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

   1 /*jshint -W024 */
   2 ( function ( mw, $ ) {
   3         var specialCharactersPageName;
   4
   5         // Since QUnitTestResources.php loads both mediawiki and mediawiki.jqueryMsg as
   6         // dependencies, this only tests the monkey-patched behavior with the two of them combined.
   7
   8         // See mediawiki.jqueryMsg.test.js for unit tests for jqueryMsg-specific functionality.
   9
  10         QUnit.module( 'mediawiki', QUnit.newMwEnvironment( {
  11                 setup: function () {
  12                         specialCharactersPageName = '"Who" wants to be a millionaire & live on \'Exotic Island\'?';
  13                 },
  14                 config: {
  15                         wgArticlePath: '/wiki/$1',
  16
  17                         // For formatnum tests
  18                         wgUserLanguage: 'en'
  19                 },
  20                 // Messages used in multiple tests
  21                 messages: {
  22                         'other-message': 'Other Message',
  23                         'mediawiki-test-pagetriage-del-talk-page-notify-summary': 'Notifying author of deletion nomination for [[$1]]',
  24                         'gender-plural-msg': '{{GENDER:$1|he|she|they}} {{PLURAL:$2|is|are}} awesome',
  25                         'grammar-msg': 'Przeszukaj {{GRAMMAR:grammar_case_foo|{{SITENAME}}}}',
  26                         'formatnum-msg': '{{formatnum:$1}}',
  27                         'int-msg': 'Some {{int:other-message}}',
  28                         'mediawiki-test-version-entrypoints-index-php': '[https://www.mediawiki.org/wiki/Manual:index.php index.php]',
  29                         'external-link-replace': 'Foo [$1 bar]'
  30                 }
  31         } ) );
  32
  33         mw.loader.addSource(
  34                 'testloader',
  35                 QUnit.fixurl( mw.config.get( 'wgScriptPath' ) + '/tests/qunit/data/load.mock.php' )
  36         );
  37
  38         QUnit.test( 'Initial check', 8, function ( assert ) {
  39                 assert.ok( window.jQuery, 'jQuery defined' );
  40                 assert.ok( window.$, '$ defined' );
  41                 assert.strictEqual( window.$, window.jQuery, '$ alias to jQuery' );
  42
  43                 this.suppressWarnings();
  44                 assert.ok( window.$j, '$j defined' );
  45                 assert.strictEqual( window.$j, window.jQuery, '$j alias to jQuery' );
  46                 this.restoreWarnings();
  47
  48                 // window.mw and window.mediaWiki are not deprecated, but for some reason
  49                 // PhantomJS is triggerring the accessors on all mw.* properties in this test,
  50                 // and with that lots of unrelated deprecation notices.
  51                 this.suppressWarnings();
  52                 assert.ok( window.mediaWiki, 'mediaWiki defined' );
  53                 assert.ok( window.mw, 'mw defined' );
  54                 assert.strictEqual( window.mw, window.mediaWiki, 'mw alias to mediaWiki' );
  55                 this.restoreWarnings();
  56         } );
  57
  58         QUnit.test( 'mw.Map', 28, function ( assert ) {
  59                 var arry, conf, funky, globalConf, nummy, someValues;
  60
  61                 conf = new mw.Map();
  62                 // Dummy variables
  63                 funky = function () {};
  64                 arry = [];
  65                 nummy = 7;
  66
  67                 // Single get and set
  68
  69                 assert.strictEqual( conf.set( 'foo', 'Bar' ), true, 'Map.set returns boolean true if a value was set for a valid key string' );
  70                 assert.equal( conf.get( 'foo' ), 'Bar', 'Map.get returns a single value value correctly' );
  71
  72                 assert.strictEqual( conf.get( 'example' ), null, 'Map.get returns null if selection was a string and the key was not found' );
  73                 assert.strictEqual( conf.get( 'example', arry ), arry, 'Map.get returns fallback by reference if the key was not found' );
  74                 assert.strictEqual( conf.get( 'example', undefined ), undefined, 'Map.get supports `undefined` as fallback instead of `null`' );
  75
  76                 assert.strictEqual( conf.get( 'constructor' ), null, 'Map.get does not look at Object.prototype of internal storage (constructor)' );
  77                 assert.strictEqual( conf.get( 'hasOwnProperty' ), null, 'Map.get does not look at Object.prototype of internal storage (hasOwnProperty)' );
  78
  79                 conf.set( 'hasOwnProperty', function () { return true; } );
  80                 assert.strictEqual( conf.get( 'example', 'missing' ), 'missing', 'Map.get uses neutral hasOwnProperty method (positive)' );
  81
  82                 conf.set( 'example', 'Foo' );
  83                 conf.set( 'hasOwnProperty', function () { return false; } );
  84                 assert.strictEqual( conf.get( 'example' ), 'Foo', 'Map.get uses neutral hasOwnProperty method (negative)' );
  85
  86                 assert.strictEqual( conf.set( 'constructor', 42 ), true, 'Map.set for key "constructor"' );
  87                 assert.strictEqual( conf.get( 'constructor' ), 42, 'Map.get for key "constructor"' );
  88
  89                 assert.strictEqual( conf.set( 'ImUndefined', undefined ), true, 'Map.set allows setting value to `undefined`' );
  90                 assert.equal( conf.get( 'ImUndefined', 'fallback' ), undefined, 'Map.get supports retreiving value of `undefined`' );
  91
  92                 assert.strictEqual( conf.set( funky, 'Funky' ), false, 'Map.set returns boolean false if key was invalid (Function)' );
  93                 assert.strictEqual( conf.set( arry, 'Arry' ), false, 'Map.set returns boolean false if key was invalid (Array)' );
  94                 assert.strictEqual( conf.set( nummy, 'Nummy' ), false, 'Map.set returns boolean false if key was invalid (Number)' );
  95
  96                 assert.strictEqual( conf.get( funky ), null, 'Map.get ruturns null if selection was invalid (Function)' );
  97                 assert.strictEqual( conf.get( nummy ), null, 'Map.get ruturns null if selection was invalid (Number)' );
  98
  99                 conf.set( String( nummy ), 'I used to be a number' );
 100
 101                 assert.strictEqual( conf.exists( 'doesNotExist' ), false, 'Map.exists where property does not exist' );
 102                 assert.strictEqual( conf.exists( 'ImUndefined' ), true, 'Map.exists where value is `undefined`' );
 103                 assert.strictEqual( conf.exists( nummy ), false, 'Map.exists where key is invalid but looks like an existing key' );
 104
 105                 // Multiple values at once
 106                 someValues = {
 107                         'foo': 'bar',
 108                         'lorem': 'ipsum',
 109                         'MediaWiki': true
 110                 };
 111                 assert.strictEqual( conf.set( someValues ), true, 'Map.set returns boolean true if multiple values were set by passing an object' );
 112                 assert.deepEqual( conf.get( ['foo', 'lorem'] ), {
 113                         'foo': 'bar',
 114                         'lorem': 'ipsum'
 115                 }, 'Map.get returns multiple values correctly as an object' );
 116
 117                 assert.deepEqual( conf, new mw.Map( conf.values ), 'new mw.Map maps over existing values-bearing object' );
 118
 119                 assert.deepEqual( conf.get( ['foo', 'notExist'] ), {
 120                         'foo': 'bar',
 121                         'notExist': null
