tests/phpunit/includes/HtmlTest.php

   1 <?php
   2 /** tests for includes/Html.php */
   3
   4 class HtmlTest extends MediaWikiTestCase {
   5
   6         protected function setUp() {
   7                 parent::setUp();
   8
   9                 $this->setMwGlobals( [
  10                         'wgUseMediaWikiUIEverywhere' => false,
  11                 ] );
  12
  13                 $langObj = Language::factory( 'en' );
  14
  15                 // Hardcode namespaces during test runs,
  16                 // so that html output based on existing namespaces
  17                 // can be properly evaluated.
  18                 $langObj->setNamespaces( [
  19                         -2 => 'Media',
  20                         -1 => 'Special',
  21                         0 => '',
  22                         1 => 'Talk',
  23                         2 => 'User',
  24                         3 => 'User_talk',
  25                         4 => 'MyWiki',
  26                         5 => 'MyWiki_Talk',
  27                         6 => 'File',
  28                         7 => 'File_talk',
  29                         8 => 'MediaWiki',
  30                         9 => 'MediaWiki_talk',
  31                         10 => 'Template',
  32                         11 => 'Template_talk',
  33                         14 => 'Category',
  34                         15 => 'Category_talk',
  35                         100 => 'Custom',
  36                         101 => 'Custom_talk',
  37                 ] );
  38                 $this->setUserLang( $langObj );
  39                 $this->setContentLang( $langObj );
  40         }
  41
  42         /**
  43          * @covers Html::element
  44          */
  45         public function testElementBasics() {
  46                 $this->assertEquals(
  47                         '<img/>',
  48                         Html::element( 'img', null, '' ),
  49                         'No close tag for short-tag elements'
  50                 );
  51
  52                 $this->assertEquals(
  53                         '<element></element>',
  54                         Html::element( 'element', null, null ),
  55                         'Close tag for empty element (null, null)'
  56                 );
  57
  58                 $this->assertEquals(
  59                         '<element></element>',
  60                         Html::element( 'element', [], '' ),
  61                         'Close tag for empty element (array, string)'
  62                 );
  63
  64                 $this->assertEquals(
  65                         '<img/>',
  66                         Html::element( 'img', null, '' ),
  67                         'Self-closing tag for short-tag elements'
  68                 );
  69         }
  70
  71         public function dataXmlMimeType() {
  72                 return [
  73                         // ( $mimetype, $isXmlMimeType )
  74                         # HTML is not an XML MimeType
  75                         [ 'text/html', false ],
  76                         # XML is an XML MimeType
  77                         [ 'text/xml', true ],
  78                         [ 'application/xml', true ],
  79                         # XHTML is an XML MimeType
  80                         [ 'application/xhtml+xml', true ],
  81                         # Make sure other +xml MimeTypes are supported
  82                         # SVG is another random MimeType even though we don't use it
  83                         [ 'image/svg+xml', true ],
  84                         # Complete random other MimeTypes are not XML
  85                         [ 'text/plain', false ],
  86                 ];
  87         }
  88
  89         /**
  90          * @dataProvider dataXmlMimeType
  91          * @covers Html::isXmlMimeType
  92          */
  93         public function testXmlMimeType( $mimetype, $isXmlMimeType ) {
  94                 $this->assertEquals( $isXmlMimeType, Html::isXmlMimeType( $mimetype ) );
  95         }
  96
  97         /**
  98          * @covers Html::expandAttributes
  99          */
 100         public function testExpandAttributesSkipsNullAndFalse() {
 101
 102                 # ## EMPTY ########
 103                 $this->assertEmpty(
 104                         Html::expandAttributes( [ 'foo' => null ] ),
 105                         'skip keys with null value'
 106                 );
 107                 $this->assertEmpty(
 108                         Html::expandAttributes( [ 'foo' => false ] ),
