b612
9ee2163cc7
- 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
78 lines
2.0 KiB
Go
78 lines
2.0 KiB
Go
package basic
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import (
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"encoding/json"
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"math"
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"os"
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"testing"
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"time"
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)
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type venusEventBaselineSample struct {
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InputUTC string `json:"input_utc"`
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TTJDBits uint64 `json:"tt_jd_bits"`
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Events map[string]uint64 `json:"events"`
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}
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type venusEventBaseline struct {
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Samples []venusEventBaselineSample `json:"samples"`
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}
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func loadVenusEventBaseline(t *testing.T) venusEventBaseline {
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t.Helper()
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data, err := os.ReadFile("testdata/venus_event_baseline.json")
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if err != nil {
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t.Fatal(err)
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}
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var baseline venusEventBaseline
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if err := json.Unmarshal(data, &baseline); err != nil {
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t.Fatal(err)
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}
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if len(baseline.Samples) == 0 {
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t.Fatal("empty venus event baseline")
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}
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return baseline
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}
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func TestVenusEventBaselineRegression(t *testing.T) {
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baseline := loadVenusEventBaseline(t)
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cases := venusEventCases()
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for _, sample := range baseline.Samples {
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jd := math.Float64frombits(sample.TTJDBits)
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for _, event := range cases {
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wantBits, ok := sample.Events[event.name]
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if !ok {
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t.Fatalf("%s missing baseline event %s", sample.InputUTC, event.name)
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}
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want := math.Float64frombits(wantBits)
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if math.IsNaN(want) || math.IsInf(want, 0) {
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t.Fatalf("%s %s baseline is non-finite %v", sample.InputUTC, event.name, want)
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}
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got := event.fn(jd)
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if math.IsNaN(got) || math.IsInf(got, 0) {
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t.Fatalf("%s %s returned non-finite result %v", sample.InputUTC, event.name, got)
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}
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diff := math.Abs(got - want)
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if diff > event.tolerance {
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t.Fatalf("%s %s diff %.12f > tolerance %.12f", sample.InputUTC, event.name, diff, event.tolerance)
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}
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}
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}
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}
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func TestVenusConjunctionExtremeInputIsBounded(t *testing.T) {
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started := time.Now()
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for _, next := range []uint8{0, 1} {
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got := venusConjunction(1e8, next)
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if math.IsInf(got, 0) {
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t.Fatalf("venusConjunction(1e8, %d) returned infinite result %v", next, got)
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}
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}
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if elapsed := time.Since(started); elapsed > 2*time.Second {
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t.Fatalf("venusConjunction extreme input took %s, want <= 2s", elapsed)
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}
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}
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