public function testWriter()
{
$config = AssetConfig::buildFromIniFile($this->integrationFile);
$config->theme('Red');
$config->set('js.timestamp', true);
$factory = new Factory($config);
$writer = $factory->writer();
$expected = ['timestamp' => ['js' => true, 'css' => false], 'path' => TMP, 'theme' => 'Red'];
$this->assertEquals($expected, $writer->config());
}