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          * @covers Html::rawElement
  45          * @covers Html::openElement
  46          * @covers Html::closeElement
  47          */
  48         public function testElementBasics() {
  49                 $this->assertEquals(
  50                         '<img/>',
  51                         Html::element( 'img', null, '' ),
  52                         'Self-closing tag for short-tag elements'
  53                 );
  54
  55                 $this->assertEquals(
  56                         '<element></element>',
  57                         Html::element( 'element', null, null ),
  58                         'Close tag for empty element (null, null)'
  59                 );
  60
  61                 $this->assertEquals(
  62                         '<element></element>',
  63                         Html::element( 'element', [], '' ),
  64                         'Close tag for empty element (array, string)'
  65                 );
  66         }
  67
  68         public function dataXmlMimeType() {
  69                 return [
  70                         // ( $mimetype, $isXmlMimeType )
  71                         # HTML is not an XML MimeType
  72                         [ 'text/html', false ],
  73                         # XML is an XML MimeType
  74                         [ 'text/xml', true ],
  75                         [ 'application/xml', true ],
  76                         # XHTML is an XML MimeType
  77                         [ 'application/xhtml+xml', true ],
  78                         # Make sure other +xml MimeTypes are supported
  79                         # SVG is another random MimeType even though we don't use it
  80                         [ 'image/svg+xml', true ],
  81                         # Complete random other MimeTypes are not XML
  82                         [ 'text/plain', false ],
  83                 ];
  84         }
  85
  86         /**
  87          * @dataProvider dataXmlMimeType
  88          * @covers Html::isXmlMimeType
  89          */
  90         public function testXmlMimeType( $mimetype, $isXmlMimeType ) {
  91                 $this->assertEquals( $isXmlMimeType, Html::isXmlMimeType( $mimetype ) );
  92         }
  93
  94         /**
  95          * @covers Html::expandAttributes
  96          */
  97         public function testExpandAttributesSkipsNullAndFalse() {
  98                 # ## EMPTY ########
  99                 $this->assertEmpty(
 100                         Html::expandAttributes( [ 'foo' => null ] ),
 101                         'skip keys with null value'
 102                 );
 103                 $this->assertEmpty(
 104                         Html::expandAttributes( [ 'foo' => false ] ),
 105                         'skip keys with false value'
 106                 );
 107                 $this->assertEquals(
 108                         ' foo=""',
 109                         Html::expandAttributes( [ 'foo' => '' ] ),
 110                         'keep keys with an empty string'
 111                 );
 112         }
 113
 114         /**
 115          * @covers Html::expandAttributes
 116          */
 117         public function testExpandAttributesForBooleans() {
 118                 $this->assertEquals(
 119                         '',
 120                         Html::expandAttributes( [ 'selected' => false ] ),
 121                         'Boolean attributes do not generates output when value is false'
 122                 );
 123                 $this->assertEquals(
 124                         '',
 125                         Html::expandAttributes( [ 'selected' => null ] ),
 126                         'Boolean attributes do not generates output when value is null'
 127                 );
 128
 129                 $this->assertEquals(
 130                         ' selected=""',
 131                         Html::expandAttributes( [ 'selected' => true ] ),
 132                         'Boolean attributes have no value when value is true'
 133                 );
 134                 $this->assertEquals(
 135                         ' selected=""',
 136                         Html::expandAttributes( [ 'selected' ] ),
 137                         'Boolean attributes have no value when value is true (passed as numerical array)'
 138                 );
 139         }
 140
 141         /**
 142          * @covers Html::expandAttributes
 143          */
 144         public function testExpandAttributesForNumbers() {
 145                 $this->assertEquals(
 146                         ' value="1"',
 147                         Html::expandAttributes( [ 'value' => 1 ] ),
 148                         'Integer value is cast to a string'
 149                 );
 150                 $this->assertEquals(
 151                         ' value="1.1"',
 152                         Html::expandAttributes( [ 'value' => 1.1 ] ),
 153                         'Float value is cast to a string'
 154                 );
 155         }
 156
 157         /**
 158          * @covers Html::expandAttributes
 159          */
 160         public function testExpandAttributesForObjects() {
 161                 $this->assertEquals(
 162                         ' value="stringValue"',
 163                         Html::expandAttributes( [ 'value' => new HtmlTestValue() ] ),
 164                         'Object value is converted to a string'
 165                 );
 166         }
 167
 168         /**
 169          * Test for Html::expandAttributes()
 170          * Please note it output a string prefixed with a space!
