Update UT coverage for snapshot.go

snapshots_test.go

@@ -425,3 +425,61 @@ func TestCreateSnapshotWithPath(t *testing.T) {
 	_, err := client.CreateSnapshotWithPath(context.Background(), path, snapshotName)
 	assert.Nil(t, err)
 }
+
+func TestGetSnapshotFolderSize(t *testing.T) {
+	client := &Client{
+		API: new(mocks.Client),
+	}
+
+	ctx := context.Background()
+	var isiPath, accessZone, name string
+
+	// Mock GetSnapshot to return a snapshot from GetIsiSnapshotsResp
+	client.API.(*mocks.Client).On("Get", mock.Anything, mock.Anything, mock.Anything, mock.Anything, mock.Anything, mock.Anything).
+		Return(nil).Run(func(args mock.Arguments) {
+		resp := args.Get(5).(**apiv1.GetIsiSnapshotsResp)
+		*resp = &apiv1.GetIsiSnapshotsResp{
+			SnapshotList: []*apiv1.IsiSnapshot{
+				{
+					ID:   1,
+					Name: "test_snapshot",
+					Path: "/path/to/snapshot",
+				},
+			},
+			Total:  1,
+			Resume: "",
+		}
+	}).Once()
+
+	// Mock GetZoneByName to return a zone
+	client.API.(*mocks.Client).On("Get", mock.Anything, mock.Anything, mock.Anything, mock.Anything, mock.Anything, mock.Anything).
+		Return(nil).Run(func(args mock.Arguments) {
+		resp := args.Get(5).(*apiv1.GetIsiZonesResp)
+		*resp = apiv1.GetIsiZonesResp{
+			Zones: []*apiv1.IsiZone{
+				{
+					Name: "zone1",
+					Path: "/ifs/data",
+				},
+			},
+		}
+	}).Once()
+
+	client.API.(*mocks.Client).On("Get", anyArgs...).Return(nil).Run(func(args mock.Arguments) {
+		resp := args.Get(5).(**apiv1.GetIsiVolumeSizeResp)
+		*resp = &apiv1.GetIsiVolumeSizeResp{
+			AttributeMap: []struct {
+				Name string `json:"name"`
+				Size int64  `json:"size"`
+			}{
+				{Name: "test", Size: 12345},
+			},
+		}
+	}).Once()
+
+	// Call GetSnapshotFolderSize
+	_, err := client.GetSnapshotFolderSize(ctx, isiPath, name, accessZone)
+
+	// Assert that no error occurred
+	assert.Nil(t, err)
+}