mediawiki-extensions-Discus.../tests/phpunit/unit/CommentUtilsTest.php

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<?php
namespace MediaWiki\Extension\DiscussionTools\Tests\Unit;
use MediaWiki\Extension\DiscussionTools\CommentUtils;
use MediaWiki\Extension\DiscussionTools\Tests\TestUtils;
use MediaWikiUnitTestCase;
use Wikimedia\Parsoid\Utils\DOMCompat;
/**
* @coversDefaultClass \MediaWiki\Extension\DiscussionTools\CommentUtils
*
* @group DiscussionTools
*/
class CommentUtilsTest extends MediaWikiUnitTestCase {
use TestUtils;
/**
* @dataProvider provideLinearWalk
* @covers ::linearWalk
*/
public function testLinearWalk( string $name, string $htmlPath, string $expectedPath ) {
$html = static::getHtml( $htmlPath );
// Slightly awkward to get the same output as in the JS version
$fragment = ( DOMCompat::newDocument( true ) )->createDocumentFragment();
$fragment->appendXML( trim( $html ) );
$expected = static::getJson( $expectedPath );
$actual = [];
CommentUtils::linearWalk( $fragment, static function ( $event, $node ) use ( &$actual ) {
$actual[] = "$event {$node->nodeName}({$node->nodeType})";
} );
$actualBackwards = [];
CommentUtils::linearWalkBackwards( $fragment, static function ( $event, $node ) use ( &$actualBackwards ) {
$actualBackwards[] = "$event {$node->nodeName}({$node->nodeType})";
} );
// Optionally write updated content to the JSON files
if ( getenv( 'DISCUSSIONTOOLS_OVERWRITE_TESTS' ) ) {
static::overwriteJsonFile( $expectedPath, $actual );
}
static::assertEquals( $expected, $actual, $name );
$expectedBackwards = array_map( static function ( $a ) {
return ( substr( $a, 0, 5 ) === 'enter' ? 'leave' : 'enter' ) . substr( $a, 5 );
}, array_reverse( $expected ) );
static::assertEquals( $expectedBackwards, $actualBackwards, $name . ' (backwards)' );
}
public function provideLinearWalk(): array {
return static::getJson( '../cases/linearWalk.json' );
}
}