use random channel prefix for each test

Author: darrachequesne

test/util.ts

@@ -4,6 +4,7 @@ import { Server, type Socket as ServerSocket } from "socket.io";
 import { io as ioc, type Socket as ClientSocket } from "socket.io-client";
 import { Pool } from "pg";
 import { createAdapter } from "../lib";
+import { randomUUID } from "node:crypto";
 
 export function times(count: number, done: (err?: Error) => void) {
   let i = 0;
@@ -25,14 +26,15 @@ export function shouldNotHappen(done: (err?: Error) => void) {
   return () => done(new Error("should not happen"));
 }
 
-function createServerAndClient(pool: Pool) {
+function createServerAndClient(pool: Pool, channelPrefix: string) {
   const httpServer = createServer();
   const io = new Server(httpServer, {
     adapter: createAdapter(pool, {
       tableName: "events",
+      channelPrefix,
       errorHandler(err) {
         console.log("adapter error", err);
-      }
+      },
     }),
   });
 
@@ -78,6 +80,8 @@ export async function setup() {
     password: "changeit",
   });
 
+  const channelPrefix = randomUUID();
+
   await pool.query(
     `
       CREATE TABLE IF NOT EXISTS events (
@@ -90,9 +94,9 @@ export async function setup() {
   );
 
   const results = await Promise.all([
-    createServerAndClient(pool),
-    createServerAndClient(pool),
-    createServerAndClient(pool),
+    createServerAndClient(pool, channelPrefix),
+    createServerAndClient(pool, channelPrefix),
+    createServerAndClient(pool, channelPrefix),
   ]);
 
   const servers = results.map(({ io }) => io);