Files
astro/basic/venus_event_regression_test.go
T
b612 9ee2163cc7 feat: 新增月掩与日月食地理绘图并提升观测计算精度
- 新增月掩恒星和行星:支持搜索、掩甚点、全球掩带及固定地点轨迹计算
- 支持恒星星表坐标转换、有限盘面行星接触事件和月掩 SVG 输出
- 新增日月食及月掩全球投影图、时间标记和 GeoJSON 地理数据接口
- 扩展日食中心线、南北界及偏食足迹采样,支持极区投影
- 修正站心时角、月出月落、月球视半径、折射和恒星自行计算
- 优化内外行星事件搜索、边界选择、极端输入处理和计算稳定性
2026-08-06 12:00:56 +08:00

78 lines
2.0 KiB
Go

package basic
import (
"encoding/json"
"math"
"os"
"testing"
"time"
)
type venusEventBaselineSample struct {
InputUTC string `json:"input_utc"`
TTJDBits uint64 `json:"tt_jd_bits"`
Events map[string]uint64 `json:"events"`
}
type venusEventBaseline struct {
Samples []venusEventBaselineSample `json:"samples"`
}
func loadVenusEventBaseline(t *testing.T) venusEventBaseline {
t.Helper()
data, err := os.ReadFile("testdata/venus_event_baseline.json")
if err != nil {
t.Fatal(err)
}
var baseline venusEventBaseline
if err := json.Unmarshal(data, &baseline); err != nil {
t.Fatal(err)
}
if len(baseline.Samples) == 0 {
t.Fatal("empty venus event baseline")
}
return baseline
}
func TestVenusEventBaselineRegression(t *testing.T) {
baseline := loadVenusEventBaseline(t)
cases := venusEventCases()
for _, sample := range baseline.Samples {
jd := math.Float64frombits(sample.TTJDBits)
for _, event := range cases {
wantBits, ok := sample.Events[event.name]
if !ok {
t.Fatalf("%s missing baseline event %s", sample.InputUTC, event.name)
}
want := math.Float64frombits(wantBits)
if math.IsNaN(want) || math.IsInf(want, 0) {
t.Fatalf("%s %s baseline is non-finite %v", sample.InputUTC, event.name, want)
}
got := event.fn(jd)
if math.IsNaN(got) || math.IsInf(got, 0) {
t.Fatalf("%s %s returned non-finite result %v", sample.InputUTC, event.name, got)
}
diff := math.Abs(got - want)
if diff > event.tolerance {
t.Fatalf("%s %s diff %.12f > tolerance %.12f", sample.InputUTC, event.name, diff, event.tolerance)
}
}
}
}
func TestVenusConjunctionExtremeInputIsBounded(t *testing.T) {
started := time.Now()
for _, next := range []uint8{0, 1} {
got := venusConjunction(1e8, next)
if math.IsInf(got, 0) {
t.Fatalf("venusConjunction(1e8, %d) returned infinite result %v", next, got)
}
}
if elapsed := time.Since(started); elapsed > 2*time.Second {
t.Fatalf("venusConjunction extreme input took %s, want <= 2s", elapsed)
}
}