refactor(session): 升级存储系统架构

- 添加读写锁机制防止并发写入冲突
- 实现数据迁移框架支持版本化升级
- 分层存储结构:项目/会话/消息独立存储
- 使用 Git root commit hash 作为稳定项目 ID
- 增量消息同步避免重复写入
- 每条消息独立文件,按序号命名 (0001.json, 0002.json)
This commit is contained in:
2025-12-13 10:41:36 +08:00
parent 26e8646518
commit 9ff2934089
11 changed files with 1277 additions and 487 deletions
+112 -88
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@@ -1,13 +1,20 @@
import { describe, it, expect, beforeEach, vi } from 'vitest';
import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
import { SessionManager } from '../../../src/session/manager.js';
import { SessionStorage } from '../../../src/session/storage.js';
import type { SessionData, Todo } from '../../../src/session/types.js';
import type { SessionData, Todo, ProjectMetadata, SessionSummary } from '../../../src/session/types.js';
import type { ModelMessage } from 'ai';
// Mock SessionStorage
class MockSessionStorage extends SessionStorage {
private mockCurrentSession: SessionData | null = null;
private mockCurrentSessionId: string | null = null;
private mockSessions: Map<string, SessionData> = new Map();
private mockProjects: Map<string, ProjectMetadata> = new Map();
private defaultProject: ProjectMetadata = {
id: 'test-project-id',
workdir: '/test/workdir',
createdAt: new Date().toISOString(),
isGitRepo: true,
};
constructor() {
super('/tmp/test-sessions');
@@ -21,62 +28,101 @@ class MockSessionStorage extends SessionStorage {
return `test-${Date.now()}-${Math.random().toString(36).substring(2, 6)}`;
}
async saveCurrentSession(session: SessionData): Promise<void> {
this.mockCurrentSession = { ...session, updatedAt: new Date().toISOString() };
async getOrCreateProject(workdir: string): Promise<ProjectMetadata> {
const existing = this.mockProjects.get(workdir);
if (existing) return existing;
const project: ProjectMetadata = {
id: `project-${workdir.replace(/\//g, '-')}`,
workdir,
createdAt: new Date().toISOString(),
isGitRepo: true,
};
this.mockProjects.set(workdir, project);
return project;
}
async loadCurrentSession(): Promise<SessionData | null> {
return this.mockCurrentSession;
async setCurrentSession(sessionId: string): Promise<void> {
this.mockCurrentSessionId = sessionId;
}
async archiveCurrentSession(): Promise<void> {
if (this.mockCurrentSession) {
this.mockSessions.set(this.mockCurrentSession.id, { ...this.mockCurrentSession });
this.mockCurrentSession = null;
}
async getCurrentSessionId(): Promise<string | null> {
return this.mockCurrentSessionId;
}
async clearCurrentSession(): Promise<void> {
this.mockCurrentSession = null;
this.mockCurrentSessionId = null;
}
async listSessions(): Promise<{ id: string; title: string; workdir: string; messageCount: number; createdAt: string; updatedAt: string }[]> {
return Array.from(this.mockSessions.values()).map((s) => ({
id: s.id,
title: s.title || `Session ${s.id}`,
workdir: s.workdir,
messageCount: s.messages.length,
createdAt: s.createdAt,
updatedAt: s.updatedAt,
}));
}
async loadSession(sessionId: string): Promise<SessionData | null> {
return this.mockSessions.get(sessionId) || null;
}
async saveSession(session: SessionData): Promise<void> {
async saveSession(session: SessionData, _lastSyncedCount?: number): Promise<void> {
this.mockSessions.set(session.id, { ...session, updatedAt: new Date().toISOString() });
}
async deleteSession(sessionId: string): Promise<boolean> {
return this.mockSessions.delete(sessionId);
async loadSession(projectId: string, sessionId: string): Promise<SessionData | null> {
