mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Math
synced 2024-12-18 10:30:51 +00:00
80 lines
2.4 KiB
PHP
80 lines
2.4 KiB
PHP
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<?php
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use MediaWiki\Extension\Math\MathMathML;
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use MediaWiki\Extension\Math\MathRenderer;
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/**
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* Test the database access and core functionality of MathRenderer.
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*
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* @covers \MediaWiki\Extension\Math\MathRenderer
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*
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* @group Math
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*
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* @license GPL-2.0-or-later
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*/
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class MathCacheTest extends MediaWikiIntegrationTestCase {
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/**
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* @var MathRenderer
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*/
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private $renderer;
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private const SOME_TEX = "a+b";
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private const SOME_MATHML = "iℏ∂_tΨ=H^Ψ<mrow><\ci>";
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protected function setUp(): void {
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parent::setUp();
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$this->renderer = new MathMathML( self::SOME_TEX );
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}
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/**
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* Checks the tex and hash functions
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* @covers \MediaWiki\Extension\Math\MathRenderer::getInputHash
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*/
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public function testInputHash() {
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$this->assertEquals( 'beb7506b16f7c36aa0f9c8c9ef41b40b', $this->renderer->getInputHash() );
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}
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/**
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* Helper function to set the current state of the sample renderer instance to the test values
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*/
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public function setValues() {
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// set some values
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$this->renderer->setTex( self::SOME_TEX );
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$this->renderer->setMathml( self::SOME_MATHML );
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}
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/**
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* Checks database access. Writes an entry and reads it back.
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* @covers \MediaWiki\Extension\Math\MathRenderer::writeToCache
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* @covers \MediaWiki\Extension\Math\MathRenderer::readFromCache
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*/
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public function testDBBasics() {
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$this->setValues();
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$this->renderer->writeToCache();
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$renderer2 = new MathMathML( self::SOME_TEX, [ 'display' => '' ] );
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$this->assertTrue( $renderer2->readFromCache(), 'Reading from database failed' );
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// comparing the class object does now work due to null values etc.
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$this->assertEquals(
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$this->renderer->getTex(), $renderer2->getTex(), "test if tex is the same"
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);
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$this->assertEquals(
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$this->renderer->getMathml(), $renderer2->getMathml(), "Check MathML encoding"
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);
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$this->assertEquals(
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$this->renderer->getHtmlOutput(), $renderer2->getHtmlOutput(), 'test if HTML is the same'
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);
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}
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/**
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* This test checks if no additional write operation
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* is performed, if the entry already existed in the database.
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*/
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public function testNoWrite() {
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$this->setValues();
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$inputHash = $this->renderer->getInputHash();
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$this->assertTrue( $this->renderer->isChanged() );
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$this->assertTrue( $this->renderer->writeCache(), "Write new entry" );
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$this->assertTrue( $this->renderer->readFromCache(), "Read entry from database" );
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$this->assertFalse( $this->renderer->isChanged() );
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}
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}
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