73 lines
2.4 KiB
Go
73 lines
2.4 KiB
Go
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package basic
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import (
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_ "embed"
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"encoding/json"
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"testing"
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"time"
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)
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type constellationBaselineSample struct {
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RA float64 `json:"ra"`
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Dec float64 `json:"dec"`
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JDE float64 `json:"jde"`
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Code string `json:"code"`
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ZH string `json:"zh"`
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}
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//go:embed testdata/cst_baseline.json
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var constellationBaselineJSON []byte
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func loadCstBaseline(t *testing.T) []constellationBaselineSample {
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t.Helper()
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var samples []constellationBaselineSample
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if err := json.Unmarshal(constellationBaselineJSON, &samples); err != nil {
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t.Fatalf("unmarshal constellation baseline: %v", err)
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}
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return samples
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}
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func TestConstellationBaseline(t *testing.T) {
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samples := loadCstBaseline(t)
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for index, sample := range samples {
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if code := resolveConstellationCode(sample.RA, sample.Dec, sample.JDE); code != sample.Code {
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t.Fatalf("sample %d code mismatch: ra=%.6f dec=%.6f jde=%.6f got=%q want=%q", index, sample.RA, sample.Dec, sample.JDE, code, sample.Code)
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}
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if code := ConstellationCode(sample.RA, sample.Dec, sample.JDE); code != sample.Code {
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t.Fatalf("sample %d wrapper mismatch: ra=%.6f dec=%.6f jde=%.6f got=%q want=%q", index, sample.RA, sample.Dec, sample.JDE, code, sample.Code)
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}
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if zh := ConstellationNameZH(sample.RA, sample.Dec, sample.JDE); zh != sample.ZH {
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t.Fatalf("sample %d zh mismatch: ra=%.6f dec=%.6f jde=%.6f got=%q want=%q", index, sample.RA, sample.Dec, sample.JDE, zh, sample.ZH)
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}
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}
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}
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func TestConstellationNameLookups(t *testing.T) {
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tests := []struct {
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code string
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zh string
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en string
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}{
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{code: "ORI", zh: "猎户座", en: "Orion"},
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{code: "PSC", zh: "双鱼座", en: "Pisces"},
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{code: "SER1", zh: "巨蛇座", en: "Serpens Caput"},
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{code: "SER2", zh: "巨蛇座", en: "Serpens Cauda"},
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{code: "UMI", zh: "小熊座", en: "Ursa Minor"},
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}
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for _, testCase := range tests {
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if zh := ConstellationNameByCodeZH(testCase.code); zh != testCase.zh {
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t.Fatalf("ConstellationNameByCodeZH(%q) = %q, want %q", testCase.code, zh, testCase.zh)
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}
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if en := ConstellationNameByCodeEN(testCase.code); en != testCase.en {
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t.Fatalf("ConstellationNameByCodeEN(%q) = %q, want %q", testCase.code, en, testCase.en)
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}
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}
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}
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func TestConstellationNameEN(t *testing.T) {
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jde := Date2JDE(time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC))
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if en := ConstellationNameEN(88.792939, 7.407064, jde); en != "Orion" {
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t.Fatalf("ConstellationNameEN() = %q, want %q", en, "Orion")
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}
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}
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