1 files changed, 38 insertions, 0 deletions
diff --git a/internal/caldata/of_test.go b/internal/caldata/of_test.go
new file mode 100644
index 0000000..7bc2ce1
--- /dev/null
+++ b/internal/caldata/of_test.go
@@ -0,0 +1,38 @@
+package caldata
+
+import (
+	"testing"
+	"time"
+
+	"github.com/lukaszkasprzak/lectio/internal/calendar"
+)
+
+func TestOFReadingsByCycle(t *testing.T) {
+	// A synthetic OF day keyed christ-the-king-A must resolve to Matt 25.
+	day := calendar.LiturgicalDay{
+		Observed:    calendar.Celebration{Slug: "christ-the-king", Layer: "temporal"},
+		SundayCycle: "A",
+		Weekday:     time.Sunday,
+	}
+	sel := calendar.Selection{Form: "new"}
+	rs := Readings(sel, nil, time.Date(2026, 11, 22, 0, 0, 0, 0, time.UTC), day)
+	var gospel string
+	for _, r := range rs {
+		if r.Part == "gospel" {
+			gospel = r.Citation
+		}
+	}
+	if gospel == "" || gospel[:4] != "Matt" {
+		t.Fatalf("christ-the-king-A gospel = %q, want Matt…", gospel)
+	}
+}
+
+func TestOFWeekdayEmpty(t *testing.T) {
+	day := calendar.LiturgicalDay{
+		Observed: calendar.Celebration{Slug: "ordinary-weekday", Layer: "temporal"},
+		Weekday:  time.Wednesday, // no SundayCycle key -> deferred phase -> empty
+	}
+	if rs := Readings(calendar.Selection{Form: "new"}, nil, time.Now().UTC(), day); len(rs) != 0 {
+		t.Fatalf("weekday should be empty, got %v", rs)
+	}
+}