imageStates[name] = state
				} else {
					state.Nodes.Insert(item.Name)
				}
			}
		}
	}
	return imageStates
}

// TestNodeOperators tests node operations of cache, including add, update
// and remove.
func TestNodeOperators(t *testing.T) {
	// Test data
	cpuHalf := resource.MustParse("500m")
	mem50m := resource.MustParse("50m")
	resourceList1 := map[v1.ResourceName]string{