b612
044f2f4381
- 新增半解析、旧模型、自定义与多源堆叠星历实例，提供 Context、Instance、SPK 读取及状态与视位置计算 - 统一太阳、月球和行星实例接口，扩展黄经穿越、留、相位、最近角距、偕日可见、任意高度升落、轨道节点及凌日等天象查询 - 完善日月食、月掩与凌日的月缘剖面、有限盘面接触、站心修正、局地可见性、全球路径和地图输出 - 新增 SVG、GeoJSON、KML 天象输出及凌日、月掩和月缘地形相关缓存与几何求解 - 新增恒星星表导入与查询，支持 CSV、Hipparcos、BSC5、Stellarium 等格式及名称、交叉标识、锥面检索和星等过滤 - 补充 IAU 2006、地球定向、折射消光、大气观测、轨道传播及半解析行星/月球数据支持 - 将默认未来民用时标切换为 TimeScaleLeapHour，更新 2027–2400 农历速查表、中文日期解析和时区边界处理 - 增加事件基线、跨模型回归、几何边界、月缘地形和输出契约测试，完善中英文手册、示例资源、NOTICE 与忽略规则
108 lines
2.8 KiB
Go
108 lines
2.8 KiB
Go
package planet
|
|
|
|
import (
|
|
"math"
|
|
"testing"
|
|
|
|
"b612.me/astro/internal/ephemtest"
|
|
)
|
|
|
|
func TestPlanetViewsMatchRawCuts(t *testing.T) {
|
|
views := planetViews()
|
|
for bodyIndex, raw := range planetRawData {
|
|
view := views[bodyIndex]
|
|
if math.Float64bits(view.scale) != math.Float64bits(raw[0]) {
|
|
t.Fatalf("body=%d scale mismatch", bodyIndex)
|
|
}
|
|
for zn := 0; zn < 3; zn++ {
|
|
pn := zn*6 + 1
|
|
for order := 0; order < 6; order++ {
|
|
start := int(raw[pn+order])
|
|
end := int(raw[pn+order+1])
|
|
if len(view.coords[zn].orders[order]) != end-start {
|
|
t.Fatalf("body=%d zn=%d order=%d got=%d want=%d", bodyIndex, zn, order, len(view.coords[zn].orders[order]), end-start)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestBuildPlanetViewsRejectsInvalidCuts(t *testing.T) {
|
|
_, err := buildPlanetViews([][]float64{{
|
|
10000000000,
|
|
20, 21, 20, 20, 20, 20, 20,
|
|
20, 20, 20, 20, 20, 20,
|
|
20, 20, 20, 20, 20, 20,
|
|
}})
|
|
if err == nil {
|
|
t.Fatal("expected invalid cut error")
|
|
}
|
|
}
|
|
|
|
func TestWherePlanetDomainGuards(t *testing.T) {
|
|
jds := []float64{2415020.123456789, 2451545.0, 2469808.7654321}
|
|
for _, jd := range jds {
|
|
for xt := -1; xt <= 7; xt++ {
|
|
for zn := 0; zn <= 2; zn++ {
|
|
for _, n := range []int{-1, 0, 3, 100} {
|
|
got := WherePlanetN(xt, zn, jd, n)
|
|
if math.IsNaN(got) || math.IsInf(got, 0) {
|
|
t.Fatalf("in-domain WherePlanetN(%d, %d, %v, %d) = %v", xt, zn, jd, n, got)
|
|
}
|
|
}
|
|
got := WherePlanet(xt, zn, jd)
|
|
if math.IsNaN(got) || math.IsInf(got, 0) {
|
|
t.Fatalf("in-domain WherePlanet(%d, %d, %v) = %v", xt, zn, jd, got)
|
|
}
|
|
}
|
|
}
|
|
for _, xt := range []int{-2, -100, 8, 9, 100} {
|
|
for zn := 0; zn <= 2; zn++ {
|
|
assertWherePlanetNaN(t, xt, zn, jd)
|
|
}
|
|
}
|
|
for _, zn := range []int{-1, -100, 3, 100} {
|
|
for xt := -1; xt <= 7; xt++ {
|
|
assertWherePlanetNaN(t, xt, zn, jd)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func assertWherePlanetNaN(t *testing.T, xt, zn int, jd float64) {
|
|
t.Helper()
|
|
if got := WherePlanet(xt, zn, jd); !math.IsNaN(got) {
|
|
t.Fatalf("WherePlanet(%d, %d, %v) = %v, want NaN", xt, zn, jd, got)
|
|
}
|
|
for _, n := range []int{-1, 0, 6} {
|
|
if got := WherePlanetN(xt, zn, jd, n); !math.IsNaN(got) {
|
|
t.Fatalf("WherePlanetN(%d, %d, %v, %d) = %v, want NaN", xt, zn, jd, n, got)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestWherePlanetGoldenValues(t *testing.T) {
|
|
ephemtest.PinLegacy(t)
|
|
jd := 2451545.0
|
|
cases := []struct {
|
|
xt, zn int
|
|
want float64
|
|
}{
|
|
{-1, 0, 100.37782037193487},
|
|
{-1, 1, -0.00022991463883506049},
|
|
{-1, 2, 0.98332764743480028},
|
|
{0, 0, 280.37782037193489},
|
|
{0, 1, 0.00022991463883506049},
|
|
{0, 2, 0.98332764743480028},
|
|
{4, 0, 36.29462069188007},
|
|
{4, 1, -1.1745385942079292},
|
|
{4, 2, 4.9653814383525443},
|
|
}
|
|
for _, tc := range cases {
|
|
got := WherePlanet(tc.xt, tc.zn, jd)
|
|
if math.Abs(got-tc.want) > 1e-12 {
|
|
t.Fatalf("WherePlanet(%d, %d, %v) = %.17g, want %.17g", tc.xt, tc.zn, jd, got, tc.want)
|
|
}
|
|
}
|
|
}
|