openclaw/src/webchat/server.test.ts

92 lines
2.8 KiB
TypeScript

import { describe, expect, test } from "vitest";
import { WebSocket } from "ws";
import {
startWebChatServer,
stopWebChatServer,
__forceWebChatSnapshotForTests,
__broadcastGatewayEventForTests,
} from "./server.js";
async function getFreePort(): Promise<number> {
const { createServer } = await import("node:net");
return await new Promise((resolve, reject) => {
const server = createServer();
server.listen(0, "127.0.0.1", () => {
const port = (server.address() as any).port as number;
server.close((err: Error | null) => (err ? reject(err) : resolve(port)));
});
});
}
function onceMessage<T = any>(ws: WebSocket, filter: (obj: any) => boolean, timeoutMs = 8000) {
return new Promise<T>((resolve, reject) => {
const timer = setTimeout(() => reject(new Error("timeout")), timeoutMs);
const closeHandler = (code: number, reason: Buffer) => {
clearTimeout(timer);
ws.off("message", handler);
reject(new Error(`closed ${code}: ${reason.toString()}`));
};
const handler = (data: WebSocket.RawData) => {
const obj = JSON.parse(String(data));
if (filter(obj)) {
clearTimeout(timer);
ws.off("message", handler);
ws.off("close", closeHandler);
resolve(obj as T);
}
};
ws.on("message", handler);
ws.once("close", closeHandler);
});
}
describe("webchat server", () => {
test("hydrates snapshot to new sockets (offline mock)", { timeout: 8000 }, async () => {
const wPort = await getFreePort();
await startWebChatServer(wPort, undefined, { disableGateway: true });
const ws = new WebSocket(`ws://127.0.0.1:${wPort}/webchat/socket?session=test`);
const messages: any[] = [];
ws.on("message", (data) => {
try {
messages.push(JSON.parse(String(data)));
} catch {
/* ignore */
}
});
try {
await new Promise<void>((resolve) => ws.once("open", resolve));
__forceWebChatSnapshotForTests({
presence: [],
health: {},
stateVersion: { presence: 1, health: 1 },
uptimeMs: 0,
});
const waitFor = async (pred: (m: any) => boolean, label: string) => {
const start = Date.now();
while (Date.now() - start < 3000) {
const found = messages.find((m) => {
try {
return pred(m);
} catch {
return false;
}
});
if (found) return found;
await new Promise((resolve) => setTimeout(resolve, 10));
}
throw new Error(`timeout waiting for ${label}`);
};
await waitFor((m) => m?.type === "session", "session");
const snap = await waitFor((m) => m?.type === "gateway-snapshot", "snapshot");
expect(snap.snapshot?.stateVersion?.presence).toBe(1);
} finally {
ws.close();
await stopWebChatServer();
}
});
});