 171          * @covers Html::expandAttributes
 172          */
 173         public function testExpandAttributesVariousExpansions() {
 174                 # ## NOT EMPTY ####
 175                 $this->assertEquals(
 176                         ' empty_string=""',
 177                         Html::expandAttributes( [ 'empty_string' => '' ] ),
 178                         'Empty string is always quoted'
 179                 );
 180                 $this->assertEquals(
 181                         ' key="value"',
 182                         Html::expandAttributes( [ 'key' => 'value' ] ),
 183                         'Simple string value needs no quotes'
 184                 );
 185                 $this->assertEquals(
 186                         ' one="1"',
 187                         Html::expandAttributes( [ 'one' => 1 ] ),
 188                         'Number 1 value needs no quotes'
 189                 );
 190                 $this->assertEquals(
 191                         ' zero="0"',
 192                         Html::expandAttributes( [ 'zero' => 0 ] ),
 193                         'Number 0 value needs no quotes'
 194                 );
 195         }
 196
 197         /**
 198          * Html::expandAttributes has special features for HTML
 199          * attributes that use space separated lists and also
 200          * allows arrays to be used as values.
 201          * @covers Html::expandAttributes
 202          */
 203         public function testExpandAttributesListValueAttributes() {
 204                 # ## STRING VALUES
 205                 $this->assertEquals(
 206                         ' class="redundant spaces here"',
 207                         Html::expandAttributes( [ 'class' => ' redundant  spaces  here  ' ] ),
 208                         'Normalization should strip redundant spaces'
 209                 );
 210                 $this->assertEquals(
 211                         ' class="foo bar"',
 212                         Html::expandAttributes( [ 'class' => 'foo bar foo bar bar' ] ),
 213                         'Normalization should remove duplicates in string-lists'
 214                 );
 215                 # ## "EMPTY" ARRAY VALUES
 216                 $this->assertEquals(
 217                         ' class=""',
 218                         Html::expandAttributes( [ 'class' => [] ] ),
 219                         'Value with an empty array'
 220                 );
 221                 $this->assertEquals(
 222                         ' class=""',
 223                         Html::expandAttributes( [ 'class' => [ null, '', ' ', '  ' ] ] ),
 224                         'Array with null, empty string and spaces'
 225                 );
 226                 # ## NON-EMPTY ARRAY VALUES
 227                 $this->assertEquals(
 228                         ' class="foo bar"',
 229                         Html::expandAttributes( [ 'class' => [
 230                                 'foo',
 231                                 'bar',
 232                                 'foo',
 233                                 'bar',
 234                                 'bar',
 235                         ] ] ),
 236                         'Normalization should remove duplicates in the array'
 237                 );
 238                 $this->assertEquals(
 239                         ' class="foo bar"',
 240                         Html::expandAttributes( [ 'class' => [
 241                                 'foo bar',
 242                                 'bar foo',
 243                                 'foo',
 244                                 'bar bar',
 245                         ] ] ),
 246                         'Normalization should remove duplicates in string-lists in the array'
 247                 );
 248         }
 249
 250         /**
 251          * Test feature added by r96188, let pass attributes values as
 252          * a PHP array. Restricted to class,rel, accesskey.
 253          * @covers Html::expandAttributes
 254          */
 255         public function testExpandAttributesSpaceSeparatedAttributesWithBoolean() {
 256                 $this->assertEquals(
 257                         ' class="booltrue one"',
 258                         Html::expandAttributes( [ 'class' => [
 259                                 'booltrue' => true,
 260                                 'one' => 1,
 261
 262                                 # Method use isset() internally, make sure we do discard
 263                                 # attributes values which have been assigned well known values
 264                                 'emptystring' => '',
 265                                 'boolfalse' => false,
 266                                 'zero' => 0,
 267                                 'null' => null,
 268                         ] ] )
 269                 );
 270         }
 271
 272         /**
 273          * How do we handle duplicate keys in HTML attributes expansion?
 274          * We could pass a "class" the values: 'GREEN' and array( 'GREEN' => false )
 275          * The latter will take precedence.