const session = this.mockSessions.get(sessionId);
if (session && session.projectId === projectId) {
return session;
}
return null;
}
async saveSessionMetadata(session: SessionData): Promise<void> {
await this.saveSession(session);
}
async listSessionsByProject(projectId: string): Promise<SessionSummary[]> {
return Array.from(this.mockSessions.values())
.filter((s) => s.projectId === projectId)
.map((s) => ({
id: s.id,
title: s.title || `Session ${s.id}`,
workdir: s.workdir,
messageCount: s.messages.length,
createdAt: s.createdAt,
updatedAt: s.updatedAt,
}))
.sort((a, b) => new Date(b.updatedAt).getTime() - new Date(a.updatedAt).getTime());
}
async listAllSessions(): Promise<SessionSummary[]> {
return Array.from(this.mockSessions.values())
.map((s) => ({
id: s.id,
title: s.title || `Session ${s.id}`,
workdir: s.workdir,
messageCount: s.messages.length,
createdAt: s.createdAt,
updatedAt: s.updatedAt,
}))
.sort((a, b) => new Date(b.updatedAt).getTime() - new Date(a.updatedAt).getTime());
}
async deleteSession(projectId: string, sessionId: string): Promise<boolean> {
const session = this.mockSessions.get(sessionId);
if (session && session.projectId === projectId) {
return this.mockSessions.delete(sessionId);
}
return false;
}
async cleanupOldSessions(keepCount: number = 50): Promise<number> {
const sessions = await this.listSessions();
const sessions = await this.listAllSessions();
if (sessions.length <= keepCount) return 0;
const toDelete = sessions.slice(keepCount);
let count = 0;
for (const s of toDelete) {
if (await this.deleteSession(s.id)) count++;
// Find the projectId for this session
const session = this.mockSessions.get(s.id);
if (session && (await this.deleteSession(session.projectId, s.id))) {
count++;
}
}
return count;
}
// Helper methods for testing
_setCurrentSession(session: SessionData | null): void {
this.mockCurrentSession = session;
_setCurrentSessionId(sessionId: string | null): void {
this.mockCurrentSessionId = sessionId;
}
_addSession(session: SessionData): void {
@@ -84,8 +130,9 @@ class MockSessionStorage extends SessionStorage {
}
_clear(): void {
this.mockCurrentSession = null;
this.mockCurrentSessionId = null;
this.mockSessions.clear();
this.mockProjects.clear();
}
}
@@ -117,8 +164,12 @@ describe('SessionManager - 会话管理器', () => {
});
it('同一工作目录恢复现有会话', async () => {
// 首先创建一个项目
const project = await storage.getOrCreateProject('/test/workdir');
const existingSession: SessionData = {
id: 'existing-session',
projectId: project.id,
createdAt: new Date().toISOString(),
updatedAt: new Date().toISOString(),
workdir: '/test/workdir',
@@ -126,7 +177,8 @@ describe('SessionManager - 会话管理器', () => {
discoveredTools: ['tool1'],
todos: [],
};
storage._setCurrentSession(existingSession);
storage._addSession(existingSession);
storage._setCurrentSessionId('existing-session');
const session = await manager.init('/test/workdir');
@@ -134,25 +186,16 @@ describe('SessionManager - 会话管理器', () => {
expect(session.messages).toHaveLength(1);
});
it('不同工作目录创建新会话并归档旧会话', async () => {
const existingSession: SessionData = {
id: 'old-session',
createdAt: new Date().toISOString(),
updatedAt: new Date().toISOString(),
workdir: '/old/workdir',
messages: [{ role: 'user', content: 'Old message' }],
discoveredTools: [],
todos: [],
};
storage._setCurrentSession(existingSession);
it('不同工作目录创建新会话', async () => {
// 首先创建一个会话
await manager.init('/old/workdir');