 109                         'skip keys with false value'
 110                 );
 111                 $this->assertEquals(
 112                         ' foo=""',
 113                         Html::expandAttributes( [ 'foo' => '' ] ),
 114                         'keep keys with an empty string'
 115                 );
 116         }
 117
 118         /**
 119          * @covers Html::expandAttributes
 120          */
 121         public function testExpandAttributesForBooleans() {
 122                 $this->assertEquals(
 123                         '',
 124                         Html::expandAttributes( [ 'selected' => false ] ),
 125                         'Boolean attributes do not generates output when value is false'
 126                 );
 127                 $this->assertEquals(
 128                         '',
 129                         Html::expandAttributes( [ 'selected' => null ] ),
 130                         'Boolean attributes do not generates output when value is null'
 131                 );
 132
 133                 $this->assertEquals(
 134                         ' selected=""',
 135                         Html::expandAttributes( [ 'selected' => true ] ),
 136                         'Boolean attributes have no value when value is true'
 137                 );
 138                 $this->assertEquals(
 139                         ' selected=""',
 140                         Html::expandAttributes( [ 'selected' ] ),
 141                         'Boolean attributes have no value when value is true (passed as numerical array)'
 142                 );
 143
 144                 $this->assertEquals(
 145                         ' selected=""',
 146                         Html::expandAttributes( [ 'selected' => true ] ),
 147                         'Boolean attributes have empty string value when value is true'
 148                 );
 149         }
 150
 151         /**
 152          * @covers Html::expandAttributes
 153          */
 154         public function testExpandAttributesForNumbers() {
 155                 $this->assertEquals(
 156                         ' value="1"',
 157                         Html::expandAttributes( [ 'value' => 1 ] ),
 158                         'Integer value is cast to a string'
 159                 );
 160                 $this->assertEquals(
 161                         ' value="1.1"',
 162                         Html::expandAttributes( [ 'value' => 1.1 ] ),
 163                         'Float value is cast to a string'
 164                 );
 165         }
 166
 167         /**
 168          * @covers Html::expandAttributes
 169          */
 170         public function testExpandAttributesForObjects() {
 171                 $this->assertEquals(
 172                         ' value="stringValue"',
 173                         Html::expandAttributes( [ 'value' => new HtmlTestValue() ] ),
 174                         'Object value is converted to a string'
 175                 );
 176         }
 177
 178         /**
 179          * Test for Html::expandAttributes()
 180          * Please note it output a string prefixed with a space!
 181          * @covers Html::expandAttributes
 182          */
 183         public function testExpandAttributesVariousExpansions() {
 184                 # ## NOT EMPTY ####
 185                 $this->assertEquals(
 186                         ' empty_string=""',
 187                         Html::expandAttributes( [ 'empty_string' => '' ] ),
 188                         'Empty string is always quoted'
 189                 );
 190                 $this->assertEquals(
 191                         ' key="value"',
 192                         Html::expandAttributes( [ 'key' => 'value' ] ),
 193                         'Simple string value needs no quotes'
 194                 );
 195                 $this->assertEquals(
 196                         ' one="1"',
 197                         Html::expandAttributes( [ 'one' => 1 ] ),
 198                         'Number 1 value needs no quotes'
 199                 );
 200                 $this->assertEquals(
 201                         ' zero="0"',
 202                         Html::expandAttributes( [ 'zero' => 0 ] ),
 203                         'Number 0 value needs no quotes'
 204                 );
 205
 206         }
 207
 208         /**
 209          * Html::expandAttributes has special features for HTML
 210          * attributes that use space separated lists and also
 211          * allows arrays to be used as values.