 122                 }, 'Map.get return includes keys that were not found as null values' );
 123
 124                 // Interacting with globals and accessing the values object
 125                 assert.strictEqual( conf.get(), conf.values, 'Map.get returns the entire values object by reference (if called without arguments)' );
 126
 127                 conf.set( 'globalMapChecker', 'Hi' );
 128
 129                 assert.ok( 'globalMapChecker' in window === false, 'new mw.Map did not store its values in the global window object by default' );
 130
 131                 globalConf = new mw.Map( true );
 132                 globalConf.set( 'anotherGlobalMapChecker', 'Hello' );
 133
 134                 assert.ok( 'anotherGlobalMapChecker' in window, 'new mw.Map( true ) did store its values in the global window object' );
 135
 136                 // Whitelist this global variable for QUnit's 'noglobal' mode
 137                 if ( QUnit.config.noglobals ) {
 138                         QUnit.config.pollution.push( 'anotherGlobalMapChecker' );
 139                 }
 140         } );
 141
 142         QUnit.test( 'mw.config', 1, function ( assert ) {
 143                 assert.ok( mw.config instanceof mw.Map, 'mw.config instance of mw.Map' );
 144         } );
 145
 146         QUnit.test( 'mw.message & mw.messages', 100, function ( assert ) {
 147                 var goodbye, hello;
 148
 149                 // Convenience method for asserting the same result for multiple formats
 150                 function assertMultipleFormats( messageArguments, formats, expectedResult, assertMessage ) {
 151                         var len = formats.length, format, i;
 152                         for ( i = 0; i < len; i++ ) {
 153                                 format = formats[i];
 154                                 assert.equal( mw.message.apply( null, messageArguments )[format](), expectedResult, assertMessage + ' when format is ' + format );
 155                         }
 156                 }
 157
 158                 assert.ok( mw.messages, 'messages defined' );
 159                 assert.ok( mw.messages instanceof mw.Map, 'mw.messages instance of mw.Map' );
 160                 assert.ok( mw.messages.set( 'hello', 'Hello <b>awesome</b> world' ), 'mw.messages.set: Register' );
 161
 162                 hello = mw.message( 'hello' );
 163
 164                 // https://bugzilla.wikimedia.org/show_bug.cgi?id=44459
 165                 assert.equal( hello.format, 'text', 'Message property "format" defaults to "text"' );
 166
 167                 assert.strictEqual( hello.map, mw.messages, 'Message property "map" defaults to the global instance in mw.messages' );
 168                 assert.equal( hello.key, 'hello', 'Message property "key" (currect key)' );
 169                 assert.deepEqual( hello.parameters, [], 'Message property "parameters" defaults to an empty array' );
 170
 171                 // Todo
 172                 assert.ok( hello.params, 'Message prototype "params"' );
 173
 174                 hello.format = 'plain';
 175                 assert.equal( hello.toString(), 'Hello <b>awesome</b> world', 'Message.toString returns the message as a string with the current "format"' );
 176
 177                 assert.equal( hello.escaped(), 'Hello &lt;b&gt;awesome&lt;/b&gt; world', 'Message.escaped returns the escaped message' );
 178                 assert.equal( hello.format, 'escaped', 'Message.escaped correctly updated the "format" property' );
 179
 180                 assert.ok( mw.messages.set( 'multiple-curly-brace', '"{{SITENAME}}" is the home of {{int:other-message}}' ), 'mw.messages.set: Register' );
 181                 assertMultipleFormats( ['multiple-curly-brace'], ['text', 'parse'], '"' + mw.config.get( 'wgSiteName') + '" is the home of Other Message', 'Curly brace format works correctly' );
 182                 assert.equal( mw.message( 'multiple-curly-brace' ).plain(), mw.messages.get( 'multiple-curly-brace' ), 'Plain format works correctly for curly brace message' );
 183                 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' );
 184
 185                 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' );
 186                 assertMultipleFormats( ['multiple-square-brackets-and-ampersand'], ['plain', 'text'], mw.messages.get( 'multiple-square-brackets-and-ampersand' ), 'Square bracket message is not processed' );
 187                 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' );
 188                 assert.htmlEqual( mw.message( 'multiple-square-brackets-and-ampersand' ).parse(), 'Visit the ' +
 189                         '<a title="Project:Community portal" href="/wiki/Project:Community_portal">community portal</a>' +
 190                         ' &amp; <a title="Project:Help desk" href="/wiki/Project:Help_desk">help desk</a>', 'Internal links work with parse' );
 191
 192                 assertMultipleFormats( ['mediawiki-test-version-entrypoints-index-php'], ['plain', 'text', 'escaped'], mw.messages.get( 'mediawiki-test-version-entrypoints-index-php' ), 'External link markup is unprocessed' );
 193                 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' );
 194
 195                 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' );
 196                 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' );
 197                 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' );
 198
 199                 hello.parse();
 200                 assert.equal( hello.format, 'parse', 'Message.parse correctly updated the "format" property' );
 201
 202                 hello.plain();
 203                 assert.equal( hello.format, 'plain', 'Message.plain correctly updated the "format" property' );
 204
 205                 hello.text();
 206                 assert.equal( hello.format, 'text', 'Message.text correctly updated the "format" property' );
 207
 208                 assert.strictEqual( hello.exists(), true, 'Message.exists returns true for existing messages' );
 209
 210                 goodbye = mw.message( 'goodbye' );
 211                 assert.strictEqual( goodbye.exists(), false, 'Message.exists returns false for nonexistent messages' );
 212
 213                 assertMultipleFormats( ['goodbye'], ['plain', 'text'], '<goodbye>', 'Message.toString returns <key> if key does not exist' );
 214                 // bug 30684
 215                 assertMultipleFormats( ['goodbye'], ['parse', 'escaped'], '&lt;goodbye&gt;', 'Message.toString returns properly escaped &lt;key&gt; if key does not exist' );
 216
 217                 assert.ok( mw.messages.set( 'plural-test-msg', 'There {{PLURAL:$1|is|are}} $1 {{PLURAL:$1|result|results}}' ), 'mw.messages.set: Register' );
 218                 assertMultipleFormats( ['plural-test-msg', 6], ['text', 'parse', 'escaped'], 'There are 6 results', 'plural get resolved' );
 219                 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' );
 220
 221                 assert.ok( mw.messages.set( 'plural-test-msg-explicit', 'There {{plural:$1|is one car|are $1 cars|0=are no cars|12=are a dozen cars}}' ), 'mw.messages.set: Register message with explicit plural forms' );
 222                 assertMultipleFormats( ['plural-test-msg-explicit', 12], ['text', 'parse', 'escaped'], 'There are a dozen cars', 'explicit plural get resolved' );
 223
 224                 assert.ok( mw.messages.set( 'plural-test-msg-explicit-beginning', 'Basket has {{plural:$1|0=no eggs|12=a dozen eggs|6=half a dozen eggs|one egg|$1 eggs}}' ), 'mw.messages.set: Register message with explicit plural forms' );
