cephfs: unit test for validateVolumeGroupSnapshotRequest

Added unit test for
validateVolumeGroupSnapshotRequest API which
validates the input VolumeGroupSnapshotRequest
request

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

internal/cephfs/groupcontrollerserver_test.go

@@ -0,0 +1,121 @@
+/*
+Copyright 2024 The Ceph-CSI 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 cephfs
+
+import (
+	"context"
+	"testing"
+
+	csicommon "github.com/ceph/ceph-csi/internal/csi-common"
+
+	"github.com/container-storage-interface/spec/lib/go/csi"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+func TestControllerServer_validateCreateVolumeGroupSnapshotRequest(t *testing.T) {
+	t.Parallel()
+	cs := ControllerServer{
+		DefaultControllerServer: csicommon.NewDefaultControllerServer(
+			csicommon.NewCSIDriver("cephfs.csi.ceph.com", "1.0.0", "test")),
+	}
+
+	type args struct {
+		ctx context.Context
+		req *csi.CreateVolumeGroupSnapshotRequest
+	}
+	tests := []struct {
+		name    string
+		args    args
+		wantErr bool
+		code    codes.Code
+	}{
+		{
+			"valid CreateVolumeGroupSnapshotRequest",
+			args{
+				context.Background(), &csi.CreateVolumeGroupSnapshotRequest{
+					Name:            "vg-snap-1",
+					SourceVolumeIds: []string{"vg-1"},
+					Parameters: map[string]string{
+						"clusterID": "value",
+						"fsName":    "value",
+					},
+				},
+			},
+			false,
+			codes.OK,
+		},
+		{
+			"empty request name in CreateVolumeGroupSnapshotRequest",
+			args{
+				context.Background(), &csi.CreateVolumeGroupSnapshotRequest{
+					SourceVolumeIds: []string{"vg-1"},
+				},
+			},
+			true,
+			codes.InvalidArgument,
+		},
+		{
+			"empty SourceVolumeIds in CreateVolumeGroupSnapshotRequest",
+			args{
+				context.Background(), &csi.CreateVolumeGroupSnapshotRequest{
+					Name:            "vg-snap-1",
+					SourceVolumeIds: []string{"vg-1"},
+				},
+			},
+			true,
+			codes.InvalidArgument,
+		},
+		{
+			"empty clusterID in CreateVolumeGroupSnapshotRequest",
+			args{
+				context.Background(), &csi.CreateVolumeGroupSnapshotRequest{
+					Name:            "vg-snap-1",
+					SourceVolumeIds: []string{"vg-1"},
+					Parameters:      map[string]string{"fsName": "value"},
+				},
+			},
+			true,
+			codes.InvalidArgument,
+		},
+		{
+			"empty fsName in CreateVolumeGroupSnapshotRequest",
+			args{
+				context.Background(), &csi.CreateVolumeGroupSnapshotRequest{
+					Name:            "vg-snap-1",
+					SourceVolumeIds: []string{"vg-1"},
+					Parameters:      map[string]string{"clusterID": "value"},
+				},
+			},
+			true,
+			codes.InvalidArgument,
+		},
+	}
+	for _, tt := range tests {
+		ts := tt
+		t.Run(ts.name, func(t *testing.T) {
+			t.Parallel()
+			err := cs.validateCreateVolumeGroupSnapshotRequest(ts.args.ctx, ts.args.req)
+			if ts.wantErr {
+				c := status.Code(err)
+				if c != ts.code {
+					t.Errorf("ControllerServer.validateVolumeGroupSnapshotRequest() error = %v, want code %v", err, c)
+				}
+			}
+		})
+	}
+}