public function testWriteStream()
{
$dir = \OC::$SERVERROOT . '/tests/data';
$this->instance = $this->getNew();
$fh = $this->instance->getStream('lorem.txt', 'w');
$source = fopen($dir . '/lorem.txt', 'r');
\OCP\Files::streamCopy($source, $fh);
fclose($source);
fclose($fh);
$this->assertTrue($this->instance->fileExists('lorem.txt'));
$this->assertEquals(file_get_contents($dir . '/lorem.txt'), $this->instance->getFile('lorem.txt'));
}
