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<?php namespace MediaWiki\Extension\Math; use MediaWiki\Extension\Math\Render\RendererFactory; use MediaWiki\Extension\Math\Widget\MathTestInputForm; use MediaWiki\Logger\LoggerFactory; use MediaWiki\Registration\ExtensionRegistry; use MediaWiki\SpecialPage\UnlistedSpecialPage; use Psr\Log\LoggerInterface; use UserNotLoggedIn; /** * MediaWiki math extension * * @copyright 2002-2015 Tomasz Wegrzanowski, Brion Vibber, Moritz Schubotz, * and other MediaWiki contributors * @license GPL-2.0-or-later * @author Moritz Schubotz */ class SpecialMathStatus extends UnlistedSpecialPage { /** @var LoggerInterface */ private $logger; /** @var MathConfig */ private $mathConfig; /** @var RendererFactory */ private $rendererFactory; public function __construct( MathConfig $mathConfig, RendererFactory $rendererFactory ) { parent::__construct( 'MathStatus' ); $this->mathConfig = $mathConfig; $this->rendererFactory = $rendererFactory; $this->logger = LoggerFactory::getInstance( 'Math' ); } /** * @param null|string $query */ public function execute( $query ) { $this->setHeaders(); if ( !( $this->getUser()->isNamed() ) ) { // This page is primarily of interest to developers. // This action is comparable to previewing or parsing a small snippet of wikitext. // If using RESTBase instead of native MML, this page makes HTTP requests to it. // Optimization: Avoid uncached math parsing for logged-out users. throw new UserNotLoggedIn(); } $out = $this->getOutput(); $enabledMathModes = $this->mathConfig->getValidRenderingModeNames(); $req = $this->getRequest(); $tex = $req->getText( 'wptex' ); if ( $tex === '' ) { $out->addWikiMsg( 'math-status-introduction', count( $enabledMathModes ) ); foreach ( $enabledMathModes as $modeNr => $modeName ) { $out->wrapWikiMsg( '=== $1 ===', $modeName ); switch ( $modeNr ) { case MathConfig::MODE_MATHML: $this->runMathMLTest( $modeName ); break; case MathConfig::MODE_LATEXML: $this->runMathLaTeXMLTest( $modeName ); break; case MathConfig::MODE_NATIVE_MML: $this->runNativeTest( $modeName ); } } } $form = new MathTestInputForm( $this, $enabledMathModes, $this->rendererFactory ); $form->show(); } private function runNativeTest( string $modeName ) { $this->getOutput()->addWikiMsgArray( 'math-test-start', [ $modeName ] ); $renderer = $this->rendererFactory->getRenderer( "a+b", [], MathConfig::MODE_NATIVE_MML ); if ( !$this->assertTrue( $renderer->render(), "Rendering of a+b in $modeName" ) ) { return; } $real = str_replace( "\n", '', $renderer->getHtmlOutput() ); $expected = '<mo stretchy="false">+</mo>'; $this->assertContains( $expected, $real, "Checking the presence of '+' in the MathML output" ); $this->getOutput()->addWikiMsgArray( 'math-test-end', [ $modeName ] ); } private function runMathMLTest( string $modeName ) { $this->getOutput()->addWikiMsgArray( 'math-test-start', [ $modeName ] ); $this->testSpecialCaseText(); $this->testMathMLIntegration(); $this->testPmmlInput(); $this->getOutput()->addWikiMsgArray( 'math-test-end', [ $modeName ] ); } private function runMathLaTeXMLTest( string $modeName ) { $this->getOutput()->addWikiMsgArray( 'math-test-start', [ $modeName ] ); $this->testLaTeXMLIntegration(); $this->testLaTeXMLLinebreak(); $this->getOutput()->addWikiMsgArray( 'math-test-end', [ $modeName ] ); } public function testSpecialCaseText() { $renderer = $this->rendererFactory->getRenderer( 'x^2+\text{a sample Text}', [], MathConfig::MODE_MATHML ); $expected = 'a sample Text</mtext>'; if ( !$this->assertTrue( $renderer->render(), 'Rendering the input "x^2+\text{a sample Text}"' ) ) { return; } $this->assertContains( $expected, $renderer->getHtmlOutput(), 'Comparing to the reference rendering' ); } /** * Checks the basic functionality * i.e. if the span element is generated right. */ public function testMathMLIntegration() { $renderer = $this->rendererFactory->getRenderer( "a+b", [], MathConfig::MODE_MATHML ); if ( !