 276          *
 277          * Feature added by r96188
 278          * @covers Html::expandAttributes
 279          */
 280         public function testValueIsAuthoritativeInSpaceSeparatedAttributesArrays() {
 281                 $this->assertEquals(
 282                         ' class=""',
 283                         Html::expandAttributes( [ 'class' => [
 284                                 'GREEN',
 285                                 'GREEN' => false,
 286                                 'GREEN',
 287                         ] ] )
 288                 );
 289         }
 290
 291         /**
 292          * @covers Html::expandAttributes
 293          * @expectedException MWException
 294          */
 295         public function testExpandAttributes_ArrayOnNonListValueAttribute_ThrowsException() {
 296                 // Real-life test case found in the Popups extension (see Gerrit cf0fd64),
 297                 // when used with an outdated BetaFeatures extension (see Gerrit deda1e7)
 298                 Html::expandAttributes( [
 299                         'src' => [
 300                                 'ltr' => 'ltr.svg',
 301                                 'rtl' => 'rtl.svg'
 302                         ]
 303                 ] );
 304         }
 305
 306         /**
 307          * @covers Html::namespaceSelector
 308          * @covers Html::namespaceSelectorOptions
 309          */
 310         public function testNamespaceSelector() {
 311                 $this->assertEquals(
 312                         '<select id="namespace" name="namespace">' . "\n" .
 313                                 '<option value="0">(Main)</option>' . "\n" .
 314                                 '<option value="1">Talk</option>' . "\n" .
 315                                 '<option value="2">User</option>' . "\n" .
 316                                 '<option value="3">User talk</option>' . "\n" .
 317                                 '<option value="4">MyWiki</option>' . "\n" .
 318                                 '<option value="5">MyWiki Talk</option>' . "\n" .
 319                                 '<option value="6">File</option>' . "\n" .
 320                                 '<option value="7">File talk</option>' . "\n" .
 321                                 '<option value="8">MediaWiki</option>' . "\n" .
 322                                 '<option value="9">MediaWiki talk</option>' . "\n" .
 323                                 '<option value="10">Template</option>' . "\n" .
 324                                 '<option value="11">Template talk</option>' . "\n" .
 325                                 '<option value="14">Category</option>' . "\n" .
 326                                 '<option value="15">Category talk</option>' . "\n" .
 327                                 '<option value="100">Custom</option>' . "\n" .
 328                                 '<option value="101">Custom talk</option>' . "\n" .
 329                                 '</select>',
 330                         Html::namespaceSelector(),
 331                         'Basic namespace selector without custom options'
 332                 );
 333
 334                 $this->assertEquals(
 335                         '<label for="mw-test-namespace">Select a namespace:</label>&#160;' .
 336                                 '<select id="mw-test-namespace" name="wpNamespace">' . "\n" .
 337                                 '<option value="all">all</option>' . "\n" .
 338                                 '<option value="0">(Main)</option>' . "\n" .
 339                                 '<option value="1">Talk</option>' . "\n" .
 340                                 '<option value="2" selected="">User</option>' . "\n" .
 341                                 '<option value="3">User talk</option>' . "\n" .
 342                                 '<option value="4">MyWiki</option>' . "\n" .
 343                                 '<option value="5">MyWiki Talk</option>' . "\n" .
 344                                 '<option value="6">File</option>' . "\n" .
 345                                 '<option value="7">File talk</option>' . "\n" .
 346                                 '<option value="8">MediaWiki</option>' . "\n" .
 347                                 '<option value="9">MediaWiki talk</option>' . "\n" .
 348                                 '<option value="10">Template</option>' . "\n" .
 349                                 '<option value="11">Template talk</option>' . "\n" .
 350                                 '<option value="14">Category</option>' . "\n" .
 351                                 '<option value="15">Category talk</option>' . "\n" .
 352                                 '<option value="100">Custom</option>' . "\n" .
 353                                 '<option value="101">Custom talk</option>' . "\n" .
 354                                 '</select>',
 355                         Html::namespaceSelector(
 356                                 [ 'selected' => '2', 'all' => 'all', 'label' => 'Select a namespace:' ],
 357                                 [ 'name' => 'wpNamespace', 'id' => 'mw-test-namespace' ]
 358                         ),
 359                         'Basic namespace selector with custom values'
 360                 );
 361
 362                 $this->assertEquals(
 363                         '<label for="namespace">Select a namespace:</label>&#160;' .
