1 files changed, 0 insertions, 235 deletions
diff --git a/packages/server/src/utils/nextSpeakerChecker.test.ts b/packages/server/src/utils/nextSpeakerChecker.test.ts
deleted file mode 100644
index 872e00f6..00000000
--- a/packages/server/src/utils/nextSpeakerChecker.test.ts
+++ /dev/null
@@ -1,235 +0,0 @@
-/**
- * @license
- * Copyright 2025 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-import { describe, it, expect, vi, beforeEach, Mock, afterEach } from 'vitest';
-import { Content, GoogleGenAI, Models } from '@google/genai';
-import { GeminiClient } from '../core/client.js';
-import { Config } from '../config/config.js';
-import { checkNextSpeaker, NextSpeakerResponse } from './nextSpeakerChecker.js';
-import { GeminiChat } from '../core/geminiChat.js';
-
-// Mock GeminiClient and Config constructor
-vi.mock('../core/client.js');
-vi.mock('../config/config.js');
-
-// Define mocks for GoogleGenAI and Models instances that will be used across tests
-const mockModelsInstance = {
-  generateContent: vi.fn(),
-  generateContentStream: vi.fn(),
-  countTokens: vi.fn(),
-  embedContent: vi.fn(),
-  batchEmbedContents: vi.fn(),
-} as unknown as Models;
-
-const mockGoogleGenAIInstance = {
-  getGenerativeModel: vi.fn().mockReturnValue(mockModelsInstance),
-  // Add other methods of GoogleGenAI if they are directly used by GeminiChat constructor or its methods
-} as unknown as GoogleGenAI;
-
-vi.mock('@google/genai', async () => {
-  const actualGenAI =
-    await vi.importActual<typeof import('@google/genai')>('@google/genai');
-  return {
-    ...actualGenAI,
-    GoogleGenAI: vi.fn(() => mockGoogleGenAIInstance), // Mock constructor to return the predefined instance
-    // If Models is instantiated directly in GeminiChat, mock its constructor too
-    // For now, assuming Models instance is obtained via getGenerativeModel
-  };
-});
-
-describe('checkNextSpeaker', () => {
-  let chatInstance: GeminiChat;
-  let mockGeminiClient: GeminiClient;
-  let MockConfig: Mock;
-  const abortSignal = new AbortController().signal;
-
-  beforeEach(() => {
-    MockConfig = vi.mocked(Config);
-    const mockConfigInstance = new MockConfig(
-      'test-api-key',
-      'gemini-pro',
-      false,
-      '.',
-      false,
-      undefined,
-      false,
-      undefined,
-      undefined,
-      undefined,
-    );
-
-    mockGeminiClient = new GeminiClient(mockConfigInstance);
-
-    // Reset mocks before each test to ensure test isolation
-    vi.mocked(mockModelsInstance.generateContent).mockReset();
-    vi.mocked(mockModelsInstance.generateContentStream).mockReset();
-
-    // GeminiChat will receive the mocked instances via the mocked GoogleGenAI constructor
-    chatInstance = new GeminiChat(
-      mockGoogleGenAIInstance, // This will be the instance returned by the mocked GoogleGenAI constructor
-      mockModelsInstance, // This is the instance returned by mockGoogleGenAIInstance.getGenerativeModel
-      'gemini-pro', // model name
-      {},
-      [], // initial history
-    );
-
-    // Spy on getHistory for chatInstance
-    vi.spyOn(chatInstance, 'getHistory');
-  });
-
-  afterEach(() => {
-    vi.clearAllMocks();
-  });
-
-  it('should return null if history is empty', async () => {
-    (chatInstance.getHistory as Mock).mockReturnValue([]);
-    const result = await checkNextSpeaker(
-      chatInstance,
-      mockGeminiClient,
-      abortSignal,
-    );
-    expect(result).toBeNull();
-    expect(mockGeminiClient.generateJson).not.toHaveBeenCalled();
-  });
-
-  it('should return null if the last speaker was the user', async () => {
-    (chatInstance.getHistory as Mock).mockReturnValue([
-      { role: 'user', parts: [{ text: 'Hello' }] },
-    ] as Content[]);
-    const result = await checkNextSpeaker(
-      chatInstance,
-      mockGeminiClient,
-      abortSignal,
-    );
-    expect(result).toBeNull();
-    expect(mockGeminiClient.generateJson).not.toHaveBeenCalled();
-  });
-
-  it("should return { next_speaker: 'model' } when model intends to continue", async () => {
-    (chatInstance.getHistory as Mock).mockReturnValue([
-      { role: 'model', parts: [{ text: 'I will now do something.' }] },
-    ] as Content[]);
-    const mockApiResponse: NextSpeakerResponse = {
