145 lines
4.0 KiB
Go
145 lines
4.0 KiB
Go
/*
|
|
Copyright 2023 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 systemnamespaces
|
|
|
|
import (
|
|
"testing"
|
|
|
|
v1 "k8s.io/api/core/v1"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/labels"
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
"k8s.io/client-go/informers"
|
|
"k8s.io/client-go/kubernetes/fake"
|
|
k8stesting "k8s.io/client-go/testing"
|
|
"k8s.io/gengo/examples/set-gen/sets"
|
|
)
|
|
|
|
// Test_Controller validates the garbage collection logic for the apiserverleasegc controller.
|
|
func Test_Controller(t *testing.T) {
|
|
systemNamespaces := []string{metav1.NamespaceSystem, metav1.NamespacePublic, v1.NamespaceNodeLease}
|
|
|
|
tests := []struct {
|
|
name string
|
|
namespaces []string
|
|
actions [][]string // verb and resource
|
|
}{
|
|
{
|
|
name: "no system namespaces",
|
|
actions: [][]string{
|
|
{"create", "namespaces"},
|
|
{"create", "namespaces"},
|
|
{"create", "namespaces"},
|
|
},
|
|
},
|
|
{
|
|
name: "no system namespaces but others",
|
|
namespaces: []string{"foo", "bar"},
|
|
actions: [][]string{
|
|
{"create", "namespaces"},
|
|
{"create", "namespaces"},
|
|
{"create", "namespaces"},
|
|
},
|
|
},
|
|
{
|
|
name: "one system namespace",
|
|
namespaces: []string{metav1.NamespaceSystem},
|
|
actions: [][]string{
|
|
{"create", "namespaces"},
|
|
{"create", "namespaces"},
|
|
},
|
|
},
|
|
{
|
|
name: "two system namespaces",
|
|
namespaces: []string{metav1.NamespaceSystem, metav1.NamespacePublic},
|
|
actions: [][]string{
|
|
{"create", "namespaces"},
|
|
},
|
|
},
|
|
|
|
{
|
|
name: "the three namespaces",
|
|
namespaces: []string{metav1.NamespaceSystem, metav1.NamespacePublic, v1.NamespaceNodeLease},
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
t.Run(test.name, func(t *testing.T) {
|
|
objs := []runtime.Object{}
|
|
for _, ns := range test.namespaces {
|
|
objs = append(objs,
|
|
&v1.Namespace{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: ns,
|
|
Namespace: "",
|
|
},
|
|
},
|
|
)
|
|
}
|
|
clientset := fake.NewSimpleClientset(objs...)
|
|
informerFactory := informers.NewSharedInformerFactory(clientset, 0)
|
|
namespaceInformer := informerFactory.Core().V1().Namespaces()
|
|
for _, obj := range objs {
|
|
namespaceInformer.Informer().GetIndexer().Add(obj)
|
|
}
|
|
|
|
controller := NewController(clientset, namespaceInformer)
|
|
|
|
clientset.PrependReactor("create", "namespaces", func(action k8stesting.Action) (bool, runtime.Object, error) {
|
|
create := action.(k8stesting.CreateAction)
|
|
namespaceInformer.Informer().GetIndexer().Add(create.GetObject())
|
|
return true, create.GetObject(), nil
|
|
})
|
|
|
|
controller.sync()
|
|
|
|
expectAction(t, clientset.Actions(), test.actions)
|
|
namespaces, err := controller.namespaceLister.List(labels.Everything())
|
|
if err != nil {
|
|
t.Errorf("unexpected error: %v", err)
|
|
}
|
|
|
|
got := sets.NewString()
|
|
for _, ns := range namespaces {
|
|
got.Insert(ns.Name)
|
|
}
|
|
|
|
if !got.HasAll(systemNamespaces...) {
|
|
t.Errorf("unexpected namespaces: %v", got.List())
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func expectAction(t *testing.T, actions []k8stesting.Action, expected [][]string) {
|
|
t.Helper()
|
|
if len(actions) != len(expected) {
|
|
t.Fatalf("Expected at least %d actions, got %d", len(expected), len(actions))
|
|
}
|
|
|
|
for i, action := range actions {
|
|
verb := expected[i][0]
|
|
if action.GetVerb() != verb {
|
|
t.Errorf("Expected action %d verb to be %s, got %s", i, verb, action.GetVerb())
|
|
}
|
|
resource := expected[i][1]
|
|
if action.GetResource().Resource != resource {
|
|
t.Errorf("Expected action %d resource to be %s, got %s", i, resource, action.GetResource().Resource)
|
|
}
|
|
}
|
|
}
|