kubernetes/pkg/registry/networking/ingressclass/strategy_test.go

358 lines
11 KiB
Go

/*
Copyright 2020 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package ingressclass
import (
"testing"
apiequality "k8s.io/apimachinery/pkg/api/equality"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
utilfeature "k8s.io/apiserver/pkg/util/feature"
featuregatetesting "k8s.io/component-base/featuregate/testing"
"k8s.io/kubernetes/pkg/apis/networking"
"k8s.io/kubernetes/pkg/features"
utilpointer "k8s.io/utils/pointer"
)
func TestIngressClassStrategy(t *testing.T) {
ctx := genericapirequest.NewDefaultContext()
if Strategy.NamespaceScoped() {
t.Errorf("IngressClass must not be namespace scoped")
}
if Strategy.AllowCreateOnUpdate() {
t.Errorf("IngressClass should not allow create on update")
}
ingressClass := networking.IngressClass{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
ResourceVersion: "1",
},
Spec: networking.IngressClassSpec{
Controller: "example.com/controller",
},
}
Strategy.PrepareForCreate(ctx, &ingressClass)
if ingressClass.Generation != 1 {
t.Error("IngressClass generation should be 1")
}
errs := Strategy.Validate(ctx, &ingressClass)
if len(errs) != 0 {
t.Errorf("Unexpected error from validation for IngressClass: %v", errs)
}
newIngressClass := ingressClass.DeepCopy()
Strategy.PrepareForUpdate(ctx, newIngressClass, &ingressClass)
errs = Strategy.ValidateUpdate(ctx, newIngressClass, &ingressClass)
if len(errs) != 0 {
t.Errorf("Unexpected error from update validation for IngressClass: %v", errs)
}
ingressClass.Name = "invalid/name"
errs = Strategy.Validate(ctx, &ingressClass)
if len(errs) == 0 {
t.Errorf("Expected error from validation for IngressClass, got none")
}
errs = Strategy.ValidateUpdate(ctx, &ingressClass, &ingressClass)
if len(errs) == 0 {
t.Errorf("Expected error from update validation for IngressClass, got none")
}
}
func TestIngressClassPrepareForCreate(t *testing.T) {
tests := []struct {
name string
original *networking.IngressClass
expected *networking.IngressClass
enableNamespaceScopedParamsGate bool
}{
{
name: "cluster scope is removed when feature is not enabled",
original: &networking.IngressClass{
Spec: networking.IngressClassSpec{
Controller: "controller",
Parameters: &networking.IngressClassParametersReference{
Kind: "k",
Name: "n",
Scope: utilpointer.StringPtr(networking.IngressClassParametersReferenceScopeCluster),
},
},
},
expected: &networking.IngressClass{
Spec: networking.IngressClassSpec{
Controller: "controller",
Parameters: &networking.IngressClassParametersReference{
Kind: "k",
Name: "n",
},
},
},
enableNamespaceScopedParamsGate: false,
},
{
name: "namespace scope and namespace fields are removed when feature is not enabled",
original: &networking.IngressClass{
Spec: networking.IngressClassSpec{
Controller: "controller",
Parameters: &networking.IngressClassParametersReference{
Kind: "k",
Name: "n",
Scope: utilpointer.StringPtr(networking.IngressClassParametersReferenceScopeNamespace),
Namespace: utilpointer.StringPtr("foo-ns"),
},
},
},
expected: &networking.IngressClass{
Spec: networking.IngressClassSpec{
Controller: "controller",
Parameters: &networking.IngressClassParametersReference{
Kind: "k",
Name: "n",
},
},
},
enableNamespaceScopedParamsGate: false,
},
{
name: "cluster scope is not removed when feature is enabled",
original: &networking.IngressClass{
Spec: networking.IngressClassSpec{
Controller: "controller",
Parameters: &networking.IngressClassParametersReference{
Kind: "k",
Name: "n",
Scope: utilpointer.StringPtr(networking.IngressClassParametersReferenceScopeCluster),
},
},
},
expected: &networking.IngressClass{
Spec: networking.IngressClassSpec{
Controller: "controller",
Parameters: &networking.IngressClassParametersReference{
Kind: "k",
Name: "n",
Scope: utilpointer.StringPtr(networking.IngressClassParametersReferenceScopeCluster),
},
},
},
enableNamespaceScopedParamsGate: true,
},
{
name: "namespace scope and namespace fields are not removed when feature is enabled",
original: &networking.IngressClass{
Spec: networking.IngressClassSpec{
Controller: "controller",
Parameters: &networking.IngressClassParametersReference{
Kind: "k",
Name: "n",
Scope: utilpointer.StringPtr(networking.IngressClassParametersReferenceScopeNamespace),
Namespace: utilpointer.StringPtr("foo-ns"),
},
},
},
expected: &networking.IngressClass{
Spec: networking.IngressClassSpec{
Controller: "controller",
Parameters: &networking.IngressClassParametersReference{
Kind: "k",
Name: "n",
Scope: utilpointer.StringPtr(networking.IngressClassParametersReferenceScopeNamespace),
Namespace: utilpointer.StringPtr("foo-ns"),
},
},
},
enableNamespaceScopedParamsGate: true,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
original := test.original
