Files
nanobot/webui/src/tests/nanobot-client.test.ts
T

1836 lines
57 KiB
TypeScript

import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
import { NanobotClient } from "@/lib/nanobot-client";
/**
* Minimal fake WebSocket implementing the subset NanobotClient touches.
* Every instance is retrievable via ``FakeSocket.instances`` so tests can
* drive open/close/message lifecycles deterministically.
*/
class FakeSocket {
static instances: FakeSocket[] = [];
static readonly CONNECTING = 0;
static readonly OPEN = 1;
static readonly CLOSING = 2;
static readonly CLOSED = 3;
url: string;
readyState = FakeSocket.CONNECTING;
sent: string[] = [];
onopen: (() => void) | null = null;
onmessage: ((ev: MessageEvent) => void) | null = null;
onerror: (() => void) | null = null;
onclose: ((ev?: { code?: number }) => void) | null = null;
constructor(url: string) {
this.url = url;
FakeSocket.instances.push(this);
}
send(data: string) {
this.sent.push(data);
}
close() {
this.readyState = FakeSocket.CLOSED;
this.onclose?.();
}
/** Simulate a server-initiated drop with a specific wire-level close code
* (e.g. ``1009`` for Message Too Big). */
fakeCloseWithCode(code: number) {
this.readyState = FakeSocket.CLOSED;
this.onclose?.({ code });
}
fakeOpen() {
this.readyState = FakeSocket.OPEN;
this.onopen?.();
}
fakeMessage(payload: unknown) {
this.onmessage?.({ data: JSON.stringify(payload) } as MessageEvent);
}
}
function lastSocket(): FakeSocket {
const s = FakeSocket.instances.at(-1);
if (!s) throw new Error("no socket created yet");
return s;
}
beforeEach(() => {
FakeSocket.instances = [];
vi.useFakeTimers();
});
afterEach(() => {
Reflect.deleteProperty(window, "nanobotHost");
vi.useRealTimers();
});
describe("NanobotClient", () => {
it("routes events to the matching chat handler", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const handler = vi.fn();
client.onChat("chat-a", handler);
client.connect();
lastSocket().fakeOpen();
lastSocket().fakeMessage({ event: "message", chat_id: "chat-a", text: "hi" });
lastSocket().fakeMessage({ event: "message", chat_id: "chat-b", text: "no" });
expect(handler).toHaveBeenCalledTimes(1);
expect(handler.mock.calls[0][0]).toMatchObject({
event: "message",
chat_id: "chat-a",
text: "hi",
});
});
it("routes message acceptance acknowledgements to the matching chat handler", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const handler = vi.fn();
client.onChat("chat-ack", handler);
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-ack", "hello", undefined, { turnId: "turn-ack" });
lastSocket().fakeMessage({
event: "message_accepted",
chat_id: "chat-ack",
turn_id: "turn-ack",
});
expect(handler).toHaveBeenCalledWith({
event: "message_accepted",
chat_id: "chat-ack",
turn_id: "turn-ack",
});
});
it("can swap the socket factory when the runtime URL changes", () => {
const browserFactory = vi.fn(
(url: string) => new FakeSocket(`browser:${url}`) as unknown as WebSocket,
);
const hostFactory = vi.fn(
(url: string) => new FakeSocket(`host:${url}`) as unknown as WebSocket,
);
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: browserFactory,
});
client.connect();
expect(lastSocket().url).toBe("browser:ws://test");
client.close();
client.updateUrl("nanobot-host://engine/", hostFactory);
client.connect();
expect(hostFactory).toHaveBeenCalledWith("nanobot-host://engine/");
expect(lastSocket().url).toBe("host:nanobot-host://engine/");
});
it("uses the host socket bridge for native host URLs", async () => {
let socketEventHandler:
| ((event: { id: string; type: "open" | "close" | "error"; message?: string }) => void)
| null = null;
const openSocket = vi.fn(async () => "host-socket-1");
Object.defineProperty(window, "nanobotHost", {
configurable: true,
value: {
openSocket,
sendSocket: vi.fn(async () => undefined),
closeSocket: vi.fn(async () => undefined),
onSocketEvent: vi.fn((handler) => {
socketEventHandler = handler;
return vi.fn();
}),
},
});
const client = new NanobotClient({
url: "nanobot-host://engine/",
reconnect: false,
});
const status = vi.fn();
client.onStatus(status);
client.connect();
await Promise.resolve();
socketEventHandler?.({ id: "host-socket-1", type: "open" });
expect(openSocket).toHaveBeenCalledWith("nanobot-host://engine/");
expect(status).toHaveBeenLastCalledWith("open");
});
it("buffers chat events while no chat handler is registered and replays on subscribe", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
// Nobody listening yet — deltas must not be dropped (user switched away).