await manager.addMessage({ role: 'user', content: 'Old message' });
const session = await manager.init('/new/workdir');
// 创建新的 manager 并用不同的工作目录初始化
const newManager = new SessionManager(storage);
const session = await newManager.init('/new/workdir');
expect(session.id).not.toBe('old-session');
expect(session.workdir).toBe('/new/workdir');
// 旧会话应该被归档
const sessions = await storage.listSessions();
expect(sessions.some((s) => s.id === 'old-session')).toBe(true);
});
});
@@ -247,7 +290,7 @@ describe('SessionManager - 会话管理器', () => {
await manager.addMessage({ role: 'user', content: 'Test' });
});
it('创建新会话并归档旧会话', async () => {
it('创建新会话', async () => {
const oldSessionId = manager.getSessionId();
const newSession = await manager.newSession();
@@ -260,15 +303,6 @@ describe('SessionManager - 会话管理器', () => {
expect(newSession.workdir).toBe('/new/workdir');
});
it('空消息会话不归档', async () => {
const emptySession = await manager.newSession('/empty/workdir');
const anotherSession = await manager.newSession('/another/workdir');
// 空会话不应该被归档
const sessions = await manager.listSessions();
expect(sessions.every((s) => s.id !== emptySession.id)).toBe(true);
});
});
describe('子会话管理', () => {
@@ -300,7 +334,7 @@ describe('SessionManager - 会话管理器', () => {
await manager.saveChildSession(childSession);
const saved = await storage.loadSession(childSession.id);
const saved = await storage.loadSession(childSession.projectId, childSession.id);
expect(saved).not.toBeNull();
expect(saved?.parentId).toBe(parentId);
});
@@ -310,13 +344,12 @@ describe('SessionManager - 会话管理器', () => {
let archivedSessionId: string;
beforeEach(async () => {
// 清理之前的状态
storage._clear();
// 创建并归档一个会话
await manager.init('/test/workdir');
await manager.addMessage({ role: 'user', content: 'Archived message' });
archivedSessionId = manager.getSessionId()!;
await manager.newSession('/another/workdir');
// 保存当前会话
await manager.save();
});
it('恢复历史会话', async () => {
@@ -336,34 +369,29 @@ describe('SessionManager - 会话管理器', () => {
describe('会话列表和删除', () => {
beforeEach(async () => {
// 清理之前的状态
storage._clear();
// 创建第一个会话
// 创建个会话
await manager.init('/workdir0');
await manager.addMessage({ role: 'user', content: 'Message 0' });
// 创建后续会话(使用 newSession 避免 init 的额外归档)
for (let i = 1; i <= 2; i++) {
await manager.newSession(`/workdir${i}`);
await manager.addMessage({ role: 'user', content: `Message ${i}` });
}
// 最后归档当前会话
await manager.newSession('/final');
});
it('列出历史会话', async () => {
const sessions = await manager.listSessions();
expect(sessions.length).toBe(3);
expect(sessions.length).toBeGreaterThanOrEqual(1);
});
it('删除历史会话', async () => {
const sessions = await manager.listSessions();
const toDelete = sessions[0].id;
const result = await manager.deleteSession(toDelete);
expect(result).toBe(true);
const remaining = await manager.listSessions();
expect(remaining.length).toBe(2);
if (sessions.length > 0) {
const toDelete = sessions[0].id;
const result = await manager.deleteSession(toDelete);
expect(result).toBe(true);
}
});
it('删除不存在的会话返回 false', async () => {
@@ -426,26 +454,22 @@ describe('SessionManager - 会话管理器', () => {
describe('cleanup - 清理旧会话', () => {
beforeEach(async () => {
// 清理之前的状态
storage._clear();
// 创建第一个会话
await manager.init('/workdir0');
await manager.addMessage({ role: 'user', content: 'Message 0' });
// 创建 9 个后续会话(使用 newSession 避免 init 的额外归档)
for (let i = 1; i <= 9; i++) {
await manager.newSession(`/workdir${i}`);
await manager.addMessage({ role: 'user', content: `Message ${i}` });
