istio API duplication on DeepCopy

vs_test.go

import (
	"testing"

	"k8s.io/apimachinery/pkg/runtime"
	"k8s.io/apimachinery/pkg/runtime/serializer"

	v1alpha3 "istio.io/api/networking/v1alpha3"
	istionetwork "istio.io/api/pkg/kube/apis/networking/v1alpha3"
)

func TestDeepCopyProto(t *testing.T) {
	vs := &v1alpha3.VirtualService{
		Hosts: []string{"details"},
	}

	if len(vs.Hosts) != 1 || vs.Hosts[0] != "details" {
		t.Errorf("failed to read Hosts: %v", vs.Hosts)
	}

	vs = vs.DeepCopy()

	if len(vs.Hosts) != 1 || vs.Hosts[0] != "details" {
		t.Errorf("failed to read Hosts: %v", vs.Hosts)
	}

	vss := &istionetwork.VirtualService{
		Spec: *vs,
	}

	if len(vss.Spec.Hosts) != 1 || vss.Spec.Hosts[0] != "details" {
		t.Errorf("failed to read Hosts: %v", vss.Spec.Hosts)
	}

	vss = vss.DeepCopyObject().(*istionetwork.VirtualService)

	if len(vss.Spec.Hosts) != 1 || vss.Spec.Hosts[0] != "details" {
		t.Errorf("failed to read Hosts: %v", vss.Spec.Hosts)
	}

}