the error callback.
 685                                 // Therefor the badmodules array is not testUsesMissing or testUsesNestedMissing.
 686                                 assert.deepEqual( badmodules, ['testMissing'], 'Bad modules as expected.' );
 687
 688                                 verifyModuleStates();
 689
 690                                 QUnit.start();
 691                         }
 692                 );
 693         } );
 694
 695         QUnit.asyncTest( 'mw.loader( "//protocol-relative" ) (bug 30825)', 2, function ( assert ) {
 696                 // This bug was actually already fixed in 1.18 and later when discovered in 1.17.
 697                 // Test is for regressions!
 698
 699                 // Forge an URL to the test callback script
 700                 var target = QUnit.fixurl(
 701                         mw.config.get( 'wgServer' ) + mw.config.get( 'wgScriptPath' ) + '/tests/qunit/data/qunitOkCall.js'
 702                 );
 703
 704                 // Confirm that mw.loader.load() works with protocol-relative URLs
 705                 target = target.replace( /https?:/, '' );
 706
 707                 assert.equal( target.substr( 0, 2 ), '//',
 708                         'URL must be relative to test relative URLs!'
 709                 );
 710
 711                 // Async!
 712                 // The target calls QUnit.start
 713                 mw.loader.load( target );
 714         } );
 715
 716         QUnit.test( 'mw.html', 13, function ( assert ) {
 717                 assert.throws( function () {
 718                         mw.html.escape();
 719                 }, TypeError, 'html.escape throws a TypeError if argument given is not a string' );
 720
 721                 assert.equal( mw.html.escape( '<mw awesome="awesome" value=\'test\' />' ),
 722                         '&lt;mw awesome=&quot;awesome&quot; value=&#039;test&#039; /&gt;', 'escape() escapes special characters to html entities' );
 723
 724                 assert.equal( mw.html.element(),
 725                         '<undefined/>', 'element() always returns a valid html string (even without arguments)' );
 726
 727                 assert.equal( mw.html.element( 'div' ), '<div/>', 'element() Plain DIV (simple)' );
 728
 729                 assert.equal( mw.html.element( 'div', {}, '' ), '<div></div>', 'element() Basic DIV (simple)' );
 730
 731                 assert.equal(
 732                         mw.html.element(
 733                                 'div', {
 734                                         id: 'foobar'
 735                                 }
 736                         ),
 737                         '<div id="foobar"/>',
 738                         'html.element DIV (attribs)' );
 739
 740                 assert.equal( mw.html.element( 'p', null, 12 ), '<p>12</p>', 'Numbers are valid content and should be casted to a string' );
 741
 742                 assert.equal( mw.html.element( 'p', { title: 12 }, '' ), '<p title="12"></p>', 'Numbers are valid attribute values' );
 743
 744                 // Example from https://www.mediawiki.org/wiki/ResourceLoader/Default_modules#mediaWiki.html
 745                 assert.equal(
 746                         mw.html.element(
 747                                 'div',
 748                                 {},
 749                                 new mw.html.Raw(
 750                                         mw.html.element( 'img', { src: '<' } )
 751                                 )
 752                         ),
 753                         '<div><img src="&lt;"/></div>',
 754                         'Raw inclusion of another element'
 755                 );
 756
 757                 assert.equal(
 758                         mw.html.element(
 759                                 'option', {
 760                                         selected: true
 761                                 }, 'Foo'
 762                         ),
 763                         '<option selected="selected">Foo</option>',
 764                         'Attributes may have boolean values. True copies the attribute name to the value.'
 765                 );
 766
 767                 assert.equal(
 768                         mw.html.element(
 769                                 'option', {
 770                                         value: 'foo',
 771                                         selected: false
 772                                 }, 'Foo'
 773                         ),
 774                         '<option value="foo">Foo</option>',
 775                         'Attributes may have boolean values. False keeps the attribute from output.'
 776                 );
 777
 778                 assert.equal( mw.html.element( 'div',
 779                         null, 'a' ),
 780                         '<div>a</div>',
 781                         'html.element DIV (content)' );
 782
 783                 assert.equal( mw.html.element( 'a',
 784                         { href: 'http://mediawiki.org/w/index.php?title=RL&action=history' }, 'a' ),
 785                         '<a href="http://mediawiki.org/w/index.php?title=RL&amp;action=history">a</a>',
 786                         'html.element DIV (attribs + content)' );
 787
 788         } );
 789
 790 }( mediaWiki, jQuery ) );