Files
fusion/packages/dashboard/app/hooks/__tests__/useQuickChat.test.ts
2026-04-18 23:22:20 -07:00

461 lines
15 KiB
TypeScript

import { act, renderHook, waitFor } from "@testing-library/react";
import { beforeEach, describe, expect, it, vi } from "vitest";
import type { ChatSession } from "@fusion/core";
import * as apiModule from "../../api";
import { KB_AGENT_ID, useQuickChat } from "../useQuickChat";
vi.mock("../../api", () => ({
fetchChatSessions: vi.fn(),
createChatSession: vi.fn(),
fetchChatMessages: vi.fn(),
streamChatResponse: vi.fn(),
cancelChatResponse: vi.fn(),
}));
const mockFetchChatSessions = vi.mocked(apiModule.fetchChatSessions);
const mockCreateChatSession = vi.mocked(apiModule.createChatSession);
const mockFetchChatMessages = vi.mocked(apiModule.fetchChatMessages);
const mockStreamChatResponse = vi.mocked(apiModule.streamChatResponse);
const mockCancelChatResponse = vi.mocked(apiModule.cancelChatResponse);
function makeSession(overrides: Partial<ChatSession> & Pick<ChatSession, "id" | "agentId">): ChatSession {
return {
id: overrides.id,
agentId: overrides.agentId,
title: overrides.title ?? null,
status: overrides.status ?? "active",
projectId: overrides.projectId ?? null,
modelProvider: overrides.modelProvider ?? null,
modelId: overrides.modelId ?? null,
createdAt: overrides.createdAt ?? new Date().toISOString(),
updatedAt: overrides.updatedAt ?? new Date().toISOString(),
};
}
describe("useQuickChat", () => {
beforeEach(() => {
vi.clearAllMocks();
mockFetchChatSessions.mockResolvedValue({ sessions: [] });
mockCreateChatSession.mockResolvedValue({
session: makeSession({ id: "session-001", agentId: "agent-001" }),
});
mockFetchChatMessages.mockResolvedValue({ messages: [] });
mockStreamChatResponse.mockReturnValue({ close: vi.fn(), isConnected: () => true });
mockCancelChatResponse.mockResolvedValue({ success: true });
});
it("sendMessage is synchronous and returns void", async () => {
const session = makeSession({ id: "session-001", agentId: "agent-001" });
mockFetchChatSessions.mockResolvedValue({ sessions: [session] });
mockFetchChatMessages.mockResolvedValue({ messages: [] });
const { result } = renderHook(() => useQuickChat("proj-123"));
await act(async () => {
await result.current.switchSession("agent-001");
});
await waitFor(() => {
expect(result.current.activeSession).not.toBeNull();
});
// sendMessage should return void (undefined), not a Promise
const sendResult = result.current.sendMessage("Hello");
expect(sendResult).toBeUndefined();
});
it("startModelChat creates a KB session with provider/model override", async () => {
const { result } = renderHook(() => useQuickChat("proj-123"));
await act(async () => {
await result.current.startModelChat("anthropic", "claude-sonnet-4-5");
});
await waitFor(() => {
expect(mockCreateChatSession).toHaveBeenCalledWith(
{
agentId: KB_AGENT_ID,
modelProvider: "anthropic",
modelId: "claude-sonnet-4-5",
},
"proj-123",
);
});
});
it("switchSession with only agentId creates session without model params", async () => {
const { result } = renderHook(() => useQuickChat("proj-123"));
await act(async () => {
await result.current.switchSession("agent-001");
});
await waitFor(() => {
expect(mockCreateChatSession).toHaveBeenCalledWith(
{ agentId: "agent-001" },
"proj-123",
);
// Ensure model params are not included
const callArg = mockCreateChatSession.mock.calls[0][0];
expect(callArg).not.toHaveProperty("modelProvider");
expect(callArg).not.toHaveProperty("modelId");
});
});
it("switchSession falls back to KB agent when no explicit agent is provided", async () => {
const { result } = renderHook(() => useQuickChat("proj-123"));
await act(async () => {
await result.current.switchSession("", "openai", "gpt-4o");
});
await waitFor(() => {
expect(mockCreateChatSession).toHaveBeenCalledWith(
{
agentId: KB_AGENT_ID,
modelProvider: "openai",
modelId: "gpt-4o",
},
"proj-123",
);
});
});
it("switchSession with different model selections creates distinct sessions", async () => {
const modelASession = makeSession({
id: "session-model-a",
agentId: "agent-001",
modelProvider: "anthropic",
modelId: "claude-sonnet-4-5",
});
mockCreateChatSession
.mockResolvedValueOnce({ session: modelASession })
.mockResolvedValueOnce({
session: makeSession({
id: "session-model-b",
agentId: "agent-001",
modelProvider: "openai",
modelId: "gpt-4o",
}),
});
mockFetchChatSessions
.mockResolvedValueOnce({ sessions: [] })
