MCP server at POST /mcp (official SDK, stateless Streamable HTTP) (#11)

src/mesh/mesh.service.spec.ts

@@ -1,62 +1,20 @@
 import { create, fromBinary, toBinary } from '@bufbuild/protobuf';
 import * as P from '@meshtastic/protobufs';
-import * as net from 'node:net';
-import type { AddressInfo } from 'node:net';
 import { describe, expect, it } from 'vitest';
 import { BROADCAST_ADDR, extractFrames, frame } from './codec.js';
+import {
+  KAMIL_NUM,
+  kamilNodeInfo,
+  nodeInfoFrame,
+  startBridge,
+  waitFor,
+} from './fake-bridge.js';
 import { MeshService } from './mesh.service.js';
 
-function startBridge(onSocket?: (s: net.Socket) => void): Promise<{
-  port: number;
-  sockets: net.Socket[];
-  close: () => void;
-}> {
-  const sockets: net.Socket[] = [];
-  const server = net.createServer((socket) => {
-    onSocket?.(socket); // attached at accept time, before any data can arrive
-    sockets.push(socket);
-  });
-  return new Promise((resolve) => {
-    server.listen(0, '127.0.0.1', () => {
-      resolve({
-        port: (server.address() as AddressInfo).port,
-        sockets,
-        close: () => server.close(),
-      });
-    });
-  });
-}
-
-async function waitFor(
-  cond: () => boolean | Promise<boolean>,
-  timeoutMs = 5000,
-): Promise<void> {
-  const t0 = Date.now();
-  while (!(await cond())) {
-    if (Date.now() - t0 > timeoutMs) throw new Error('timed out waiting');
-    await new Promise((r) => setTimeout(r, 10));
-  }
-}
-
-function nodeInfoFrame(
-  num: number,
-  fields?: Partial<P.Mesh.NodeInfo>,
-): Uint8Array {
-  const ni = create(P.Mesh.NodeInfoSchema, { num, ...fields });
-  return frame(
-    toBinary(
-      P.Mesh.FromRadioSchema,
-      create(P.Mesh.FromRadioSchema, {
-        payloadVariant: { case: 'nodeInfo', value: ni },
-      }),
-    ),
-  );
-}
-
 // live position update: POSITION_APP packet with a serialized Position in Data.payload
 function positionPacketFrame(
   from: number,
-  pos: Partial<P.Mesh.Position>,
+  pos: { latitudeI?: number; longitudeI?: number },
 ): Uint8Array {
   const data = create(P.Mesh.DataSchema, {
     portnum: P.Portnums.PortNum.POSITION_APP,
@@ -80,7 +38,6 @@ function positionPacketFrame(
   );
 }
 
-const KAMIL_NUM = 123456789;
 // inbound text message: TEXT_MESSAGE_APP packet with UTF-8 in Data.payload
 function textPacketFrame(
   from: number,
@@ -138,19 +95,6 @@ function routingFrame(
     ),
   );
 }
-function kamilNodeInfo(): Partial<P.Mesh.NodeInfo> {
-  return {
-    user: {
-      id: '!kamil',
-      longName: 'Kamil SP8MK/P',
-      shortName: 'KK',
-      hwModel: P.Mesh.HardwareModel.TBEAM,
-    },
-    position: { latitudeI: 521049637, longitudeI: 209833152, altitude: 123 },
-    lastHeard: 1758000000,
-    deviceMetrics: { batteryLevel: 87 },
-  };
-}
 
 function channelFrame(
   index: number,