/**
* Test attaching listener.
*
* @return void
*/
public function testAttach()
{
$listener = new InjectConditionalFilterListener(self::$emptySearchConfig);
$mock = $this->getMock('Zend\\EventManager\\SharedEventManagerInterface');
$mock->expects($this->once())->method('attach')->with($this->equalTo('VuFind\\Search'), $this->equalTo('pre'), $this->equalTo([$listener, 'onSearchPre']));
$listener->attach($mock);
}
