psalm/tests/TestConfig.php

<?php
namespace Psalm\Tests;

use Psalm\Config;

class TestConfig extends Config
{
    /**
     * @psalm-suppress PossiblyNullPropertyAssignmentValue because cache_directory isn't strictly nullable
     */
    public function __construct()
    {
        parent::__construct();

        $this->throw_exception = true;
        $this->use_docblock_types = true;
        $this->totally_typed = true;
        $this->cache_directory = null;

        $this->base_dir = getcwd() . DIRECTORY_SEPARATOR;

        $this->project_files = Config\ProjectFileFilter::loadFromXMLElement(
            new \SimpleXMLElement(
                '<?xml version="1.0"?>
                <projectFiles>
                    <directory name="src" />
                    <ignoreFiles>
                        <directory name="src/Psalm/Internal/Stubs" />
                    </ignoreFiles>
                </projectFiles>'
            ),
            $this->base_dir,
            true
        );

        $this->collectPredefinedConstants();
        $this->collectPredefinedFunctions();
    }

    public function getComposerFilePathForClassLike($fq_classlike_name)
    {
        return false;
    }
}