<?php
/**
 * ownCloud - News
 *
 * This file is licensed under the Affero General Public License version 3 or
 * later. See the COPYING file.
 *
 * @author Alessandro Cosentino <cosenal@gmail.com>
 * @author Bernhard Posselt <dev@bernhard-posselt.com>
 * @copyright Alessandro Cosentino 2012
 * @copyright Bernhard Posselt 2012, 2014
 */

namespace OCA\News\ArticleEnhancer;

use \OCA\News\Db\Item;


class AddEnhancer implements ArticleEnhancer {
    public function enhance(Item $item) {
        $body = $item->getBody();
        $item->setBody($body += 1);
        return $item;
    }
}


class EnhancerTest extends \PHPUnit_Framework_TestCase {

    private $enhancer;
    private $articleEnhancer;
    private $articleEnhancer2;

    protected function setUp(){
        $this->enhancer = new Enhancer();
        $this->articleEnhancer = $this->getMockBuilder(
            '\OCA\News\ArticleEnhancer\ArticleEnhancer')
            ->disableOriginalConstructor()
            ->getMock();
        $this->enhancer->registerEnhancer('test.com', $this->articleEnhancer);
    }


    public function testEnhanceSetsCorrectHash(){
        $item = new Item();
        $item->setUrl('hi');
        $urls = [
            'https://test.com',
            'https://www.test.com',
            'https://test.com/',
            'http://test.com',
            'http://test.com/',
            'http://www.test.com'
        ];
        for ($i=0; $i < count($urls); $i++) {
            $this->articleEnhancer->expects($this->at($i))
                ->method('enhance')
                ->with($this->equalTo($item))
                ->will($this->returnValue($item));
        }

        for ($i=0; $i < count($urls); $i++) {
            $url = $urls[$i];
            $result = $this->enhancer->enhance($item, $url);
            $this->assertEquals($item, $result);
        }

    }


    public function testNotMatchShouldJustReturnItem() {
        $item = new Item();
        $item->setUrl('hi');

        $url = 'https://tests.com';
        $this->articleEnhancer->expects($this->never())
                ->method('enhance');

        $result = $this->enhancer->enhance($item, $url);
        $this->assertEquals($item, $result);
    }


    public function testGlobalEnhancer() {
        $this->enhancer->registerGlobalEnhancer(
            new AddEnhancer()
        );

        $this->enhancer->registerGlobalEnhancer(
            new AddEnhancer()
        );

        $item = new Item();
        $item->setBody(1);

        $result = $this->enhancer->enhance($item, 'test');

        $this->assertEquals(3, $result->getBody());
    }

}