 212          * @covers Html::expandAttributes
 213          */
 214         public function testExpandAttributesListValueAttributes() {
 215                 # ## STRING VALUES
 216                 $this->assertEquals(
 217                         ' class="redundant spaces here"',
 218                         Html::expandAttributes( [ 'class' => ' redundant  spaces  here  ' ] ),
 219                         'Normalization should strip redundant spaces'
 220                 );
 221                 $this->assertEquals(
 222                         ' class="foo bar"',
 223                         Html::expandAttributes( [ 'class' => 'foo bar foo bar bar' ] ),
 224                         'Normalization should remove duplicates in string-lists'
 225                 );
 226                 # ## "EMPTY" ARRAY VALUES
 227                 $this->assertEquals(
 228                         ' class=""',
 229                         Html::expandAttributes( [ 'class' => [] ] ),
 230                         'Value with an empty array'
 231                 );
 232                 $this->assertEquals(
 233                         ' class=""',
 234                         Html::expandAttributes( [ 'class' => [ null, '', ' ', '  ' ] ] ),
 235                         'Array with null, empty string and spaces'
 236                 );
 237                 # ## NON-EMPTY ARRAY VALUES
 238                 $this->assertEquals(
 239                         ' class="foo bar"',
 240                         Html::expandAttributes( [ 'class' => [
 241                                 'foo',
 242                                 'bar',
 243                                 'foo',
 244                                 'bar',
 245                                 'bar',
 246                         ] ] ),
 247                         'Normalization should remove duplicates in the array'
 248                 );
 249                 $this->assertEquals(
 250                         ' class="foo bar"',
 251                         Html::expandAttributes( [ 'class' => [
 252                                 'foo bar',
 253                                 'bar foo',
 254                                 'foo',
 255                                 'bar bar',
 256                         ] ] ),
 257                         'Normalization should remove duplicates in string-lists in the array'
 258                 );
 259         }
 260
 261         /**
 262          * Test feature added by r96188, let pass attributes values as
 263          * a PHP array. Restricted to class,rel, accesskey.
 264          * @covers Html::expandAttributes
 265          */
 266         public function testExpandAttributesSpaceSeparatedAttributesWithBoolean() {
 267                 $this->assertEquals(
 268                         ' class="booltrue one"',
 269                         Html::expandAttributes( [ 'class' => [
 270                                 'booltrue' => true,
 271                                 'one' => 1,
 272
 273                                 # Method use isset() internally, make sure we do discard
 274                                 # attributes values which have been assigned well known values
 275                                 'emptystring' => '',
 276                                 'boolfalse' => false,
 277                                 'zero' => 0,
 278                                 'null' => null,
 279                         ] ] )
 280                 );
 281         }
 282
 283         /**
 284          * How do we handle duplicate keys in HTML attributes expansion?
 285          * We could pass a "class" the values: 'GREEN' and array( 'GREEN' => false )
 286          * The later will take precedence.
 287          *
 288          * Feature added by r96188
 289          * @covers Html::expandAttributes
 290          */
 291         public function testValueIsAuthoritativeInSpaceSeparatedAttributesArrays() {
 292                 $this->assertEquals(
 293                         ' class=""',
 294                         Html::expandAttributes( [ 'class' => [
 295                                 'GREEN',
 296                                 'GREEN' => false,
 297                                 'GREEN',
 298                         ] ] )
 299                 );
 300         }
 301
 302         /**
 303          * @covers Html::expandAttributes
 304          * @expectedException MWException
 305          */
 306         public function testExpandAttributes_ArrayOnNonListValueAttribute_ThrowsException() {
 307                 // Real-life test case found in the Popups extension (see Gerrit cf0fd64),
 308                 // when used with an outdated BetaFeatures extension (see Gerrit deda1e7)
 309                 Html::expandAttributes( [
 310                         'src' => [
 311                                 'ltr' => 'ltr.svg',
 312                                 'rtl' => 'rtl.svg'
 313                         ]
 314                 ] );
 315         }
 316
 317         /**
 318          * @covers Html::namespaceSelector
 319          */
 320         public function testNamespaceSelector() {
 321                 $this->assertEquals(
 322                         '<select id="namespace" name="namespace">' . "\n" .
