public function testPath()
{
$engine = new Engine('foo');
$this->assertEquals('foo', $engine->getAppRoot());
$this->assertEquals('foo/config', $engine->getConfigPath());
$this->assertEquals('foo/modules', $engine->getModulesPath());
$engine->setConfigPath('bar');
$engine->setModulesPath('bar');
$this->assertEquals('bar', $engine->getConfigPath());
$this->assertEquals('bar', $engine->getModulesPath());
}