From d4bde67e0ffcd7ae33e67b119d4bf907add628bd Mon Sep 17 00:00:00 2001
From: Josh Creek <8179928+jcreek@users.noreply.github.com>
Date: Tue, 1 Sep 2026 21:13:04 +0100
Subject: [PATCH] test(multiplayer): harden ranked arena provider boundary

---
 server/agones/allocation_test.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/server/agones/allocation_test.go b/server/agones/allocation_test.go
index f94a2eec..f0f94d59 100644
--- a/server/agones/allocation_test.go
+++ b/server/agones/allocation_test.go
@@ -17,6 +17,18 @@ func request() domain.AllocationRequest {
 	return domain.AllocationRequest{AllocationID: "allocation-1", MatchID: "match-1", Region: "EU", Build: "build-1", Protocol: 1, Transport: "enet"}
 }
 
+func TestAllocateRejectsRankedRequestsWithoutRegisteredArena(t *testing.T) {
+	client := Client{BaseURL: "http://127.0.0.1:1", Namespace: "games"}
+	for _, path := range []string{"", "res://scenes/arena_01_elevated.tscn", "res://forged.tscn"} {
+		req := request()
+		req.Playlist = domain.Ranked
+		req.ArenaPath = path
+		if _, err := client.Allocate(context.Background(), req, map[string]string{"region": "EU"}, time.Unix(1000, 0)); err != domain.ErrAllocationInput {
+			t.Fatalf("ranked arena path %q returned %v, want ErrAllocationInput", path, err)
+		}
+	}
+}
+
 func TestAllocateBuildsStrictGameServerAllocationAndEndpoint(t *testing.T) {
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		if r.Method != http.MethodPost || r.URL.Path != "/apis/allocation.agones.dev/v1/namespaces/games/gameserverallocations" {