lastSocket().fakeMessage({ event: "delta", chat_id: "chat-queue", text: "a" });
lastSocket().fakeMessage({ event: "delta", chat_id: "chat-queue", text: "b" });
const handler = vi.fn();
client.onChat("chat-queue", handler);
expect(handler).toHaveBeenCalledTimes(2);
expect(handler.mock.calls[0][0]).toMatchObject({ event: "delta", text: "a" });
expect(handler.mock.calls[1][0]).toMatchObject({ event: "delta", text: "b" });
lastSocket().fakeMessage({ event: "delta", chat_id: "chat-queue", text: "c" });
expect(handler).toHaveBeenCalledTimes(3);
});
it("records goal_status run strip without an onChat subscriber", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
lastSocket().fakeMessage({
event: "goal_status",
chat_id: "chat-strip",
status: "running",
started_at: 12_345,
});
expect(client.getRunStartedAt("chat-strip")).toBe(12_345);
lastSocket().fakeMessage({
event: "goal_status",
chat_id: "chat-strip",
status: "idle",
});
expect(client.getRunStartedAt("chat-strip")).toBeNull();
});
it("clears stale run strip when reconnecting after a dropped socket", async () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: true,
maxBackoffMs: 10,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const handler = vi.fn();
client.onRunStatus(handler);
client.connect();
lastSocket().fakeOpen();
lastSocket().fakeMessage({
event: "goal_status",
chat_id: "chat-strip",
status: "running",
started_at: 12_345,
});
lastSocket().close();
expect(client.getRunStartedAt("chat-strip")).toBeNull();
expect(handler).toHaveBeenLastCalledWith("chat-strip", null);
await vi.advanceTimersByTimeAsync(20);
expect(FakeSocket.instances.length).toBeGreaterThan(1);
});
it("clears run strip when a turn_end arrives without idle", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const handler = vi.fn();
client.onRunStatus(handler);
client.connect();
lastSocket().fakeOpen();
lastSocket().fakeMessage({
event: "goal_status",
chat_id: "chat-strip",
status: "running",
started_at: 12_345,
});
lastSocket().fakeMessage({
event: "turn_end",
chat_id: "chat-strip",
});
expect(client.getRunStartedAt("chat-strip")).toBeNull();
expect(handler).toHaveBeenLastCalledWith("chat-strip", null);
});
it("rejects a completed snapshot when a newer run is not represented", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
const requestGeneration = client.getRunGeneration("chat-race");
lastSocket().fakeMessage({
event: "goal_status",
chat_id: "chat-race",
status: "running",
started_at: 12_345,
turn_id: "turn-new",
});
expect(
client.reconcileCanonicalCompletion("chat-race", requestGeneration, ["turn-old"]),
).toBe(false);
expect(client.getRunStartedAt("chat-race")).toBe(12_345);
});
it("rejects a user-only snapshot for a submitted turn that has not completed", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-submitted", "question", undefined, { turnId: "turn-submitted" });
const requestGeneration = client.getRunGeneration("chat-submitted");
expect(
client.reconcileCanonicalCompletion("chat-submitted", requestGeneration, []),
).toBe(false);
});
it("does not register injected guidance as an independently unsettled run", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
lastSocket().fakeMessage({
event: "goal_status",
chat_id: "chat-guidance",
status: "running",
started_at: 12_345,
turn_id: "turn-active",
});
const requestGeneration = client.getRunGeneration("chat-guidance");
client.sendMessage("chat-guidance", "focus on sources", undefined, {
turnId: "turn-guidance",
startsNewRun: false,
});
expect(client.getRunGeneration("chat-guidance")).toBe(requestGeneration);
expect(
client.reconcileCanonicalCompletion(
"chat-guidance",
requestGeneration,
["turn-active"],
),
).toBe(true);
});
it("accepts an explicitly completed turn with no assistant row", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-empty-answer", "question", undefined, {
turnId: "turn-empty-answer",
});
const requestGeneration = client.getRunGeneration("chat-empty-answer");
expect(
client.reconcileCanonicalCompletion(
"chat-empty-answer",
requestGeneration,
["turn-empty-answer"],
),
).toBe(true);
});
it.each([
"message_rejected",
"attachment_rejected",
"workspace_scope_rejected",
])("settles a specifically rejected outbound turn (%s)", (detail) => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-rejected", "question", undefined, {
turnId: "turn-rejected",
});
const requestGeneration = client.getRunGeneration("chat-rejected");
expect(
client.reconcileCanonicalCompletion("chat-rejected", requestGeneration, []),
).toBe(false);
lastSocket().fakeMessage({
event: "error",
chat_id: "chat-rejected",
turn_id: "turn-rejected",
detail,
reason: "policy",
});
expect(
client.reconcileCanonicalCompletion("chat-rejected", requestGeneration, []),
).toBe(true);
});
it("does not let an older rejection settle or stop a newer run", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-rejection-race", "first", undefined, {
turnId: "turn-old",
});
client.sendMessage("chat-rejection-race", "second", undefined, {
turnId: "turn-new",
});
lastSocket().fakeMessage({
event: "goal_status",
chat_id: "chat-rejection-race",
status: "running",
started_at: 2_000,
turn_id: "turn-new",
});
const requestGeneration = client.getRunGeneration("chat-rejection-race");
lastSocket().fakeMessage({
event: "error",
chat_id: "chat-rejection-race",
turn_id: "turn-old",
detail: "message_rejected",
reason: "text_too_large",
});
expect(client.getRunStartedAt("chat-rejection-race")).toBe(2_000);
expect(
client.reconcileCanonicalCompletion("chat-rejection-race", requestGeneration, []),
