kahlan\cli\Kahlan::_load PHP Method

    protected function _load()
    {
        return Filter::on($this, 'load', [], function ($chain) {
            $specDirs = $this->commandLine()->get('spec');
            foreach ($specDirs as $dir) {
                if (!file_exists($dir)) {
                    fwrite(STDERR, "ERROR: unexisting `{$dir}` directory, use --spec option to set a valid one (ex: --spec=tests).\n");
                    exit(-1);
                }
            }
            $files = Dir::scan($specDirs, ['include' => $this->commandLine()->get('pattern'), 'exclude' => '*/.*', 'type' => 'file']);
            foreach ($files as $file) {
                require $file;
            }
        });
    }