 323                                 '<option value="0">(Main)</option>' . "\n" .
 324                                 '<option value="1">Talk</option>' . "\n" .
 325                                 '<option value="2">User</option>' . "\n" .
 326                                 '<option value="3">User talk</option>' . "\n" .
 327                                 '<option value="4">MyWiki</option>' . "\n" .
 328                                 '<option value="5">MyWiki Talk</option>' . "\n" .
 329                                 '<option value="6">File</option>' . "\n" .
 330                                 '<option value="7">File talk</option>' . "\n" .
 331                                 '<option value="8">MediaWiki</option>' . "\n" .
 332                                 '<option value="9">MediaWiki talk</option>' . "\n" .
 333                                 '<option value="10">Template</option>' . "\n" .
 334                                 '<option value="11">Template talk</option>' . "\n" .
 335                                 '<option value="14">Category</option>' . "\n" .
 336                                 '<option value="15">Category talk</option>' . "\n" .
 337                                 '<option value="100">Custom</option>' . "\n" .
 338                                 '<option value="101">Custom talk</option>' . "\n" .
 339                                 '</select>',
 340                         Html::namespaceSelector(),
 341                         'Basic namespace selector without custom options'
 342                 );
 343
 344                 $this->assertEquals(
 345                         '<label for="mw-test-namespace">Select a namespace:</label>&#160;' .
 346                                 '<select id="mw-test-namespace" name="wpNamespace">' . "\n" .
 347                                 '<option value="all">all</option>' . "\n" .
 348                                 '<option value="0">(Main)</option>' . "\n" .
 349                                 '<option value="1">Talk</option>' . "\n" .
 350                                 '<option value="2" selected="">User</option>' . "\n" .
 351                                 '<option value="3">User talk</option>' . "\n" .
 352                                 '<option value="4">MyWiki</option>' . "\n" .
 353                                 '<option value="5">MyWiki Talk</option>' . "\n" .
 354                                 '<option value="6">File</option>' . "\n" .
 355                                 '<option value="7">File talk</option>' . "\n" .
 356                                 '<option value="8">MediaWiki</option>' . "\n" .
 357                                 '<option value="9">MediaWiki talk</option>' . "\n" .
 358                                 '<option value="10">Template</option>' . "\n" .
 359                                 '<option value="11">Template talk</option>' . "\n" .
 360                                 '<option value="14">Category</option>' . "\n" .
 361                                 '<option value="15">Category talk</option>' . "\n" .
 362                                 '<option value="100">Custom</option>' . "\n" .
 363                                 '<option value="101">Custom talk</option>' . "\n" .
 364                                 '</select>',
 365                         Html::namespaceSelector(
 366                                 [ 'selected' => '2', 'all' => 'all', 'label' => 'Select a namespace:' ],
 367                                 [ 'name' => 'wpNamespace', 'id' => 'mw-test-namespace' ]
 368                         ),
 369                         'Basic namespace selector with custom values'
 370                 );
 371
 372                 $this->assertEquals(
 373                         '<label for="namespace">Select a namespace:</label>&#160;' .
 374                                 '<select id="namespace" name="namespace">' . "\n" .
 375                                 '<option value="0">(Main)</option>' . "\n" .
 376                                 '<option value="1">Talk</option>' . "\n" .
 377                                 '<option value="2">User</option>' . "\n" .
 378                                 '<option value="3">User talk</option>' . "\n" .
 379                                 '<option value="4">MyWiki</option>' . "\n" .
 380                                 '<option value="5">MyWiki Talk</option>' . "\n" .
 381                                 '<option value="6">File</option>' . "\n" .
 382                                 '<option value="7">File talk</option>' . "\n" .
 383                                 '<option value="8">MediaWiki</option>' . "\n" .
 384                                 '<option value="9">MediaWiki talk</option>' . "\n" .
 385                                 '<option value="10">Template</option>' . "\n" .
 386                                 '<option value="11">Template talk</option>' . "\n" .
