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
47 lines
1.6 KiB
Go
47 lines
1.6 KiB
Go
// 被测契约：包级与实例视位置共用同一判据，零方向、非正距离、负光行时与非有限值一律报错。
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package basic
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import (
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"math"
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"testing"
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"b612.me/astro/internal/ephem"
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)
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type fixedApparentEngine struct {
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dir [3]float64
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dist, tau float64
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}
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func (e fixedApparentEngine) State(target, center ephem.Body, jdTDB float64) (pos, vel [3]float64, err error) {
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return pos, vel, ephem.ErrUnsupportedBody
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}
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func (e fixedApparentEngine) Coverage(ephem.Body) (start, end float64, ok bool) { return 0, 0, false }
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func (e fixedApparentEngine) Apparent(ephem.Body, float64) ([3]float64, float64, float64, error) {
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return e.dir, e.dist, e.tau, nil
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}
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func TestApparentStateRejectsInvalid(t *testing.T) {
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nan := math.NaN()
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for _, c := range []struct {
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name string
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e fixedApparentEngine
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ok bool
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}{
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{"valid", fixedApparentEngine{[3]float64{1, 0, 0}, 1.5e8, 0.0058}, true},
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{"nan direction", fixedApparentEngine{[3]float64{nan, 0, 0}, 1.5e8, 0.0058}, false},
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{"zero direction", fixedApparentEngine{[3]float64{}, 1.5e8, 0.0058}, false},
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{"zero distance", fixedApparentEngine{[3]float64{1, 0, 0}, 0, 0.0058}, false},
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{"inf distance", fixedApparentEngine{[3]float64{1, 0, 0}, math.Inf(1), 0.0058}, false},
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{"negative tau", fixedApparentEngine{[3]float64{1, 0, 0}, 1.5e8, -1}, false},
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{"nan tau", fixedApparentEngine{[3]float64{1, 0, 0}, 1.5e8, nan}, false},
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} {
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_, _, _, _, ok, err := apparentState(ephem.Sun, 2451545, ephem.NewInstance(c.e))
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if c.ok && (err != nil || !ok) || !c.ok && err == nil {
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t.Errorf("%s: ok=%v err=%v", c.name, ok, err)
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}
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}
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}
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