astro/sun/observation_n_test.go
starainrt 3ffdbe0034
feat: 扩展天文计算能力
- 新增日食、月食、本地可见性、中心线、半影区域、SVG 图示与沙罗周期信息
- 新增行星冲合、留、方照、物理星历、视直径、相位、亮肢角、轨道节点等计算
- 新增木星伽利略卫星位置、现象与接触事件计算
- 新增恒星星表、星座判定、自行修正与观测辅助能力
- 新增 coord、formula、orbit、sundial、lite/sun、lite/moon 等扩展包
- 完善农历年号、月相英文别名、视差角、大气质量、折射、日晷与双星计算
- 增加 NASA、JPL Horizons、IMCCE 等回归测试数据与基线测试
- 重构基础算法文件组织,补充大量公开 API 注释和语义回归测试
- 更新中文和英文 README,补充示例、精度说明、SVG 配图
2026-05-01 22:38:44 +08:00

76 lines
2.7 KiB
Go

package sun
import (
"math"
"testing"
"time"
)
func TestObservationNFullMatchesDefault(t *testing.T) {
date := time.Date(2026, 4, 26, 9, 30, 45, 123456789, time.FixedZone("CST", 8*3600))
lon := 116.391
lat := 39.907
height := 45.0
twilightAngle := -6.0
assertSame := func(name string, got, want float64) {
t.Helper()
if math.Float64bits(got) != math.Float64bits(want) {
t.Fatalf("%s full-n mismatch", name)
}
}
assertTimeSame := func(name string, got, want time.Time) {
t.Helper()
if got.UnixNano() != want.UnixNano() || got.Location().String() != want.Location().String() {
t.Fatalf("%s full-n mismatch", name)
}
}
assertErrSame := func(name string, got, want error) {
t.Helper()
switch {
case got == nil && want == nil:
return
case got == nil || want == nil:
t.Fatalf("%s full-n mismatch", name)
case got.Error() != want.Error():
t.Fatalf("%s full-n mismatch", name)
}
}
assertSame("HourAngle", HourAngle(date, lon, lat), HourAngleN(date, lon, lat, -1))
assertSame("ParallacticAngle", ParallacticAngle(date, lon, lat), ParallacticAngleN(date, lon, lat, -1))
assertSame("Azimuth", Azimuth(date, lon, lat), AzimuthN(date, lon, lat, -1))
assertSame("Altitude", Altitude(date, lon, lat), AltitudeN(date, lon, lat, -1))
assertSame("Zenith", Zenith(date, lon, lat), ZenithN(date, lon, lat, -1))
if !math.IsNaN(Altitude(date, lon, lat)) && math.Abs((Altitude(date, lon, lat)+Zenith(date, lon, lat))-90) > 1e-12 {
t.Fatal("sun altitude + zenith should equal 90 degrees")
}
assertTimeSame("CulminationTime", CulminationTime(date, lon), CulminationTimeN(date, lon, -1))
assertTimeSame("ApparentSolarTime", ApparentSolarTime(date, lon), ApparentSolarTimeN(date, lon, -1))
rise1, err1 := RiseTime(date, lon, lat, height, true)
rise2, err2 := RiseTimeN(date, lon, lat, height, true, -1)
assertTimeSame("RiseTime", rise1, rise2)
assertErrSame("RiseTime.err", err1, err2)
set1, err1 := SetTime(date, lon, lat, height, true)
set2, err2 := SetTimeN(date, lon, lat, height, true, -1)
assertTimeSame("SetTime", set1, set2)
assertErrSame("SetTime.err", err1, err2)
down1, err1 := DownTime(date, lon, lat, height, true)
down2, err2 := DownTimeN(date, lon, lat, height, true, -1)
assertTimeSame("DownTime", down1, down2)
assertErrSame("DownTime.err", err1, err2)
morning1, err1 := MorningTwilight(date, lon, lat, twilightAngle)
morning2, err2 := MorningTwilightN(date, lon, lat, twilightAngle, -1)
assertTimeSame("MorningTwilight", morning1, morning2)
assertErrSame("MorningTwilight.err", err1, err2)
evening1, err1 := EveningTwilight(date, lon, lat, twilightAngle)
evening2, err2 := EveningTwilightN(date, lon, lat, twilightAngle, -1)
assertTimeSame("EveningTwilight", evening1, evening2)
assertErrSame("EveningTwilight.err", err1, err2)
}