).toBe(false);
});
it("restores the previous turn clock when the newer running turn is rejected", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-reject-newer-clock", "first", undefined, {
turnId: "turn-clock-first",
});
lastSocket().fakeMessage({
event: "goal_status",
chat_id: "chat-reject-newer-clock",
status: "running",
started_at: 1_000,
turn_id: "turn-clock-first",
});
client.sendMessage("chat-reject-newer-clock", "second", undefined, {
turnId: "turn-clock-second",
});
lastSocket().fakeMessage({
event: "goal_status",
chat_id: "chat-reject-newer-clock",
status: "running",
started_at: 2_000,
turn_id: "turn-clock-second",
});
lastSocket().fakeMessage({
event: "error",
chat_id: "chat-reject-newer-clock",
turn_id: "turn-clock-second",
detail: "message_rejected",
});
expect(client.getRunStartedAt("chat-reject-newer-clock")).toBe(1_000);
expect(client.hasUnsettledRun("chat-reject-newer-clock")).toBe(true);
});
it("rolls back lifecycle sends that close 1009 before server acceptance", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const errors: Array<{ kind: string; chatId?: string; turnId?: string }> = [];
client.onError((error) => errors.push(error));
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-too-big", "oversized", undefined, {
turnId: "turn-too-big",
});
const requestGeneration = client.getRunGeneration("chat-too-big");
lastSocket().fakeCloseWithCode(1009);
expect(errors).toEqual([{
kind: "message_too_big",
chatId: "chat-too-big",
turnId: "turn-too-big",
}]);
expect(
client.reconcileCanonicalCompletion("chat-too-big", requestGeneration, []),
).toBe(true);
});
it("preserves an accepted older run when a newer send closes 1009", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const errors: Array<{ kind: string; chatId?: string; turnId?: string }> = [];
client.onError((error) => errors.push(error));
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-too-big-race", "first", undefined, {
turnId: "turn-accepted",
});
lastSocket().fakeMessage({
event: "message_accepted",
chat_id: "chat-too-big-race",
turn_id: "turn-accepted",
});
lastSocket().fakeMessage({
event: "goal_status",
chat_id: "chat-too-big-race",
status: "running",
started_at: 1_000,
turn_id: "turn-accepted",
});
client.sendMessage("chat-too-big-race", "oversized", undefined, {
turnId: "turn-rejected",
});
const requestGeneration = client.getRunGeneration("chat-too-big-race");
lastSocket().fakeCloseWithCode(1009);
expect(errors).toEqual([{
kind: "message_too_big",
chatId: "chat-too-big-race",
turnId: "turn-rejected",
}]);
expect(client.getRunStartedAt("chat-too-big-race")).toBe(1_000);
expect(
client.reconcileCanonicalCompletion(
"chat-too-big-race",
requestGeneration,
[],
),
).toBe(false);
});
it("does not roll back a lifecycle send after its acceptance ACK", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-accepted", "question", undefined, {
turnId: "turn-accepted",
});
const requestGeneration = client.getRunGeneration("chat-accepted");
lastSocket().fakeMessage({
event: "message_accepted",
chat_id: "chat-accepted",
turn_id: "turn-accepted",
});
lastSocket().fakeCloseWithCode(1009);
expect(
client.reconcileCanonicalCompletion("chat-accepted", requestGeneration, []),
).toBe(false);
});
it("preflights exact websocket frame bytes and rejects only the oversized turn", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
maxFrameBytes: 180,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const errors: Array<{ kind: string; chatId?: string; turnId?: string }> = [];
client.onError((error) => errors.push(error));
client.connect();
lastSocket().fakeOpen();
const sentBefore = lastSocket().sent.length;
client.sendMessage("chat-preflight-size", "x".repeat(500), undefined, {
turnId: "turn-preflight-size",
});
expect(lastSocket().sent).toHaveLength(sentBefore);
expect(client.hasUnsettledRun("chat-preflight-size")).toBe(false);
expect(errors).toEqual([{
kind: "message_too_big",
chatId: "chat-preflight-size",
turnId: "turn-preflight-size",
}]);
});
it("does not attribute a fallback 1009 close across multiple unacknowledged chats", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const errors: Array<{ kind: string; chatId?: string; turnId?: string }> = [];
client.onError((error) => errors.push(error));
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-size-a", "first", undefined, { turnId: "turn-size-a" });
client.sendMessage("chat-size-b", "second", undefined, { turnId: "turn-size-b" });
lastSocket().fakeCloseWithCode(1009);
expect(errors).toEqual([{ kind: "message_too_big" }]);
expect(client.hasUnsettledRun("chat-size-a")).toBe(true);
expect(client.hasUnsettledRun("chat-size-b")).toBe(true);
});
it("does not attribute 1009 to an unacknowledged message when another frame followed it", async () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const errors: Array<{ kind: string; chatId?: string; turnId?: string }> = [];
client.onError((error) => errors.push(error));
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-before-audio", "question", undefined, {
turnId: "turn-before-audio",
});
const transcription = client.transcribeAudio("data:audio/webm;base64,AAAA");
lastSocket().fakeCloseWithCode(1009);
await expect(transcription).rejects.toThrow("socket closed");
expect(errors).toEqual([{ kind: "message_too_big" }]);
expect(client.hasUnsettledRun("chat-before-audio")).toBe(true);
});
it("settles an unknown send absent from an idle canonical snapshot after disconnect", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-never-arrived", "question", undefined, {
