mediawiki-extensions-Math/SpecialMathStatus.php
physikerwelt 8ca6554adf Resolve problems on SpecialPage:MathStatus
* Update reference SVG image
* Store image in file to simplify review

Bug: T113708
Change-Id: Ie727148dff7896bde1068f6efc643b430536991f
2015-11-10 12:55:19 +00:00

183 lines
7.3 KiB
PHP

<?php
use MediaWiki\Logger\LoggerFactory;
/**
* MediaWiki math extension
*
* (c) 2002-2015 Tomasz Wegrzanowski, Brion Vibber, Moritz Schubotz,
* and other MediaWiki contributors
* GPLv2 license; info in main package.
*
* @author Moritz Schubotz
*/
class SpecialMathStatus extends SpecialPage {
public function __construct( $name = 'MathStatus' ) {
parent::__construct( $name );
}
/**
* @param null|string $query
*
* @throws MWException
* @throws PermissionsError
*/
function execute( $query ) {
$this->setHeaders();
if ( ! ( $this->getUser()->isAllowed( 'purge' ) ) ) {
// The effect of loading this page is comparable to purge a page.
// If desired a dedicated right e.g. "viewmathstatus" could be used instead.
throw new PermissionsError( 'purge' );
}
$out = $this->getOutput();
$enabledMathModes = MathHooks::getMathNames();
$out->addWikiMsg( 'math-status-introduction', count( $enabledMathModes ) );
foreach ( $enabledMathModes as $modeNr => $modeName ){
$out->addWikiText( "=== $modeName ===" );
switch ( $modeNr ) {
case 'mathml':
$this->runMathMLTest( $modeName );
break;
case 'latexml':
$this->runMathLaTeXMLTest( $modeName );
}
}
}
private function runMathMLTest( $modeName ) {
$this->getOutput()->addWikiMsgArray( 'math-test-start', $modeName );
$this->testSpecialCaseText();
$this->testMathMLIntegration();
$this->testPmmlInput();
$this->getOutput()->addWikiMsgArray( 'math-test-end', $modeName );
}
private function runMathLaTeXMLTest( $modeName ) {
$this->getOutput()->addWikiMsgArray( 'math-test-start', $modeName );
$this->testLaTeXMLIntegration();
$this->testLaTeXMLLinebreak();
$this->getOutput()->addWikiMsgArray( 'math-test-end', $modeName );
}
public function testSpecialCaseText() {
$renderer = MathRenderer::getRenderer( 'x^2+\text{a sample Text}', array(), 'mathml' );
$expected = 'a sample Text</mtext>';
$this->assertTrue( $renderer->render(), 'Rendering the input "x^2+\text{a sample Text}"' );
$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() {
$svgRef = file_get_contents( __DIR__ .'/images/reference.svg' );
$renderer = MathRenderer::getRenderer( "a+b", array(), 'mathml' );
$this->assertTrue( $renderer->render( true ), "Rendering of a+b in plain MathML mode" );
$real = str_replace( "\n", '', $renderer->getHtmlOutput() );
$expected = '<mo>+</mo>';
$this->assertContains( $expected, $real, "Checking the presence of '+' in the MathML output" );
$this->assertEquals(
$svgRef, $renderer->getSvg(), "Comparing the generated SVG with the reference"
);
}
/**
* 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
// @codingStandardsIgnoreStart
$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>';
// @codingStandardsIgnoreEnd
$attribs = array( 'type' => 'pmml' );
$renderer = new MathMathML( $inputSample, $attribs );
$this->assertEquals( 'pmml', $renderer->getInputType(), 'Checking if MathML input is supported' );
$this->assertTrue( $renderer->render(), 'Rendering Presentation MathML sample' );
$real = MathRenderer::renderMath( $inputSample, $attribs, 'mathml' );
$expected = 'hash=5628b8248b79267ecac656102334d5e3&amp;mode=mathml';
$this->assertContains( $expected, $real, 'Checking if the link to SVG image is correct' );
}
/**
* Checks the basic functionality
* i.e. if the span element is generated right.
*/
public function testLaTeXMLIntegration() {
$renderer = MathRenderer::getRenderer( "a+b", array(), 'latexml' );
$this->assertTrue( $renderer->render( true ), "Rendering of a+b in LaTeXML mode" );
// @codingStandardsIgnoreStart
$expected = '<math xmlns="http://www.w3.org/1998/Math/MathML" id="p1.m1" class="ltx_Math" alttext="{\displaystyle a+b}" ><semantics><mrow id="p1.m1.4" xref="p1.m1.4.cmml"><mi id="p1.m1.1" xref="p1.m1.1.cmml">a</mi><mo id="p1.m1.2" xref="p1.m1.2.cmml">+</mo><mi id="p1.m1.3" xref="p1.m1.3.cmml">b</mi></mrow><annotation-xml encoding="MathML-Content"><apply id="p1.m1.4.cmml" xref="p1.m1.4"><plus id="p1.m1.2.cmml" xref="p1.m1.2"/><ci id="p1.m1.1.cmml" xref="p1.m1.1">a</ci><ci id="p1.m1.3.cmml" xref="p1.m1.3">b</ci></apply></annotation-xml><annotation encoding="application/x-tex">{\displaystyle a+b}</annotation></semantics></math>';
// @codingStandardsIgnoreEnd
$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() {
global $wgMathDefaultLaTeXMLSetting;
$tex = '';
$testMax = ceil( $wgMathDefaultLaTeXMLSetting[ 'linelength' ] / 2 );
for ( $i = 0; $i < $testMax; $i++ ) {
$tex .= "$i+";
}
$tex .= $testMax;
$renderer = new MathLaTeXML( $tex, array( 'display' => 'linebreak' ) );
$this->assertTrue( $renderer->render( true ), "Rendering of linebreak test in LaTeXML mode" );
$expected = 'mtr';
$real = preg_replace( "/\n\\s*/", '', $renderer->getHtmlOutput() );
$this->assertContains( $expected, $real, "Checking for linebreak" .
$renderer->getLastError() );
}
private function assertTrue( $expression, $message = '' ) {
if ( $expression ){
$this->getOutput()->addWikiMsgArray( 'math-test-success', $message );
return true;
} else {
$this->getOutput()->addWikiMsgArray( 'math-test-fail', $message );
return false;
}
}
private function assertContains( $expected, $real, $message = '' ) {
if ( ! $this->assertTrue( strpos( $real, $expected ) !== false, $message ) ) {
$this->printDiff( $expected, $real, 'math-test-contains-diff' );
}
}
private function assertEquals( $expected, $real, $message = '' ) {
if ( !$this->assertTrue( $expected === $real, $message ) ) {
$this->printDiff( $expected, $real, 'math-test-equals-diff' );
}
}
private function printDiff( $expected, $real, $message = '' ) {
if ( ExtensionRegistry::getInstance()->isLoaded( "SyntaxHighlight" ) ) {
$expected = "<syntaxhighlight lang=\"xml\">$expected</syntaxhighlight>";
$real = "<syntaxhighlight lang=\"xml\">$real</syntaxhighlight>";
$this->getOutput()->addWikiMsgArray( $message, array( $real, $expected ) );
} else {
LoggerFactory::getInstance( 'Math' )->warning( 'Can not display expected and real value.'.
'SyntaxHighlight is not installed.' );
}
}
protected function getGroupName() {
return 'other';
}
}