StructureTest.php
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StructureTest.php
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	<?php

	use SebastianBergmann\FileIterator\Facade;

	/**
	* The tests here verify the structure of the code. This is for outright bugs,
	* not just style issues.
	* @coversNothing
	*/
	class StructureTest extends \PHPUnit\Framework\TestCase {
	/**
	* Verify all files that appear to be tests have file names ending in
	* Test. If the file names do not end in Test, they will not be run.
	* @group medium
	*/
	public function testUnitTestFileNamesEndWithTest() {
	// realpath() also normalizes directory separator on windows for prefix compares
	$rootPath = realpath( __DIR__ . '/..' );
	$suitesPath = realpath( __DIR__ . '/../suites/' );
	$testClassRegex = '/^(final )?class .* extends [\S]*(TestCase\|TestBase)\\b/m';

	$results = $this->recurseFiles( $rootPath );

	$results = array_filter(
	$results,
	static function ( $filename ) use ( $testClassRegex, $suitesPath ) {
	// Remove testUnitTestFileNamesEndWithTest false positives
	if ( str_starts_with( $filename, $suitesPath ) \|\|
	str_ends_with( $filename, 'Test.php' )
	) {
	return false;
	}
	$contents = file_get_contents( $filename );
	return preg_match( $testClassRegex, $contents );
	}
	);
	$strip = strlen( $rootPath ) + 1;
	foreach ( $results as $k => $v ) {
	$results[$k] = substr( $v, $strip );
	}

	// Normalize indexes to make failure output less confusing
	$results = array_values( $results );

	$this->assertEquals(
	[],
	$results,
	"Unit test file in $rootPath must end with Test."
	);
	}

	private function recurseFiles( $dir ) {
	return ( new Facade() )->getFilesAsArray( $dir, [ '.php' ] );
	}
	}