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astro/geojson/context_test.go
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package geojson
import (
"b612.me/astro/basic"
eclipsecore "b612.me/astro/eclipse"
"b612.me/astro/internal/ephem"
"b612.me/astro/moon"
"testing"
"time"
)
type contextAPI interface {
MarshalLunarEclipse(info eclipsecore.LunarEclipseInfo, boundaryPoints int) ([]byte, error)
MarshalLunarEclipseWithOptions(
info eclipsecore.LunarEclipseInfo,
boundaryPoints int,
options LunarEclipseOptions,
) ([]byte, error)
MarshalLunarEclipseWithTimeMarkers(
info eclipsecore.LunarEclipseInfo,
boundaryPoints int,
options TimeMarkerOptions,
) ([]byte, error)
MarshalPlanetOccultation(path moon.PlanetOccultationPath) ([]byte, error)
MarshalPlanetOccultationFootprints(instant moon.PlanetOccultationInstant) ([]byte, error)
MarshalPlanetOccultationWithTimeMarkers(
path moon.PlanetOccultationPath,
options TimeMarkerOptions,
) ([]byte, error)
MarshalSolarEclipse(
partial eclipsecore.SolarEclipsePartialFootprintsInfo,
central *eclipsecore.SolarEclipsePath,
) ([]byte, error)
MarshalSolarEclipseShadowInstant(
instant eclipsecore.SolarEclipseShadowInstant,
) ([]byte, error)
MarshalSolarEclipseWithOptions(
partial eclipsecore.SolarEclipsePartialFootprintsInfo,
central *eclipsecore.SolarEclipsePath,
options SolarEclipseOptions,
) ([]byte, error)
MarshalSolarEclipseWithTimeMarkers(
partial eclipsecore.SolarEclipsePartialFootprintsInfo,
central *eclipsecore.SolarEclipsePath,
options TimeMarkerOptions,
) ([]byte, error)
MarshalStarOccultation(path moon.StarOccultationPath) ([]byte, error)
MarshalStarOccultationFootprint(instant moon.StarOccultationInstant) ([]byte, error)
MarshalStarOccultationWithTimeMarkers(
path moon.StarOccultationPath,
options TimeMarkerOptions,
) ([]byte, error)
}
var _ contextAPI = (*Generator)(nil)
func TestContextModuleIsolation(t *testing.T) {
previous := basic.GetEphemerisModel()
t.Cleanup(func() { basic.SetEphemerisModel(previous) })
for _, model := range []ephem.Model{ephem.Legacy, ephem.Semianalytic} {
basic.SetEphemerisModel(basic.EphemerisModel(model))
info, ok := eclipsecore.LunarEclipseOnDateWithInstance(time.Date(2024, 3, 25, 0, 0, 0, 0, time.UTC), ephem.NewModelInstance(model))
if !ok {
t.Fatal("known lunar eclipse not found")
}
want, wantErr := MarshalLunarEclipse(info, 12)
module := NewWithInstance(ephem.NewModelInstance(model))
basic.SetEphemerisModel(basic.EphemerisModel(1 - int(model)))
got, gotErr := module.MarshalLunarEclipse(info, 12)
if gotErr != nil || wantErr != nil || string(got) != string(want) {
t.Fatalf("model %d: GeoJSON escaped instance: %v/%v", model, gotErr, wantErr)
}
}
}