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TemplateStylesContentHandlerTest.php
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TemplateStylesContentHandlerTest.php
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<?php
use MediaWiki\Content\ValidationParams;
use MediaWiki\Extension\TemplateStyles\TemplateStylesContent;
use MediaWiki\Extension\TemplateStyles\TemplateStylesContentHandler;
use MediaWiki\Message\Message;
use MediaWiki\Page\PageIdentity;
use MediaWiki\Page\PageIdentityValue;
use MediaWiki\Status\Status;
use MediaWiki\Title\Title;
/**
* @group TemplateStyles
* @covers \MediaWiki\Extension\TemplateStyles\TemplateStylesContentHandler
*/
class TemplateStylesContentHandlerTest extends MediaWikiLangTestCase {
private function newHandler( string $modelId = 'sanitized-css' ): TemplateStylesContentHandler {
$serviceContainer = $this->getServiceContainer();
return new TemplateStylesContentHandler(
$modelId,
$serviceContainer->getTrackingCategories(),
$serviceContainer->getConfigFactory(),
);
}
public function testBasics() {
$handler = $this->newHandler();
$this->assertSame( 'sanitized-css', $handler->getModelID() );
$this->assertSame( [ 'text/css' ], $handler->getSupportedFormats() );
$this->assertInstanceOf( TemplateStylesContent::class, $handler->makeEmptyContent() );
$this->assertFalse( $handler->supportsRedirects() );
$title = Title::newFromText( 'Template:Example/styles.css' );
$this->assertNull( $handler->makeRedirectContent( $title ) );
}
public function testValidateSave() {
$content = new TemplateStylesContent( '.foo { bogus: bogus; }' );
$handler = $this->newHandler();
$page = new PageIdentityValue( 0, 1, 'Foo', PageIdentity::LOCAL );
$validationParams = new ValidationParams( $page, 0, 123 );
$this->assertEquals(
$handler->validateSave(
$content,
$validationParams
),
Status::newFatal( 'templatestyles-error-unrecognized-property', 1, 8 )
);
}
public static function provideSanitize() {
$status1 = Status::newGood( '.mw-parser-output .foo{}' );
$status1->warning( 'templatestyles-error-bad-value-for-property', 1, 15, 'color' );
return [
'flip' => [
'.foo { margin-left: 10px; /*@noflip*/ padding-left: 1em; }',
[ 'flip' => true ],
Status::newGood( '.mw-parser-output .foo{margin-right:10px;padding-left:1em}' )
],
'no minify' => [
'.foo { margin-left: 10px }',
[ 'minify' => false ],
Status::newGood( '.mw-parser-output .foo { margin-left:10px; }' )
],
'With warnings' => [
'.foo { color: bogus; }',
[],
$status1
],
'With warnings, fatal and no value' => [
'.foo { bogus: bogus; }',
[ 'severity' => 'fatal', 'novalue' => true ],
Status::newFatal( 'templatestyles-error-unrecognized-property', 1, 8 ),
],
'With overridden class prefix' => [
'.foo { margin-left: 10px }',
[ 'class' => 'foo bar', 'minify' => false ],
Status::newGood( '.foo\ bar .foo { margin-left:10px; }' )
],
'With boolean false as a class prefix' => [
'.foo { margin-left: 10px }',
[ 'class' => false, 'minify' => false ],
Status::newGood( '.mw-parser-output .foo { margin-left:10px; }' )
],
'With an extra wrapper' => [
'.foo { margin-left: 10px }',
[ 'extraWrapper' => 'div.class' ],
Status::newGood( '.mw-parser-output div.class .foo{margin-left:10px}' )
],
'Escaping U+007F' => [
".foo\\\x7f { content: '\x7f'; }",
[],
Status::newGood(
'.mw-parser-output .foo\\7f {content:"\\7f "}'
)
],
'@font-face prefixing' => [
'@font-face { font-family: nope; }',
[ 'severity' => 'fatal', 'novalue' => true ],
Status::newFatal( 'templatestyles-error-bad-value-for-property', 1, 27, 'font-family' ),
],
'</style> in string' => [
'.foo { content: "</style>"; }',
[],
Status::newGood( '.mw-parser-output .foo{content:"\3c /style\3e "}' )
],
'</style> via identifiers' => [
'.foo { grid-area: \< / style 0 / \>; }',
[],
Status::newGood( '.mw-parser-output .foo{grid-area:\3c /style 0/\3e }' ),
],
];
}
/**
* @dataProvider provideSanitize
* @param string $text Input text
* @param array $options
* @param Status $expect
*/
public function testSanitize( $text, $options, $expect ) {
$content = new TemplateStylesContent( $text );
$contentHandler = $this->newHandler( $content->getModel() );
$this->assertEquals( $expect, $contentHandler->sanitize( $content, $options ) );
}
public function testInvalidWrapper() {
$this->expectException( InvalidArgumentException::class );
$this->expectExceptionMessage( 'Invalid value for $extraWrapper: .foo>.bar' );
$content = new TemplateStylesContent( '.foo { margin-left: 10px }' );
$contentHandler = $this->newHandler( $content->getModel() );
$contentHandler->sanitize(
$content,
[ 'extraWrapper' => '.foo>.bar' ]
);
}
public function testCrazyBrokenSanitizer() {
// Big hack: Make a Token that returns a bad string, and a Sanitizer
// that returns that bad Token, just so we can test a code path that
// handles such bad output.
$this->setTemporaryHook(
'TemplateStylesStylesheetSanitizer',
function ( &$sanitizer ) {
$badToken = $this->getMockBuilder( Wikimedia\CSS\Objects\Token::class )
->disableOriginalConstructor()
->onlyMethods( [ '__toString' ] )
->getMock();
$badToken->method( '__toString' )->willReturn( '"</style>"' );
$sanitizer = $this->getMockBuilder( Wikimedia\CSS\Sanitizer\StylesheetSanitizer::class )
->disableOriginalConstructor()
->onlyMethods( [ 'sanitize' ] )
->getMock();
$sanitizer->method( 'sanitize' )->willReturn( $badToken );
return false;
}
);
$content = new TemplateStylesContent( '.foo {}' );
$contentHandler = $this->newHandler( $content->getModel() );
$this->assertEquals(
Status::newFatal( 'templatestyles-tag-injection' ),
$contentHandler->sanitize( $content, [ 'class' => 'testCrazyBrokenSanitizer' ] )
);
}
public static function provideSizeLimit() {
$long = str_repeat( 'X', 102400 );
return [
'Good' => [
new TemplateStylesContent( '.foobar {}' ),
Status::newGood( '.mw-parser-output .foobar{}' ),
10
],
'Size Exceeded' => [
new TemplateStylesContent( '.foobar2 {}' ),
Status::newFatal( wfMessage( 'templatestyles-size-exceeded', 10, Message::sizeParam( 10 ) ) ),
10
],
'Long' => [
new TemplateStylesContent( ".{$long} {}" ),
Status::newGood( ".mw-parser-output .{$long}{}" ),
null
],
];
}
/**
* @dataProvider provideSizeLimit
* @param TemplateStylesContent $content
* @param StatusValue $expectedStatus
* @param int|null $size
*/
public function testSizeLimit( TemplateStylesContent $content, StatusValue $expectedStatus, $size = null ) {
$this->overrideConfigValue( 'TemplateStylesMaxStylesheetSize', $size );
$contentHandler = $this->newHandler( $content->getModel() );
$this->assertEquals(
$expectedStatus,
$contentHandler->sanitize( $content )
);
}
}

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TemplateStylesContentHandlerTest.php (6 KB)

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