.mockResolvedValueOnce({ sessions: [modelASession] });
const { result } = renderHook(() => useQuickChat("proj-123"));
await act(async () => {
await result.current.switchSession("agent-001", "anthropic", "claude-sonnet-4-5");
});
await act(async () => {
await result.current.switchSession("agent-001", "openai", "gpt-4o");
});
await waitFor(() => {
expect(mockCreateChatSession).toHaveBeenNthCalledWith(
1,
{
agentId: "agent-001",
modelProvider: "anthropic",
modelId: "claude-sonnet-4-5",
},
"proj-123",
);
expect(mockCreateChatSession).toHaveBeenNthCalledWith(
2,
{
agentId: "agent-001",
modelProvider: "openai",
modelId: "gpt-4o",
},
"proj-123",
);
});
});
it("switchSession with the same target reloads messages instead of creating a new session", async () => {
const existingSession = makeSession({
id: "session-existing",
agentId: "agent-001",
modelProvider: "openai",
modelId: "gpt-4o",
});
mockFetchChatSessions.mockResolvedValueOnce({ sessions: [existingSession] });
const { result } = renderHook(() => useQuickChat("proj-123"));
await act(async () => {
await result.current.switchSession("agent-001", "openai", "gpt-4o");
});
await act(async () => {
await result.current.switchSession("agent-001", "openai", "gpt-4o");
});
await waitFor(() => {
expect(mockCreateChatSession).not.toHaveBeenCalled();
expect(mockFetchChatMessages).toHaveBeenCalledWith("session-existing", { limit: 50 }, "proj-123");
});
});
it("stopStreaming aborts stream and resets streaming state", async () => {
const existingSession = makeSession({ id: "session-existing", agentId: "agent-001" });
const closeFn = vi.fn();
mockFetchChatSessions.mockResolvedValueOnce({ sessions: [existingSession] });
mockFetchChatMessages.mockResolvedValue({ messages: [] });
mockStreamChatResponse.mockReturnValue({ close: closeFn, isConnected: () => true });
const { result } = renderHook(() => useQuickChat("proj-123"));
await act(async () => {
await result.current.switchSession("agent-001");
});
act(() => {
result.current.sendMessage("Hello");
});
await waitFor(() => {
expect(result.current.isStreaming).toBe(true);
});
act(() => {
result.current.stopStreaming();
});
await waitFor(() => {
expect(closeFn).toHaveBeenCalled();
expect(mockCancelChatResponse).toHaveBeenCalledWith("session-existing", "proj-123");
expect(result.current.isStreaming).toBe(false);
expect(result.current.streamingText).toBe("");
expect(result.current.streamingThinking).toBe("");
});
});
it("sending during streaming queues message", async () => {
const existingSession = makeSession({ id: "session-existing", agentId: "agent-001" });
mockFetchChatSessions.mockResolvedValueOnce({ sessions: [existingSession] });
mockFetchChatMessages.mockResolvedValue({ messages: [] });
mockStreamChatResponse.mockReturnValue({ close: vi.fn(), isConnected: () => true });
const { result } = renderHook(() => useQuickChat("proj-123"));
await act(async () => {
await result.current.switchSession("agent-001");
});
act(() => {
result.current.sendMessage("Hello");
});
await waitFor(() => {
expect(result.current.isStreaming).toBe(true);
});
act(() => {
result.current.sendMessage("Queued follow-up");
});
expect(result.current.pendingMessage).toBe("Queued follow-up");
expect(mockStreamChatResponse).toHaveBeenCalledTimes(1);
});
it("queued message is auto-sent after streaming onDone", async () => {
const existingSession = makeSession({ id: "session-existing", agentId: "agent-001" });
const handlers: Array<Parameters<typeof mockStreamChatResponse>[2]> = [];
mockFetchChatSessions.mockResolvedValueOnce({ sessions: [existingSession] });
mockFetchChatMessages.mockResolvedValue({ messages: [] });
mockStreamChatResponse.mockImplementation((_sessionId, _content, nextHandlers) => {
handlers.push(nextHandlers);
return { close: vi.fn(), isConnected: () => true };
});
const { result } = renderHook(() => useQuickChat("proj-123"));
await act(async () => {
await result.current.switchSession("agent-001");
});
act(() => {
result.current.sendMessage("Hello");
});
await waitFor(() => {
expect(result.current.isStreaming).toBe(true);
});
act(() => {
result.current.sendMessage("Queued follow-up");
});
act(() => {
handlers[0]?.onDone?.({ messageId: "msg-001" });
});
await waitFor(() => {
expect(mockStreamChatResponse).toHaveBeenCalledTimes(2);
expect(mockStreamChatResponse.mock.calls[1]?.[1]).toBe("Queued follow-up");
expect(result.current.pendingMessage).toBe("");
});
});
