<?php
/**
 * @group Library
 */
class App_QuizHandlerTest extends PHPUnit_Framework_TestCase
{
	/**
	 * @var App_QuizHandler
	 */
	protected $_quiz = null;

	public function setUp()
	{
		parent::setUp();
		$this->_quiz = new App_QuizHandler();		
	}

	public function testStore()
	{
		$store = new Zend_Session_Namespace(__CLASS__);
		$this->_quiz->setStore($store);

		$this->assertSame($store, $this->_quiz->getStore());
	}

	public function testQuestioner()
	{
		$questioner = new App_Questioner();
		$this->_quiz->setQuestioner($questioner);
		
		$this->assertSame($questioner, $this->_quiz->getQuestioner());
	}

	public function testGettingBestAnswer()
	{
		$q = $this->getMock('App_Questioner', array('getBestAnswer'));
		$q->expects($this->once())
		  ->method('getBestAnswer')
		  ->will($this->returnValue('answer'));

		$this->_quiz->setQuestioner($q);

		$this->assertEquals('answer', $this->_quiz->getBestAnswer());
	}

	public function testGettingQuestionCount()
	{
		$this->_quiz->getTotalQuestionsAsked();
	}

	public function testGetsNewQuestionAfterAnswer()
	{
		$store = new Zend_Session_Namespace(__FUNCTION__);
		$this->_quiz->setStore($store);

		//Shouldn't access dao's directly, but use getRandomQuestion
		$mockFactory = $this->getMock('App_DaoFactory');
		$mockFactory->expects($this->never())
		            ->method('getQuestionDao');

		App_DaoFactory::setFactory($mockFactory);

		$returnQuestion = new Quiz_Question();
		$otherReturnQuestion = new Quiz_Question();

		$q = $this->getMock('App_Questioner');
		$q->expects($this->exactly(2))
		  ->method('getRandomQuestion')
		  ->will($this->onConsecutiveCalls($returnQuestion, $otherReturnQuestion));
		  
		$this->_quiz->setQuestioner($q);

		$question = $this->_quiz->getAQuestion();
		$this->_quiz->answerCurrentQuestion(QuestionAnswer::CHOICE_DONTKNOW);
		$otherQuestion = $this->_quiz->getAQuestion();

		$this->assertNotSame($question, $otherQuestion);
	}

	public function testReturnsNullIfNoQuestionFound()
	{
		$store = new Zend_Session_Namespace(__FUNCTION__);
		$this->_quiz->setStore($store);

		$q = $this->getMock('App_Questioner');
		$q->expects($this->once())
		  ->method('getRandomQuestion')
		  ->will($this->returnValue(null));

		$this->_quiz->setQuestioner($q);
		$question = $this->_quiz->getAQuestion();
		$this->assertNull($question);
	}
}