mediawiki-extensions-Math/tests/phpunit/unit/WikiTexVC/Nodes/FQTest.php
Moritz Schubotz (physikerwelt) a512710cf0
Improve operator recognition heuristic
In TeX display math mode \sum_a^b is rendered as
munderover, however \alpha_a^b is redndered as
msubsup.

This changes improves the heuristics to differentiate
between munderover operators such as sum prod and
other macros such as alpha, beta ...

Bug: T352697
Change-Id: I5a993e379791edeb3623171265e5be2651ee1359
2024-01-03 00:17:47 +01:00

69 lines
2.2 KiB
PHP

<?php
namespace MediaWiki\Extension\Math\Tests\WikiTexVC\Nodes;
use ArgumentCountError;
use MediaWiki\Extension\Math\WikiTexVC\MMLnodes\MMLmrow;
use MediaWiki\Extension\Math\WikiTexVC\Nodes\Curly;
use MediaWiki\Extension\Math\WikiTexVC\Nodes\FQ;
use MediaWiki\Extension\Math\WikiTexVC\Nodes\Literal;
use MediaWiki\Extension\Math\WikiTexVC\Nodes\TexArray;
use MediaWikiUnitTestCase;
use TypeError;
/**
* @covers \MediaWiki\Extension\Math\WikiTexVC\Nodes\FQ
*/
class FQTest extends MediaWikiUnitTestCase {
public function testEmptyFQ() {
$this->expectException( ArgumentCountError::class );
new FQ();
throw new ArgumentCountError( 'Should not create an empty fq' );
}
public function testOneArgumentFQ() {
$this->expectException( ArgumentCountError::class );
new FQ( new Literal( 'a' ) );
throw new ArgumentCountError( 'Should not create a fq with one argument' );
}
public function testIncorrectTypeFQ() {
$this->expectException( TypeError::class );
new FQ( 'a', 'b', 'c' );
throw new TypeError( 'Should not create a fq with incorrect type' );
}
public function testBasicFQ() {
$fq = new FQ( new Literal( 'a' ), new Literal( 'b' ), new Literal( 'c' ) );
$this->assertEquals( 'a_{b}^{c}', $fq->render(), 'Should create a basic fq' );
}
public function testGetters() {
$fq = new FQ( new Literal( 'a' ), new Literal( 'b' ), new Literal( 'c' ) );
$this->assertNotEmpty( $fq->getBase() );
$this->assertNotEmpty( $fq->getUp() );
$this->assertNotEmpty( $fq->getDown() );
}
public function testRenderEmptyFq() {
$fq = new FQ( new Curly( new TexArray() ), new Literal( 'b' ), new Literal( 'c' ) );
$this->assertStringContainsString( ( new MMLmrow() )->getEmpty(), $fq->renderMML() );
}
public function testLatin() {
$fq = new FQ( new Literal( 'a' ), new Literal( 'b' ), new Literal( 'c' ) );
$this->assertStringContainsString( 'msubsup', $fq->renderMML() );
}
public function testSum() {
$fq = new FQ( new Literal( '\sum' ), new Literal( 'b' ), new Literal( 'c' ) );
$this->assertStringContainsString( 'munderover', $fq->renderMML() );
}
public function testGreek() {
$fq = new FQ( new Literal( '\\alpha' ), new Literal( 'b' ), new Literal( 'c' ) );
$this->assertStringContainsString( 'msubsup', $fq->renderMML() );
}
}