58 lines
1.3 KiB
Go
58 lines
1.3 KiB
Go
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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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)
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type mercuryEventBaselineSample 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 mercuryEventBaseline struct {
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Samples []mercuryEventBaselineSample `json:"samples"`
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}
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func loadMercuryEventBaseline(t *testing.T) mercuryEventBaseline {
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t.Helper()
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data, err := os.ReadFile("testdata/mercury_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 mercuryEventBaseline
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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 mercury event baseline")
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}
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return baseline
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}
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func TestMercuryEventBaselineRegression(t *testing.T) {
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baseline := loadMercuryEventBaseline(t)
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cases := mercuryEventCases()
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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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got := event.fn(jd)
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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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