 225                 assertMultipleFormats( ['plural-test-msg-explicit-beginning', 1], ['text', 'parse', 'escaped'], 'Basket has one egg', 'explicit plural given at beginning get resolved for singular' );
 226                 assertMultipleFormats( ['plural-test-msg-explicit-beginning', 4], ['text', 'parse', 'escaped'], 'Basket has 4 eggs', 'explicit plural given at beginning get resolved for plural' );
 227                 assertMultipleFormats( ['plural-test-msg-explicit-beginning', 6], ['text', 'parse', 'escaped'], 'Basket has half a dozen eggs', 'explicit plural given at beginning get resolved for 6' );
 228                 assertMultipleFormats( ['plural-test-msg-explicit-beginning', 0], ['text', 'parse', 'escaped'], 'Basket has no eggs', 'explicit plural given at beginning get resolved for 0' );
 229
 230                 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' );
 231
 232                 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' );
 233
 234                 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' );
 235
 236                 assert.ok( mw.messages.set( 'mediawiki-test-categorytree-collapse-bullet', '[<b>−</b>]' ), 'mw.messages.set: Register' );
 237                 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' );
 238
 239                 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' );
 240                 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' );
 241
 242                 assertMultipleFormats( ['gender-plural-msg', 'male', 1], ['text', 'parse', 'escaped'], 'he is awesome', 'Gender and plural are resolved' );
 243                 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' );
 244
 245                 assert.equal( mw.message( 'grammar-msg' ).plain(), mw.messages.get( 'grammar-msg' ), 'Grammar is not resolved in plain mode' );
 246                 assertMultipleFormats( ['grammar-msg'], ['text', 'parse'], 'Przeszukaj ' + mw.config.get( 'wgSiteName' ), 'Grammar is resolved' );
 247                 assert.equal( mw.message( 'grammar-msg' ).escaped(), 'Przeszukaj ' + mw.html.escape( mw.config.get( 'wgSiteName' ) ), 'Grammar is resolved in escaped mode' );
 248
 249                 assertMultipleFormats( ['formatnum-msg', '987654321.654321'], ['text', 'parse', 'escaped'], '987,654,321.654', 'formatnum is resolved' );
 250                 assert.equal( mw.message( 'formatnum-msg' ).plain(), mw.messages.get( 'formatnum-msg' ), 'formatnum is not resolved in plain mode' );
 251
 252                 assertMultipleFormats( ['int-msg'], ['text', 'parse', 'escaped'], 'Some Other Message', 'int is resolved' );
 253                 assert.equal( mw.message( 'int-msg' ).plain(), mw.messages.get( 'int-msg' ), 'int is not resolved in plain mode' );
 254
 255                 assert.ok( mw.messages.set( 'mediawiki-italics-msg', '<i>Very</i> important' ), 'mw.messages.set: Register' );
 256                 assertMultipleFormats( ['mediawiki-italics-msg'], ['plain', 'text', 'parse'], mw.messages.get( 'mediawiki-italics-msg' ), 'Simple italics unchanged' );
 257                 assert.htmlEqual(
 258                         mw.message( 'mediawiki-italics-msg' ).escaped(),
 259                         '&lt;i&gt;Very&lt;/i&gt; important',
 260                         'Italics are escaped in escaped mode'
 261                 );
 262
 263                 assert.ok( mw.messages.set( 'mediawiki-italics-with-link', 'An <i>italicized [[link|wiki-link]]</i>' ), 'mw.messages.set: Register' );
 264                 assertMultipleFormats( ['mediawiki-italics-with-link'], ['plain', 'text'], mw.messages.get( 'mediawiki-italics-with-link' ), 'Italics with link unchanged' );
 265                 assert.htmlEqual(
 266                         mw.message( 'mediawiki-italics-with-link' ).escaped(),
 267                         'An &lt;i&gt;italicized [[link|wiki-link]]&lt;/i&gt;',
 268                         'Italics and link unchanged except for escaping in escaped mode'
 269                 );
 270                 assert.htmlEqual(
 271                         mw.message( 'mediawiki-italics-with-link' ).parse(),
 272                         'An <i>italicized <a title="link" href="' + mw.util.getUrl( 'link' ) + '">wiki-link</i>',
 273                         'Italics with link inside in parse mode'
 274                 );
 275
 276                 assert.ok( mw.messages.set( 'mediawiki-script-msg', '<script  >alert( "Who put this script here?" );</script>' ), 'mw.messages.set: Register' );
 277                 assertMultipleFormats( ['mediawiki-script-msg'], ['plain', 'text'], mw.messages.get( 'mediawiki-script-msg' ), 'Script unchanged' );
 278                 assert.htmlEqual(
 279                         mw.message( 'mediawiki-script-msg' ).escaped(),
 280                         '&lt;script  &gt;alert( "Who put this script here?" );&lt;/script&gt;',
 281                         'Script escaped when using escaped format'
 282                 );
 283                 assert.htmlEqual(
 284                         mw.message( 'mediawiki-script-msg' ).parse(),
 285                         '&lt;script  &gt;alert( "Who put this script here?" );&lt;/script&gt;',
 286                         'Script escaped when using parse format'
 287                 );
 288
 289         } );
 290
 291         QUnit.test( 'mw.msg', 14, function ( assert ) {
 292                 assert.ok( mw.messages.set( 'hello', 'Hello <b>awesome</b> world' ), 'mw.messages.set: Register' );
 293                 assert.equal( mw.msg( 'hello' ), 'Hello <b>awesome</b> world', 'Gets message with default options (existing message)' );
 294                 assert.equal( mw.msg( 'goodbye' ), '<goodbye>', 'Gets message with default options (nonexistent message)' );
 295
 296                 assert.ok( mw.messages.set( 'plural-item', 'Found $1 {{PLURAL:$1|item|items}}' ), 'mw.messages.set: Register' );
 297                 assert.equal( mw.msg( 'plural-item', 5 ), 'Found 5 items', 'Apply plural for count 5' );
 298                 assert.equal( mw.msg( 'plural-item', 0 ), 'Found 0 items', 'Apply plural for count 0' );
 299                 assert.equal( mw.msg( 'plural-item', 1 ), 'Found 1 item', 'Apply plural for count 1' );
 300
 301                 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' );
 302
 303                 assert.equal( mw.msg( 'gender-plural-msg', 'male', 1 ), 'he is awesome', 'Gender test for male, plural count 1' );
 304                 assert.equal( mw.msg( 'gender-plural-msg', 'female', '1' ), 'she is awesome', 'Gender test for female, plural count 1' );
 305                 assert.equal( mw.msg( 'gender-plural-msg', 'unknown', 10 ), 'they are awesome', 'Gender test for neutral, plural count 10' );
 306
 307                 assert.equal( mw.msg( 'grammar-msg' ), 'Przeszukaj ' + mw.config.get( 'wgSiteName' ), 'Grammar is resolved' );
 308
 309                 assert.equal( mw.msg( 'formatnum-msg', '987654321.654321' ), '987,654,321.654', 'formatnum is resolved' );
 310
 311                 assert.equal( mw.msg( 'int-msg' ), 'Some Other Message', 'int is resolved' );
 312         } );
 313
 314         /**
 315          * The sync style load test (for @import). This is, in a way, also an open bug for
 316          * ResourceLoader ("execute js after styles are loaded"), but browsers don't offer a
 317          * way to get a callback from when a stylesheet is loaded (that is, including any
 318          * @import rules inside). To work around this, we'll have a little time loop to check
 319          * if the styles apply.
 320          * Note: This test originally used new Image() and onerror to get a callback
 321          * when the url is loaded, but that is fragile since it doesn't monitor the
