<?php
  /**
   * Copyright (c) 2014 Robin Appelman <icewind@owncloud.com>
   * This file is licensed under the Affero General Public License version 3 or
   * later.
   * See the COPYING-README file.
   */
  
  namespace Test\Files\Cache;
  
  use OC\Files\Filesystem;
  use OC\Files\Storage\Temporary;
  use OC\Files\View;
  
  class ChangePropagator extends \PHPUnit_Framework_TestCase {
  	/**
  	 * @var \OC\Files\Cache\ChangePropagator
  	 */
  	private $propagator;
  
  	/**
  	 * @var \OC\Files\View
  	 */
  	private $view;
  
  	public function setUp() {
  		$storage = new Temporary(array());
  		$root = '/' . uniqid();
  		Filesystem::mount($storage, array(), $root);
  		$this->view = new View($root);
  		$this->propagator = new \OC\Files\Cache\ChangePropagator($this->view);
  	}
  
  	public function testGetParentsSingle() {
  		$this->propagator->addChange('/foo/bar/asd');
  		$this->assertEquals(array('/', '/foo', '/foo/bar'), $this->propagator->getAllParents());
  	}
  
  	public function testGetParentsMultiple() {
  		$this->propagator->addChange('/foo/bar/asd');
  		$this->propagator->addChange('/foo/qwerty');
  		$this->propagator->addChange('/foo/asd/bar');
  		$this->assertEquals(array('/', '/foo', '/foo/bar', '/foo/asd'), $this->propagator->getAllParents());
  	}
  
  	public function testSinglePropagate() {
  		$this->view->mkdir('/foo');
  		$this->view->mkdir('/foo/bar');
  		$this->view->file_put_contents('/foo/bar/sad.txt', 'qwerty');
  
  		$oldInfo1 = $this->view->getFileInfo('/');
  		$oldInfo2 = $this->view->getFileInfo('/foo');
  		$oldInfo3 = $this->view->getFileInfo('/foo/bar');
  
  		$time = time() + 50;
  
  		$this->propagator->addChange('/foo/bar/sad.txt');
  		$this->propagator->propagateChanges($time);
  
  		$newInfo1 = $this->view->getFileInfo('/');
  		$newInfo2 = $this->view->getFileInfo('/foo');
  		$newInfo3 = $this->view->getFileInfo('/foo/bar');
  
  		$this->assertEquals($newInfo1->getMTime(), $time);
  		$this->assertEquals($newInfo2->getMTime(), $time);
  		$this->assertEquals($newInfo3->getMTime(), $time);
  
  		$this->assertNotSame($oldInfo1->getEtag(), $newInfo1->getEtag());
  		$this->assertNotSame($oldInfo2->getEtag(), $newInfo2->getEtag());
  		$this->assertNotSame($oldInfo3->getEtag(), $newInfo3->getEtag());
  	}
  }