turnId: "turn-never-arrived",
});
const requestGeneration = client.getRunGeneration("chat-never-arrived");
lastSocket().close();
const snapshot = {
observedTurnIds: [],
hasPendingToolCalls: false,
activeTurnId: null,
};
expect(
client.canReconcileCanonicalCompletion(
"chat-never-arrived",
requestGeneration,
[],
snapshot,
),
).toBe(true);
expect(
client.reconcileCanonicalCompletion(
"chat-never-arrived",
requestGeneration,
[],
snapshot,
),
).toBe(true);
expect(client.hasUnsettledRun("chat-never-arrived")).toBe(false);
});
it("keeps an ACK-lost observed turn active, then settles it from an idle snapshot", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-ack-lost", "question", undefined, {
turnId: "turn-ack-lost",
});
const requestGeneration = client.getRunGeneration("chat-ack-lost");
lastSocket().close();
expect(
client.canReconcileCanonicalCompletion(
"chat-ack-lost",
requestGeneration,
[],
{
observedTurnIds: ["turn-ack-lost"],
hasPendingToolCalls: true,
activeTurnId: "turn-ack-lost",
},
),
).toBe(false);
expect(
client.reconcileCanonicalCompletion(
"chat-ack-lost",
requestGeneration,
[],
{
observedTurnIds: ["turn-ack-lost"],
hasPendingToolCalls: false,
activeTurnId: null,
},
),
).toBe(true);
expect(client.hasUnsettledRun("chat-ack-lost")).toBe(false);
});
it("settles an accepted turn that never reached running from canonical idle", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-accepted-idle", "question", undefined, {
turnId: "turn-accepted-idle",
});
const requestGeneration = client.getRunGeneration("chat-accepted-idle");
lastSocket().fakeMessage({
event: "message_accepted",
chat_id: "chat-accepted-idle",
turn_id: "turn-accepted-idle",
});
expect(
client.reconcileCanonicalCompletion(
"chat-accepted-idle",
requestGeneration,
[],
{
observedTurnIds: ["turn-accepted-idle"],
hasPendingToolCalls: false,
activeTurnId: null,
},
),
).toBe(true);
expect(client.hasUnsettledRun("chat-accepted-idle")).toBe(false);
});
it("does not let a pre-send idle response erase a newly accepted turn", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
const requestGeneration = client.getRunGeneration("chat-stale-idle");
client.sendMessage("chat-stale-idle", "question", undefined, {
turnId: "turn-after-request",
});
lastSocket().fakeMessage({
event: "message_accepted",
chat_id: "chat-stale-idle",
turn_id: "turn-after-request",
});
expect(
client.reconcileCanonicalCompletion(
"chat-stale-idle",
requestGeneration,
[],
{
observedTurnIds: [],
hasPendingToolCalls: false,
activeTurnId: null,
},
),
).toBe(false);
expect(client.hasUnsettledRun("chat-stale-idle")).toBe(true);
});
it("correlates a legacy rejection only to one currently sent turn", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const errors: Array<{ kind: string; chatId?: string; turnId?: string }> = [];
client.onError((error) => errors.push(error));
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-legacy-reject", "question", undefined, {
turnId: "turn-legacy-reject",
});
lastSocket().fakeMessage({
event: "error",
chat_id: "chat-legacy-reject",
detail: "message_rejected",
reason: "text_too_large",
});
expect(client.hasUnsettledRun("chat-legacy-reject")).toBe(false);
expect(errors).toEqual([expect.objectContaining({
kind: "turn_rejected",
chatId: "chat-legacy-reject",
turnId: "turn-legacy-reject",
})]);
});
it("correlates legacy lifecycle completion when exactly one turn is unsettled", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const handler = vi.fn();
client.onChat("chat-legacy-idle", handler);
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-legacy-idle", "question", undefined, {
turnId: "turn-legacy-idle",
});
lastSocket().fakeMessage({
event: "goal_status",
chat_id: "chat-legacy-idle",
status: "running",
started_at: 4321,
});
lastSocket().fakeMessage({
event: "goal_status",
chat_id: "chat-legacy-idle",
status: "idle",
});
expect(client.hasUnsettledRun("chat-legacy-idle")).toBe(false);
expect(client.getRunStartedAt("chat-legacy-idle")).toBeNull();
expect(handler).toHaveBeenLastCalledWith(expect.objectContaining({
event: "goal_status",
status: "idle",
turn_id: "turn-legacy-idle",
}));
});
it("does not apply an uncorrelated legacy idle to multiple unsettled turns", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const handler = vi.fn();
client.onChat("chat-legacy-ambiguous", handler);
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-legacy-ambiguous", "first", undefined, {
turnId: "turn-legacy-first",
});
client.sendMessage("chat-legacy-ambiguous", "second", undefined, {
turnId: "turn-legacy-second",
});
handler.mockClear();
lastSocket().fakeMessage({
event: "goal_status",
chat_id: "chat-legacy-ambiguous",
status: "idle",
});
expect(client.hasUnsettledRun("chat-legacy-ambiguous")).toBe(true);
expect(handler).not.toHaveBeenCalled();
});
it("does not correlate a legacy scope error to an already accepted turn", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const errors: Array<{ kind: string; chatId?: string; turnId?: string }> = [];
client.onError((error) => errors.push(error));
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-legacy-scope", "question", undefined, {
turnId: "turn-already-accepted",
});
lastSocket().fakeMessage({
event: "message_accepted",
chat_id: "chat-legacy-scope",
turn_id: "turn-already-accepted",
});
lastSocket().fakeMessage({
event: "error",
chat_id: "chat-legacy-scope",
detail: "workspace_scope_rejected",
reason: "chat_running",
});
expect(client.hasUnsettledRun("chat-legacy-scope")).toBe(true);
