216 lines
6.7 KiB
Go
216 lines
6.7 KiB
Go
package core
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import (
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"testing"
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"time"
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"github.com/benbjohnson/clock"
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"github.com/evcc-io/evcc/api"
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"github.com/evcc-io/evcc/core/loadpoint"
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"github.com/evcc-io/evcc/core/metrics"
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"github.com/evcc-io/evcc/server/db"
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"github.com/stretchr/testify/require"
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"go.uber.org/mock/gomock"
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)
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func TestSqliteTimestamp(t *testing.T) {
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clock := clock.NewMock()
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clock.Add(time.Hour)
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require.NoError(t, db.NewInstance("sqlite", ":memory:"))
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require.NoError(t, metrics.Init())
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metrics.Persist(clock.Now(), 0)
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db, err := db.Instance.DB()
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require.NoError(t, err)
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var (
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ts metrics.SqlTime
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val float64
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)
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for _, sql := range []string{
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`SELECT ts, val FROM meters`,
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`SELECT min(ts), val FROM meters`,
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`SELECT unixepoch(ts), val FROM meters`,
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`SELECT unixepoch(min(ts)), val FROM meters`,
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`SELECT min(ts) AS ts, avg(val) AS val
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FROM meters
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GROUP BY strftime("%H:%M", ts)
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ORDER BY ts`,
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} {
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require.NoError(t, db.QueryRow(sql).Scan(&ts, &val))
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require.True(t, clock.Now().Equal(time.Time(ts)), "expected %v, got %v", clock.Now().Local(), time.Time(ts).Local())
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}
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require.NoError(t, db.QueryRow(`SELECT ts, val FROM meters WHERE ts >= ?`, clock.Now()).Scan(&ts, &val))
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require.True(t, clock.Now().Equal(time.Time(ts)), "expected %v, got %v", clock.Now().Local(), time.Time(ts).Local())
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}
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func TestUpdateHouseholdProfile(t *testing.T) {
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clock := clock.NewMock()
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require.NoError(t, db.NewInstance("sqlite", ":memory:"))
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metrics.Init()
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// 2 days of data
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// day 1: 0 ... 95
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// day 2: 96 ... 181
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for i := range 4 * 2 * 24 {
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metrics.Persist(clock.Now(), float64(i))
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clock.Add(15 * time.Minute)
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}
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{
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from := clock.Now().Local().AddDate(0, 0, -2).Add(12 * time.Hour) // 12:00 of day 0
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prof, err := metrics.Profile(from)
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require.NoError(t, err)
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var expected [96]float64
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for i := range expected {
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if i < 48 {
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expected[i] = float64(48+i+144+i) / 2
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continue
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}
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expected[i] = float64(96 - 48 + i)
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}
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require.Equal(t, expected, *prof, "partial profile: expected %v, got %v", expected, *prof)
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}
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{
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from := clock.Now().Local().AddDate(0, 0, -3).Add(12 * time.Hour) // 12:00 of day -1
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prof, err := metrics.Profile(from)
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require.NoError(t, err)
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var expected [96]float64
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for i := range expected {
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expected[i] = float64(0+96+2*i) / 2
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}
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require.Equal(t, expected, *prof, "full profile: expected %v, got %v", expected, *prof)
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}
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}
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func TestCombineSlots(t *testing.T) {
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// Create test profile with known values
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// Slots 0-3: hour 0, values 1,2,3,4 -> sum = 10
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// Slots 4-7: hour 1, values 5,6,7,8 -> sum = 26
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// Slots 8-11: hour 2, values 9,10,11,12 -> sum = 42
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profile := make([]float64, 96)
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for i := range 96 {
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profile[i] = float64(i + 1)
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}
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t.Run("standard profile", func(t *testing.T) {
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result := combineSlots(profile)
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require.Equal(t, 24, len(result), "should return 24 hours")
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require.InDelta(t, 10, result[0], 0.01, "hour 0: slots 0-3 (1+2+3+4)")
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require.InDelta(t, 26, result[1], 0.01, "hour 1: slots 4-7 (5+6+7+8)")
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require.InDelta(t, 42, result[2], 0.01, "hour 2: slots 8-11 (9+10+11+12)")
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require.InDelta(t, 378, result[23], 0.01, "hour 23: slots 92-95 (93+94+95+96)")
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})
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t.Run("nil profile", func(t *testing.T) {
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result := combineSlots(nil)
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require.Empty(t, result)
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})
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}
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func TestProrateFirstHour(t *testing.T) {
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// Create test hourly profile with known values
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// Hour 0: 10, Hour 1: 20, Hour 2: 30, etc.