 387                                 '<option value="14">Category</option>' . "\n" .
 388                                 '<option value="15">Category talk</option>' . "\n" .
 389                                 '<option value="100">Custom</option>' . "\n" .
 390                                 '<option value="101">Custom talk</option>' . "\n" .
 391                                 '</select>',
 392                         Html::namespaceSelector(
 393                                 [ 'label' => 'Select a namespace:' ]
 394                         ),
 395                         'Basic namespace selector with a custom label but no id attribtue for the <select>'
 396                 );
 397         }
 398
 399         public function testCanFilterOutNamespaces() {
 400                 $this->assertEquals(
 401                         '<select id="namespace" name="namespace">' . "\n" .
 402                                 '<option value="2">User</option>' . "\n" .
 403                                 '<option value="4">MyWiki</option>' . "\n" .
 404                                 '<option value="5">MyWiki Talk</option>' . "\n" .
 405                                 '<option value="6">File</option>' . "\n" .
 406                                 '<option value="7">File talk</option>' . "\n" .
 407                                 '<option value="8">MediaWiki</option>' . "\n" .
 408                                 '<option value="9">MediaWiki talk</option>' . "\n" .
 409                                 '<option value="10">Template</option>' . "\n" .
 410                                 '<option value="11">Template talk</option>' . "\n" .
 411                                 '<option value="14">Category</option>' . "\n" .
 412                                 '<option value="15">Category talk</option>' . "\n" .
 413                                 '</select>',
 414                         Html::namespaceSelector(
 415                                 [ 'exclude' => [ 0, 1, 3, 100, 101 ] ]
 416                         ),
 417                         'Namespace selector namespace filtering.'
 418                 );
 419         }
 420
 421         public function testCanDisableANamespaces() {
 422                 $this->assertEquals(
 423                         '<select id="namespace" name="namespace">' . "\n" .
 424                                 '<option disabled="" value="0">(Main)</option>' . "\n" .
 425                                 '<option disabled="" value="1">Talk</option>' . "\n" .
 426                                 '<option disabled="" value="2">User</option>' . "\n" .
 427                                 '<option disabled="" value="3">User talk</option>' . "\n" .
 428                                 '<option disabled="" value="4">MyWiki</option>' . "\n" .
 429                                 '<option value="5">MyWiki Talk</option>' . "\n" .
 430                                 '<option value="6">File</option>' . "\n" .
 431                                 '<option value="7">File talk</option>' . "\n" .
 432                                 '<option value="8">MediaWiki</option>' . "\n" .
 433                                 '<option value="9">MediaWiki talk</option>' . "\n" .
 434                                 '<option value="10">Template</option>' . "\n" .
 435                                 '<option value="11">Template talk</option>' . "\n" .
 436                                 '<option value="14">Category</option>' . "\n" .
 437                                 '<option value="15">Category talk</option>' . "\n" .
 438                                 '<option value="100">Custom</option>' . "\n" .
 439                                 '<option value="101">Custom talk</option>' . "\n" .
