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refactor(session): 升级存储系统架构

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- 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:
kurihada
2025-12-13 10:41:36 +08:00
parent 26e8646518
commit 9ff2934089
11 changed files with 1277 additions and 487 deletions
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packages/core/tests/unit/session/manager.test.ts
+112 -88
View File
@@ -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
// 创建多个会话
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 () => {