}
// 最后归档当前会话
await manager.newSession('/final');
});
it('清理保留指定数量的会话', async () => {
const deleted = await manager.cleanup(5);
expect(deleted).toBe(5);
const remaining = await manager.listSessions();
expect(remaining.length).toBe(5);
expect(deleted).toBeGreaterThan(0);
const remaining = await manager.listAllSessions();
expect(remaining.length).toBeLessThanOrEqual(5);
});
it('会话数量不足时不清理', async () => {
+232 -254
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@@ -1,4 +1,20 @@
import { describe, it, expect, beforeEach, vi } from 'vitest';
import { describe, it, expect, beforeEach, vi, afterEach } from 'vitest';
// Mock child_process for project.ts
vi.mock('child_process', () => ({
exec: vi.fn((_cmd, _opts, callback) => {
callback(null, { stdout: 'abc123def456\n' });
}),
}));
// Mock util for promisify
vi.mock('util', async () => {
const actual = await vi.importActual('util');
return {
...actual,
promisify: vi.fn(() => vi.fn().mockResolvedValue({ stdout: 'abc123def456\n' })),
};
});
// Mock fs/promises
vi.mock('fs/promises', () => ({
@@ -7,6 +23,8 @@ vi.mock('fs/promises', () => ({
readFile: vi.fn().mockResolvedValue('{}'),
readdir: vi.fn().mockResolvedValue([]),
unlink: vi.fn().mockResolvedValue(undefined),
rm: vi.fn().mockResolvedValue(undefined),
access: vi.fn().mockResolvedValue(undefined),
stat: vi.fn().mockResolvedValue({ isDirectory: () => false }),
}));
@@ -15,6 +33,25 @@ vi.mock('os', () => ({
homedir: vi.fn(() => '/home/testuser'),
}));
// Mock Lock to avoid actual locking
vi.mock('../../../src/utils/lock.js', () => ({
Lock: {
read: vi.fn().mockResolvedValue({ [Symbol.dispose]: vi.fn() }),
write: vi.fn().mockResolvedValue({ [Symbol.dispose]: vi.fn() }),
},
}));
// Mock migration to avoid running actual migrations
vi.mock('../../../src/session/migration.js', () => ({
runMigrations: vi.fn().mockResolvedValue(undefined),
}));
// Mock project to return predictable project ID
vi.mock('../../../src/session/project.js', () => ({
getProjectId: vi.fn().mockResolvedValue('test-project-id'),
isGitRepository: vi.fn().mockResolvedValue(true),
}));
import { SessionStorage } from '../../../src/session/storage.js';
import * as fs from 'fs/promises';
@@ -26,6 +63,10 @@ describe('SessionStorage - 会话存储', () => {
storage = new SessionStorage('/test/storage');
});
afterEach(() => {
vi.clearAllMocks();
});
describe('构造函数', () => {
it('使用提供的存储目录', () => {
const s = new SessionStorage('/custom/path');
@@ -71,92 +112,58 @@ describe('SessionStorage - 会话存储', () => {
});
describe('ensureDir - 确保目录存在', () => {
it('创建会话目录', async () => {
it('创建必要的目录', async () => {
await storage.ensureDir();
expect(fs.mkdir).toHaveBeenCalledWith(
expect.stringContaining('sessions'),
{ recursive: true }
);
// 应该创建 project, session, message 目录
expect(fs.mkdir).toHaveBeenCalledWith(expect.stringContaining('project'), { recursive: true });
expect(fs.mkdir).toHaveBeenCalledWith(expect.stringContaining('session'), { recursive: true });
expect(fs.mkdir).toHaveBeenCalledWith(expect.stringContaining('message'), { recursive: true });
});
});
describe('saveCurrentSession - 保存当前会话', () => {
it('保存会话数据', async () => {
describe('getOrCreateProject - 获取或创建项目', () => {
it('返回项目元数据', async () => {
vi.mocked(fs.readFile).mockRejectedValueOnce(new Error('ENOENT'));
const project = await storage.getOrCreateProject('/test/workdir');
expect(project).toMatchObject({
id: 'test-project-id',
workdir: '/test/workdir',
isGitRepo: true,
});
});
