nextcloud-server/tests/lib/Files/Stream/CountReadStreamTest.php

<?php declare(strict_types=1);
/**
 * @copyright Copyright (c) 2018 Robin Appelman <robin@icewind.nl>
 *
 * @license GNU AGPL version 3 or any later version
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

namespace Test\Files\Stream;

use OC\Files\Stream\CountReadStream;
use Test\TestCase;

class CountReadStreamTest extends TestCase {
	private function getStream($data) {
		$handle = fopen('php://temp', 'w+');
		fwrite($handle, $data);
		rewind($handle);
		return $handle;
	}

	public function testBasicCount() {
		$source = $this->getStream('foo');
		$stream = CountReadStream::wrap($source, function ($size) {
			$this->assertEquals(3, $size);
		});
		stream_get_contents($stream);
	}

	public function testLarger() {
		$stream = CountReadStream::wrap(fopen(__DIR__ . '/../../../data/testimage.mp4', 'r'), function ($size) {
			$this->assertEquals(383631, $size);
		});
		stream_get_contents($stream);
	}
}