 322          * same request as the css @import, and Safari 4 has issues with
 323          * onerror/onload not being fired at all in weird cases like this.
 324          */
 325         function assertStyleAsync( assert, $element, prop, val, fn ) {
 326                 var styleTestStart,
 327                         el = $element.get( 0 ),
 328                         styleTestTimeout = ( QUnit.config.testTimeout || 5000 ) - 200;
 329
 330                 function isCssImportApplied() {
 331                         // Trigger reflow, repaint, redraw, whatever (cross-browser)
 332                         var x = $element.css( 'height' );
 333                         x = el.innerHTML;
 334                         el.className = el.className;
 335                         x = document.documentElement.clientHeight;
 336
 337                         return $element.css( prop ) === val;
 338                 }
 339
 340                 function styleTestLoop() {
 341                         var styleTestSince = new Date().getTime() - styleTestStart;
 342                         // If it is passing or if we timed out, run the real test and stop the loop
 343                         if ( isCssImportApplied() || styleTestSince > styleTestTimeout ) {
 344                                 assert.equal( $element.css( prop ), val,
 345                                         'style "' + prop + ': ' + val + '" from url is applied (after ' + styleTestSince + 'ms)'
 346                                 );
 347
 348                                 if ( fn ) {
 349                                         fn();
 350                                 }
 351
 352                                 return;
 353                         }
 354                         // Otherwise, keep polling
 355                         setTimeout( styleTestLoop, 150 );
 356                 }
 357
 358                 // Start the loop
 359                 styleTestStart = new Date().getTime();
 360                 styleTestLoop();
 361         }
 362
 363         function urlStyleTest( selector, prop, val ) {
 364                 return QUnit.fixurl(
 365                         mw.config.get( 'wgScriptPath' ) +
 366                                 '/tests/qunit/data/styleTest.css.php?' +
 367                                 $.param( {
 368                                         selector: selector,
 369                                         prop: prop,
 370                                         val: val
 371                                 } )
 372                 );
 373         }
 374
 375         QUnit.asyncTest( 'mw.loader', 2, function ( assert ) {
 376                 var isAwesomeDone;
 377
 378                 mw.loader.testCallback = function () {
 379                         QUnit.start();
 380                         assert.strictEqual( isAwesomeDone, undefined, 'Implementing module is.awesome: isAwesomeDone should still be undefined' );
 381                         isAwesomeDone = true;
 382                 };
 383
 384                 mw.loader.implement( 'test.callback', [QUnit.fixurl( mw.config.get( 'wgScriptPath' ) + '/tests/qunit/data/callMwLoaderTestCallback.js' )], {}, {} );
 385
 386                 mw.loader.using( 'test.callback', function () {
 387
 388                         // /sample/awesome.js declares the "mw.loader.testCallback" function
 389                         // which contains a call to start() and ok()
 390                         assert.strictEqual( isAwesomeDone, true, 'test.callback module should\'ve caused isAwesomeDone to be true' );
 391                         delete mw.loader.testCallback;
 392
 393                 }, function () {
 394                         QUnit.start();
 395                         assert.ok( false, 'Error callback fired while loader.using "test.callback" module' );
 396                 } );
 397         } );
 398
 399         QUnit.asyncTest( 'mw.loader.using( .. ).promise', 2, function ( assert ) {
 400                 var isAwesomeDone;
 401
 402                 mw.loader.testCallback = function () {
 403                         QUnit.start();
 404                         assert.strictEqual( isAwesomeDone, undefined, 'Implementing module is.awesome: isAwesomeDone should still be undefined' );
 405                         isAwesomeDone = true;
 406                 };
 407
 408                 mw.loader.implement( 'test.promise', [QUnit.fixurl( mw.config.get( 'wgScriptPath' ) + '/tests/qunit/data/callMwLoaderTestCallback.js' )], {}, {} );
 409
 410                 mw.loader.using( 'test.promise' )
 411                 .done( function () {
 412
 413                         // /sample/awesome.js declares the "mw.loader.testCallback" function
 414                         // which contains a call to start() and ok()
 415                         assert.strictEqual( isAwesomeDone, true, 'test.promise module should\'ve caused isAwesomeDone to be true' );
 416                         delete mw.loader.testCallback;
 417
 418                 } )
 419                 .fail( function () {
 420                         QUnit.start();
 421                         assert.ok( false, 'Error callback fired while loader.using "test.promise" module' );
 422                 } );
 423         } );
 424
 425         QUnit.asyncTest( 'mw.loader.implement( styles={ "css": [text, ..] } )', 2, function ( assert ) {
 426                 var $element = $( '<div class="mw-test-implement-a"></div>' ).appendTo( '#qunit-fixture' );
 427
 428                 assert.notEqual(
 429                         $element.css( 'float' ),
 430                         'right',
 431                         'style is clear'
 432                 );
 433
 434                 mw.loader.implement(
 435                         'test.implement.a',
 436                         function () {
 437                                 assert.equal(
 438                                         $element.css( 'float' ),
 439                                         'right',
 440                                         'style is applied'
 441                                 );
 442                                 QUnit.start();
 443                         },
 444                         {
 445                                 'all': '.mw-test-implement-a { float: right; }'
 446                         },
 447                         {}
 448                 );
 449
 450                 mw.loader.load( [
 451                         'test.implement.a'
 452                 ] );
 453         } );
 454
 455         QUnit.asyncTest( 'mw.loader.implement( styles={ "url": { <media>: [url, ..] } } )', 7, function ( assert ) {
 456                 var $element1 = $( '<div class="mw-test-implement-b1"></div>' ).appendTo( '#qunit-fixture' ),
 457                         $element2 = $( '<div class="mw-test-implement-b2"></div>' ).appendTo( '#qunit-fixture' ),
 458                         $element3 = $( '<div class="mw-test-implement-b3"></div>' ).appendTo( '#qunit-fixture' );
 459
 460                 assert.notEqual(
 461                         $element1.css( 'text-align' ),
 462                         'center',
 463                         'style is clear'
 464                 );
 465                 assert.notEqual(
 466                         $element2.css( 'float' ),
 467                         'left',
 468                         'style is clear'
 469                 );
 470                 assert.notEqual(
 471                         $element3.css( 'text-align' ),
 472                         'right',
 473                         'style is clear'
 474                 );
 475