 364                                 '<select id="namespace" name="namespace">' . "\n" .
 365                                 '<option value="0">(Main)</option>' . "\n" .
 366                                 '<option value="1">Talk</option>' . "\n" .
 367                                 '<option value="2">User</option>' . "\n" .
 368                                 '<option value="3">User talk</option>' . "\n" .
 369                                 '<option value="4">MyWiki</option>' . "\n" .
 370                                 '<option value="5">MyWiki Talk</option>' . "\n" .
 371                                 '<option value="6">File</option>' . "\n" .
 372                                 '<option value="7">File talk</option>' . "\n" .
 373                                 '<option value="8">MediaWiki</option>' . "\n" .
 374                                 '<option value="9">MediaWiki talk</option>' . "\n" .
 375                                 '<option value="10">Template</option>' . "\n" .
 376                                 '<option value="11">Template talk</option>' . "\n" .
 377                                 '<option value="14">Category</option>' . "\n" .
 378                                 '<option value="15">Category talk</option>' . "\n" .
 379                                 '<option value="100">Custom</option>' . "\n" .
 380                                 '<option value="101">Custom talk</option>' . "\n" .
 381                                 '</select>',
 382                         Html::namespaceSelector(
 383                                 [ 'label' => 'Select a namespace:' ]
 384                         ),
 385                         'Basic namespace selector with a custom label but no id attribtue for the <select>'
 386                 );
 387         }
 388
 389         public function testCanFilterOutNamespaces() {
 390                 $this->assertEquals(
 391                         '<select id="namespace" name="namespace">' . "\n" .
 392                                 '<option value="2">User</option>' . "\n" .
 393                                 '<option value="4">MyWiki</option>' . "\n" .
 394                                 '<option value="5">MyWiki Talk</option>' . "\n" .
 395                                 '<option value="6">File</option>' . "\n" .
 396                                 '<option value="7">File talk</option>' . "\n" .
 397                                 '<option value="8">MediaWiki</option>' . "\n" .
 398                                 '<option value="9">MediaWiki talk</option>' . "\n" .
 399                                 '<option value="10">Template</option>' . "\n" .
 400                                 '<option value="11">Template talk</option>' . "\n" .
 401                                 '<option value="14">Category</option>' . "\n" .
 402                                 '<option value="15">Category talk</option>' . "\n" .
 403                                 '</select>',
 404                         Html::namespaceSelector(
 405                                 [ 'exclude' => [ 0, 1, 3, 100, 101 ] ]
 406                         ),
 407                         'Namespace selector namespace filtering.'
 408                 );
 409         }
 410
 411         public function testCanDisableANamespaces() {
 412                 $this->assertEquals(
 413                         '<select id="namespace" name="namespace">' . "\n" .
 414                                 '<option disabled="" value="0">(Main)</option>' . "\n" .
 415                                 '<option disabled="" value="1">Talk</option>' . "\n" .
 416                                 '<option disabled="" value="2">User</option>' . "\n" .
 417                                 '<option disabled="" value="3">User talk</option>' . "\n" .
 418                                 '<option disabled="" value="4">MyWiki</option>' . "\n" .
 419                                 '<option value="5">MyWiki Talk</option>' . "\n" .
 420                                 '<option value="6">File</option>' . "\n" .
 421                                 '<option value="7">File talk</option>' . "\n" .
 422                                 '<option value="8">MediaWiki</option>' . "\n" .
 423                                 '<option value="9">MediaWiki talk</option>' . "\n" .
 424                                 '<option value="10">Template</option>' . "\n" .
 425                                 '<option value="11">Template talk</option>' . "\n" .
 426                                 '<option value="14">Category</option>' . "\n" .
 427                                 '<option value="15">Category talk</option>' . "\n" .
 428                                 '<option value="100">Custom</option>' . "\n" .
 429                                 '<option value="101">Custom talk</option>' . "\n" .
