80 lines
3.6 KiB
Go
80 lines
3.6 KiB
Go
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package sun
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import (
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"b612.me/astro/basic"
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"b612.me/astro/internal/ephem"
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"testing"
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"time"
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)
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type contextAPI interface {
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Altitude(date time.Time, lon, lat float64) float64
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AltitudeN(date time.Time, lon, lat float64, n int) float64
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ApparentAltitude(date time.Time, lon, lat, pressureHPa, temperatureC float64) float64
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ApparentAltitudeN(date time.Time, lon, lat, pressureHPa, temperatureC float64, n int) float64
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ApparentDec(date time.Time) float64
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ApparentLo(date time.Time) float64
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ApparentRa(date time.Time) float64
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ApparentRaDec(date time.Time) (float64, float64)
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ApparentSolarTime(date time.Time, lon float64) time.Time
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ApparentSolarTimeN(date time.Time, lon float64, n int) time.Time
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ApparentZenith(date time.Time, lon, lat, pressureHPa, temperatureC float64) float64
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ApparentZenithN(date time.Time, lon, lat, pressureHPa, temperatureC float64, n int) float64
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AxialtiltNutation(date time.Time) float64
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AxialtiltNutation1980(date time.Time) float64
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Azimuth(date time.Time, lon, lat float64) float64
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AzimuthN(date time.Time, lon, lat float64, n int) float64
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CulminationTime(date time.Time, lon float64) time.Time
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CulminationTimeN(date time.Time, lon float64, n int) time.Time
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Diameter(date time.Time) float64
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DiameterN(date time.Time, n int) float64
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DownTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, error)
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DownTimeN(date time.Time, lon, lat, height float64, aero bool, n int) (time.Time, error)
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EarthDistance(date time.Time) float64
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EclipticNutation(date time.Time) float64
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EclipticNutation1980(date time.Time) float64
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EclipticObliquity(date time.Time, nutation bool) float64
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EquationTime(date time.Time) float64
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EveningTwilight(date time.Time, lon, lat, angle float64) (time.Time, error)
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EveningTwilightN(date time.Time, lon, lat, angle float64, n int) (time.Time, error)
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GeometricLo(date time.Time) float64
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HourAngle(date time.Time, lon, lat float64) float64
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HourAngleN(date time.Time, lon, lat float64, n int) float64
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MidFunc(date time.Time) float64
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MorningTwilight(date time.Time, lon, lat, angle float64) (time.Time, error)
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MorningTwilightN(date time.Time, lon, lat, angle float64, n int) (time.Time, error)
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ParallacticAngle(date time.Time, lon, lat float64) float64
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ParallacticAngleN(date time.Time, lon, lat float64, n int) float64
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Physical(date time.Time) PhysicalInfo
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PhysicalN(date time.Time, n int) PhysicalInfo
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RiseTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, error)
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RiseTimeN(date time.Time, lon, lat, height float64, aero bool, n int) (time.Time, error)
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Semidiameter(date time.Time) float64
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SemidiameterN(date time.Time, n int) float64
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SetTime(date time.Time, lon, lat, height float64, aero bool) (time.Time, error)
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SetTimeN(date time.Time, lon, lat, height float64, aero bool, n int) (time.Time, error)
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TrueBo(date time.Time) float64
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TrueBoN(date time.Time, n int) float64
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TrueLo(date time.Time) float64
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TrueLoN(date time.Time, n int) float64
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Zenith(date time.Time, lon, lat float64) float64
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ZenithN(date time.Time, lon, lat float64, n int) float64
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}
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var _ contextAPI = (*Sun)(nil)
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func TestContextModuleIsolation(t *testing.T) {
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previous := basic.GetEphemerisModel()
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t.Cleanup(func() { basic.SetEphemerisModel(previous) })
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date := time.Date(2024, 10, 6, 12, 0, 0, 0, time.UTC)
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for _, model := range []ephem.Model{ephem.Legacy, ephem.Semianalytic} {
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basic.SetEphemerisModel(basic.EphemerisModel(model))
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want := ApparentLo(date)
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module := NewWithInstance(ephem.NewModelInstance(model))
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basic.SetEphemerisModel(basic.EphemerisModel(1 - int(model)))
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if got := module.ApparentLo(date); got != want {
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t.Fatalf("model %d: longitude %.12f, want %.12f", model, got, want)
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}
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}
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}
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