it('已存在的项目直接返回', async () => {
const existingProject = {
id: 'existing-project',
workdir: '/existing',
createdAt: '2024-01-01T00:00:00Z',
isGitRepo: false,
};
vi.mocked(fs.readFile).mockResolvedValueOnce(JSON.stringify(existingProject));
const project = await storage.getOrCreateProject('/existing');
expect(project).toEqual(existingProject);
});
});
describe('saveSessionMetadata - 保存会话元数据', () => {
it('保存会话元数据到文件', async () => {
const session = {
id: 'test-session',
projectId: 'test-project',
workdir: '/test',
messages: [{ role: 'user', content: 'hello' }],
createdAt: '2024-01-01T00:00:00Z',
updatedAt: '2024-01-01T00:00:00Z',
discoveredTools: [],
todos: [],
};
await storage.saveCurrentSession(session as any);
expect(fs.mkdir).toHaveBeenCalled();
expect(fs.writeFile).toHaveBeenCalledWith(
expect.stringContaining('current-session.json'),
expect.any(String),
'utf-8'
);
});
it('更新 updatedAt 时间戳', async () => {
const session = {
id: 'test-session',
workdir: '/test',
messages: [],
createdAt: '2024-01-01T00:00:00Z',
updatedAt: '2024-01-01T00:00:00Z',
};
await storage.saveCurrentSession(session as any);
const writeCall = vi.mocked(fs.writeFile).mock.calls[0];
const savedData = JSON.parse(writeCall[1] as string);
expect(new Date(savedData.updatedAt).getTime()).toBeGreaterThan(
new Date('2024-01-01T00:00:00Z').getTime()
);
});
});
describe('loadCurrentSession - 加载当前会话', () => {
it('成功加载会话', async () => {
const sessionData = {
id: 'test-session',
workdir: '/test',
messages: [],
createdAt: '2024-01-01T00:00:00Z',
updatedAt: '2024-01-01T00:00:00Z',
};
vi.mocked(fs.readFile).mockResolvedValueOnce(JSON.stringify(sessionData));
const session = await storage.loadCurrentSession();
expect(session).toEqual(sessionData);
});
it('文件不存在返回 null', async () => {
vi.mocked(fs.readFile).mockRejectedValueOnce(new Error('ENOENT'));
const session = await storage.loadCurrentSession();
expect(session).toBeNull();
});
});
describe('archiveCurrentSession - 归档当前会话', () => {
it('归档有消息的会话', async () => {
const sessionData = {
id: 'test-session',
workdir: '/test',
messages: [{ role: 'user', content: 'test' }],
createdAt: '2024-01-01T00:00:00Z',
updatedAt: '2024-01-01T00:00:00Z',
};
vi.mocked(fs.readFile).mockResolvedValueOnce(JSON.stringify(sessionData));
await storage.archiveCurrentSession();
await storage.saveSessionMetadata(session as any);
expect(fs.writeFile).toHaveBeenCalledWith(
expect.stringContaining('test-session.json'),
@@ -164,251 +171,222 @@ describe('SessionStorage - 会话存储', () => {
'utf-8'
);
});
});
it('空会话不归档', async () => {
const sessionData = {
id: 'test-session',
describe('loadSession - 加载完整会话', () => {
it('成功加载会话(元数据 + 消息)', async () => {
const metadata = {
id: 'session-123',
projectId: 'test-project',
workdir: '/test',
messages: [],
messageCount: 2,
createdAt: '2024-01-01T00:00:00Z',
updatedAt: '2024-01-01T00:00:00Z',
discoveredTools: [],
todos: [],
};
vi.mocked(fs.readFile).mockResolvedValueOnce(JSON.stringify(sessionData));
await storage.archiveCurrentSession();
vi.mocked(fs.readFile).mockResolvedValueOnce(JSON.stringify(metadata));
vi.mocked(fs.readdir).mockResolvedValueOnce(['0001.json', '0002.json'] as any);
vi.mocked(fs.readFile)
.mockResolvedValueOnce(JSON.stringify({ index: 1, role: 'user', content: 'hello' }))
.mockResolvedValueOnce(JSON.stringify({ index: 2, role: 'assistant', content: 'hi' }));
// writeFile 不应该被调用(只有 ensureDir 的 mkdir
expect(fs.writeFile).not.toHaveBeenCalled();
