PhpUnitTestFileScanner.php
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PhpUnitTestFileScanner.php
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	<?php

	declare( strict_types = 1 );

	namespace MediaWiki\Composer\PhpUnitSplitter;

	use RecursiveDirectoryIterator;
	use RecursiveIteratorIterator;

	/**
	* @license GPL-2.0-or-later
	*/
	class PhpUnitTestFileScanner {

	private string $rootDir;

	public function __construct( string $rootDir ) {
	$this->rootDir = $rootDir;
	}

	/**
	* @return array Returns an list of `.php` files found on the filesystem
	* inside `$rootDir`. The array maps file basenames (i.e.
	* `MyClassTest.php`) to lists of paths where that basename
	* is found (e.g. `[ 'tests/phpunit/MyClassTest.php',
	* 'extensions/MyExtension/tests/phpunit/MyClassTest.php' ]`)
	*/
	public function scanForFiles(): array {
	$phpFiles = [];
	$iterator = new RecursiveIteratorIterator(
	new PhpUnitTestFileScannerFilter(
	new RecursiveDirectoryIterator( $this->rootDir )
	)
	);
	foreach ( $iterator as $file ) {
	if ( $file->isFile() && $file->getExtension() === 'php' ) {
	$filename = $file->getFilename();
	if ( !array_key_exists( $filename, $phpFiles ) ) {
	$phpFiles[$filename] = [];
	}
	$phpFiles[$filename][] = $file->getPathname();
	}
	}
	return $phpFiles;
	}
	}