[11.x] `Application::inferBasePath` returns incorrect path in tests

[calebdw]

Laravel Version

11.37.0

PHP Version

8.4.1

Database Driver & Version

No response

Description

Hello!

We just updated to Laravel 11.x and now our tests (running artisan test) are failing with:

Failed opening required 'phar://<app_path>/vendor/phpstan/phpstan/phpstan.phar/bootstrap/app.php' (include_path='.:/usr/local/lib/php')

which is coming from:

framework/src/Illuminate/Foundation/Testing/TestCase.php

Lines 28 to 35 in 36a4a53

	public function createApplication()
	{
	$app = require Application::inferBasePath().'/bootstrap/app.php';
	$app->make(Kernel::class)->bootstrap();
	return $app;
	}

where Application::inferBasePath is given by:

framework/src/Illuminate/Foundation/Application.php

Lines 253 to 259 in 36a4a53

	public static function inferBasePath()
	{
	return match (true) {
	isset($_ENV['APP_BASE_PATH']) => $_ENV['APP_BASE_PATH'],
	default => dirname(array_keys(ClassLoader::getRegisteredLoaders())[0]),
	};
	}

Our codebase has several custom PHPStan rules for architecture tests and each of these rules have their own PHPUnit test---running feature tests after these tests fails, while feature tests executed before passes. This worked just fine on Laravel 10.x.

I realize that I can specify the APP_BASE_PATH env, but perhaps there's a more robust way of detecting the app path than just grabbing the first autoloader?

This seemed to work in local testing---it filters any paths that are inside the vendor/ directory:

     public static function inferBasePath()
    {
        return match (true) {
            isset($_ENV['APP_BASE_PATH']) => $_ENV['APP_BASE_PATH'],
            default => dirname(array_values(array_filter(
                array_keys(ClassLoader::getRegisteredLoaders()),
                fn ($path) => ! str_contains($path, 'vendor/'),
            ))[0]),
        };
    }

Thanks!

Steps To Reproduce

execute a PHPStan test with a feature test:

php artisan test <PHPStan test> <feature test>