-      reasoning: 'Model stated it will do something.',
-      next_speaker: 'model',
-    };
-    (mockGeminiClient.generateJson as Mock).mockResolvedValue(mockApiResponse);
-
-    const result = await checkNextSpeaker(
-      chatInstance,
-      mockGeminiClient,
-      abortSignal,
-    );
-    expect(result).toEqual(mockApiResponse);
-    expect(mockGeminiClient.generateJson).toHaveBeenCalledTimes(1);
-  });
-
-  it("should return { next_speaker: 'user' } when model asks a question", async () => {
-    (chatInstance.getHistory as Mock).mockReturnValue([
-      { role: 'model', parts: [{ text: 'What would you like to do?' }] },
-    ] as Content[]);
-    const mockApiResponse: NextSpeakerResponse = {
-      reasoning: 'Model asked a question.',
-      next_speaker: 'user',
-    };
-    (mockGeminiClient.generateJson as Mock).mockResolvedValue(mockApiResponse);
-
-    const result = await checkNextSpeaker(
-      chatInstance,
-      mockGeminiClient,
-      abortSignal,
-    );
-    expect(result).toEqual(mockApiResponse);
-  });
-
-  it("should return { next_speaker: 'user' } when model makes a statement", async () => {
-    (chatInstance.getHistory as Mock).mockReturnValue([
-      { role: 'model', parts: [{ text: 'This is a statement.' }] },
-    ] as Content[]);
-    const mockApiResponse: NextSpeakerResponse = {
-      reasoning: 'Model made a statement, awaiting user input.',
-      next_speaker: 'user',
-    };
-    (mockGeminiClient.generateJson as Mock).mockResolvedValue(mockApiResponse);
-
-    const result = await checkNextSpeaker(
-      chatInstance,
-      mockGeminiClient,
-      abortSignal,
-    );
-    expect(result).toEqual(mockApiResponse);
-  });
-
-  it('should return null if geminiClient.generateJson throws an error', async () => {
-    const consoleWarnSpy = vi
-      .spyOn(console, 'warn')
-      .mockImplementation(() => {});
-    (chatInstance.getHistory as Mock).mockReturnValue([
-      { role: 'model', parts: [{ text: 'Some model output.' }] },
-    ] as Content[]);
-    (mockGeminiClient.generateJson as Mock).mockRejectedValue(
-      new Error('API Error'),
-    );
-
-    const result = await checkNextSpeaker(
-      chatInstance,
-      mockGeminiClient,
-      abortSignal,
-    );
-    expect(result).toBeNull();
-    consoleWarnSpy.mockRestore();
-  });
-
-  it('should return null if geminiClient.generateJson returns invalid JSON (missing next_speaker)', async () => {
-    (chatInstance.getHistory as Mock).mockReturnValue([
-      { role: 'model', parts: [{ text: 'Some model output.' }] },
-    ] as Content[]);
-    (mockGeminiClient.generateJson as Mock).mockResolvedValue({
-      reasoning: 'This is incomplete.',
-    } as unknown as NextSpeakerResponse); // Type assertion to simulate invalid response
-
-    const result = await checkNextSpeaker(
-      chatInstance,
-      mockGeminiClient,
-      abortSignal,
-    );
-    expect(result).toBeNull();
-  });
-
-  it('should return null if geminiClient.generateJson returns a non-string next_speaker', async () => {
-    (chatInstance.getHistory as Mock).mockReturnValue([
-      { role: 'model', parts: [{ text: 'Some model output.' }] },
-    ] as Content[]);
-    (mockGeminiClient.generateJson as Mock).mockResolvedValue({
-      reasoning: 'Model made a statement, awaiting user input.',
-      next_speaker: 123, // Invalid type
-    } as unknown as NextSpeakerResponse);
-
-    const result = await checkNextSpeaker(
-      chatInstance,
-      mockGeminiClient,
-      abortSignal,
-    );
-    expect(result).toBeNull();
-  });
-
-  it('should return null if geminiClient.generateJson returns an invalid next_speaker string value', async () => {
-    (chatInstance.getHistory as Mock).mockReturnValue([
-      { role: 'model', parts: [{ text: 'Some model output.' }] },
-    ] as Content[]);
-    (mockGeminiClient.generateJson as Mock).mockResolvedValue({
-      reasoning: 'Model made a statement, awaiting user input.',
-      next_speaker: 'neither', // Invalid enum value
-    } as unknown as NextSpeakerResponse);
-
-    const result = await checkNextSpeaker(
-      chatInstance,
-      mockGeminiClient,
-      abortSignal,
-    );
-    expect(result).toBeNull();
-  });
-});