 430                                 '</select>',
 431                         Html::namespaceSelector( [
 432                                 'disable' => [ 0, 1, 2, 3, 4 ]
 433                         ] ),
 434                         'Namespace selector namespace disabling'
 435                 );
 436         }
 437
 438         /**
 439          * @dataProvider provideHtml5InputTypes
 440          * @covers Html::element
 441          */
 442         public function testHtmlElementAcceptsNewHtml5TypesInHtml5Mode( $HTML5InputType ) {
 443                 $this->assertEquals(
 444                         '<input type="' . $HTML5InputType . '"/>',
 445                         Html::element( 'input', [ 'type' => $HTML5InputType ] ),
 446                         'In HTML5, Html::element() should accept type="' . $HTML5InputType . '"'
 447                 );
 448         }
 449
 450         /**
 451          * @covers Html::warningBox
 452          * @covers Html::messageBox
 453          */
 454         public function testWarningBox() {
 455                 $this->assertEquals(
 456                         Html::warningBox( 'warn' ),
 457                         '<div class="warningbox">warn</div>'
 458                 );
 459         }
 460
 461         /**
 462          * @covers Html::errorBox
 463          * @covers Html::messageBox
 464          */
 465         public function testErrorBox() {
 466                 $this->assertEquals(
 467                         Html::errorBox( 'err' ),
 468                         '<div class="errorbox">err</div>'
 469                 );
 470                 $this->assertEquals(
 471                         Html::errorBox( 'err', 'heading' ),
 472                         '<div class="errorbox"><h2>heading</h2>err</div>'
 473                 );
 474         }
 475
 476         /**
 477          * @covers Html::successBox
 478          * @covers Html::messageBox
 479          */
 480         public function testSuccessBox() {
 481                 $this->assertEquals(
 482                         Html::successBox( 'great' ),
 483                         '<div class="successbox">great</div>'
 484                 );
 485                 $this->assertEquals(
 486                         Html::successBox( '<script>beware no escaping!</script>' ),
 487                         '<div class="successbox"><script>beware no escaping!</script></div>'
 488                 );
 489         }
 490
 491         /**
 492          * List of input element types values introduced by HTML5
 493          * Full list at https://www.w3.org/TR/html-markup/input.html
 494          */
 495         public static function provideHtml5InputTypes() {
 496                 $types = [
 497                         'datetime',
 498                         'datetime-local',
 499                         'date',
 500                         'month',
 501                         'time',
 502                         'week',
 503                         'number',
 504                         'range',
 505                         'email',
 506                         'url',
 507                         'search',
 508                         'tel',
 509                         'color',
 510                 ];
 511                 $cases = [];
 512                 foreach ( $types as $type ) {
 513                         $cases[] = [ $type ];
 514                 }
 515
 516                 return $cases;
 517         }
 518
 519         /**
 520          * Test out Html::element drops or enforces default value
 521          * @covers Html::dropDefaults
 522          * @dataProvider provideElementsWithAttributesHavingDefaultValues
 523          */
 524         public function testDropDefaults( $expected, $element, $attribs, $message = '' ) {
 525                 $this->assertEquals( $expected, Html::element( $element, $attribs ), $message );
 526         }
 527
 528         public static function provideElementsWithAttributesHavingDefaultValues() {
 529                 # Use cases in a concise format:
 530                 # <expected>, <element name>, <array of attributes> [, <message>]
 531                 # Will be mapped to Html::element()
 532                 $cases = [];
 533
 534                 # ## Generic cases, match $attribDefault static array
 535                 $cases[] = [ '<area/>',
 536                         'area', [ 'shape' => 'rect' ]
 537                 ];
 538
 539                 $cases[] = [ '<button type="submit"></button>',
 540                         'button', [ 'formaction' => 'GET' ]
 541                 ];
 542                 $cases[] = [ '<button type="submit"></button>',
 543                         'button', [ 'formenctype' => 'application/x-www-form-urlencoded' ]
 544                 ];
 545
 546                 $cases[] = [ '<canvas></canvas>',
 547                         'canvas', [ 'height' => '150' ]
 548                 ];
 549                 $cases[] = [ '<canvas></canvas>',
 550                         'canvas', [ 'width' => '300' ]
 551                 ];
 552                 # Also check with numeric values
 553                 $cases[] = [ '<canvas></canvas>',
 554                         'canvas', [ 'height' => 150 ]
 555                 ];
 556                 $cases[] = [ '<canvas></canvas>',
 557                         'canvas', [ 'width' => 300 ]
 558                 ];
 559
 560                 $cases[] = [ '<form></form>',
 561                         'form', [ 'action' => 'GET' ]
 562                 ];
 563                 $cases[] = [ '<form></form>',