it("onError does not remove user message from local state", async () => {
const existingSession = makeSession({ id: "session-existing", agentId: "agent-001" });
let onErrorHandler: ((data: string) => void) | undefined;
mockFetchChatSessions.mockResolvedValueOnce({ sessions: [existingSession] });
mockFetchChatMessages
.mockResolvedValueOnce({ messages: [] })
.mockResolvedValueOnce({
messages: [
{
id: "msg-user-1",
sessionId: existingSession.id,
role: "user",
content: "Hello",
createdAt: new Date().toISOString(),
},
],
});
mockStreamChatResponse.mockImplementation((_sessionId, _content, handlers) => {
onErrorHandler = handlers.onError;
return { close: vi.fn(), isConnected: () => true };
});
const { result } = renderHook(() => useQuickChat("proj-123"));
await act(async () => {
await result.current.switchSession("agent-001");
});
act(() => {
result.current.sendMessage("Hello");
});
expect(result.current.messages.some((message) => message.role === "user" && message.content === "Hello")).toBe(true);
act(() => {
onErrorHandler?.("Connection aborted");
});
await waitFor(() => {
expect(result.current.messages.some((message) => message.role === "user" && message.content === "Hello")).toBe(true);
});
});
it("onError reloads messages from server", async () => {
const existingSession = makeSession({ id: "session-existing", agentId: "agent-001" });
let onErrorHandler: ((data: string) => void) | undefined;
mockFetchChatSessions.mockResolvedValueOnce({ sessions: [existingSession] });
mockFetchChatMessages.mockResolvedValue({ messages: [] });
mockStreamChatResponse.mockImplementation((_sessionId, _content, handlers) => {
onErrorHandler = handlers.onError;
return { close: vi.fn(), isConnected: () => true };
});
const { result } = renderHook(() => useQuickChat("proj-123"));
await act(async () => {
await result.current.switchSession("agent-001");
});
act(() => {
result.current.sendMessage("Hello");
});
act(() => {
onErrorHandler?.("Connection aborted");
});
await waitFor(() => {
expect(mockFetchChatMessages).toHaveBeenCalledTimes(2);
expect(mockFetchChatMessages).toHaveBeenLastCalledWith("session-existing", { limit: 50 }, "proj-123");
});
});
it("onError resets streaming state", async () => {
const existingSession = makeSession({ id: "session-existing", agentId: "agent-001" });
let onErrorHandler: ((data: string) => void) | undefined;
let onTextHandler: ((data: string) => void) | undefined;
let onThinkingHandler: ((data: string) => void) | undefined;
mockFetchChatSessions.mockResolvedValueOnce({ sessions: [existingSession] });
mockFetchChatMessages.mockResolvedValue({ messages: [] });
mockStreamChatResponse.mockImplementation((_sessionId, _content, handlers) => {
onErrorHandler = handlers.onError;
onTextHandler = handlers.onText;
onThinkingHandler = handlers.onThinking;
return { close: vi.fn(), isConnected: () => true };
});
const { result } = renderHook(() => useQuickChat("proj-123"));
await act(async () => {
await result.current.switchSession("agent-001");
});
act(() => {
result.current.sendMessage("Hello");
onTextHandler?.("Partial answer");
onThinkingHandler?.("Thinking...");
});
await waitFor(() => {
expect(result.current.isStreaming).toBe(true);
expect(result.current.streamingText).toBe("Partial answer");
expect(result.current.streamingThinking).toBe("Thinking...");
});
act(() => {
onErrorHandler?.("Connection aborted");
});
await waitFor(() => {
expect(result.current.isStreaming).toBe(false);
expect(result.current.streamingText).toBe("");
expect(result.current.streamingThinking).toBe("");
});
});
it("onError shows toast with failed response message", async () => {
const existingSession = makeSession({ id: "session-existing", agentId: "agent-001" });
const addToast = vi.fn();
let onErrorHandler: ((data: string) => void) | undefined;
mockFetchChatSessions.mockResolvedValueOnce({ sessions: [existingSession] });
mockFetchChatMessages.mockResolvedValue({ messages: [] });
mockStreamChatResponse.mockImplementation((_sessionId, _content, handlers) => {
onErrorHandler = handlers.onError;
return { close: vi.fn(), isConnected: () => true };
});
const { result } = renderHook(() => useQuickChat("proj-123", addToast));
await act(async () => {
await result.current.switchSession("agent-001");
});
act(() => {
result.current.sendMessage("Hello");
onErrorHandler?.("Connection aborted");
});
await waitFor(() => {
expect(addToast).toHaveBeenCalledWith("Failed to get response", "error");
});
});
});