MailUI4Agents/plugins/dsh-mail-bridge/test/session-snapshot.test.mjs

/**
 * 平台会话快照的纯函数测试。
 *
 * 这些函数的产出直接决定「写信时能不能选到某条会话」：slug 错了就填出一个
 * 送不到的 session 位（三态语义下会 404），workspace 错了就归到别的工作区去。
 *
 *   node --test test/
 */

import { test } from 'node:test';
import assert from 'node:assert/strict';
import {
  snapshotOpencodeSessions,
  snapshotDshSessions,
  slugFromTitle,
  MAX_REPORTED,
} from '../lib/session-snapshot.js';

// ─── opencode ───

const ocSession = (over = {}) => ({
  id: 'ses_abc',
  slug: 'witty-planet',
  title: '重构导入路径',
  directory: '/home/program/agentmail',
  path: '',
  time: { created: 1788300000000, updated: 1788344476744 },
  ...over,
});

test('opencode 快照取 directory 作为 workspace', () => {
  const [got] = snapshotOpencodeSessions([ocSession()]);
  assert.equal(got.workspace, '/home/program/agentmail');
});

test('不变量：workspace 取 directory 而不是 path', () => {
  // opencode 的 path 是项目内的子路径（通常是空串），cwd 在 directory 上。
  // 取错的后果是所有会话的 workspace 都变成空串，一条都匹配不上。
  const [got] = snapshotOpencodeSessions([
    ocSession({ directory: '/home/real/cwd', path: 'src/sub' }),
  ]);
  assert.equal(got.workspace, '/home/real/cwd');
});

test('opencode 快照带出 slug 与标题', () => {
  const [got] = snapshotOpencodeSessions([ocSession()]);
  assert.equal(got.slug, 'witty-planet');
  assert.equal(got.title, '重构导入路径');
  assert.equal(got.platform_id, 'ses_abc');
});

test('不变量：无 slug 的会话不上报', () => {
  // slug 是填进 session 位的值。没有它，这一项在补全里点下去
  // 只能得到 `name@path.` —— 一个空的 session 段。
  const got = snapshotOpencodeSessions([
    ocSession({ id: 'a', slug: '' }),
    ocSession({ id: 'b', slug: undefined }),
    ocSession({ id: 'c', slug: 'good-name' }),
  ]);
  assert.equal(got.length, 1);
  assert.equal(got[0].slug, 'good-name');
});

test('无 id 的条目被跳过', () => {
  const got = snapshotOpencodeSessions([ocSession({ id: '' }), ocSession({ id: undefined })]);
  assert.equal(got.length, 0);
});

test('mail_driven 由回调判定', () => {
  const got = snapshotOpencodeSessions(
    [ocSession({ id: 'driven' }), ocSession({ id: 'manual' })],
    id => id === 'driven'
  );
  assert.equal(got.find(s => s.platform_id === 'driven').mail_driven, true);
  assert.equal(got.find(s => s.platform_id === 'manual').mail_driven, false);
});

test('updated_at 由毫秒时间戳转 ISO', () => {
  const [got] = snapshotOpencodeSessions([ocSession()]);
  assert.equal(got.updated_at, new Date(1788344476744).toISOString());
});

test('没有 updated 时退回 created', () => {
  const [got] = snapshotOpencodeSessions([
    ocSession({ time: { created: 1788300000000 } }),
  ]);
  assert.equal(got.updated_at, new Date(1788300000000).toISOString());
});

test('时间完全缺失时 updated_at 为 undefined 而不是崩', () => {
  const [got] = snapshotOpencodeSessions([ocSession({ time: undefined })]);
  assert.equal(got.updated_at, undefined);
});

test('按最近活跃降序排列', () => {
  const got = snapshotOpencodeSessions([
    ocSession({ id: 'old', slug: 'old', time: { updated: 1000 } }),
    ocSession({ id: 'new', slug: 'new', time: { updated: 9000 } }),
    ocSession({ id: 'mid', slug: 'mid', time: { updated: 5000 } }),
  ]);
  assert.deepEqual(got.map(s => s.platform_id), ['new', 'mid', 'old']);
});

test('截断到 MAX_REPORTED', () => {
  const many = Array.from({ length: MAX_REPORTED + 50 }, (_, i) =>
    ocSession({ id: `s${i}`, slug: `slug-${i}`, time: { updated: i } })
  );
  assert.equal(snapshotOpencodeSessions(many).length, MAX_REPORTED);
});

test('非数组输入不崩', () => {
  assert.deepEqual(snapshotOpencodeSessions(undefined), []);
  assert.deepEqual(snapshotOpencodeSessions(null), []);
  assert.deepEqual(snapshotOpencodeSessions({}), []);
});