 564                         'form', [ 'autocomplete' => 'on' ]
 565                 ];
 566                 $cases[] = [ '<form></form>',
 567                         'form', [ 'enctype' => 'application/x-www-form-urlencoded' ]
 568                 ];
 569
 570                 $cases[] = [ '<input/>',
 571                         'input', [ 'formaction' => 'GET' ]
 572                 ];
 573                 $cases[] = [ '<input/>',
 574                         'input', [ 'type' => 'text' ]
 575                 ];
 576
 577                 $cases[] = [ '<keygen/>',
 578                         'keygen', [ 'keytype' => 'rsa' ]
 579                 ];
 580
 581                 $cases[] = [ '<link/>',
 582                         'link', [ 'media' => 'all' ]
 583                 ];
 584
 585                 $cases[] = [ '<menu></menu>',
 586                         'menu', [ 'type' => 'list' ]
 587                 ];
 588
 589                 $cases[] = [ '<script></script>',
 590                         'script', [ 'type' => 'text/javascript' ]
 591                 ];
 592
 593                 $cases[] = [ '<style></style>',
 594                         'style', [ 'media' => 'all' ]
 595                 ];
 596                 $cases[] = [ '<style></style>',
 597                         'style', [ 'type' => 'text/css' ]
 598                 ];
 599
 600                 $cases[] = [ '<textarea></textarea>',
 601                         'textarea', [ 'wrap' => 'soft' ]
 602                 ];
 603
 604                 # ## SPECIFIC CASES
 605
 606                 # <link type="text/css">
 607                 $cases[] = [ '<link/>',
 608                         'link', [ 'type' => 'text/css' ]
 609                 ];
 610
 611                 # <input> specific handling
 612                 $cases[] = [ '<input type="checkbox"/>',
 613                         'input', [ 'type' => 'checkbox', 'value' => 'on' ],
 614                         'Default value "on" is stripped of checkboxes',
 615                 ];
 616                 $cases[] = [ '<input type="radio"/>',
 617                         'input', [ 'type' => 'radio', 'value' => 'on' ],
 618                         'Default value "on" is stripped of radio buttons',
 619                 ];
 620                 $cases[] = [ '<input type="submit" value="Submit"/>',
 621                         'input', [ 'type' => 'submit', 'value' => 'Submit' ],
 622                         'Default value "Submit" is kept on submit buttons (for possible l10n issues)',
 623                 ];
 624                 $cases[] = [ '<input type="color"/>',
 625                         'input', [ 'type' => 'color', 'value' => '' ],
 626                 ];
 627                 $cases[] = [ '<input type="range"/>',
 628                         'input', [ 'type' => 'range', 'value' => '' ],
 629                 ];
 630
 631                 # <button> specific handling
 632                 # see remarks on https://msdn.microsoft.com/library/ms535211(v=vs.85).aspx
 633                 $cases[] = [ '<button type="submit"></button>',
 634                         'button', [ 'type' => 'submit' ],
 635                         'According to standard the default type is "submit". '
 636                                 . 'Depending on compatibility mode IE might use "button", instead.',
 637                 ];
 638
 639                 # <select> specific handling
 640                 $cases[] = [ '<select multiple=""></select>',
 641                         'select', [ 'size' => '4', 'multiple' => true ],
 642                 ];
 643                 # .. with numeric value
 644                 $cases[] = [ '<select multiple=""></select>',
 645                         'select', [ 'size' => 4, 'multiple' => true ],
 646                 ];
 647                 $cases[] = [ '<select></select>',
 648                         'select', [ 'size' => '1', 'multiple' => false ],
 649                 ];
 650                 # .. with numeric value
 651                 $cases[] = [ '<select></select>',
 652                         'select', [ 'size' => 1, 'multiple' => false ],
 653                 ];
 654
 655                 # Passing an array as value
 656                 $cases[] = [ '<a class="css-class-one css-class-two"></a>',
 657                         'a', [ 'class' => [ 'css-class-one', 'css-class-two' ] ],
 658                         "dropDefaults accepts values given as an array"
 659                 ];
 660
 661                 # FIXME: doDropDefault should remove defaults given in an array
 662                 # Expected should be '<a></a>'
 663                 $cases[] = [ '<a class=""></a>',
 664                         'a', [ 'class' => [ '', '' ] ],
 665                         "dropDefaults accepts values given as an array"
 666                 ];
 667
 668                 # Craft the Html elements
 669                 $ret = [];
 670                 foreach ( $cases as $case ) {
 671                         $ret[] = [
 672                                 $case[0],
 673                                 $case[1], $case[2],
 674                                 isset( $case[3] ) ? $case[3] : ''
 675                         ];
 676                 }
 677
 678                 return $ret;
 679         }
 680
 681         public function testWrapperInput() {
 682                 $this->assertEquals(
 683                         '<input type="radio" value="testval" name="testname"/>',
 684                         Html::input( 'testname', 'testval', 'radio' ),
 685                         'Input wrapper with type and value.'