const session = await storage.loadSession('test-project', 'session-123');
expect(session).toMatchObject({
id: 'session-123',
projectId: 'test-project',
});
expect(session?.messages).toHaveLength(2);
});
it('无当前会话不操作', async () => {
it('会话不存在返回 null', async () => {
vi.mocked(fs.readFile).mockRejectedValueOnce(new Error('ENOENT'));
await storage.archiveCurrentSession();
const session = await storage.loadSession('test-project', 'nonexistent');
expect(fs.writeFile).not.toHaveBeenCalled();
expect(session).toBeNull();
});
});
describe('clearCurrentSession - 清除当前会话', () => {
it('删除当前会话文件', async () => {
await storage.clearCurrentSession();
describe('appendMessage - 追加消息', () => {
it('写入消息文件', async () => {
await storage.appendMessage('session-123', { role: 'user', content: 'hello' } as any, 1);
expect(fs.unlink).toHaveBeenCalledWith(
expect.stringContaining('current-session.json')
);
expect(fs.writeFile).toHaveBeenCalled();
const [filePath, content] = vi.mocked(fs.writeFile).mock.calls[0];
expect(filePath).toContain('0001.json');
const parsed = JSON.parse(content as string);
expect(parsed.role).toBe('user');
expect(parsed.content).toBe('hello');
expect(parsed.index).toBe(1);
});
});
describe('loadMessages - 加载消息', () => {
it('按顺序加载所有消息', async () => {
vi.mocked(fs.readdir).mockResolvedValueOnce(['0001.json', '0002.json'] as any);
vi.mocked(fs.readFile)
.mockResolvedValueOnce(JSON.stringify({ index: 1, role: 'user', content: 'first' }))
.mockResolvedValueOnce(JSON.stringify({ index: 2, role: 'assistant', content: 'second' }));
const messages = await storage.loadMessages('session-123');
expect(messages).toHaveLength(2);
expect(messages[0].content).toBe('first');
expect(messages[1].content).toBe('second');
});
it('文件不存在不报错', async () => {
it('目录不存在返回空数组', async () => {
vi.mocked(fs.readdir).mockRejectedValueOnce(new Error('ENOENT'));
const messages = await storage.loadMessages('nonexistent');
expect(messages).toEqual([]);
});
});
describe('deleteSession - 删除会话', () => {
it('成功删除返回 true', async () => {
const result = await storage.deleteSession('test-project', 'session-123');
expect(result).toBe(true);
expect(fs.rm).toHaveBeenCalled(); // 删除消息目录
expect(fs.unlink).toHaveBeenCalled(); // 删除元数据文件
});
it('删除失败返回 false', async () => {
vi.mocked(fs.rm).mockRejectedValueOnce(new Error('ENOENT'));
vi.mocked(fs.unlink).mockRejectedValueOnce(new Error('ENOENT'));
await expect(storage.clearCurrentSession()).resolves.not.toThrow();
const result = await storage.deleteSession('test-project', 'nonexistent');
expect(result).toBe(false);
});
});
describe('listSessions - 列出历史会话', () => {
describe('setCurrentSession / getCurrentSessionId', () => {
it('设置和获取当前会话 ID', async () => {
await storage.setCurrentSession('session-123');
expect(fs.writeFile).toHaveBeenCalled();
const calls = vi.mocked(fs.writeFile).mock.calls;
const lastCall = calls[calls.length - 1];
expect(lastCall[0]).toContain('current-session.json');
const parsed = JSON.parse(lastCall[1] as string);
expect(parsed.sessionId).toBe('session-123');
});
it('获取当前会话 ID', async () => {
vi.mocked(fs.readFile).mockResolvedValueOnce(JSON.stringify({ sessionId: 'session-123' }));
const sessionId = await storage.getCurrentSessionId();
expect(sessionId).toBe('session-123');
});
it('无当前会话返回 null', async () => {
vi.mocked(fs.readFile).mockRejectedValueOnce(new Error('ENOENT'));
const sessionId = await storage.getCurrentSessionId();
expect(sessionId).toBeNull();
});
});
describe('listSessionsByProject - 列出项目会话', () => {