expect(errors).toEqual([{
kind: "workspace_scope_rejected",
reason: "chat_running",
chatId: "chat-legacy-scope",
turnId: undefined,
}]);
});
it("does not correlate a scope-control rejection to a preceding unacknowledged message", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-scope-control", "question", undefined, {
turnId: "turn-before-scope-control",
});
client.setWorkspaceScope("chat-scope-control", {
project_path: "/tmp/project",
project_name: "project",
access_mode: "restricted",
});
lastSocket().fakeMessage({
event: "error",
chat_id: "chat-scope-control",
detail: "workspace_scope_rejected",
reason: "chat_running",
});
expect(client.hasUnsettledRun("chat-scope-control")).toBe(true);
});
it("does not correlate a new-chat scope rejection to an unrelated sent turn", async () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-unrelated-scope", "question", undefined, {
turnId: "turn-unrelated-scope",
});
const pendingChat = client.newChat(5_000, {
project_path: "/missing",
project_name: "missing",
access_mode: "restricted",
});
lastSocket().fakeMessage({
event: "error",
detail: "workspace_scope_rejected",
reason: "project_path must be an existing directory",
});
await expect(pendingChat).rejects.toThrow("workspace_scope_rejected");
expect(client.hasUnsettledRun("chat-unrelated-scope")).toBe(true);
});
it("rejects a correlated system command instead of leaving it pending", async () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
const pending = client.sendSystemCommand("chat-system-reject", "/model invalid");
const sent = JSON.parse(lastSocket().sent.at(-1) ?? "{}") as { turn_id?: string };
expect(sent.turn_id).toMatch(/^webui-system:/);
lastSocket().fakeMessage({
event: "error",
chat_id: "chat-system-reject",
turn_id: sent.turn_id,
detail: "message_rejected",
reason: "invalid_command",
});
await expect(pending).rejects.toThrow("message_rejected:invalid_command");
});
it("ignores a delayed idle event from an older turn after a new run starts", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const chatHandler = vi.fn();
const runHandler = vi.fn();
client.onChat("chat-delayed-idle", chatHandler);
client.onRunStatus(runHandler);
client.connect();
lastSocket().fakeOpen();
lastSocket().fakeMessage({
event: "goal_status",
chat_id: "chat-delayed-idle",
status: "running",
started_at: 1_000,
turn_id: "turn-old",
});
client.sendMessage("chat-delayed-idle", "next question", undefined, {
turnId: "turn-new",
});
lastSocket().fakeMessage({
event: "goal_status",
chat_id: "chat-delayed-idle",
status: "running",
started_at: 2_000,
turn_id: "turn-new",
});
chatHandler.mockClear();
runHandler.mockClear();
lastSocket().fakeMessage({
event: "goal_status",
chat_id: "chat-delayed-idle",
status: "idle",
turn_id: "turn-old",
});
expect(client.getRunStartedAt("chat-delayed-idle")).toBe(2_000);
expect(runHandler).not.toHaveBeenCalled();
expect(chatHandler).not.toHaveBeenCalled();
});
it("accepts a completed snapshot that represents a delayed running frame", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
const requestGeneration = client.getRunGeneration("chat-delayed-run");
lastSocket().fakeMessage({
event: "goal_status",
chat_id: "chat-delayed-run",
status: "running",
started_at: 12_345,
turn_id: "turn-complete",
});
expect(
client.reconcileCanonicalCompletion(
"chat-delayed-run",
requestGeneration,
["turn-complete"],
),
).toBe(true);
expect(client.getRunStartedAt("chat-delayed-run")).toBeNull();
});
it("preflights canonical completion without fencing or settling the turn", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const chatHandler = vi.fn();
client.onChat("chat-preflight", chatHandler);
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-preflight", "question", undefined, {
turnId: "turn-preflight",
});
const requestGeneration = client.getRunGeneration("chat-preflight");
expect(
client.canReconcileCanonicalCompletion(
"chat-preflight",
requestGeneration,
["turn-preflight"],
),
).toBe(true);
expect(
client.canReconcileCanonicalCompletion("chat-preflight", requestGeneration, []),
).toBe(false);
lastSocket().fakeMessage({
event: "delta",
chat_id: "chat-preflight",
turn_id: "turn-preflight",
text: "still live",
});
expect(chatHandler).toHaveBeenCalledWith(
expect.objectContaining({ event: "delta", text: "still live" }),
);
});
it("clears the run cache and fences delayed frames after canonical completion", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const chatHandler = vi.fn();
const runHandler = vi.fn();
client.onChat("chat-canonical", chatHandler);
client.onRunStatus(runHandler);
client.connect();
lastSocket().fakeOpen();
lastSocket().fakeMessage({
event: "goal_status",
chat_id: "chat-canonical",
status: "running",
started_at: 12_345,
turn_id: "turn-canonical",
});
const requestGeneration = client.getRunGeneration("chat-canonical");
expect(
client.reconcileCanonicalCompletion(
"chat-canonical",
requestGeneration,
["turn-canonical"],
),
).toBe(true);
expect(client.getRunStartedAt("chat-canonical")).toBeNull();
expect(runHandler).toHaveBeenLastCalledWith("chat-canonical", null);
const deliveredBeforeLateFrames = chatHandler.mock.calls.length;
lastSocket().fakeMessage({
event: "delta",
chat_id: "chat-canonical",
text: " delayed",
turn_id: "turn-canonical",
});
lastSocket().fakeMessage({
event: "turn_end",
chat_id: "chat-canonical",
turn_id: "turn-canonical",
});
lastSocket().fakeMessage({
event: "goal_status",
chat_id: "chat-canonical",
status: "idle",
turn_id: "turn-canonical",