$this->assertTrue( $renderer->render(), "Rendering of a+b in plain MathML mode" ) ) { return; } $real = str_replace( "\n", '', $renderer->getHtmlOutput() ); $expected = '<mo>+</mo>'; $this->assertContains( $expected, $real, "Checking the presence of '+' in the MathML output" ); $this->assertContains( '<svg xmlns:xlink="http://www.w3.org/1999/xlink" ', $renderer->getSvg(), "Check that the generated SVG image contains the xlink namespace" ); } /** * Checks the experimental option to 'render' MathML input */ public function testPmmlInput() { // sample from 'Navajo Coal Combustion and Respiratory Health Near Shiprock, // New Mexico' in ''Journal of Environmental and Public Health'' , vol. 2010p. // authors Joseph E. Bunnell; Linda V. Garcia; Jill M. Furst; // Harry Lerch; Ricardo A. Olea; Stephen E. Suitt; Allan Kolker // phpcs:ignore Generic.Files.LineLength.TooLong $inputSample = '<msub> <mrow> <mi> P</mi> </mrow> <mrow> <mi> i</mi> <mi> j</mi> </mrow> </msub> <mo> =</mo> <mfrac> <mrow> <mn> 100</mn> <msub> <mrow> <mi> d</mi> </mrow> <mrow> <mi> i</mi> <mi> j</mi> </mrow> </msub> </mrow> <mrow> <mn> 6.75</mn> <msub> <mrow> <mi> r</mi> </mrow> <mrow> <mi> j</mi> </mrow> </msub> </mrow> </mfrac> <mo> ,</mo> </math>'; $attribs = [ 'type' => 'pmml' ]; $renderer = $this->rendererFactory->getRenderer( $inputSample, $attribs, MathConfig::MODE_MATHML ); $this->assertEquals( 'pmml', $renderer->getInputType(), 'Checking if MathML input is supported' ); if ( !$this->assertTrue( $renderer->render(), 'Rendering Presentation MathML sample' ) ) { return; } $real = $renderer->getHtmlOutput(); $this->assertContains( 'mode=mathml', $real, 'Checking if the link to SVG image is in correct mode' ); } /** * Checks the basic functionality * i.e. if the span element is generated right. */ public function testLaTeXMLIntegration() { $renderer = $this->rendererFactory->getRenderer( "a+b", [], MathConfig::MODE_LATEXML ); if ( !$this->assertTrue( $renderer->render(), "Rendering of a+b in LaTeXML mode" ) ) { return; } // phpcs:ignore Generic.Files.LineLength.TooLong $expected = '<math xmlns="http://www.w3.org/1998/Math/MathML" '; $real = preg_replace( "/\n\\s*/", '', $renderer->getHtmlOutput() ); $this->assertContains( $expected, $real, "Comparing the output to the MathML reference rendering" . $renderer->getLastError() ); } /** * Checks LaTeXML line break functionality * i.e. if a long line contains a mtr element. * http://www.w3.org/TR/REC-MathML/chap3_5.html#sec3.5.2 */ public function testLaTeXMLLinebreak() { $mathDefaultLaTeXMLSetting = $this->getConfig()->get( 'MathDefaultLaTeXMLSetting' ); $tex = ''; $testMax = ceil( $mathDefaultLaTeXMLSetting[ 'linelength' ] / 2 ); for ( $i = 0; $i < $testMax; $i++ ) { $tex .= "$i+"; } $tex .= $testMax; $renderer = new MathLaTeXML( $tex, [ 'display' => 'linebreak' ] ); $renderer->setPurge(); if ( !$this->assertTrue( $renderer->render(), "Rendering of linebreak test in LaTeXML mode" ) ) { return; } $expected = 'mtr'; $real = preg_replace( "/\n\\s*/", '', $renderer->getHtmlOutput() ); $this->assertContains( $expected, $real, "Checking for linebreak" . $renderer->getLastError() ); } private function assertTrue( bool $expression, string $message = '' ): bool { if ( $expression ) { $this->getOutput()->addWikiMsgArray( 'math-test-success', [ $message ] ); return true; } else { $this->getOutput()->addWikiMsgArray( 'math-test-fail', [ $message ] ); return false; } } private function assertContains( string $expected, string $real, string $message = '' ) { if ( !$this->assertTrue( strpos( $real, $expected ) !== false, $message ) ) { $this->printDiff( $expected, $real, 'math-test-contains-diff' ); } } /** * @param array|string $expected * @param array|string $real * @param string $message */ private function assertEquals( $expected, $real, string $message = '' ): bool { if ( is_array( $expected ) ) { foreach ( $expected as $alternative ) { if ( $alternative === $real ) { $this->getOutput()->addWikiMsgArray( 'math-test-success', [ $message ] ); return true; } } // non of the alternatives matched $this->getOutput()->addWikiMsgArray( 'math-test-fail', [ $message ] ); return false; } if ( !$this->assertTrue( $expected === $real, $message ) ) { $this->printDiff( $expected, $real, 'math-test-equals-diff' ); return false; } return true; } private function printDiff( string $expected, string $real, string $message = '' ) { if ( ExtensionRegistry::getInstance()->isLoaded( "SyntaxHighlight" ) ) { $expected = "<syntaxhighlight lang=\"xml\">$expected</syntaxhighlight>"; $real = "<syntaxhighlight lang=\"xml\">$real</syntaxhighlight>"; $this->getOutput()->addWikiMsgArray( $message, [ $real, $expected ] ); } else { $this->logger->warning( 'Can not display expected and real value.' . 'SyntaxHighlight is not installed.' ); } } protected function getGroupName(): string { return 'other'; } }
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