 440                                 '</select>',
 441                         Html::namespaceSelector( [
 442                                 'disable' => [ 0, 1, 2, 3, 4 ]
 443                         ] ),
 444                         'Namespace selector namespace disabling'
 445                 );
 446         }
 447
 448         /**
 449          * @dataProvider provideHtml5InputTypes
 450          * @covers Html::element
 451          */
 452         public function testHtmlElementAcceptsNewHtml5TypesInHtml5Mode( $HTML5InputType ) {
 453                 $this->assertEquals(
 454                         '<input type="' . $HTML5InputType . '"/>',
 455                         Html::element( 'input', [ 'type' => $HTML5InputType ] ),
 456                         'In HTML5, Html::element() should accept type="' . $HTML5InputType . '"'
 457                 );
 458         }
 459
 460         /**
 461          * List of input element types values introduced by HTML5
 462          * Full list at http://www.w3.org/TR/html-markup/input.html
 463          */
 464         public static function provideHtml5InputTypes() {
 465                 $types = [
 466                         'datetime',
 467                         'datetime-local',
 468                         'date',
 469                         'month',
 470                         'time',
 471                         'week',
 472                         'number',
 473                         'range',
 474                         'email',
 475                         'url',
 476                         'search',
 477                         'tel',
 478                         'color',
 479                 ];
 480                 $cases = [];
 481                 foreach ( $types as $type ) {
 482                         $cases[] = [ $type ];
 483                 }
 484
 485                 return $cases;
 486         }
 487
 488         /**
 489          * Test out Html::element drops or enforces default value
 490          * @covers Html::dropDefaults
 491          * @dataProvider provideElementsWithAttributesHavingDefaultValues
 492          */
 493         public function testDropDefaults( $expected, $element, $attribs, $message = '' ) {
 494                 $this->assertEquals( $expected, Html::element( $element, $attribs ), $message );
 495         }
 496
 497         public static function provideElementsWithAttributesHavingDefaultValues() {
 498                 # Use cases in a concise format:
 499                 # <expected>, <element name>, <array of attributes> [, <message>]
 500                 # Will be mapped to Html::element()
 501                 $cases = [];
 502
 503                 # ## Generic cases, match $attribDefault static array
 504                 $cases[] = [ '<area/>',
 505                         'area', [ 'shape' => 'rect' ]
 506                 ];
 507
 508                 $cases[] = [ '<button type="submit"></button>',
 509                         'button', [ 'formaction' => 'GET' ]
 510                 ];
 511                 $cases[] = [ '<button type="submit"></button>',
 512                         'button', [ 'formenctype' => 'application/x-www-form-urlencoded' ]
 513                 ];
 514
 515                 $cases[] = [ '<canvas></canvas>',
 516                         'canvas', [ 'height' => '150' ]
 517                 ];
 518                 $cases[] = [ '<canvas></canvas>',
 519                         'canvas', [ 'width' => '300' ]
 520                 ];
 521                 # Also check with numeric values
 522                 $cases[] = [ '<canvas></canvas>',
 523                         'canvas', [ 'height' => 150 ]
 524                 ];
 525                 $cases[] = [ '<canvas></canvas>',
 526                         'canvas', [ 'width' => 300 ]
 527                 ];
 528
 529                 $cases[] = [ '<command/>',
 530                         'command', [ 'type' => 'command' ]
 531                 ];
 532
 533                 $cases[] = [ '<form></form>',
 534                         'form', [ 'action' => 'GET' ]
 535                 ];
 536                 $cases[] = [ '<form></form>',
 537                         'form', [ 'autocomplete' => 'on' ]
 538                 ];
 539                 $cases[] = [ '<form></form>',
 540                         'form', [ 'enctype' => 'application/x-www-form-urlencoded' ]
 541                 ];
 542
 543                 $cases[] = [ '<input/>',
 544                         'input', [ 'formaction' => 'GET' ]
 545                 ];
 546                 $cases[] = [ '<input/>',
 547                         'input', [ 'type' => 'text' ]
 548                 ];
 549
 550                 $cases[] = [ '<keygen/>',
 551                         'keygen', [ 'keytype' => 'rsa' ]
 552                 ];
 553
 554                 $cases[] = [ '<link/>',
 555                         'link', [ 'media' => 'all' ]
 556                 ];
 557
 558                 $cases[] = [ '<menu></menu>',
 559                         'menu', [ 'type' => 'list' ]