});
expect(chatHandler).toHaveBeenCalledTimes(deliveredBeforeLateFrames);
expect(client.getRunStartedAt("chat-canonical")).toBeNull();
});
it("notifies run status subscribers and replays running chats", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const handler = vi.fn();
client.onRunStatus(handler);
client.connect();
lastSocket().fakeOpen();
lastSocket().fakeMessage({
event: "goal_status",
chat_id: "chat-status",
status: "running",
started_at: 12_345,
});
expect(handler).toHaveBeenCalledWith("chat-status", 12_345);
const lateHandler = vi.fn();
client.onRunStatus(lateHandler);
expect(lateHandler).toHaveBeenCalledWith("chat-status", 12_345);
lastSocket().fakeMessage({
event: "goal_status",
chat_id: "chat-status",
status: "idle",
});
expect(handler).toHaveBeenCalledWith("chat-status", null);
expect(lateHandler).toHaveBeenCalledWith("chat-status", null);
});
it("records goal_state per chat_id without an onChat subscriber", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
lastSocket().fakeMessage({
event: "goal_state",
chat_id: "chat-goal-a",
goal_state: { active: true, ui_summary: "Docs" },
});
lastSocket().fakeMessage({
event: "goal_state",
chat_id: "chat-goal-b",
goal_state: { active: true, objective: "Ship API" },
});
expect(client.getGoalState("chat-goal-a")).toEqual({ active: true, ui_summary: "Docs" });
expect(client.getGoalState("chat-goal-b")).toEqual({
active: true,
objective: "Ship API",
});
lastSocket().fakeMessage({
event: "goal_state",
chat_id: "chat-goal-a",
goal_state: { active: false },
});
expect(client.getGoalState("chat-goal-a")).toEqual({ active: false });
});
it("records goal_state from turn_end payload when present", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
lastSocket().fakeMessage({
event: "turn_end",
chat_id: "chat-te",
goal_state: { active: true, objective: "Long task" },
});
expect(client.getGoalState("chat-te")).toEqual({ active: true, objective: "Long task" });
});
it("buffers after unsubscribe until the chat is subscribed again", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const h1 = vi.fn();
const unsub = client.onChat("chat-rejoin", h1);
client.connect();
lastSocket().fakeOpen();
lastSocket().fakeMessage({ event: "delta", chat_id: "chat-rejoin", text: "live" });
expect(h1).toHaveBeenCalledTimes(1);
unsub();
lastSocket().fakeMessage({ event: "delta", chat_id: "chat-rejoin", text: "queued" });
expect(h1).toHaveBeenCalledTimes(1);
const h2 = vi.fn();
client.onChat("chat-rejoin", h2);
expect(h2).toHaveBeenCalledTimes(1);
expect(h2.mock.calls[0][0]).toMatchObject({ event: "delta", text: "queued" });
});
it("dispatches runtime model updates globally", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const handler = vi.fn();
client.onRuntimeModelUpdate(handler);
client.connect();
lastSocket().fakeOpen();
lastSocket().fakeMessage({
event: "runtime_model_updated",
model_name: "openai/gpt-4.1",
model_preset: "fast",
});
expect(handler).toHaveBeenCalledWith("openai/gpt-4.1", "fast");
});
it("dispatches turn model updates to the active chat", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const chatHandler = vi.fn();
client.onChat("chat-a", chatHandler);
client.connect();
lastSocket().fakeOpen();
lastSocket().fakeMessage({
event: "turn_model_updated",
chat_id: "chat-a",
model_name: "deepseek/deepseek-chat",
});
expect(chatHandler).toHaveBeenCalledWith({
event: "turn_model_updated",
chat_id: "chat-a",
model_name: "deepseek/deepseek-chat",
});
});
it("dispatches session updates globally", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const globalHandler = vi.fn();
const chatHandler = vi.fn();
client.onSessionUpdate(globalHandler);
client.onChat("chat-title", chatHandler);
client.connect();
lastSocket().fakeOpen();
lastSocket().fakeMessage({
event: "session_updated",
chat_id: "chat-title",
scope: "metadata",
workspace_scope: {
project_path: "/tmp/project",
project_name: "project",
access_mode: "restricted",
restrict_to_workspace: true,
},
});
expect(globalHandler).toHaveBeenCalledWith(
"chat-title",
"metadata",
expect.objectContaining({ project_path: "/tmp/project" }),
);
expect(chatHandler).not.toHaveBeenCalled();
});
it("resolves newChat() via the server-assigned chat_id", async () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
const promise = client.newChat(1_000);
expect(lastSocket().sent).toContain(JSON.stringify({ type: "new_chat" }));
lastSocket().fakeMessage({ event: "attached", chat_id: "fresh-id" });
await expect(promise).resolves.toBe("fresh-id");
});
it("serializes workspace scope for new chats and messages", async () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const workspaceScope = {
project_path: "/tmp/project",
project_name: "project",
access_mode: "full" as const,
restrict_to_workspace: false,
};
client.connect();
lastSocket().fakeOpen();
const promise = client.newChat(1_000, workspaceScope);
expect(lastSocket().sent).toContain(
JSON.stringify({ type: "new_chat", workspace_scope: workspaceScope }),
);
lastSocket().fakeMessage({ event: "attached", chat_id: "fresh-id" });
await expect(promise).resolves.toBe("fresh-id");
client.sendMessage("fresh-id", "hello", undefined, { workspaceScope });
expect(lastSocket().sent).toContain(
JSON.stringify({
type: "message",
chat_id: "fresh-id",
content: "hello",
workspace_scope: workspaceScope,
webui: true,
}),
);
});
it("sends transcription requests and resolves transcription results outside chat dispatch", async () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const handler = vi.fn();
