def test_check_container_exists(self):
service = SwiftBackupDriver(self.ctxt)
exists = service._check_container_exists('fake_container')
self.assertEquals(exists, True)
exists = service._check_container_exists('missing_container')
self.assertEquals(exists, False)
self.assertRaises(swift.ClientException,
service._check_container_exists,
'unauthorized_container')
