public function testPutFile()
{
$tmpfile = tempnam(sys_get_temp_dir(), 'OSS');
file_put_contents($tmpfile, 'put file');
$this->assertTrue($this->filesystem->putFile('1.txt', $tmpfile));
$this->assertSame('put file', $this->filesystem->read('1.txt'));
unlink($tmpfile);
$this->filesystem->delete('1.txt');
}