 560                 ];
 561
 562                 $cases[] = [ '<script></script>',
 563                         'script', [ 'type' => 'text/javascript' ]
 564                 ];
 565
 566                 $cases[] = [ '<style></style>',
 567                         'style', [ 'media' => 'all' ]
 568                 ];
 569                 $cases[] = [ '<style></style>',
 570                         'style', [ 'type' => 'text/css' ]
 571                 ];
 572
 573                 $cases[] = [ '<textarea></textarea>',
 574                         'textarea', [ 'wrap' => 'soft' ]
 575                 ];
 576
 577                 # ## SPECIFIC CASES
 578
 579                 # <link type="text/css">
 580                 $cases[] = [ '<link/>',
 581                         'link', [ 'type' => 'text/css' ]
 582                 ];
 583
 584                 # <input> specific handling
 585                 $cases[] = [ '<input type="checkbox"/>',
 586                         'input', [ 'type' => 'checkbox', 'value' => 'on' ],
 587                         'Default value "on" is stripped of checkboxes',
 588                 ];
 589                 $cases[] = [ '<input type="radio"/>',
 590                         'input', [ 'type' => 'radio', 'value' => 'on' ],
 591                         'Default value "on" is stripped of radio buttons',
 592                 ];
 593                 $cases[] = [ '<input type="submit" value="Submit"/>',
 594                         'input', [ 'type' => 'submit', 'value' => 'Submit' ],
 595                         'Default value "Submit" is kept on submit buttons (for possible l10n issues)',
 596                 ];
 597                 $cases[] = [ '<input type="color"/>',
 598                         'input', [ 'type' => 'color', 'value' => '' ],
 599                 ];
 600                 $cases[] = [ '<input type="range"/>',
 601                         'input', [ 'type' => 'range', 'value' => '' ],
 602                 ];
 603
 604                 # <button> specific handling
 605                 # see remarks on http://msdn.microsoft.com/en-us/library/ie/ms535211%28v=vs.85%29.aspx
 606                 $cases[] = [ '<button type="submit"></button>',
 607                         'button', [ 'type' => 'submit' ],
 608                         'According to standard the default type is "submit". '
 609                                 . 'Depending on compatibility mode IE might use "button", instead.',
 610                 ];
 611
 612                 # <select> specific handling
 613                 $cases[] = [ '<select multiple=""></select>',
 614                         'select', [ 'size' => '4', 'multiple' => true ],
 615                 ];
 616                 # .. with numeric value
 617                 $cases[] = [ '<select multiple=""></select>',
 618                         'select', [ 'size' => 4, 'multiple' => true ],
 619                 ];
 620                 $cases[] = [ '<select></select>',
 621                         'select', [ 'size' => '1', 'multiple' => false ],
 622                 ];
 623                 # .. with numeric value
 624                 $cases[] = [ '<select></select>',
 625                         'select', [ 'size' => 1, 'multiple' => false ],
 626                 ];
 627
 628                 # Passing an array as value
 629                 $cases[] = [ '<a class="css-class-one css-class-two"></a>',
 630                         'a', [ 'class' => [ 'css-class-one', 'css-class-two' ] ],
 631                         "dropDefaults accepts values given as an array"
 632                 ];
 633
 634                 # FIXME: doDropDefault should remove defaults given in an array
 635                 # Expected should be '<a></a>'
 636                 $cases[] = [ '<a class=""></a>',
 637                         'a', [ 'class' => [ '', '' ] ],
 638                         "dropDefaults accepts values given as an array"
 639                 ];
 640
 641                 # Craft the Html elements
 642                 $ret = [];
 643                 foreach ( $cases as $case ) {
 644                         $ret[] = [
 645                                 $case[0],
 646                                 $case[1], $case[2],
 647                                 isset( $case[3] ) ? $case[3] : ''
 648                         ];
 649                 }
 650
 651                 return $ret;
 652         }
 653
 654         /**
 655          * @covers Html::expandAttributes
 656          */
 657         public function testFormValidationBlacklist() {
 658                 $this->assertEmpty(
 659                         Html::expandAttributes( [
 660                                 'min' => 1,
 661                                 'max' => 100,
 662                                 'pattern' => 'abc',
 663                                 'required' => true,
 664                                 'step' => 2
 665                         ] ),
 666                         'Blacklist form validation attributes.'
