chore: proxy improvements (#3121)

* introduce global interceptors

* move proxy stuff to new folder

* implement resp framer

* properly handle request/response and push

* add global interceptor

packages/test-utils/lib/proxy/resp-queue.ts

@@ -0,0 +1,43 @@
+import { EventEmitter } from "node:events";
+import RespFramer from "./resp-framer";
+import { Socket } from "node:net";
+
+interface Request {
+  resolve: (data: Buffer) => void;
+  reject: (reason: any) => void;
+}
+
+export default class RespQueue extends EventEmitter {
+  queue: Request[] = [];
+  respFramer: RespFramer = new RespFramer();
+
+  constructor(private serverSocket: Socket) {
+    super();
+    this.respFramer.on("message", (msg) => this.handleMessage(msg));
+    this.serverSocket.on("data", (data) => this.respFramer.write(data));
+  }
+
+  handleMessage(data: Buffer) {
+    const request = this.queue.shift();
+    if (request) {
+      request.resolve(data);
+    } else {
+      this.emit("push", data);
+    }
+  }
+
+  request(data: Buffer): Promise<Buffer> {
+    let resolve: (data: Buffer) => void;
+    let reject: (reason: any) => void;
+
+    const promise = new Promise<Buffer>((rs, rj) => {
+      resolve = rs;
+      reject = rj;
+    });
+
+    //@ts-ignore
+    this.queue.push({ resolve, reject });
+    this.serverSocket.write(data);
+    return promise;
+  }
+}