 476                 mw.loader.implement(
 477                         'test.implement.b',
 478                         function () {
 479                                 // Note: QUnit.start() must only be called when the entire test is
 480                                 // complete. So, make sure that we don't start until *both*
 481                                 // assertStyleAsync calls have completed.
 482                                 var pending = 2;
 483                                 assertStyleAsync( assert, $element2, 'float', 'left', function () {
 484                                         assert.notEqual( $element1.css( 'text-align' ), 'center', 'print style is not applied' );
 485
 486                                         pending--;
 487                                         if ( pending === 0 ) {
 488                                                 QUnit.start();
 489                                         }
 490                                 } );
 491                                 assertStyleAsync( assert, $element3, 'float', 'right', function () {
 492                                         assert.notEqual( $element1.css( 'text-align' ), 'center', 'print style is not applied' );
 493
 494                                         pending--;
 495                                         if ( pending === 0 ) {
 496                                                 QUnit.start();
 497                                         }
 498                                 } );
 499                         },
 500                         {
 501                                 'url': {
 502                                         'print': [urlStyleTest( '.mw-test-implement-b1', 'text-align', 'center' )],
 503                                         'screen': [
 504                                                 // bug 40834: Make sure it actually works with more than 1 stylesheet reference
 505                                                 urlStyleTest( '.mw-test-implement-b2', 'float', 'left' ),
 506                                                 urlStyleTest( '.mw-test-implement-b3', 'float', 'right' )
 507                                         ]
 508                                 }
 509                         },
 510                         {}
 511                 );
 512
 513                 mw.loader.load( [
 514                         'test.implement.b'
 515                 ] );
 516         } );
 517
 518         // Backwards compatibility
 519         QUnit.asyncTest( 'mw.loader.implement( styles={ <media>: text } ) (back-compat)', 2, function ( assert ) {
 520                 var $element = $( '<div class="mw-test-implement-c"></div>' ).appendTo( '#qunit-fixture' );
 521
 522                 assert.notEqual(
 523                         $element.css( 'float' ),
 524                         'right',
 525                         'style is clear'
 526                 );
 527
 528                 mw.loader.implement(
 529                         'test.implement.c',
 530                         function () {
 531                                 assert.equal(
 532                                         $element.css( 'float' ),
 533                                         'right',
 534                                         'style is applied'
 535                                 );
 536                                 QUnit.start();
 537                         },
 538                         {
 539                                 'all': '.mw-test-implement-c { float: right; }'
 540                         },
 541                         {}
 542                 );
 543
 544                 mw.loader.load( [
 545                         'test.implement.c'
 546                 ] );
 547         } );
 548
 549         // Backwards compatibility
 550         QUnit.asyncTest( 'mw.loader.implement( styles={ <media>: [url, ..] } ) (back-compat)', 4, function ( assert ) {
 551                 var $element = $( '<div class="mw-test-implement-d"></div>' ).appendTo( '#qunit-fixture' ),
 552                         $element2 = $( '<div class="mw-test-implement-d2"></div>' ).appendTo( '#qunit-fixture' );
 553
 554                 assert.notEqual(
 555                         $element.css( 'float' ),
 556                         'right',
 557                         'style is clear'
 558                 );
 559                 assert.notEqual(
 560                         $element2.css( 'text-align' ),
 561                         'center',
 562                         'style is clear'
 563                 );
 564
 565                 mw.loader.implement(
 566                         'test.implement.d',
 567                         function () {
 568                                 assertStyleAsync( assert, $element, 'float', 'right', function () {
 569
 570                                         assert.notEqual( $element2.css( 'text-align' ), 'center', 'print style is not applied (bug 40500)' );
 571
 572                                         QUnit.start();
 573                                 } );
 574                         },
 575                         {
 576                                 'all': [urlStyleTest( '.mw-test-implement-d', 'float', 'right' )],
 577                                 'print': [urlStyleTest( '.mw-test-implement-d2', 'text-align', 'center' )]
 578                         },
 579                         {}
 580                 );
 581
 582                 mw.loader.load( [
 583                         'test.implement.d'
 584                 ] );
 585         } );
 586
 587         // @import (bug 31676)
 588         QUnit.asyncTest( 'mw.loader.implement( styles has @import)', 5, function ( assert ) {
 589                 var isJsExecuted, $element;
 590
 591                 mw.loader.implement(
 592                         'test.implement.import',
 593                         function () {
 594                                 assert.strictEqual( isJsExecuted, undefined, 'javascript not executed multiple times' );
 595                                 isJsExecuted = true;
 596
 597                                 assert.equal( mw.loader.getState( 'test.implement.import' ), 'ready', 'module state is "ready" while implement() is executing javascript' );
 598
 599                                 $element = $( '<div class="mw-test-implement-import">Foo bar</div>' ).appendTo( '#qunit-fixture' );
 600
 601                                 assert.equal( mw.msg( 'test-foobar' ), 'Hello Foobar, $1!', 'Messages are loaded before javascript execution' );
 602
 603                                 assertStyleAsync( assert, $element, 'float', 'right', function () {
 604                                         assert.equal( $element.css( 'text-align' ), 'center',
 605                                                 'CSS styles after the @import rule are working'
 606                                         );
 607
 608                                         QUnit.start();
 609                                 } );
 610                         },
 611                         {
 612                                 'css': [
 613                                         '@import url(\''
 614                                                 + urlStyleTest( '.mw-test-implement-import', 'float', 'right' )
 615                                                 + '\');\n'
 616                                                 + '.mw-test-implement-import { text-align: center; }'
 617                                 ]
 618                         },
 619                         {
 620                                 'test-foobar': 'Hello Foobar, $1!'