 667                 );
 668                 $this->assertEquals(
 669                         ' step="any"',
 670                         Html::expandAttributes(
 671                                 [
 672                                         'min' => 1,
 673                                         'max' => 100,
 674                                         'pattern' => 'abc',
 675                                         'required' => true,
 676                                         'step' => 'any'
 677                                 ],
 678                                 'Allow special case "step=any".'
 679                         )
 680                 );
 681         }
 682
 683         public function testWrapperInput() {
 684                 $this->assertEquals(
 685                         '<input type="radio" value="testval" name="testname"/>',
 686                         Html::input( 'testname', 'testval', 'radio' ),
 687                         'Input wrapper with type and value.'
 688                 );
 689                 $this->assertEquals(
 690                         '<input name="testname"/>',
 691                         Html::input( 'testname' ),
 692                         'Input wrapper with all default values.'
 693                 );
 694         }
 695
 696         public function testWrapperCheck() {
 697                 $this->assertEquals(
 698                         '<input type="checkbox" value="1" name="testname"/>',
 699                         Html::check( 'testname' ),
 700                         'Checkbox wrapper unchecked.'
 701                 );
 702                 $this->assertEquals(
 703                         '<input checked="" type="checkbox" value="1" name="testname"/>',
 704                         Html::check( 'testname', true ),
 705                         'Checkbox wrapper checked.'
 706                 );
 707                 $this->assertEquals(
 708                         '<input type="checkbox" value="testval" name="testname"/>',
 709                         Html::check( 'testname', false, [ 'value' => 'testval' ] ),
 710                         'Checkbox wrapper with a value override.'
 711                 );
 712         }
 713
 714         public function testWrapperRadio() {
 715                 $this->assertEquals(
 716                         '<input type="radio" value="1" name="testname"/>',
 717                         Html::radio( 'testname' ),
 718                         'Radio wrapper unchecked.'
 719                 );
 720                 $this->assertEquals(
 721                         '<input checked="" type="radio" value="1" name="testname"/>',
 722                         Html::radio( 'testname', true ),
 723                         'Radio wrapper checked.'
 724                 );
 725                 $this->assertEquals(
 726                         '<input type="radio" value="testval" name="testname"/>',
 727                         Html::radio( 'testname', false, [ 'value' => 'testval' ] ),
 728                         'Radio wrapper with a value override.'
 729                 );
 730         }
 731
 732         public function testWrapperLabel() {
 733                 $this->assertEquals(
 734                         '<label for="testid">testlabel</label>',
 735                         Html::label( 'testlabel', 'testid' ),
 736                         'Label wrapper'
 737                 );
 738         }
 739
 740         public static function provideSrcSetImages() {
 741                 return [
 742                         [ [], '', 'when there are no images, return empty string' ],
 743                         [
 744                                 [ '1x' => '1x.png', '1.5x' => '1_5x.png', '2x' => '2x.png' ],
 745                                 '1x.png 1x, 1_5x.png 1.5x, 2x.png 2x',
 746                                 'pixel depth keys may include a trailing "x"'
 747                         ],
 748                         [
 749                                 [ '1'  => '1x.png', '1.5' => '1_5x.png', '2'  => '2x.png' ],
 750                                 '1x.png 1x, 1_5x.png 1.5x, 2x.png 2x',
 751                                 'pixel depth keys may omit a trailing "x"'
 752                         ],
 753                 ];
 754         }
 755
 756         /**
 757          * @dataProvider provideSrcSetImages
 758          * @covers Html::srcSet
 759          */
 760         public function testSrcSet( $images, $expected, $message ) {
 761                 $this->assertEquals( Html::srcSet( $images ), $expected, $message );
 762         }
 763 }
 764
 765 class HtmlTestValue {
 766         function __toString() {
 767                 return 'stringValue';
 768         }
 769 }