+ def test_version_argument(self):
+ orig, sys.stderr = sys.stderr, io.BytesIO()
+ with self.assertRaises(SystemExit):
+ args = arvados_fuse.command.ArgumentParser().parse_args(['--version'])
+ self.assertRegexpMatches(sys.stderr.getvalue(), "[0-9]+\.[0-9]+\.[0-9]+")
+ sys.stderr = orig
+