 621                         }
 622                 );
 623
 624                 mw.loader.load( 'test.implement' );
 625
 626         } );
 627
 628         QUnit.asyncTest( 'mw.loader.implement( only messages )', 2, function ( assert ) {
 629                 assert.assertFalse( mw.messages.exists( 'bug_29107' ), 'Verify that the test message doesn\'t exist yet' );
 630
 631                 mw.loader.implement( 'test.implement.msgs', [], {}, { 'bug_29107': 'loaded' } );
 632                 mw.loader.using( 'test.implement.msgs', function () {
 633                         QUnit.start();
 634                         assert.ok( mw.messages.exists( 'bug_29107' ), 'Bug 29107: messages-only module should implement ok' );
 635                 }, function () {
 636                         QUnit.start();
 637                         assert.ok( false, 'Error callback fired while implementing "test.implement.msgs" module' );
 638                 } );
 639         } );
 640
 641         QUnit.test( 'mw.loader erroneous indirect dependency', 3, function ( assert ) {
 642                 mw.loader.register( [
 643                         ['test.module1', '0'],
 644                         ['test.module2', '0', ['test.module1']],
 645                         ['test.module3', '0', ['test.module2']]
 646                 ] );
 647                 mw.loader.implement( 'test.module1', function () {
 648                         throw new Error( 'expected' );
 649                 }, {}, {} );
 650                 assert.strictEqual( mw.loader.getState( 'test.module1' ), 'error', 'Expected "error" state for test.module1' );
 651                 assert.strictEqual( mw.loader.getState( 'test.module2' ), 'error', 'Expected "error" state for test.module2' );
 652                 assert.strictEqual( mw.loader.getState( 'test.module3' ), 'error', 'Expected "error" state for test.module3' );
 653         } );
 654
 655         QUnit.test( 'mw.loader out-of-order implementation', 9, function ( assert ) {
 656                 mw.loader.register( [
 657                         ['test.module4', '0'],
 658                         ['test.module5', '0', ['test.module4']],
 659                         ['test.module6', '0', ['test.module5']]
 660                 ] );
 661                 mw.loader.implement( 'test.module4', function () {
 662                 }, {}, {} );
 663                 assert.strictEqual( mw.loader.getState( 'test.module4' ), 'ready', 'Expected "ready" state for test.module4' );
 664                 assert.strictEqual( mw.loader.getState( 'test.module5' ), 'registered', 'Expected "registered" state for test.module5' );
 665                 assert.strictEqual( mw.loader.getState( 'test.module6' ), 'registered', 'Expected "registered" state for test.module6' );
 666                 mw.loader.implement( 'test.module6', function () {
 667                 }, {}, {} );
 668                 assert.strictEqual( mw.loader.getState( 'test.module4' ), 'ready', 'Expected "ready" state for test.module4' );
 669                 assert.strictEqual( mw.loader.getState( 'test.module5' ), 'registered', 'Expected "registered" state for test.module5' );
 670                 assert.strictEqual( mw.loader.getState( 'test.module6' ), 'loaded', 'Expected "loaded" state for test.module6' );
 671                 mw.loader.implement( 'test.module5', function () {
 672                 }, {}, {} );
 673                 assert.strictEqual( mw.loader.getState( 'test.module4' ), 'ready', 'Expected "ready" state for test.module4' );
 674                 assert.strictEqual( mw.loader.getState( 'test.module5' ), 'ready', 'Expected "ready" state for test.module5' );
 675                 assert.strictEqual( mw.loader.getState( 'test.module6' ), 'ready', 'Expected "ready" state for test.module6' );
 676         } );
 677
 678         QUnit.test( 'mw.loader missing dependency', 13, function ( assert ) {
 679                 mw.loader.register( [
 680                         ['test.module7', '0'],
 681                         ['test.module8', '0', ['test.module7']],
 682                         ['test.module9', '0', ['test.module8']]
 683                 ] );
 684                 mw.loader.implement( 'test.module8', function () {
 685                 }, {}, {} );
 686                 assert.strictEqual( mw.loader.getState( 'test.module7' ), 'registered', 'Expected "registered" state for test.module7' );
 687                 assert.strictEqual( mw.loader.getState( 'test.module8' ), 'loaded', 'Expected "loaded" state for test.module8' );
 688                 assert.strictEqual( mw.loader.getState( 'test.module9' ), 'registered', 'Expected "registered" state for test.module9' );
 689                 mw.loader.state( 'test.module7', 'missing' );
 690                 assert.strictEqual( mw.loader.getState( 'test.module7' ), 'missing', 'Expected "missing" state for test.module7' );
 691                 assert.strictEqual( mw.loader.getState( 'test.module8' ), 'error', 'Expected "error" state for test.module8' );
 692                 assert.strictEqual( mw.loader.getState( 'test.module9' ), 'error', 'Expected "error" state for test.module9' );
 693                 mw.loader.implement( 'test.module9', function () {
 694                 }, {}, {} );
 695                 assert.strictEqual( mw.loader.getState( 'test.module7' ), 'missing', 'Expected "missing" state for test.module7' );
 696                 assert.strictEqual( mw.loader.getState( 'test.module8' ), 'error', 'Expected "error" state for test.module8' );
 697                 assert.strictEqual( mw.loader.getState( 'test.module9' ), 'error', 'Expected "error" state for test.module9' );
 698                 mw.loader.using(
 699                         ['test.module7'],
 700                         function () {
 701                                 assert.ok( false, 'Success fired despite missing dependency' );
 702                                 assert.ok( true, 'QUnit expected() count dummy' );
 703                         },
 704                         function ( e, dependencies ) {
 705                                 assert.strictEqual( $.isArray( dependencies ), true, 'Expected array of dependencies' );
