t.Fatalf("for %s: error: expected :%v , got: %v", tc.name, *inodes, *(metrics.Inodes))
				}
				if metrics.InodesUsed.Cmp(*usedInodes) != 0 {
					t.Fatalf("for %s: error: expected :%v , got: %v", tc.name, *usedInodes, *(metrics.InodesUsed))
				}
			}
		}
	}
}

// test GetMetrics with a volume that does not support stats
func TestGetMetricsDriverNotSupportStats(t *testing.T) {
	tests := []struct {

	m.Set(driveFreeBytes, float64(drive.AvailableSpace), labels...)
	m.Set(driveTotalBytes, float64(drive.TotalSpace), labels...)
	m.Set(driveUsedInodes, float64(drive.UsedInodes), labels...)
	m.Set(driveFreeInodes, float64(drive.FreeInodes), labels...)
	m.Set(driveTotalInodes, float64(drive.UsedInodes+drive.FreeInodes), labels...)

	var health float64
	switch drive.Healing {
	case true:
		health = driveHealthHealing
	case false: