<?php
/**
 * Copyright (c) 2012 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\Utils;

use OC\Files\Mount\Mount;
use OC\Files\Storage\Temporary;

class TestScanner extends \OC\Files\Utils\Scanner {
	/**
	 * @var \OC\Files\Mount\Mount[] $mounts
	 */
	private $mounts = array();

	/**
	 * @param \OC\Files\Mount\Mount $mount
	 */
	public function addMount($mount) {
		$this->mounts[] = $mount;
	}

	protected function getMounts($dir) {
		return $this->mounts;
	}
}

class Scanner extends \PHPUnit_Framework_TestCase {
	public function testReuseExistingRoot() {
		$storage = new Temporary(array());
		$mount = new Mount($storage, '');
		$cache = $storage->getCache();

		$storage->mkdir('folder');
		$storage->file_put_contents('foo.txt', 'qwerty');
		$storage->file_put_contents('folder/bar.txt', 'qwerty');

		$scanner = new TestScanner('');
		$scanner->addMount($mount);

		$scanner->scan('');
		$this->assertTrue($cache->inCache('folder/bar.txt'));
		$oldRoot = $cache->get('');

		$scanner->scan('');
		$newRoot = $cache->get('');
		$this->assertEquals($oldRoot, $newRoot);
	}

	public function testReuseExistingFile() {
		$storage = new Temporary(array());
		$mount = new Mount($storage, '');
		$cache = $storage->getCache();

		$storage->mkdir('folder');
		$storage->file_put_contents('foo.txt', 'qwerty');
		$storage->file_put_contents('folder/bar.txt', 'qwerty');

		$scanner = new TestScanner('');
		$scanner->addMount($mount);

		$scanner->scan('');
		$this->assertTrue($cache->inCache('folder/bar.txt'));
		$old = $cache->get('folder/bar.txt');

		$scanner->scan('');
		$new = $cache->get('folder/bar.txt');
		$this->assertEquals($old, $new);
	}
}