chore: add tests

api/api.go

@@ -7,7 +7,7 @@ import (
 	"time"
 )
 
-//go:generate go tool mockgen -package api -destination mock.go github.com/evcc-io/evcc/api Charger,ChargeState,CurrentLimiter,CurrentGetter,PhaseSwitcher,PhaseGetter,FeatureDescriber,Identifier,Meter,MeterEnergy,PhaseCurrents,Vehicle,ConnectionTimer,ChargeRater,Battery,BatteryController,BatterySocLimiter,Circuit,Tariff
+//go:generate go tool mockgen -package api -destination mock.go github.com/evcc-io/evcc/api Charger,ChargeState,CurrentLimiter,CurrentGetter,PhaseSwitcher,PhaseGetter,FeatureDescriber,Identifier,Meter,MeterEnergy,PhaseCurrents,Vehicle,ConnectionTimer,ChargeRater,Battery,BatteryController,BatterySocLimiter,Circuit,Dimmer,Tariff
 
 // Meter provides total active power in W
 type Meter interface {

api/mock.go

@@ -1,9 +1,9 @@
 // Code generated by MockGen. DO NOT EDIT.
-// Source: github.com/evcc-io/evcc/api (interfaces: Charger,ChargeState,CurrentLimiter,CurrentGetter,PhaseSwitcher,PhaseGetter,FeatureDescriber,Identifier,Meter,MeterEnergy,PhaseCurrents,Vehicle,ConnectionTimer,ChargeRater,Battery,BatteryController,BatterySocLimiter,Circuit,Tariff)
+// Source: github.com/evcc-io/evcc/api (interfaces: Charger,ChargeState,CurrentLimiter,CurrentGetter,PhaseSwitcher,PhaseGetter,FeatureDescriber,Identifier,Meter,MeterEnergy,PhaseCurrents,Vehicle,ConnectionTimer,ChargeRater,Battery,BatteryController,BatterySocLimiter,Circuit,Dimmer,Tariff)
 //
 // Generated by this command:
 //
-//	mockgen -package api -destination mock.go github.com/evcc-io/evcc/api Charger,ChargeState,CurrentLimiter,CurrentGetter,PhaseSwitcher,PhaseGetter,FeatureDescriber,Identifier,Meter,MeterEnergy,PhaseCurrents,Vehicle,ConnectionTimer,ChargeRater,Battery,BatteryController,BatterySocLimiter,Circuit,Tariff
+//	mockgen -package api -destination mock.go github.com/evcc-io/evcc/api Charger,ChargeState,CurrentLimiter,CurrentGetter,PhaseSwitcher,PhaseGetter,FeatureDescriber,Identifier,Meter,MeterEnergy,PhaseCurrents,Vehicle,ConnectionTimer,ChargeRater,Battery,BatteryController,BatterySocLimiter,Circuit,Dimmer,Tariff
 //
 
 // Package api is a generated GoMock package.
@@ -1084,6 +1084,59 @@ func (mr *MockCircuitMockRecorder) Wrap(parent any) *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Wrap", reflect.TypeOf((*MockCircuit)(nil).Wrap), parent)
 }
 
+// MockDimmer is a mock of Dimmer interface.
+type MockDimmer struct {
+	ctrl     *gomock.Controller
+	recorder *MockDimmerMockRecorder
+	isgomock struct{}
+}
+
+// MockDimmerMockRecorder is the mock recorder for MockDimmer.
+type MockDimmerMockRecorder struct {
+	mock *MockDimmer
+}
+
+// NewMockDimmer creates a new mock instance.
+func NewMockDimmer(ctrl *gomock.Controller) *MockDimmer {
+	mock := &MockDimmer{ctrl: ctrl}
+	mock.recorder = &MockDimmerMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockDimmer) EXPECT() *MockDimmerMockRecorder {
+	return m.recorder
+}
+
+// Dim mocks base method.
+func (m *MockDimmer) Dim(arg0 bool) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Dim", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Dim indicates an expected call of Dim.
+func (mr *MockDimmerMockRecorder) Dim(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Dim", reflect.TypeOf((*MockDimmer)(nil).Dim), arg0)
+}
+
+// Dimmed mocks base method.
+func (m *MockDimmer) Dimmed() (bool, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Dimmed")
+	ret0, _ := ret[0].(bool)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Dimmed indicates an expected call of Dimmed.
+func (mr *MockDimmerMockRecorder) Dimmed() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Dimmed", reflect.TypeOf((*MockDimmer)(nil).Dimmed))
+}
+
 // MockTariff is a mock of Tariff interface.
 type MockTariff struct {
 	ctrl     *gomock.Controller

core/site_circuit_test.go

@@ -0,0 +1,52 @@
+package core
+
+import (
+	"testing"
+
+	"github.com/evcc-io/evcc/api"
+	"github.com/evcc-io/evcc/util"
+	"github.com/evcc-io/evcc/util/config"
+	"github.com/stretchr/testify/require"
+	"go.uber.org/mock/gomock"
+)
+
+func TestDimming(t *testing.T) {
+	ctrl := gomock.NewController(t)
+
+	meter := api.NewMockMeter(ctrl)
+	dimmer := api.NewMockDimmer(ctrl)
+	mm := &struct {
+		api.Meter
+		api.Dimmer
+	}{
+		Meter:  meter,
+		Dimmer: dimmer,
+	}
+
+	s := &Site{
+		log:       util.NewLogger("foo"),
+		auxMeters: []config.Device[api.Meter]{config.NewStaticDevice[api.Meter](config.Named{}, mm)},
+	}
+
+	for _, tc := range []struct {
+		has, want bool
+	}{
+		{has: false, want: false},
+		{has: false, want: true},
+		{has: true, want: false},
+		{has: true, want: true},
+	} {
+		t.Logf("%+v", tc)
+
+		dimmer.EXPECT().Dimmed().Return(tc.has, nil)
+		if tc.has != tc.want {
+			dimmer.EXPECT().Dim(tc.want).Return(nil)
+		}
+
+		require.NoError(t, s.dimMeters(tc.want))
+
+		if !ctrl.Satisfied() {
+			ctrl.Finish()
+		}
+	}
+}