public function testWrite()
{
$this->root->addChild(new vfsStreamDirectory('copy'));
$dir = $this->root->getChild('copy');
$file = vfsStream::newFile('copy.txt')->withContent('copy')->at($dir);
$this->files->write($file->url(), 'copy new');
$this->assertSame('copy new', $this->files->read($file->url()));
$this->files->write($file->url(), 'copy new visibility', ['visibility' => 'private']);
$this->assertSame('copy new visibility', $this->files->read($file->url()));
$this->assertSame('private', $this->files->getVisibility($file->url()));
}
