1 files changed, 47 insertions, 0 deletions
diff --git a/internal/game/cmd_room_reconcile_regression_test.go b/internal/game/cmd_room_reconcile_regression_test.go
new file mode 100644
index 0000000..790cb00
--- /dev/null
+++ b/internal/game/cmd_room_reconcile_regression_test.go
@@ -0,0 +1,47 @@
+package game
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"thehouseoficarus/internal/player"
+)
+
+// TestRoomAddMobReconcilesLiveState: the in-game room editor used to write the
+// YAML but leave the live room untouched, so an added mob did not appear until
+// the room was re-entered or the server restarted. A successful room edit must
+// reconcile runtime state like the admin editor does.
+func TestRoomAddMobReconcilesLiveState(t *testing.T) {
+	dir := t.TempDir()
+	for _, sub := range []string{"mobs", "rooms"} {
+		if err := os.MkdirAll(filepath.Join(dir, sub), 0755); err != nil {
+			t.Fatal(err)
+		}
+	}
+	if err := os.WriteFile(filepath.Join(dir, "mobs", "rat.yaml"),
+		[]byte("id: rat\nname: giant rat\ndescription: A scruffy rat.\ncombat:\n  stats:\n    hp: 5\n"), 0644); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(filepath.Join(dir, "rooms", "1.yaml"),
+		[]byte("name: Central\n"), 0644); err != nil {
+		t.Fatal(err)
+	}
+
+	g := newRemoveGame(t, dir)
+	sess := newRemoveSession(player.New("alice"))
+	sess.Player.RoomID = 1
+
+	if got := len(g.MobStore.MobsInRoom(1)); got != 0 {
+		t.Fatalf("room should start with no mobs, got %d", got)
+	}
+	g.roomAddMob(sess, []string{"rat"})
+	if got := len(g.MobStore.MobsInRoom(1)); got != 1 {
+		t.Fatalf("room addmob did not reconcile live state: %d mobs in room, want 1", got)
+	}
+	for _, m := range g.MobStore.MobsInRoom(1) {
+		if m.DefID != "rat" {
+			t.Fatalf("seeded mob DefID = %q, want rat", m.DefID)
+		}
+	}
+}