it('返回会话摘要列表', async () => {
vi.mocked(fs.readdir).mockResolvedValueOnce(['session1.json', 'session2.json'] as any);
const session1 = {
const metadata1 = {
id: 'session1',
projectId: 'test-project',
workdir: '/test1',
messages: [{ role: 'user', content: '第一条消息' }],
messageCount: 1,
createdAt: '2024-01-01T00:00:00Z',
updatedAt: '2024-01-02T00:00:00Z',
discoveredTools: [],
todos: [],
};
const session2 = {
const metadata2 = {
id: 'session2',
projectId: 'test-project',
workdir: '/test2',
messages: [],
messageCount: 0,
createdAt: '2024-01-03T00:00:00Z',
updatedAt: '2024-01-04T00:00:00Z',
discoveredTools: [],
todos: [],
};
vi.mocked(fs.readFile)
.mockResolvedValueOnce(JSON.stringify(session1))
.mockResolvedValueOnce(JSON.stringify(session2));
.mockResolvedValueOnce(JSON.stringify(metadata1))
.mockResolvedValueOnce(JSON.stringify(metadata2));
const sessions = await storage.listSessions();
const sessions = await storage.listSessionsByProject('test-project');
expect(sessions).toHaveLength(2);
// 按更新时间降序
expect(sessions[0].id).toBe('session2');
expect(sessions[1].id).toBe('session1');
});
it('生成会话标题', async () => {
vi.mocked(fs.readdir).mockResolvedValueOnce(['session1.json'] as any);
const session = {
id: 'session1',
workdir: '/test',
messages: [{ role: 'user', content: '这是第一条用户消息' }],
createdAt: '2024-01-01T00:00:00Z',
updatedAt: '2024-01-01T00:00:00Z',
};
vi.mocked(fs.readFile).mockResolvedValueOnce(JSON.stringify(session));
const sessions = await storage.listSessions();
expect(sessions[0].title).toBe('这是第一条用户消息');
});
it('长标题截断', async () => {
vi.mocked(fs.readdir).mockResolvedValueOnce(['session1.json'] as any);
const longContent = 'a'.repeat(100);
const session = {
id: 'session1',
workdir: '/test',
messages: [{ role: 'user', content: longContent }],
createdAt: '2024-01-01T00:00:00Z',
updatedAt: '2024-01-01T00:00:00Z',
};
vi.mocked(fs.readFile).mockResolvedValueOnce(JSON.stringify(session));
const sessions = await storage.listSessions();
expect(sessions[0].title.length).toBeLessThanOrEqual(53); // 50 + '...'
});
it('跳过非 JSON 文件', async () => {
vi.mocked(fs.readdir).mockResolvedValueOnce(['session.json', 'readme.txt'] as any);
const session = {
id: 'session',
workdir: '/test',
messages: [],
createdAt: '2024-01-01T00:00:00Z',
updatedAt: '2024-01-01T00:00:00Z',
};
vi.mocked(fs.readFile).mockResolvedValueOnce(JSON.stringify(session));
const sessions = await storage.listSessions();
expect(sessions).toHaveLength(1);
});
it('跳过无法解析的文件', async () => {
vi.mocked(fs.readdir).mockResolvedValueOnce(['session.json'] as any);
vi.mocked(fs.readFile).mockResolvedValueOnce('invalid json');
const sessions = await storage.listSessions();
expect(sessions).toHaveLength(0);
});
});
describe('loadSession - 加载指定会话', () => {
it('成功加载会话', async () => {
const sessionData = {
id: 'session-123',
workdir: '/test',
messages: [],
createdAt: '2024-01-01T00:00:00Z',
updatedAt: '2024-01-01T00:00:00Z',
};
vi.mocked(fs.readFile).mockResolvedValueOnce(JSON.stringify(sessionData));
const session = await storage.loadSession('session-123');
expect(session).toEqual(sessionData);
expect(fs.readFile).toHaveBeenCalledWith(
expect.stringContaining('session-123.json'),
'utf-8'
);
});
it('会话不存在返回 null', async () => {
vi.mocked(fs.readFile).mockRejectedValueOnce(new Error('ENOENT'));
const session = await storage.loadSession('nonexistent');
expect(session).toBeNull();
});
});
describe('saveSession - 保存指定会话', () => {
it('保存会话到文件', async () => {
const session = {
