Add unit test to describe pvc (#2020)

operatorapi/volumes_test.go

@@ -0,0 +1,81 @@
+// This file is part of MinIO Console Server
+// Copyright (c) 2021 MinIO, Inc.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package operatorapi
+
+import (
+	"context"
+	"errors"
+	"testing"
+
+	v1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+var (
+	getPVCWithError  = true
+	pvcMockName      = "mockName"
+	pvcMockNamespace = "mockNamespace"
+)
+
+func (c k8sClientMock) getPVC(ctx context.Context, namespace string, pvcName string, opts metav1.GetOptions) (*v1.PersistentVolumeClaim, error) {
+	if getPVCWithError {
+		return nil, errors.New("Mock error during getPVC")
+	}
+	return createMockPVC(pvcMockName, pvcMockNamespace), nil
+}
+
+var testCasesGetPVCDescribe = []struct {
+	name          string
+	errorExpected bool
+}{
+	{
+		name:          "Successful getPVCDescribe",
+		errorExpected: false,
+	},
+	{
+		name:          "Error getPVCDescribe",
+		errorExpected: true,
+	},
+}
+
+func TestGetPVCDescribe(t *testing.T) {
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	kClient := k8sClientMock{}
+	for _, tt := range testCasesGetPVCDescribe {
+		t.Run(tt.name, func(t *testing.T) {
+			getPVCWithError = tt.errorExpected
+			pvc, err := getPVCDescribe(ctx, pvcMockNamespace, pvcMockName, kClient)
+			if err != nil {
+				if tt.errorExpected {
+					return
+				}
+				t.Errorf("getPVCDescribe() error = %v, errorExpected %v", err, tt.errorExpected)
+			}
+			if pvc == nil {
+				t.Errorf("getPVCDescribe() expected type: *v1.PersistentVolumeClaim, got: nil")
+				return
+			}
+			if pvc.Name != pvcMockName {
+				t.Errorf("Expected pvc name %s got %s", pvc.Name, pvcMockName)
+			}
+			if pvc.Namespace != pvcMockNamespace {
+				t.Errorf("Expected pvc namespace %s got %s", pvc.Namespace, pvcMockNamespace)
+			}
+		})
+	}
+}