137 lines
3.1 KiB
Go
137 lines
3.1 KiB
Go
/*
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Copyright 2023 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package util
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import (
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"testing"
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"time"
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storagev1 "k8s.io/api/storage/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/client-go/informers"
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"k8s.io/kubernetes/pkg/controller"
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)
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func TestGetDefaultClass(t *testing.T) {
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var (
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t1 = time.Now()
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t2 = time.Now().Add(1 * time.Hour)
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sc1 = &storagev1.StorageClass{
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ObjectMeta: metav1.ObjectMeta{
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Name: "my-storage-class1",
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Annotations: map[string]string{
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"a": "b",
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},
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},
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}
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sc2 = &storagev1.StorageClass{
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ObjectMeta: metav1.ObjectMeta{
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Name: "my-storage-class2",
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Annotations: map[string]string{
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"a": "b",
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},
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},
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}
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sc3 = &storagev1.StorageClass{
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ObjectMeta: metav1.ObjectMeta{
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Name: "my-storage-class3",
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Annotations: map[string]string{
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IsDefaultStorageClassAnnotation: "true",
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},
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CreationTimestamp: metav1.Time{Time: t1},
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},
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}
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sc4 = &storagev1.StorageClass{
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ObjectMeta: metav1.ObjectMeta{
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Name: "my-storage-class4",
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Annotations: map[string]string{
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IsDefaultStorageClassAnnotation: "true",
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},
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CreationTimestamp: metav1.Time{Time: t2},
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},
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}
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sc5 = &storagev1.StorageClass{
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ObjectMeta: metav1.ObjectMeta{
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Name: "my-storage-class5",
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Annotations: map[string]string{
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IsDefaultStorageClassAnnotation: "true",
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},
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CreationTimestamp: metav1.Time{Time: t2},
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},
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}
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)
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testCases := []struct {
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name string
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classes []*storagev1.StorageClass
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expect *storagev1.StorageClass
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}{
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{
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name: "no storage class",
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},
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{
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name: "no default storage class",
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classes: []*storagev1.StorageClass{sc1, sc2},
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expect: nil,
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},
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{
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name: "one default storage class",
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classes: []*storagev1.StorageClass{sc1, sc2, sc3},
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expect: sc3,
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},
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{
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name: "two default storage class with different creation timestamp",
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classes: []*storagev1.StorageClass{sc3, sc4},
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expect: sc4,
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},
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{
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name: "two default storage class with same creation timestamp",
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classes: []*storagev1.StorageClass{sc4, sc5},
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expect: sc4,
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},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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informerFactory := informers.NewSharedInformerFactory(nil, controller.NoResyncPeriodFunc())
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for _, c := range tc.classes {
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informerFactory.Storage().V1().StorageClasses().Informer().GetStore().Add(c)
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}
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lister := informerFactory.Storage().V1().StorageClasses().Lister()
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actual, err := GetDefaultClass(lister)
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if err != nil {
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t.Errorf("Expected no error, got %v", err)
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return
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}
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if tc.expect != actual {
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t.Errorf("Expected %v, got %v", tc.expect, actual)
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}
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})
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}
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}
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