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profile := make([]float64, 24)
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for i := range 24 {
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profile[i] = float64((i + 1) * 10)
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}
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tests := []struct {
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name string
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now time.Time
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expectedFirstHour float64
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expectedLength int
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expectedSecond float64
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}{
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{
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name: "start of hour 0 - no proration",
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now: time.Date(2024, 1, 1, 0, 0, 0, 0, time.UTC),
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expectedFirstHour: 10.0, // full hour: no proration applied
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expectedLength: 24, // all 24 hours remain
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expectedSecond: 20.0, // hour 1 value
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},
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{
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name: "30 minutes into hour 0",
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now: time.Date(2024, 1, 1, 0, 30, 0, 0, time.UTC),
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expectedFirstHour: 5.0, // 30min remaining: 10 * 0.5 = 5
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expectedLength: 24, // all 24 hours remain
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expectedSecond: 20.0, // hour 1 value unchanged
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},
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{
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name: "start of hour 2 - no proration",
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now: time.Date(2024, 1, 1, 2, 0, 0, 0, time.UTC),
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expectedFirstHour: 30.0, // hour 2 value: 30
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expectedLength: 22, // hours 2-23 remain (22 hours)
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expectedSecond: 40.0, // hour 3 value
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},
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{
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name: "15 minutes into hour 2",
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now: time.Date(2024, 1, 1, 2, 15, 0, 0, time.UTC),
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expectedFirstHour: 22.5, // 45min remaining: 30 * 0.75 = 22.5
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expectedLength: 22, // hours 2-23 remain (22 hours)
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expectedSecond: 40.0, // hour 3 value unchanged
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},
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{
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name: "45 minutes into hour 5",
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now: time.Date(2024, 1, 1, 5, 45, 0, 0, time.UTC),
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expectedFirstHour: 15.0, // 15min remaining: 60 * 0.25 = 15.0
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expectedLength: 19, // hours 5-23 remain (19 hours)
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expectedSecond: 70.0, // hour 6 value unchanged
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},
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{
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name: "10 minutes into hour 10",
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now: time.Date(2024, 1, 1, 10, 10, 0, 0, time.UTC),
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expectedFirstHour: 91.67, // 50min remaining: 110 * (50/60) = 91.67
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expectedLength: 14, // hours 10-23 remain (14 hours)
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expectedSecond: 120.0, // hour 11 value unchanged
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},
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{
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name: "near end of day - hour 23",
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now: time.Date(2024, 1, 1, 23, 30, 0, 0, time.UTC),
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expectedFirstHour: 120.0, // 30min remaining: 240 * 0.5 = 120
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expectedLength: 1, // only hour 23 remains
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expectedSecond: 0.0, // no second hour
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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result := prorateFirstHour(tt.now, profile)
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require.Equal(t, tt.expectedLength, len(result), "length mismatch")
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if len(result) > 0 {
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require.InDelta(t, tt.expectedFirstHour, result[0], 0.01, "first hour value mismatch")
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// Verify second hour is unchanged (if exists)
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if len(result) > 1 {
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require.Equal(t, tt.expectedSecond, result[1], "second hour should be unchanged")
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}
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}
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})
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}
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}
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func TestLoadpointProfile(t *testing.T) {
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ctrl := gomock.NewController(t)
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lp := loadpoint.NewMockAPI(ctrl)
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lp.EXPECT().GetMode().Return(api.ModeMinPV).AnyTimes()
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lp.EXPECT().GetStatus().Return(api.StatusC).AnyTimes()
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lp.EXPECT().GetChargePower().Return(10000.0).AnyTimes() // 1 0kW
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lp.EXPECT().EffectiveMinPower().Return(1000.0).AnyTimes() // 1 kW
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lp.EXPECT().GetRemainingEnergy().Return(2.0).AnyTimes() // 2 kWh
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// expected slots: 0.25/ 1.0 / 0.75 kWh
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require.Equal(t, []float64{250, 1000, 750}, loadpointProfile(lp, 15*time.Minute, 3))
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}
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