 706                                 assert.deepEqual( dependencies, ['test.module7'], 'Error callback called with module test.module7' );
 707                         }
 708                 );
 709                 mw.loader.using(
 710                         ['test.module9'],
 711                         function () {
 712                                 assert.ok( false, 'Success fired despite missing dependency' );
 713                                 assert.ok( true, 'QUnit expected() count dummy' );
 714                         },
 715                         function ( e, dependencies ) {
 716                                 assert.strictEqual( $.isArray( dependencies ), true, 'Expected array of dependencies' );
 717                                 dependencies.sort();
 718                                 assert.deepEqual(
 719                                         dependencies,
 720                                         ['test.module7', 'test.module8', 'test.module9'],
 721                                         'Error callback called with all three modules as dependencies'
 722                                 );
 723                         }
 724                 );
 725         } );
 726
 727         QUnit.asyncTest( 'mw.loader dependency handling', 5, function ( assert ) {
 728                 mw.loader.register( [
 729                         // [module, version, dependencies, group, source]
 730                         ['testMissing', '1', [], null, 'testloader'],
 731                         ['testUsesMissing', '1', ['testMissing'], null, 'testloader'],
 732                         ['testUsesNestedMissing', '1', ['testUsesMissing'], null, 'testloader']
 733                 ] );
 734
 735                 function verifyModuleStates() {
 736                         assert.equal( mw.loader.getState( 'testMissing' ), 'missing', 'Module not known to server must have state "missing"' );
 737                         assert.equal( mw.loader.getState( 'testUsesMissing' ), 'error', 'Module with missing dependency must have state "error"' );
 738                         assert.equal( mw.loader.getState( 'testUsesNestedMissing' ), 'error', 'Module with indirect missing dependency must have state "error"' );
 739                 }
 740
 741                 mw.loader.using( ['testUsesNestedMissing'],
 742                         function () {
 743                                 assert.ok( false, 'Error handler should be invoked.' );
 744                                 assert.ok( true ); // Dummy to reach QUnit expect()
 745
 746                                 verifyModuleStates();
 747
 748                                 QUnit.start();
 749                         },
 750                         function ( e, badmodules ) {
 751                                 assert.ok( true, 'Error handler should be invoked.' );
 752                                 // As soon as server spits out state('testMissing', 'missing');
 753                                 // it will bubble up and trigger the error callback.
 754                                 // Therefor the badmodules array is not testUsesMissing or testUsesNestedMissing.
 755                                 assert.deepEqual( badmodules, ['testMissing'], 'Bad modules as expected.' );
 756
 757                                 verifyModuleStates();
 758
 759                                 QUnit.start();
 760                         }
 761                 );
 762         } );
 763
 764         QUnit.asyncTest( 'mw.loader skin-function handling', 5, function ( assert ) {
 765                 mw.loader.register( [
 766                         // [module, version, dependencies, group, source, skip]
 767                         ['testSkipped', '1', [], null, 'testloader', 'return true;'],
 768                         ['testNotSkipped', '1', [], null, 'testloader', 'return false;'],
 769                         ['testUsesSkippable', '1', ['testSkipped', 'testNotSkipped'], null, 'testloader']
 770                 ] );
 771
 772                 function verifyModuleStates() {
 773                         assert.equal( mw.loader.getState( 'testSkipped' ), 'ready', 'Module is ready when skipped' );
 774                         assert.equal( mw.loader.getState( 'testNotSkipped' ), 'ready', 'Module is ready when not skipped but loaded' );
 775                         assert.equal( mw.loader.getState( 'testUsesSkippable' ), 'ready', 'Module is ready when skippable dependencies are ready' );
 776                 }
 777
 778                 mw.loader.using( ['testUsesSkippable'],
 779                         function () {
 780                                 assert.ok( true, 'Success handler should be invoked.' );
 781                                 assert.ok( true ); // Dummy to match error handler and reach QUnit expect()
 782
 783                                 verifyModuleStates();
 784
 785                                 QUnit.start();
 786                         },
 787                         function ( e, badmodules ) {
 788                                 assert.ok( false, 'Error handler should not be invoked.' );
 789                                 assert.deepEqual( badmodules, [], 'Bad modules as expected.' );
 790
 791                                 verifyModuleStates();
 792
 793                                 QUnit.start();
 794                         }
 795                 );
 796         } );
 797
 798         QUnit.asyncTest( 'mw.loader( "//protocol-relative" ) (bug 30825)', 2, function ( assert ) {
 799                 // This bug was actually already fixed in 1.18 and later when discovered in 1.17.
 800                 // Test is for regressions!
 801
 802                 // Forge an URL to the test callback script
 803                 var target = QUnit.fixurl(
 804                         mw.config.get( 'wgServer' ) + mw.config.get( 'wgScriptPath' ) + '/tests/qunit/data/qunitOkCall.js'
 805                 );
 806
 807                 // Confirm that mw.loader.load() works with protocol-relative URLs
 808                 target = target.replace( /https?:/, '' );
 809
 810                 assert.equal( target.slice( 0, 2 ), '//',
 811                         'URL must be relative to test relative URLs!'
 812                 );
 813
 814                 // Async!
