Merge pull request #111533 from zhoumingcheng/master-u-v4

add unit test for /staging/src/k8s.io/kubectl/pkg/util/storage

staging/src/k8s.io/kubectl/pkg/util/storage/storage_test.go

@@ -0,0 +1,166 @@
+/*
+Copyright 2022 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 storage
+
+import (
+	"testing"
+
+	v1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+func TestIsDefaultAnnotationText(t *testing.T) {
+	tests := []struct {
+		name         string
+		obj          metav1.ObjectMeta
+		expectResult string
+	}{
+		{
+			name: "The annotation is not set",
+			obj: metav1.ObjectMeta{
+				Annotations: map[string]string{},
+			},
+			expectResult: "No",
+		},
+		{
+			name: "The annotation is set",
+			obj: metav1.ObjectMeta{
+				Annotations: map[string]string{IsDefaultStorageClassAnnotation: "true"},
+			},
+			expectResult: "Yes",
+		},
+		{
+			name: "The annotation is set",
+			obj: metav1.ObjectMeta{
+				Annotations: map[string]string{BetaIsDefaultStorageClassAnnotation: "true"},
+			},
+			expectResult: "Yes",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := IsDefaultAnnotationText(tt.obj)
+			if got != tt.expectResult {
+				t.Errorf("expected result %v; got %v", tt.expectResult, got)
+			}
+		})
+	}
+}
+
+func TestGetAccessModesAsString(t *testing.T) {
+	tests := []struct {
+		name         string
+		modes        []v1.PersistentVolumeAccessMode
+		expectResult string
+	}{
+		{
+			name: "Contains access mode",
+			modes: []v1.PersistentVolumeAccessMode{
+				v1.ReadWriteOnce,
+				v1.ReadOnlyMany,
+				v1.ReadOnlyMany,
+				v1.ReadWriteMany,
+				v1.ReadWriteOncePod,
+			},
+			expectResult: "RWO,ROX,RWX,RWOP",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := GetAccessModesAsString(tt.modes)
+			if got != tt.expectResult {
+				t.Errorf("expected result %v; got %v", tt.expectResult, got)
+			}
+		})
+	}
+}
+
+func TestGetPersistentVolumeClass(t *testing.T) {
+	tests := []struct {
+		name         string
+		volume       *v1.PersistentVolume
+		expectResult string
+	}{
+		{
+			name: "Get beta storage class annotation",
+			volume: &v1.PersistentVolume{
+				ObjectMeta: metav1.ObjectMeta{
+					Annotations: map[string]string{v1.BetaStorageClassAnnotation: "class"},
+				},
+			},
+			expectResult: "class",
+		},
+		{
+			name: "Get storage class name",
+			volume: &v1.PersistentVolume{
+				Spec: v1.PersistentVolumeSpec{
+					StorageClassName: "class1",
+				},
+			},
+			expectResult: "class1",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := GetPersistentVolumeClass(tt.volume)
+			if got != tt.expectResult {
+				t.Errorf("expected result %v; got %v", tt.expectResult, got)
+			}
+		})
+	}
+}
+
+func TestGetPersistentVolumeClaimClass(t *testing.T) {
+	StorageClassName := "class1"
+	tests := []struct {
+		name         string
+		claim        *v1.PersistentVolumeClaim
+		expectResult string
+	}{
+		{
+			name: "Get beta storage class annotation",
+			claim: &v1.PersistentVolumeClaim{
+				ObjectMeta: metav1.ObjectMeta{
+					Annotations: map[string]string{v1.BetaStorageClassAnnotation: "class"},
+				},
+			},
+			expectResult: "class",
+		},
+		{
+			name: "Get storage class name",
+			claim: &v1.PersistentVolumeClaim{
+				Spec: v1.PersistentVolumeClaimSpec{
+					StorageClassName: &StorageClassName,
+				},
+			},
+			expectResult: StorageClassName,
+		},
+		{
+			name:         "No storage class",
+			claim:        &v1.PersistentVolumeClaim{},
+			expectResult: "",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := GetPersistentVolumeClaimClass(tt.claim)
+			if got != tt.expectResult {
+				t.Errorf("expected result %v; got %v", tt.expectResult, got)
+			}
+		})
+	}
+}