expected := test.expected
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.IngressClassNamespacedParams, test.enableNamespaceScopedParamsGate)()
ctx := genericapirequest.NewDefaultContext()
Strategy.PrepareForCreate(ctx, runtime.Object(original))
if !apiequality.Semantic.DeepEqual(original.Spec, expected.Spec) {
t.Errorf("got different than expected\ngot:\n\t%+v\nexpected:\n\t%+v", original.Spec, expected.Spec)
}
})
}
}
func TestIngressClassPrepareForUpdate(t *testing.T) {
tests := []struct {
name string
newIngressClass *networking.IngressClass
oldIngressClass *networking.IngressClass
expected *networking.IngressClass
enableNamespaceScopedParamsGate bool
}{
{
name: "scope can be updated if already set when feature is disabled",
newIngressClass: &networking.IngressClass{
Spec: networking.IngressClassSpec{
Controller: "controller",
Parameters: &networking.IngressClassParametersReference{
Kind: "k",
Name: "n",
Scope: utilpointer.StringPtr(networking.IngressClassParametersReferenceScopeNamespace),
Namespace: utilpointer.StringPtr("foo-ns"),
},
},
},
oldIngressClass: &networking.IngressClass{
Spec: networking.IngressClassSpec{
Controller: "controller",
Parameters: &networking.IngressClassParametersReference{
Kind: "k",
Name: "n",
Scope: utilpointer.StringPtr(networking.IngressClassParametersReferenceScopeCluster),
},
},
},
expected: &networking.IngressClass{
Spec: networking.IngressClassSpec{
Controller: "controller",
Parameters: &networking.IngressClassParametersReference{
Kind: "k",
Name: "n",
Scope: utilpointer.StringPtr(networking.IngressClassParametersReferenceScopeNamespace),
Namespace: utilpointer.StringPtr("foo-ns"),
},
},
},
enableNamespaceScopedParamsGate: false,
},
{
name: "scope is removed if not already set previously when feature is disabled",
newIngressClass: &networking.IngressClass{
Spec: networking.IngressClassSpec{
Controller: "controller",
Parameters: &networking.IngressClassParametersReference{
Kind: "k",
Name: "n",
Scope: utilpointer.StringPtr(networking.IngressClassParametersReferenceScopeNamespace),
Namespace: utilpointer.StringPtr("foo-ns"),
},
},
},
oldIngressClass: &networking.IngressClass{
Spec: networking.IngressClassSpec{
Controller: "controller",
Parameters: &networking.IngressClassParametersReference{
Kind: "k",
Name: "n",
},
},
},
expected: &networking.IngressClass{
Spec: networking.IngressClassSpec{
Controller: "controller",
Parameters: &networking.IngressClassParametersReference{
Kind: "k",
Name: "n",
},
},
},
enableNamespaceScopedParamsGate: false,
},
{
name: "scope can be set when feature is enabled",
newIngressClass: &networking.IngressClass{
Spec: networking.IngressClassSpec{
Controller: "controller",
Parameters: &networking.IngressClassParametersReference{
Kind: "k",
Name: "n",
Scope: utilpointer.StringPtr(networking.IngressClassParametersReferenceScopeNamespace),
Namespace: utilpointer.StringPtr("foo-ns"),
},
},
},
oldIngressClass: &networking.IngressClass{
Spec: networking.IngressClassSpec{
Controller: "controller",
Parameters: &networking.IngressClassParametersReference{
Kind: "k",
Name: "n",
},
},
},
expected: &networking.IngressClass{
Spec: networking.IngressClassSpec{
Controller: "controller",
Parameters: &networking.IngressClassParametersReference{
Kind: "k",
Name: "n",
Scope: utilpointer.StringPtr(networking.IngressClassParametersReferenceScopeNamespace),
Namespace: utilpointer.StringPtr("foo-ns"),
},
},
},
enableNamespaceScopedParamsGate: true,
},
{
name: "scope can be removed when feature is enabled",
newIngressClass: &networking.IngressClass{
Spec: networking.IngressClassSpec{
Controller: "controller",
Parameters: &networking.IngressClassParametersReference{
Kind: "k",
Name: "n",
},
},
},
oldIngressClass: &networking.IngressClass{
Spec: networking.IngressClassSpec{
Controller: "controller",
Parameters: &networking.IngressClassParametersReference{
Kind: "k",
Name: "n",
Scope: utilpointer.StringPtr(networking.IngressClassParametersReferenceScopeNamespace),
Namespace: utilpointer.StringPtr("foo-ns"),
},
},
},
expected: &networking.IngressClass{
Spec: networking.IngressClassSpec{
Controller: "controller",
Parameters: &networking.IngressClassParametersReference{
Kind: "k",
Name: "n",
},
},
},
enableNamespaceScopedParamsGate: true,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.IngressClassNamespacedParams, test.enableNamespaceScopedParamsGate)()
ctx := genericapirequest.NewDefaultContext()
Strategy.PrepareForUpdate(ctx, runtime.Object(test.newIngressClass), runtime.Object(test.oldIngressClass))
if !apiequality.Semantic.DeepEqual(test.newIngressClass.Spec, test.expected.Spec) {
t.Errorf("got different than expected\ngot:\n\t%+v\nexpected:\n\t%+v", test.newIngressClass.Spec, test.expected.Spec)
}
})
}
}