Revert "Including a test harness for it, and making sure the cursor is always at the end."

This reverts commit 97db77997f.

packages/cli/src/ui/App.test.tsx

@@ -1,121 +0,0 @@
-// packages/cli/src/ui/App.test.tsx
-import React from 'react';
-import { render, cleanup } from 'ink-testing-library';
-import { vi, describe, test, expect, beforeEach, afterEach } from 'vitest';
-import App from './App.js';
-import { useInputHistory } from './hooks/useInputHistory.js';
-import { useGeminiStream } from './hooks/useGeminiStream.js';
-import { StreamingState } from '../core/gemini-stream.js';
-import type { HistoryItem } from './types.js';
-import fs from 'fs';
-import path from 'path';
-import os from 'os';
-import { initializeConfig } from '../config/globalConfig.js';
-
-// --- Mocks ---
-
-// Mock the useGeminiStream hook
-vi.mock('./hooks/useGeminiStream.js', () => ({
-  useGeminiStream: vi.fn(),
-}));
-
-// Mock the useInputHistory hook
-vi.mock('./hooks/useInputHistory.js', () => ({
-  useInputHistory: vi.fn(),
-}));
-
-// Mock fs/path/os used for warnings check
-vi.mock('fs', () => ({
-  default: {
-    existsSync: vi.fn().mockReturnValue(false),
-    readFileSync: vi.fn(),
-    unlinkSync: vi.fn(),
-    writeFileSync: vi.fn(),
-  },
-}));
-vi.mock('path', async (importOriginal) => {
-  const originalPath = await importOriginal<typeof import('path')>();
-  return {
-    ...originalPath,
-    default: originalPath,
-    join: originalPath.join,
-    resolve: originalPath.resolve,
-    relative: originalPath.relative,
-  };
-});
-vi.mock('os', async (importOriginal) => {
-  const originalOs = await importOriginal<typeof import('os')>();
-  return {
-    ...originalOs,
-    default: originalOs,
-    tmpdir: vi.fn().mockReturnValue('/tmp'),
-  };
-});
-
-// --- Test Suite ---
-describe('App Component Rendering', () => {
-  // Define mock return values for the hooks
-  let mockSetQuery: ReturnType<typeof vi.fn>;
-  let mockResetHistoryNav: ReturnType<typeof vi.fn>;
-  let mockSubmitQuery: ReturnType<typeof vi.fn>;
-
-  beforeEach(() => {
-    // Reset mocks
-    vi.clearAllMocks();
-    (fs.existsSync as ReturnType<typeof vi.fn>).mockReturnValue(false);
-
-    // Initialize global config
-    initializeConfig({ model: 'test-model-v1' });
-
-    // Setup mock return values for hooks
-    mockSetQuery = vi.fn();
-    mockResetHistoryNav = vi.fn();
-    mockSubmitQuery = vi.fn().mockResolvedValue(undefined);
-
-    (useInputHistory as ReturnType<typeof vi.fn>).mockReturnValue({
-      query: '',
-      setQuery: mockSetQuery,
-      resetHistoryNav: mockResetHistoryNav,
-      inputKey: 0,
-    });
-
-    (useGeminiStream as ReturnType<typeof vi.fn>).mockReturnValue({
-      streamingState: StreamingState.Idle,
-      submitQuery: mockSubmitQuery,
-      initError: null,
-    });
-  });
-
-  afterEach(() => {
-    cleanup();
-    vi.resetModules();
-  });
-
-  // Helper function to render App
-  const renderApp = (initialHookQuery = '') => {
-    (useInputHistory as ReturnType<typeof vi.fn>).mockReturnValue({
-      query: initialHookQuery,
-      setQuery: mockSetQuery,
-      resetHistoryNav: mockResetHistoryNav,
-      inputKey: 0,
-    });
-
-    return render(<App directory="/test/dir" />);
-  };
-
-  // --- Tests ---
-  test('should render initial placeholder with model', () => {
-    const { lastFrame } = renderApp();
-    expect(lastFrame()).toContain('Ask Gemini (test-model-v1)');
-  });
-
-  test('should pass query from useInputHistory to InputPrompt', () => {
-    const { lastFrame } = renderApp('test query from hook');
-    expect(lastFrame()).toContain('> test query from hook');
-  });
-
-  // Add more tests here for App's behavior, like:
-  // - Displaying startup warnings when the mocked fs.existsSync returns true
-  // - Displaying initError from useGeminiStream when it's not null
-  // - Ensuring handleInputSubmit calls the correct functions from the hooks
-});