def test_fileobject_rename(tmpdir):
path = tmpdir.join('fileobject-rename')
fo = FileObject(str(path))
fo.write('fileobject-rename')
assert fo.path == path
new_path = os.path.join(path.dirname, 'fileobject-rename-new')
fo.rename(new_path)
assert fo.read() == 'fileobject-rename'