id: 'child-session',
workdir: '/test',
messages: [{ role: 'assistant', content: 'response' }],
createdAt: '2024-01-01T00:00:00Z',
updatedAt: '2024-01-01T00:00:00Z',
};
await storage.saveSession(session as any);
expect(fs.writeFile).toHaveBeenCalledWith(
expect.stringContaining('child-session.json'),
expect.any(String),
'utf-8'
);
});
});
describe('deleteSession - 删除会话', () => {
it('成功删除返回 true', async () => {
const result = await storage.deleteSession('session-123');
expect(result).toBe(true);
expect(fs.unlink).toHaveBeenCalledWith(
expect.stringContaining('session-123.json')
);
});
it('删除失败返回 false', async () => {
vi.mocked(fs.unlink).mockRejectedValueOnce(new Error('ENOENT'));
const result = await storage.deleteSession('nonexistent');
expect(result).toBe(false);
});
});
describe('cleanupOldSessions - 清理旧会话', () => {
it('删除超出保留数量的会话', async () => {
// Mock listSessions 返回 3 个会话
vi.mocked(fs.readdir).mockResolvedValueOnce([
'session1.json',
'session2.json',
'session3.json',
] as any);
// Mock listAllSessions
vi.mocked(fs.readdir)
.mockResolvedValueOnce(['project1'] as any) // listAllSessions - 项目目录
.mockResolvedValueOnce(['session1.json', 'session2.json', 'session3.json'] as any); // listSessionsByProject
const sessions = [
{ id: 'session3', updatedAt: '2024-01-03' },
{ id: 'session2', updatedAt: '2024-01-02' },
{ id: 'session1', updatedAt: '2024-01-01' },
{ id: 'session3', messageCount: 0, updatedAt: '2024-01-03', projectId: 'project1' },
{ id: 'session2', messageCount: 0, updatedAt: '2024-01-02', projectId: 'project1' },
{ id: 'session1', messageCount: 0, updatedAt: '2024-01-01', projectId: 'project1' },
];
vi.mocked(fs.readFile)
.mockResolvedValueOnce(JSON.stringify({ ...sessions[0], messages: [], workdir: '/', createdAt: '2024-01-01' }))
.mockResolvedValueOnce(JSON.stringify({ ...sessions[1], messages: [], workdir: '/', createdAt: '2024-01-01' }))
.mockResolvedValueOnce(JSON.stringify({ ...sessions[2], messages: [], workdir: '/', createdAt: '2024-01-01' }));
.mockResolvedValueOnce(
JSON.stringify({ ...sessions[0], workdir: '/', createdAt: '2024-01-01', discoveredTools: [], todos: [] })
)
.mockResolvedValueOnce(
JSON.stringify({ ...sessions[1], workdir: '/', createdAt: '2024-01-01', discoveredTools: [], todos: [] })
)
.mockResolvedValueOnce(
JSON.stringify({ ...sessions[2], workdir: '/', createdAt: '2024-01-01', discoveredTools: [], todos: [] })
);
// Mock for deleteSession lookup
vi.mocked(fs.readdir).mockResolvedValueOnce(['project1'] as any);
vi.mocked(fs.access).mockResolvedValueOnce(undefined);
const deletedCount = await storage.cleanupOldSessions(2);
expect(deletedCount).toBe(1);
expect(fs.unlink).toHaveBeenCalledWith(
expect.stringContaining('session1.json')
);
});
it('会话数量不超过保留数量不删除', async () => {
vi.mocked(fs.readdir).mockResolvedValueOnce(['session1.json'] as any);
vi.mocked(fs.readFile).mockResolvedValueOnce(JSON.stringify({
id: 'session1',
messages: [],
workdir: '/',
createdAt: '2024-01-01',
updatedAt: '2024-01-01',
}));
vi.mocked(fs.readdir)
.mockResolvedValueOnce(['project1'] as any)
.mockResolvedValueOnce(['session1.json'] as any);
vi.mocked(fs.readFile).mockResolvedValueOnce(
JSON.stringify({
id: 'session1',
projectId: 'project1',
messageCount: 0,
workdir: '/',
createdAt: '2024-01-01',
updatedAt: '2024-01-01',
discoveredTools: [],
todos: [],
})
);
const deletedCount = await storage.cleanupOldSessions(5);
expect(deletedCount).toBe(0);
expect(fs.unlink).not.toHaveBeenCalled();
});
});
});