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package calendar
import (
"testing"
"time"
)
func d(s string) time.Time {
t, _ := time.Parse("2006-01-02", s)
return t.UTC()
}
func TestTemporalSeasons(t *testing.T) {
sel := DefaultSelection()
cases := []struct {
date string
season Season
}{
{"2025-12-01", Advent}, // Mon after Advent I (2025 Advent I = Nov 30)
{"2025-12-25", Christmas}, // Christmas
{"2025-03-05", Lent}, // Ash Wednesday 2025
{"2025-04-20", Easter_}, // Easter Sunday 2025
{"2025-07-15", Ordinary}, // deep Ordinary Time
}
for _, c := range cases {
got := temporal(d(c.date), sel)
if got.Season != c.season {
t.Errorf("temporal(%s).Season = %s, want %s", c.date, got.Season, c.season)
}
}
}
func TestTemporalPrivilegedSunday(t *testing.T) {
// 2nd Sunday of Advent 2025 (Dec 7) is privileged and violet.
td := temporal(d("2025-12-07"), DefaultSelection())
if !td.Privileged {
t.Error("Sunday of Advent must be privileged")
}
if td.Colour != Violet {
t.Errorf("Advent colour = %s want violet", td.Colour)
}
}
func TestMovableSolemnities(t *testing.T) {
// Corpus Christi 2025 (Thursday, easter+60) = 2025-06-19.
td := temporal(d("2025-06-19"), DefaultSelection())
if td.Cel.Slug != "corpus-christi" {
t.Errorf("2025-06-19 temporal slug = %q want corpus-christi", td.Cel.Slug)
}
if td.Rank != RankSolemnity {
t.Error("Corpus Christi must be a solemnity")
}
}
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