client.onChat("chat-a", handler);
client.connect();
lastSocket().fakeOpen();
const promise = client.transcribeAudio("data:audio/webm;base64,AAAA", {
durationMs: 1234,
timeoutMs: 1_000,
});
const frame = JSON.parse(lastSocket().sent.at(-1) as string);
expect(frame).toMatchObject({
type: "transcribe_audio",
data_url: "data:audio/webm;base64,AAAA",
duration_ms: 1234,
});
expect(typeof frame.request_id).toBe("string");
lastSocket().fakeMessage({
event: "transcription_result",
request_id: frame.request_id,
text: "hello from voice",
});
await expect(promise).resolves.toBe("hello from voice");
expect(handler).not.toHaveBeenCalled();
});
it("rejects pending transcription requests on server errors and socket close", async () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
const errored = client.transcribeAudio("data:audio/webm;base64,AAAA", { timeoutMs: 1_000 });
const errorFrame = JSON.parse(lastSocket().sent.at(-1) as string);
lastSocket().fakeMessage({
event: "transcription_error",
request_id: errorFrame.request_id,
detail: "not_configured",
});
await expect(errored).rejects.toThrow("not_configured");
const dropped = client.transcribeAudio("data:audio/webm;base64,BBBB", { timeoutMs: 1_000 });
lastSocket().close();
await expect(dropped).rejects.toThrow("socket closed");
});
it("queues sends while connecting and flushes on open", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
client.sendMessage("chat-x", "hello");
expect(lastSocket().sent).toEqual([]);
lastSocket().fakeOpen();
// Attach is sent first because sendMessage adds to knownChats, which
// handleOpen re-attaches; then the queued message follows.
expect(lastSocket().sent).toContain(
JSON.stringify({ type: "message", chat_id: "chat-x", content: "hello", webui: true }),
);
});
it("includes an explicit turn id on outbound WebUI messages", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-x", "hello", undefined, { turnId: "turn-1" });
expect(JSON.parse(lastSocket().sent.at(-1) as string)).toEqual({
type: "message",
chat_id: "chat-x",
content: "hello",
turn_id: "turn-1",
webui: true,
});
});
it("handles the silent system-command lifecycle without hiding concurrent events", async () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const chatHandler = vi.fn();
client.onChat("chat-x", chatHandler);
client.connect();
lastSocket().fakeOpen();
const pending = client.sendSystemCommand("chat-x", " /model fast ", 1_000);
const frame = JSON.parse(lastSocket().sent.at(-1) as string);
expect(frame).toMatchObject({
type: "message",
chat_id: "chat-x",
content: "/model fast",
webui: true,
});
expect(frame.turn_id).toMatch(/^webui-system:/);
lastSocket().fakeMessage({
event: "message",
chat_id: "chat-x",
text: "normal reply",
turn_id: "normal-turn",
});
lastSocket().fakeMessage({
event: "message",
chat_id: "chat-x",
text: "Switched model preset to fast.",
turn_id: frame.turn_id,
});
await expect(pending).resolves.toBeUndefined();
expect(chatHandler).toHaveBeenCalledTimes(1);
expect(chatHandler).toHaveBeenCalledWith(expect.objectContaining({
text: "normal reply",
turn_id: "normal-turn",
}));
const interrupted = client.sendSystemCommand("chat-x", "/model fast", 1_000);
lastSocket().close();
await expect(interrupted).rejects.toThrow("socket closed");
});
it("sends selected assistant text as separate quoted context", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-x", "What does this mean?", undefined, {
quotedContext: " selected answer excerpt ",
});
expect(JSON.parse(lastSocket().sent.at(-1) as string)).toEqual({
type: "message",
chat_id: "chat-x",
content: "What does this mean?",
quoted_context: "selected answer excerpt",
webui: true,
});
});
it("includes CLI app attachments in outbound messages", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
client.sendMessage(
"chat-cli",
"@drawio please make this diagram",
undefined,
{
cliApps: [{
name: "drawio",
display_name: "Draw.io",
category: "diagrams",
entry_point: "cli-anything-drawio",
logo_url: null,
brand_color: "#F08705",
}],
},
);
expect(lastSocket().sent).toContain(
JSON.stringify({
type: "message",
chat_id: "chat-cli",
content: "@drawio please make this diagram",
cli_apps: [{
name: "drawio",
display_name: "Draw.io",
category: "diagrams",
entry_point: "cli-anything-drawio",
logo_url: null,
brand_color: "#F08705",
}],
webui: true,
}),
);
});
it("includes MCP preset attachments in outbound messages", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
client.sendMessage(
"chat-mcp",
"@browserbase check this page",
undefined,
{
mcpPresets: [{
name: "browserbase",
display_name: "Browserbase",
category: "browser",
transport: "streamableHttp",
status: "configured",
configured: true,
logo_url: "https://example.invalid/browserbase.svg",
brand_color: "#111827",
}],
},
);
expect(lastSocket().sent).toContain(
JSON.stringify({
type: "message",
chat_id: "chat-mcp",
content: "@browserbase check this page",
mcp_presets: [{
name: "browserbase",
display_name: "Browserbase",
category: "browser",
transport: "streamableHttp",
status: "configured",
configured: true,
logo_url: "https://example.invalid/browserbase.svg",
brand_color: "#111827",
}],
webui: true,
}),
);
});
it("re-attaches known chats after a reconnect", async () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: true,
maxBackoffMs: 10,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.onChat("chat-z", () => {});
client.connect();
lastSocket().fakeOpen();
expect(lastSocket().sent).toContain(
JSON.stringify({ type: "attach", chat_id: "chat-z" }),
);
// Drop the socket.
