75 lines
2.7 KiB
Go
75 lines
2.7 KiB
Go
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// 被测契约：默认选项与 RiseTime/SetTime 一致；夏令时切换日结果落在当天；实例方法使用绑定实例。
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package sun
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import (
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"testing"
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"time"
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"b612.me/astro/basic"
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"b612.me/astro/internal/ephem"
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)
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func TestRiseSetMatchesRiseTimeSetTime(t *testing.T) {
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loc := time.FixedZone("CST", 8*3600)
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for i := 0; i < 30; i++ {
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date := time.Date(2025, 1, 1, 12, 0, 0, 0, loc).AddDate(0, 0, i*12)
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got, err := RiseSet(date, 116.4, 39.9, 50, basic.AltitudeCrossingOptions{})
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if err != nil {
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t.Fatal(err)
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}
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checkEvent(t, date, "rise", got.Rise, got.HasRise, func() (time.Time, error) { return RiseTime(date, 116.4, 39.9, 50, true) })
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checkEvent(t, date, "set", got.Set, got.HasSet, func() (time.Time, error) { return SetTime(date, 116.4, 39.9, 50, true) })
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}
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}
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func TestRiseSetDaylightSavingDays(t *testing.T) {
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loc, err := time.LoadLocation("America/New_York")
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if err != nil {
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t.Skip(err)
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}
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for _, date := range []time.Time{
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time.Date(2023, 3, 12, 12, 0, 0, 0, loc),
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time.Date(2023, 11, 5, 12, 0, 0, 0, loc),
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} {
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got, err := RiseSet(date, -74, 40.7, 0, basic.AltitudeCrossingOptions{})
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if err != nil {
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t.Fatal(err)
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}
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checkEvent(t, date, "rise", got.Rise, got.HasRise, func() (time.Time, error) { return RiseTime(date, -74, 40.7, 0, true) })
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checkEvent(t, date, "set", got.Set, got.HasSet, func() (time.Time, error) { return SetTime(date, -74, 40.7, 0, true) })
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if got.Rise.Location() != loc || got.Rise.YearDay() != date.YearDay() || got.Set.YearDay() != date.YearDay() {
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t.Errorf("%s: events %v %v outside civil day", date.Format("2006-01-02"), got.Rise, got.Set)
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}
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}
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}
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func TestRiseSetUsesModuleInstance(t *testing.T) {
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date := time.Date(2025, 3, 20, 12, 0, 0, 0, time.FixedZone("CST", 8*3600))
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inst := ephem.NewModelInstance(ephem.Legacy)
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got, err := NewWithInstance(inst).RiseSet(date, 116.4, 39.9, 0, basic.AltitudeCrossingOptions{Limb: basic.AltitudeLimbCenter})
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if err != nil {
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t.Fatal(err)
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}
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want, err := basic.SkyAltitudeCrossingOnDate(basic.SkySun, date, 116.4, 39.9, 0, 0, basic.AltitudeCrossingOptions{Limb: basic.AltitudeLimbCenter}, inst)
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if err != nil {
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t.Fatal(err)
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}
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if !got.Rise.Equal(want.Rise) || !got.Set.Equal(want.Set) {
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t.Errorf("instance result %+v, want %+v", got, want)
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}
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}
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func checkEvent(t *testing.T, date time.Time, kind string, got time.Time, has bool, ref func() (time.Time, error)) {
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t.Helper()
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want, err := ref()
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if has != (err == nil) {
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t.Errorf("%s %s: has=%v, reference err=%v", date.Format("2006-01-02"), kind, has, err)
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return
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}
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if has {
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if d := got.Sub(want); d > 100*time.Millisecond || d < -100*time.Millisecond {
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t.Errorf("%s %s: %v, reference %v", date.Format("2006-01-02"), kind, got, want)
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}
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}
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}
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