PhpUnitXml.php

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<?php
 
declare( strict_types = 1 );
 
namespace MediaWiki\Composer\PhpUnitSplitter;
 
use DOMDocument;
use SimpleXMLElement;
 
class PhpUnitXml {
 
    private SimpleXMLElement $xml;
 
    public function __construct( string $phpUnitXmlFile ) {
        $this->xml = new SimpleXMLElement( file_get_contents( $phpUnitXmlFile ) );
    }
 
    public static function isPhpUnitXmlPrepared( string $targetFile ): bool {
        if ( !file_exists( $targetFile ) ) {
            return false;
        }
        $unitFile = new PhpUnitXml( $targetFile );
        return $unitFile->containsSplitGroups();
    }
 
    public function containsSplitGroups(): bool {
        if ( !property_exists( $this->xml, "testsuites" ) ||
            !property_exists( $this->xml->testsuites, "testsuite" ) ) {
            return false;
        }
        foreach ( $this->xml->testsuites->testsuite as $child ) {
            if ( isset( $child->attributes()["name"] ) &&
                str_starts_with( (string)$child->attributes()["name"], "split_group_" ) ) {
                return true;
            }
        }
        return false;
    }
 
    public function addSplitGroups( array $splitGroups ) {
        $groups = count( $splitGroups );
        for ( $i = 0; $i < $groups; $i++ ) {
            $suite = $this->xml->testsuites->addChild( "testsuite" );
            $suite->addAttribute( "name", "split_group_" . $i );
            $group = $splitGroups[$i];
            if ( !empty( $group["list"] ) ) {
                foreach ( $group["list"] as $file ) {
                    $suite->addChild( "file", $file );
                }
            }
        }
    }
 
    private function getSplitGroupSuite( int $groupId ): SimpleXMLElement {
        foreach ( $this->xml->testsuites->testsuite as $child ) {
            if ( isset( $child->attributes()["name"] ) &&
                (string)$child->attributes()["name"] === "split_group_" . $groupId ) {
                return $child;
            }
        }
        throw new SuiteGenerationException( $groupId );
    }
 
    public function saveToDisk( string $targetXml ) {
        $dom = new DOMDocument( '1.0' );
        $dom->preserveWhiteSpace = false;
        $dom->formatOutput = true;
        $dom->loadXML( $this->xml->asXML() );
        file_put_contents( $targetXml, $dom->saveXML() );
    }
 
}