feat: 添加完整的单元测试套件

- 新增 vitest 测试框架配置 - 添加 54 个测试文件，共 951 个测试用例 - 覆盖核心模块： - Agent: executor, registry, config-loader, permission-merger - Context: manager, compaction, prune, token-counter - Permission: manager, bash/file/git/web checkers, wildcard - Session: manager, storage - Tools: filesystem (12个), git (10个), web, shell, todo, task - LSP: client, server, language - Utils: config, diff - UI: terminal
2025-12-11 14:45:24 +08:00
parent f4df6483a6
commit 729fb2d42a
58 changed files with 14320 additions and 3 deletions
@@ -0,0 +1,172 @@
+import { describe, it, expect, beforeEach, vi } from 'vitest';
+
+// 定义一个可控的 mock
+let mockExecAsyncResult: { stdout: string; stderr: string } | Error = {
+  stdout: '',
+  stderr: '',
+};
+
+// Mock child_process
+vi.mock('child_process', () => ({
+  exec: vi.fn(),
+}));
+
+// Mock util
+vi.mock('util', () => ({
+  promisify: vi.fn(() => vi.fn(async () => {
+    if (mockExecAsyncResult instanceof Error) {
+      throw mockExecAsyncResult;
+    }
+    return mockExecAsyncResult;
+  })),
+}));
+
+// Mock permission manager
+vi.mock('../../../../src/permission/index.js', () => ({
+  getPermissionManager: vi.fn(() => ({
+    checkGitPermission: vi.fn().mockResolvedValue({
+      allowed: true,
+      action: 'allow',
+    }),
+  })),
+}));
+
+// Mock loadDescription
+vi.mock('../../../../src/tools/load_description.js', () => ({
+  loadDescription: vi.fn(() => 'Git diff 命令'),
+}));
+
+import { gitDiffTool } from '../../../../src/tools/git/git_diff.js';
+import { getPermissionManager } from '../../../../src/permission/index.js';
+
+describe('gitDiffTool - Git Diff 工具', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+    mockExecAsyncResult = {
+      stdout: 'diff --git a/file.txt b/file.txt\n-old\n+new',
+      stderr: '',
+    };
+  });
+
+  describe('工具定义', () => {
+    it('有正确的名称', () => {
+      expect(gitDiffTool.name).toBe('git_diff');
+    });
+
+    it('有正确的元数据', () => {
+      expect(gitDiffTool.metadata.category).toBe('git');
+      expect(gitDiffTool.metadata.keywords).toContain('diff');
+      expect(gitDiffTool.metadata.keywords).toContain('compare');
+    });
+
+    it('定义了可选参数', () => {
+      expect(gitDiffTool.parameters.path.required).toBe(false);
+      expect(gitDiffTool.parameters.staged.required).toBe(false);
+      expect(gitDiffTool.parameters.commit.required).toBe(false);
+      expect(gitDiffTool.parameters.stat.required).toBe(false);
+    });
+  });
+
+  describe('execute - 执行', () => {
+    it('成功获取差异', async () => {
+      const result = await gitDiffTool.execute({});
+
+      expect(result.success).toBe(true);
+      expect(result.output).toContain('diff');
+    });
+
+    it('无差异时显示提示', async () => {
+      mockExecAsyncResult = { stdout: '', stderr: '' };
+
+      const result = await gitDiffTool.execute({});
+
+      expect(result.success).toBe(true);
+      expect(result.output).toContain('无差异');
+    });
+
+    it('显示暂存区差异', async () => {
+      mockExecAsyncResult = { stdout: 'staged changes', stderr: '' };
+
+      const result = await gitDiffTool.execute({ staged: true });
+
+      expect(result.success).toBe(true);
+      expect(result.output).toContain('staged changes');
+    });
+
+    it('与指定提交对比', async () => {
+      mockExecAsyncResult = { stdout: 'commit diff', stderr: '' };
+
+      const result = await gitDiffTool.execute({ commit: 'HEAD~1' });
+
+      expect(result.success).toBe(true);
+    });
+
+    it('指定文件路径', async () => {
+      mockExecAsyncResult = { stdout: 'file diff', stderr: '' };
+
+      const result = await gitDiffTool.execute({ path: 'src/file.ts' });
+
+      expect(result.success).toBe(true);
+    });
+
+    it('仅显示统计信息', async () => {
+      mockExecAsyncResult = {
+        stdout: ' file.txt | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)',
+        stderr: '',
+      };
+
+      const result = await gitDiffTool.execute({ stat: true });
+
+      expect(result.success).toBe(true);
+      expect(result.output).toContain('file changed');
+    });
+
+    it('权限被拒绝时返回错误', async () => {
+      vi.mocked(getPermissionManager).mockReturnValue({
+        checkGitPermission: vi.fn().mockResolvedValue({
+          allowed: false,
+          action: 'deny',
+          reason: '操作不被允许',
+        }),
+      } as any);
+
+      const result = await gitDiffTool.execute({});
+
+      expect(result.success).toBe(false);
+      expect(result.error).toContain('权限被拒绝');
+    });
+
+    it('需要确认时返回提示', async () => {
+      vi.mocked(getPermissionManager).mockReturnValue({
+        checkGitPermission: vi.fn().mockResolvedValue({
+          allowed: false,
+          action: 'ask',
+          needsConfirmation: true,
+        }),
+      } as any);
+
+      const result = await gitDiffTool.execute({});
+
+      expect(result.success).toBe(false);
+      expect(result.error).toContain('需要用户确认');
+    });
+
+    it('命令执行失败返回错误', async () => {
+      vi.mocked(getPermissionManager).mockReturnValue({
+        checkGitPermission: vi.fn().mockResolvedValue({
+          allowed: true,
+          action: 'allow',
+        }),
+      } as any);
+      mockExecAsyncResult = Object.assign(
+        new Error('Command failed'),
+        { stdout: '', stderr: 'fatal: not a git repository', message: 'Command failed' }
+      );
+
+      const result = await gitDiffTool.execute({});
+
+      expect(result.success).toBe(false);
+      expect(result.error).toContain('not a git repository');
+    });
+  });
+});