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