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package calendar
import "testing"
func TestChristmasIsSolemnity(t *testing.T) {
got := Compute(d("2025-12-25"), DefaultSelection(), []Layer{universalTest()})
if got.Season != Christmas || got.Observed.Slug != "christmas" || got.Observed.Rank != RankSolemnity {
t.Errorf("2025-12-25 = %s/%s/%v, want christmas/solemnity", got.Season, got.Observed.Slug, got.Observed.Rank)
}
}
func TestFeastOfLordReplacesSunday(t *testing.T) {
// A feast of the Lord (band 5) must replace an Ordinary Sunday (band 6);
// a saint's feast (band 7) must not. 2025-08-10 is an Ordinary Sunday.
layer := Layer{ID: "universal", Cels: map[string]RawCelebration{
"transfiguration-test": {Fields: map[string]string{"date": "08-10", "rank": "feast", "class": "lord", "name.en": "L"}, Variants: map[string]map[string]string{}},
}}
got := Compute(d("2025-08-10"), DefaultSelection(), []Layer{layer})
if got.Observed.Slug != "transfiguration-test" {
t.Errorf("feast of the Lord did not replace the Sunday: observed %q", got.Observed.Slug)
}
saintLayer := Layer{ID: "universal", Cels: map[string]RawCelebration{
"a-saint": {Fields: map[string]string{"date": "08-10", "rank": "feast", "class": "saint", "name.en": "S"}, Variants: map[string]map[string]string{}},
}}
got2 := Compute(d("2025-08-10"), DefaultSelection(), []Layer{saintLayer})
if got2.Observed.Layer != "temporal" {
t.Errorf("a saint's feast must not replace the Sunday: observed %q", got2.Observed.Slug)
}
}
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