feat: add ranked season maintenance role

server/store/maintenance_sql_test.go

@@ -0,0 +1,28 @@
+package store
+
+import (
+	"testing"
+	"time"
+)
+
+func TestMaintenanceSQLEnumeratesOnlyUnrolledRankedPlayers(t *testing.T) {
+	for _, fragment := range []string{"s.playlist = 'ranked'", "ends_at <= $1", "rr.player_id IS NULL", "ORDER BY s.ends_at", "LIMIT $2"} {
+		if !contains(DueSeasonRolloversSQL, fragment) {
+			t.Fatalf("due query missing %q", fragment)
+		}
+	}
+	for _, fragment := range []string{"rolled_over_at IS NULL", "NOT EXISTS", "ranked_season_rollovers"} {
+		if !contains(MarkSeasonRolledOverSQL, fragment) {
+			t.Fatalf("mark query missing %q", fragment)
+		}
+	}
+}
+
+func TestRolloverDueSeasonsRejectsUnboundedMaintenance(t *testing.T) {
+	if _, err := RolloverDueSeasons(nil, nil, time.Unix(1000, 0), 0); err == nil {
+		t.Fatal("zero batch accepted")
+	}
+	if _, err := RolloverDueSeasons(nil, nil, time.Unix(1000, 0), 1001); err == nil {
+		t.Fatal("oversized batch accepted")
+	}
+}