 686                 );
 687                 $this->assertEquals(
 688                         '<input name="testname"/>',
 689                         Html::input( 'testname' ),
 690                         'Input wrapper with all default values.'
 691                 );
 692         }
 693
 694         public function testWrapperCheck() {
 695                 $this->assertEquals(
 696                         '<input type="checkbox" value="1" name="testname"/>',
 697                         Html::check( 'testname' ),
 698                         'Checkbox wrapper unchecked.'
 699                 );
 700                 $this->assertEquals(
 701                         '<input checked="" type="checkbox" value="1" name="testname"/>',
 702                         Html::check( 'testname', true ),
 703                         'Checkbox wrapper checked.'
 704                 );
 705                 $this->assertEquals(
 706                         '<input type="checkbox" value="testval" name="testname"/>',
 707                         Html::check( 'testname', false, [ 'value' => 'testval' ] ),
 708                         'Checkbox wrapper with a value override.'
 709                 );
 710         }
 711
 712         public function testWrapperRadio() {
 713                 $this->assertEquals(
 714                         '<input type="radio" value="1" name="testname"/>',
 715                         Html::radio( 'testname' ),
 716                         'Radio wrapper unchecked.'
 717                 );
 718                 $this->assertEquals(
 719                         '<input checked="" type="radio" value="1" name="testname"/>',
 720                         Html::radio( 'testname', true ),
 721                         'Radio wrapper checked.'
 722                 );
 723                 $this->assertEquals(
 724                         '<input type="radio" value="testval" name="testname"/>',
 725                         Html::radio( 'testname', false, [ 'value' => 'testval' ] ),
 726                         'Radio wrapper with a value override.'
 727                 );
 728         }
 729
 730         public function testWrapperLabel() {
 731                 $this->assertEquals(
 732                         '<label for="testid">testlabel</label>',
 733                         Html::label( 'testlabel', 'testid' ),
 734                         'Label wrapper'
 735                 );
 736         }
 737
 738         public static function provideSrcSetImages() {
 739                 return [
 740                         [ [], '', 'when there are no images, return empty string' ],
 741                         [
 742                                 [ '1x' => '1x.png', '1.5x' => '1_5x.png', '2x' => '2x.png' ],
 743                                 '1x.png 1x, 1_5x.png 1.5x, 2x.png 2x',
 744                                 'pixel depth keys may include a trailing "x"'
 745                         ],
 746                         [
 747                                 [ '1'  => '1x.png', '1.5' => '1_5x.png', '2'  => '2x.png' ],
 748                                 '1x.png 1x, 1_5x.png 1.5x, 2x.png 2x',
 749                                 'pixel depth keys may omit a trailing "x"'
 750                         ],
 751                         [
 752                                 [ '1'  => 'small.png', '1.5' => 'large.png', '2'  => 'large.png' ],
 753                                 'small.png 1x, large.png 1.5x',
 754                                 'omit larger duplicates'
 755                         ],
 756                         [
 757                                 [ '1'  => 'small.png', '2'  => 'large.png', '1.5' => 'large.png' ],
 758                                 'small.png 1x, large.png 1.5x',
 759                                 'omit larger duplicates in irregular order'
 760                         ],
 761                 ];
 762         }
 763
 764         /**
 765          * @dataProvider provideSrcSetImages
 766          * @covers Html::srcSet
 767          */
 768         public function testSrcSet( $images, $expected, $message ) {
 769                 $this->assertEquals( Html::srcSet( $images ), $expected, $message );
 770         }
 771 }
 772
 773 class HtmlTestValue {
 774         function __toString() {
 775                 return 'stringValue';
 776         }
 777 }