test(discord): assert exact close reason truncation

steipete · steipete · commit 143d723f2477 · 2026-07-09T04:18:58.000+01:00
diff --git a/extensions/discord/src/monitor/gateway-plugin.test.ts b/extensions/discord/src/monitor/gateway-plugin.test.ts
@@ -102,25 +102,6 @@ describe("createDiscordGatewayPlugin", () => {
     });
   }
 
-  function containsLoneSurrogate(value: string): boolean {
-    for (let index = 0; index < value.length; index += 1) {
-      const code = value.charCodeAt(index);
-      if (code >= 0xd800 && code <= 0xdbff) {
-        const next = value.charCodeAt(index + 1);
-        if (!(next >= 0xdc00 && next <= 0xdfff)) {
-          return true;
-        }
-      }
-      if (code >= 0xdc00 && code <= 0xdfff) {
-        const previous = value.charCodeAt(index - 1);
-        if (!(previous >= 0xd800 && previous <= 0xdbff)) {
-          return true;
-        }
-      }
-    }
-    return false;
-  }
-
   it("omits GuildVoiceStates by default for text-only Discord configs", () => {
     expect(resolveDiscordGatewayIntents() & GatewayIntents.GuildVoiceStates).toBe(0);
   });
@@ -399,10 +380,10 @@ describe("createDiscordGatewayPlugin", () => {
 
     createdSocket.emit("close", 1008, Buffer.from(`${"A".repeat(239)}🧪 tail`));
 
-    const logs = runtime.log.mock.calls.map((call) => String(call[0])).join("\n");
-    expect(logs).toContain("discord: gateway websocket closed");
-    expect(logs).toContain("code=1008");
-    expect(containsLoneSurrogate(logs)).toBe(false);
-    expect(logs).not.toContain("�");
+    const log = String(runtime.log.mock.calls.at(-1)?.[0]);
+    expect(log).toContain("discord: gateway websocket closed");
+    expect(log).toContain("code=1008");
+    expect(log).toContain(`reason=${"A".repeat(239)}...`);
+    expect(log).toContain("hint=possible ws receiver buffered-parts limit");
   });
 });