// ─── DSH ───

test('DSH 快照从标题派生 slug', () => {
  const [got] = snapshotDshSessions([
    { id: 'mail-1', cwd: '/home/x', title: '缓存层选型评估', updatedAt: 1788344476744 },
  ]);
  assert.equal(got.slug, '缓存层选型评估');
  assert.equal(got.title, '缓存层选型评估');
  assert.equal(got.workspace, '/home/x');
});

test('DSH 无标题时不上报（派生不出别名）', () => {
  const got = snapshotDshSessions([
    { id: 'a', cwd: '/home/x', title: '' },
    { id: 'b', cwd: '/home/x' },
  ]);
  assert.equal(got.length, 0);
});

// ─── slugFromTitle ───

test('slugFromTitle 空白转连字符', () => {
  assert.equal(slugFromTitle('处理新邮件 任务'), '处理新邮件-任务');
  assert.equal(slugFromTitle('a  b   c'), 'a-b-c');
});

test('不变量：slug 不含寻址分隔符', () => {
  // `.` 是 session 位的分隔符、`@` 是 path 位的分隔符。留在 slug 里
  // 会让别名自己被解析器切开 —— 填进去的地址会指向一个完全不同的目标。
  const slug = slugFromTitle('修 a.b@c/d 的问题');
  for (const ch of ['.', '@', '/', '\\', ':']) {
    assert.ok(!slug.includes(ch), `slug 里不该有 ${ch}：${slug}`);
  }
});

test('slugFromTitle 压缩连续连字符', () => {
  assert.equal(slugFromTitle('a...b'), 'ab');
  assert.equal(slugFromTitle('a   -   b'), 'a-b');
});

test('slugFromTitle 去掉首尾连字符', () => {
  assert.equal(slugFromTitle('  中间  '), '中间');
  assert.equal(slugFromTitle('--x--'), 'x');
});

test('slugFromTitle 截断到 48 字符且不留尾部连字符', () => {
  const long = 'a'.repeat(60);
  assert.equal(slugFromTitle(long).length, 48);
  // 第 48 个字符正好落在空格上时，截断后不该留下尾部 -
  const tricky = `${'b'.repeat(47)} tail`;
  const slug = slugFromTitle(tricky);
  assert.ok(!slug.endsWith('-'), `尾部残留连字符：${slug}`);
});

test('slugFromTitle 保留中文', () => {
  // 不转拼音：huancunceng-xuanxing 既不好读也不好打，
  // 而三维地址按最后一个 . 切分，中文不影响解析。
  assert.equal(slugFromTitle('缓存选型'), '缓存选型');
});

test('slugFromTitle 纯符号标题返回空串', () => {
  assert.equal(slugFromTitle('...'), '');
  assert.equal(slugFromTitle('@@@'), '');
  assert.equal(slugFromTitle('   '), '');
});

test('slugFromTitle 容错非字符串', () => {
  assert.equal(slugFromTitle(undefined), '');
  assert.equal(slugFromTitle(null), '');
  assert.equal(slugFromTitle(42), '42');
});

// ─── DSH：subagent 过滤与 slug 去重 ───

test('不变量：subagent 子会话不上报（origin 判据）', () => {
  // 它们是父 agent 内部的工作单元，人往里发邮件毫无意义。
  const got = snapshotDshSessions([
    { id: 'child', cwd: '/w', title: 'You are auditing ONE file', origin: 'subagent' },
    { id: 'top', cwd: '/w', title: '正常会话' },
  ]);
  assert.equal(got.length, 1);
  assert.equal(got[0].platform_id, 'top');
});

test('不变量：subagent 子会话不上报（delegationDepth 判据）', () => {
  const got = snapshotDshSessions([
    { id: 'child', cwd: '/w', title: '子任务', delegationDepth: 1 },
    { id: 'top', cwd: '/w', title: '顶层', delegationDepth: 0 },
  ]);
  assert.equal(got.length, 1);
  assert.equal(got[0].platform_id, 'top');
});

test('不变量：slug 撞名只留最近那条', () => {
  // 别名是寻址用的：同一个 slug 对应多条会话时服务端只能取其中一条，
  // 上报一堆同名项只会让补全列表里出现几个点哪个都不确定的候选。
  const got = snapshotDshSessions([
    { id: 'old', cwd: '/w', title: '同一个标题', updatedAt: 1000 },
    { id: 'new', cwd: '/w', title: '同一个标题', updatedAt: 9000 },
    { id: 'mid', cwd: '/w', title: '同一个标题', updatedAt: 5000 },
  ]);
  assert.equal(got.length, 1, `应去重到 1 条，实际 ${got.length}`);
  assert.equal(got[0].platform_id, 'new', '应保留最近活跃的那条');
});

test('不同标题不受去重影响', () => {
  const got = snapshotDshSessions([
    { id: 'a', cwd: '/w', title: '标题一', updatedAt: 2000 },
    { id: 'b', cwd: '/w', title: '标题二', updatedAt: 1000 },
  ]);
  assert.equal(got.length, 2);
});