[UT] add ut for pkg/registry/networking/ipaddress

Signed-off-by: tao.yang <tao.yang@daocloud.io>

pkg/registry/networking/ipaddress/strategy_test.go

@@ -15,3 +15,68 @@ limitations under the License.
 */
 
 package ipaddress
+
+import (
+	"testing"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
+	"k8s.io/kubernetes/pkg/apis/networking"
+)
+
+func newIPAddress() networking.IPAddress {
+	return networking.IPAddress{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:            "192.168.1.1",
+			ResourceVersion: "1",
+		},
+		Spec: networking.IPAddressSpec{
+			ParentRef: &networking.ParentReference{
+				Group:     "",
+				Resource:  "services",
+				Name:      "foo",
+				Namespace: "bar",
+			},
+		},
+	}
+}
+
+func TestIPAddressStrategy(t *testing.T) {
+	ctx := genericapirequest.NewDefaultContext()
+	if Strategy.NamespaceScoped() {
+		t.Errorf("ipAddress must not be namespace scoped")
+	}
+	if Strategy.AllowCreateOnUpdate() {
+		t.Errorf("ipAddress should not allow create on update")
+	}
+
+	ipAddress := newIPAddress()
+	Strategy.PrepareForCreate(ctx, &ipAddress)
+
+	errs := Strategy.Validate(ctx, &ipAddress)
+	if len(errs) != 0 {
+		t.Errorf("Unexpected error from validation for ipAddress: %v", errs)
+	}
+
+	newIPAddress := ipAddress.DeepCopy()
+	Strategy.PrepareForUpdate(ctx, newIPAddress, &ipAddress)
+	errs = Strategy.ValidateUpdate(ctx, newIPAddress, &ipAddress)
+	if len(errs) != 0 {
+		t.Errorf("Unexpected error from update validation for ipAddress: %v", errs)
+	}
+
+	invalidIPAddress := newIPAddress.DeepCopy()
+	invalidIPAddress.Name = "invalid/name"
+	invalidIPAddress.ResourceVersion = "4"
+	errs = Strategy.Validate(ctx, invalidIPAddress)
+	if len(errs) == 0 {
+		t.Errorf("Expected error from validation for ipAddress, got none")
+	}
+	errs = Strategy.ValidateUpdate(ctx, invalidIPAddress, &ipAddress)
+	if len(errs) == 0 {
+		t.Errorf("Expected error from update validation for ipAddress, got none")
+	}
+	if invalidIPAddress.ResourceVersion != "4" {
+		t.Errorf("Incoming resource version on update should not be mutated")
+	}
+}