def test_write_bytes(filesystem: FileSystemImpl,
lpaths: Dict[str, AbstractPath]) -> None:
data = bytes('Hello, world!', 'utf-8')
filesystem._write_bytes(lpaths['new_file'], data)
content = filesystem._read_bytes(lpaths['new_file'])
assert content == data
filesystem._unlink(lpaths['new_file'])
def test_read_bytes(filesystem: FileSystemImpl,
lpaths: Dict[str, AbstractPath]) -> None:
content = filesystem._read_bytes(lpaths['file'])
assert content == bytes('Hello World\n', 'utf-8')