clusterCfg.ComponentConfigs[handler.GroupVersion.Group] = componentCfg
		}
	}

	return nil
}

// GetVersionStates returns a slice of ComponentConfigVersionState structs
// describing all supported component config groups that were identified on the cluster
func GetVersionStates(clusterCfg *kubeadmapi.ClusterConfiguration, client clientset.Interface) ([]outputapiv1alpha3.ComponentConfigVersionState, error) {

	}

	// Fetch the current state of the component configs
	klog.V(1).Infoln("[upgrade/plan] analysing component config version states")
	configVersionStates, err := componentconfigs.GetVersionStates(&initCfg.ClusterConfiguration, client)
	if err != nil {
		return errors.WithMessage(err, "[upgrade/versions] FATAL")
	}

	// No upgrades available
	if len(availUpgrades) == 0 {

			},
		}

		for _, test := range cases {
			t.Run(test.desc, func(t *testing.T) {
				client := clientsetfake.NewSimpleClientset(test.obj)

				clusterCfg := testClusterCfg()

				got, err := GetVersionStates(clusterCfg, client)
				if err != nil && !test.expectedErr {
					t.Errorf("unexpected error: %v", err)
				}
				if err == nil {
					if test.expectedErr {