lastSocket().close();
// Advance the backoff timer.
await vi.advanceTimersByTimeAsync(20);
const reconnected = lastSocket();
expect(reconnected).not.toBe(FakeSocket.instances[0]);
reconnected.fakeOpen();
expect(reconnected.sent).toContain(
JSON.stringify({ type: "attach", chat_id: "chat-z" }),
);
});
it("reports status transitions through onStatus", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const seen: string[] = [];
client.onStatus((s) => seen.push(s));
client.connect();
lastSocket().fakeOpen();
lastSocket().close();
expect(seen).toEqual(["idle", "connecting", "open", "closed"]);
});
it("does not schedule a reconnect when close() is called explicitly", async () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: true,
maxBackoffMs: 10,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const seen: string[] = [];
client.onStatus((s) => seen.push(s));
client.connect();
lastSocket().fakeOpen();
client.close();
// Advance past any possible backoff window to prove no reconnect was scheduled.
await vi.advanceTimersByTimeAsync(200);
expect(FakeSocket.instances).toHaveLength(1);
// "reconnecting" must never appear after an intentional close.
expect(seen).not.toContain("reconnecting");
expect(seen.at(-1)).toBe("closed");
});
it("passes media through into the message envelope", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-x", "look", [
{ data_url: "data:image/png;base64,AAAA", name: "shot.png" },
]);
const lastFrame = JSON.parse(lastSocket().sent.at(-1) as string);
expect(lastFrame).toEqual({
type: "message",
chat_id: "chat-x",
content: "look",
media: [{ data_url: "data:image/png;base64,AAAA", name: "shot.png" }],
webui: true,
});
});
it("omits media from the envelope when no images are attached", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
client.sendMessage("chat-x", "hello");
const lastFrame = JSON.parse(lastSocket().sent.at(-1) as string);
expect(lastFrame).not.toHaveProperty("media");
expect(lastFrame).toEqual({
type: "message",
chat_id: "chat-x",
content: "hello",
webui: true,
});
});
it("emits a message_too_big error when the socket closes with code 1009", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const errors: Array<{ kind: string }> = [];
client.onError((e) => errors.push(e));
client.connect();
lastSocket().fakeOpen();
// Server rejected an outbound frame as too large.
lastSocket().fakeCloseWithCode(1009);
expect(errors).toEqual([{ kind: "message_too_big" }]);
});
it("emits workspace scope rejection errors from server frames", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const errors: Array<{ kind: string; reason?: string; chatId?: string }> = [];
client.onError((e) => errors.push(e));
client.connect();
lastSocket().fakeOpen();
lastSocket().fakeMessage({
event: "error",
chat_id: "chat-a",
detail: "workspace_scope_rejected",
reason: "chat_running",
});
expect(errors).toEqual([
{
kind: "workspace_scope_rejected",
reason: "chat_running",
chatId: "chat-a",
},
]);
});
it("rejects pending new chats when workspace scope is rejected", async () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
client.connect();
lastSocket().fakeOpen();
const pending = client.newChat(5_000, {
project_path: "/missing",
project_name: "missing",
access_mode: "restricted",
});
lastSocket().fakeMessage({
event: "error",
detail: "workspace_scope_rejected",
reason: "project_path must be an existing directory",
});
await expect(pending).rejects.toThrow("workspace_scope_rejected");
});
it("isolates throwing error handlers so reconnect bookkeeping still runs", async () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: true,
maxBackoffMs: 5,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
// First handler explodes; subsequent reconnect state must be untouched.
client.onError(() => {
throw new Error("subscriber blew up");
});
const seenStatuses: string[] = [];
client.onStatus((s) => seenStatuses.push(s));
client.connect();
lastSocket().fakeOpen();
lastSocket().fakeCloseWithCode(1009);
// Despite the throwing handler, the client must still schedule a reconnect.
expect(seenStatuses).toContain("reconnecting");
await vi.advanceTimersByTimeAsync(20);
expect(FakeSocket.instances.length).toBeGreaterThan(1);
});
it("does not emit a stream error on a vanilla socket close", () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: false,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const errors: Array<{ kind: string }> = [];
client.onError((e) => errors.push(e));
client.connect();
lastSocket().fakeOpen();
lastSocket().close();
expect(errors).toEqual([]);
});
it("surfaces 'reconnecting' only on an unexpected drop", async () => {
const client = new NanobotClient({
url: "ws://test",
reconnect: true,
maxBackoffMs: 5,
socketFactory: (url) => new FakeSocket(url) as unknown as WebSocket,
});
const seen: string[] = [];
client.onStatus((s) => seen.push(s));
client.connect();
lastSocket().fakeOpen();
// Simulate the remote side hanging up (no client.close() call).
lastSocket().close();
await vi.advanceTimersByTimeAsync(50);
expect(seen).toContain("reconnecting");
expect(FakeSocket.instances.length).toBeGreaterThan(1);
});
});