mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Math
synced 2024-12-01 02:36:47 +00:00
972cee0f98
Currently the PNG and the LaTeXML rendering mode use a common table in the database. If both rendering modes are allowed in a wiki simultaneously this causes problems, because the fields are continuously overwritten. This change creates the new database table defined in step 1. Bug: 65522 Change-Id: I5f125d36b83776ca6f75ff014dc9095d0a737a35
90 lines
3 KiB
PHP
90 lines
3 KiB
PHP
<?php
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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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* @group Math
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* @group Database //Used by needsDB
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*/
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class MathDatabaseTest extends MediaWikiTestCase {
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var $renderer;
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const SOME_TEX = "a+b";
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const SOME_HTML = "a<sub>b</sub> and so on";
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const SOME_MATHML = "iℏ∂_tΨ=H^Ψ<mrow><\ci>";
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const SOME_CONSERVATIVENESS = 2;
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const SOME_OUTPUTHASH = 'C65c884f742c8591808a121a828bc09f8<';
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const NUM_BASIC_FIELDS = 5;
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/**
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* creates a new database connection and a new math renderer
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* TODO: Check if there is a way to get database access without creating
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* the connection to the database explicitly
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* function addDBData() {
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* $this->tablesUsed[] = 'math';
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* }
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* was not sufficient.
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*/
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protected function setup() {
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parent::setUp();
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// TODO: figure out why this is necessary
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$this->db = wfGetDB( DB_MASTER );
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// Create a new instance of MathSource
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$this->renderer = new MathTexvc( self::SOME_TEX );
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$this->tablesUsed[] = 'math';
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self::setupTestDB( $this->db, "mathtest" );
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}
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/**
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* Checks the tex and hash functions
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* @covers MathRenderer::getInputHash()
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*/
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public function testInputHash() {
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$expectedhash = $this->db->encodeBlob( pack( "H32", md5( self::SOME_TEX ) ) );
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$this->assertEquals( $expectedhash, $this->renderer->getInputHash() );
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}
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/**
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* Helper function to set the current state of the sample renderer instance to the test values
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*/
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public function setValues() {
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// set some values
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$this->renderer->setTex( self::SOME_TEX );
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$this->renderer->setMathml( self::SOME_MATHML );
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$this->renderer->setHtml( self::SOME_HTML );
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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 MathRenderer::writeDatabaseEntry()
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* @covers MathRenderer::readDatabaseEntry()
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*/
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public function testDBBasics() {
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$this->setValues();
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$this->renderer->writeToDatabase( $this->db );
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$renderer2 = new MathTexvc( self::SOME_TEX );
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$this->assertTrue( $renderer2->readFromDatabase(), 'Reading from database failed' );
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// comparing the class object does now work due to null values etc.
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$this->assertEquals( $this->renderer->getTex(), $renderer2->getTex(), "test if tex is the same" );
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$this->assertEquals( $this->renderer->getMathml(), $renderer2->getMathml(), "Check MathML encoding" );
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$this->assertEquals( $this->renderer->getHtml(), $renderer2->getHtml(), 'test if HTML is the same' );
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}
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/**
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* Checks the creation of the math table without debugging enabled.
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* @covers MathHooks::onLoadExtensionSchemaUpdates
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*/
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public function testCreateTable() {
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$this->setMwGlobals( 'wgMathValidModes', array( MW_MATH_PNG ) );
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$this->db->dropTable( "math", __METHOD__ );
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$dbu = DatabaseUpdater::newForDB( $this->db );
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$dbu->doUpdates( array( "extensions" ) );
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$this->expectOutputRegex( '/(.*)Creating math table(.*)/' );
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$this->setValues();
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$this->renderer->writeToDatabase();
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$res = $this->db->select( "math", "*" );
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$row = $res->fetchRow();
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$this->assertEquals( count( $row ), 2 * self::NUM_BASIC_FIELDS );
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}
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}
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