node *v1.Node
		fake fakeAPIs
	}{
		{
			desc: "delete",
			mode: SyncFromCluster,
			node: nodeWithCIDRRange,
		},
		{
			desc: "delete without CIDR range",
			mode: SyncFromCluster,
			node: nodeWithoutCIDRRange,
		},
		{
			desc: "delete with invalid CIDR range",
			mode: SyncFromCluster,
			node: &v1.Node{
				ObjectMeta: metav1.ObjectMeta{Name: "node1"},

	SyncFromCloud NodeSyncMode = "SyncFromCloud"
	// SyncFromCluster is the mode that synchronizes the IP allocation determined
	// by the k8s controller to the cloud provider.
	SyncFromCluster NodeSyncMode = "SyncFromCluster"
)

// IsValidMode returns true if the given mode is valid.
func IsValidMode(m NodeSyncMode) bool {
	switch m {
	case SyncFromCloud:
	case SyncFromCluster:
	default:
		return false
	}
	return true
}