evcc-io/core/wrapper/chargerater_test.go

113 lines
2.1 KiB
Go

package wrapper
import (
"testing"
"time"
"github.com/benbjohnson/clock"
"github.com/evcc-io/evcc/api"
"github.com/evcc-io/evcc/mock"
"github.com/evcc-io/evcc/util"
"github.com/golang/mock/gomock"
)
func TestNoMeter(t *testing.T) {
cr := NewChargeRater(util.NewLogger("foo"), nil)
clck := clock.NewMock()
cr.clck = clck
cr.StartCharge(false)
clck.Add(time.Hour)
if f, err := cr.ChargedEnergy(); f != 0 || err != nil {
t.Errorf("energy: %.1f %v", f, err)
}
cr.StartCharge(true)
// 1kWh
clck.Add(time.Hour)
cr.SetChargePower(1e3)
cr.SetChargePower(1e3) // should be ignored as time is identical
// 0kWh
clck.Add(time.Hour)
cr.SetChargePower(0)
cr.StopCharge()
// 1kWh - not counted
clck.Add(time.Hour)
cr.SetChargePower(1e3)
if f, err := cr.ChargedEnergy(); f != 1 || err != nil {
t.Errorf("energy: %.1f %v", f, err)
}
// continue
cr.StartCharge(true)
// 1kWh
clck.Add(2 * time.Hour)
cr.SetChargePower(1e3)
cr.StopCharge()
if f, err := cr.ChargedEnergy(); f != 3 || err != nil {
t.Errorf("energy: %.1f %v", f, err)
}
}
func TestWrappedMeter(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
mm := mock.NewMockMeter(ctrl)
me := mock.NewMockMeterEnergy(ctrl)
type EnergyDecorator struct {
api.Meter
api.MeterEnergy
}
cm := &EnergyDecorator{Meter: mm, MeterEnergy: me}
cr := NewChargeRater(util.NewLogger("foo"), cm)
clck := clock.NewMock()
cr.clck = clck
me.EXPECT().TotalEnergy().Return(2.0, nil)
cr.StartCharge(false)
// ignored with meter present
clck.Add(time.Hour)
cr.SetChargePower(1e3)
clck.Add(time.Hour)
cr.SetChargePower(0)
me.EXPECT().TotalEnergy().Return(3.0, nil)
cr.StopCharge()
if f, err := cr.ChargedEnergy(); f != 1 || err != nil {
t.Errorf("energy: %.1f %v", f, err)
}
// ignored with meter present
clck.Add(time.Hour)
cr.SetChargePower(1e3)
// continue
me.EXPECT().TotalEnergy().Return(10.0, nil)
cr.StartCharge(true)
clck.Add(time.Hour) // actual timing ignored as energy comes from meter
me.EXPECT().TotalEnergy().Return(12.0, nil)
cr.StopCharge()
if f, err := cr.ChargedEnergy(); f != 3 || err != nil {
t.Errorf("energy: %.1f %v", f, err)
}
}