 815                 // The target calls QUnit.start
 816                 mw.loader.load( target );
 817         } );
 818
 819         QUnit.test( 'mw.html', 13, function ( assert ) {
 820                 assert.throws( function () {
 821                         mw.html.escape();
 822                 }, TypeError, 'html.escape throws a TypeError if argument given is not a string' );
 823
 824                 assert.equal( mw.html.escape( '<mw awesome="awesome" value=\'test\' />' ),
 825                         '&lt;mw awesome=&quot;awesome&quot; value=&#039;test&#039; /&gt;', 'escape() escapes special characters to html entities' );
 826
 827                 assert.equal( mw.html.element(),
 828                         '<undefined/>', 'element() always returns a valid html string (even without arguments)' );
 829
 830                 assert.equal( mw.html.element( 'div' ), '<div/>', 'element() Plain DIV (simple)' );
 831
 832                 assert.equal( mw.html.element( 'div', {}, '' ), '<div></div>', 'element() Basic DIV (simple)' );
 833
 834                 assert.equal(
 835                         mw.html.element(
 836                                 'div', {
 837                                         id: 'foobar'
 838                                 }
 839                         ),
 840                         '<div id="foobar"/>',
 841                         'html.element DIV (attribs)' );
 842
 843                 assert.equal( mw.html.element( 'p', null, 12 ), '<p>12</p>', 'Numbers are valid content and should be casted to a string' );
 844
 845                 assert.equal( mw.html.element( 'p', { title: 12 }, '' ), '<p title="12"></p>', 'Numbers are valid attribute values' );
 846
 847                 // Example from https://www.mediawiki.org/wiki/ResourceLoader/Default_modules#mediaWiki.html
 848                 assert.equal(
 849                         mw.html.element(
 850                                 'div',
 851                                 {},
 852                                 new mw.html.Raw(
 853                                         mw.html.element( 'img', { src: '<' } )
 854                                 )
 855                         ),
 856                         '<div><img src="&lt;"/></div>',
 857                         'Raw inclusion of another element'
 858                 );
 859
 860                 assert.equal(
 861                         mw.html.element(
 862                                 'option', {
 863                                         selected: true
 864                                 }, 'Foo'
 865                         ),
 866                         '<option selected="selected">Foo</option>',
 867                         'Attributes may have boolean values. True copies the attribute name to the value.'
 868                 );
 869
 870                 assert.equal(
 871                         mw.html.element(
 872                                 'option', {
 873                                         value: 'foo',
 874                                         selected: false
 875                                 }, 'Foo'
 876                         ),
 877                         '<option value="foo">Foo</option>',
 878                         'Attributes may have boolean values. False keeps the attribute from output.'
 879                 );
 880
 881                 assert.equal( mw.html.element( 'div',
 882                         null, 'a' ),
 883                         '<div>a</div>',
 884                         'html.element DIV (content)' );
 885
 886                 assert.equal( mw.html.element( 'a',
 887                         { href: 'http://mediawiki.org/w/index.php?title=RL&action=history' }, 'a' ),
 888                         '<a href="http://mediawiki.org/w/index.php?title=RL&amp;action=history">a</a>',
 889                         'html.element DIV (attribs + content)' );
 890
 891         } );
 892
 893         QUnit.test( 'mw.hook', 13, function ( assert ) {
 894                 var hook, add, fire, chars, callback;
 895
 896                 mw.hook( 'test.hook.unfired' ).add( function () {
 897                         assert.ok( false, 'Unfired hook' );
 898                 } );
 899
 900                 mw.hook( 'test.hook.basic' ).add( function () {
 901                         assert.ok( true, 'Basic callback' );
 902                 } );
 903                 mw.hook( 'test.hook.basic' ).fire();
 904
 905                 mw.hook( 'hasOwnProperty' ).add( function () {
 906                         assert.ok( true, 'hook with name of predefined method' );
 907                 } );
 908                 mw.hook( 'hasOwnProperty' ).fire();
 909
 910                 mw.hook( 'test.hook.data' ).add( function ( data1, data2 ) {
 911                         assert.equal( data1, 'example', 'Fire with data (string param)' );
 912                         assert.deepEqual( data2, ['two'], 'Fire with data (array param)' );
 913                 } );
 914                 mw.hook( 'test.hook.data' ).fire( 'example', ['two'] );
 915
 916                 hook = mw.hook( 'test.hook.chainable' );
 917                 assert.strictEqual( hook.add(), hook, 'hook.add is chainable' );
 918                 assert.strictEqual( hook.remove(), hook, 'hook.remove is chainable' );
 919                 assert.strictEqual( hook.fire(), hook, 'hook.fire is chainable' );
 920
 921                 hook = mw.hook( 'test.hook.detach' );
 922                 add = hook.add;
 923                 fire = hook.fire;
 924                 add( function ( x, y ) {
 925                         assert.deepEqual( [x, y], ['x', 'y'], 'Detached (contextless) with data' );
 926                 } );
 927                 fire( 'x', 'y' );
 928
 929                 mw.hook( 'test.hook.fireBefore' ).fire().add( function () {
 930                         assert.ok( true, 'Invoke handler right away if it was fired before' );
 931                 } );
 932
 933                 mw.hook( 'test.hook.fireTwiceBefore' ).fire().fire().add( function () {
 934                         assert.ok( true, 'Invoke handler right away if it was fired before (only last one)' );
 935                 } );
 936
 937                 chars = [];
 938
 939                 mw.hook( 'test.hook.many' )
 940                         .add( function ( chr ) {
 941                                 chars.push( chr );
 942                         } )
 943                         .fire( 'x' ).fire( 'y' ).fire( 'z' )
 944                         .add( function ( chr ) {
 945                                 assert.equal( chr, 'z', 'Adding callback later invokes right away with last data' );
 946                         } );
 947
 948                 assert.deepEqual( chars, ['x', 'y', 'z'], 'Multiple callbacks with multiple fires' );
 949
 950                 chars = [];
 951                 callback = function ( chr ) {
 952                         chars.push( chr );
 953                 };
 954
 955                 mw.hook( 'test.hook.variadic' )
 956                         .add(
 957                                 callback,
 958                                 callback,
 959                                 function ( chr ) {
 960                                         chars.push( chr );
 961                                 },
 962                                 callback
 963                         )
 964                         .fire( 'x' )
 965                         .remove(
 966                                 function () {
 967                                         'not-added';
 968                                 },
 969                                 callback
 970                         )
 971                         .fire( 'y' )
 972                         .remove( callback )
 973                         .fire( 'z' );
 974
 975                 assert.deepEqual(
 976                         chars,
 977                         ['x', 'x', 'x', 'x', 'y', 'z'],
 978                         '"add" and "remove" support variadic arguments. ' +
 979                                 '"add" does not filter unique. ' +
 980                                 '"remove" removes all equal by reference. ' +
 981                                 '"remove" is silent if the function is not found'
 982                 );
 983         } );
 984
 985 }( mediaWiki, jQuery ) );