test(kit): improve conversation and message coverage

packages/kit/src/storage/localStorageStrategy.ts

@@ -76,11 +76,15 @@ export class LocalStorageStrategy implements ConversationStorageStrategy {
   }
 
   deleteConversation(conversationId: string) {
-    const conversations = getConversations(this.storageKey)
-    const index = conversations.findIndex((item) => item.id === conversationId)
-    if (index !== -1) {
-      conversations.splice(index, 1)
+    try {
+      const conversations = getConversations(this.storageKey)
+      const index = conversations.findIndex((item) => item.id === conversationId)
+      if (index !== -1) {
+        conversations.splice(index, 1)
+      }
+      localStorage.setItem(this.storageKey, JSON.stringify(conversations))
+    } catch (error) {
+      console.error('删除会话失败:', error)
     }
-    localStorage.setItem(this.storageKey, JSON.stringify(conversations))
   }
 }

packages/kit/src/storage/storageStrategies.test.ts

@@ -0,0 +1,131 @@
+import 'fake-indexeddb/auto'
+import { reactive } from 'vue'
+import { afterEach, describe, expect, it, vi } from 'vitest'
+import type { ChatMessage } from '../types'
+import type { ConversationInfo } from '../vue/conversation/types'
+import { indexedDBStorageStrategyFactory, localStorageStrategyFactory } from './factories'
+
+const createLocalStorage = () => {
+  const values = new Map<string, string>()
+  const storage: Storage = {
+    get length() {
+      return values.size
+    },
+    clear: () => values.clear(),
+    getItem: (key) => values.get(key) ?? null,
+    key: (index) => [...values.keys()][index] ?? null,
+    removeItem: (key) => values.delete(key),
+    setItem: (key, value) => values.set(key, value),
+  }
+  return { storage, values }
+}
+
+const conversation = (id: string, updatedAt: number): ConversationInfo => ({
+  id,
+  title: `Conversation ${id}`,
+  createdAt: updatedAt - 1,
+  updatedAt,
+  metadata: { source: 'test' },
+})
+
+afterEach(() => {
+  vi.unstubAllGlobals()
+  vi.restoreAllMocks()
+})
+
+describe('localStorageStrategyFactory', () => {
+  it('persists conversation metadata and restores legacy messages through the configured key', async () => {
+    const { storage, values } = createLocalStorage()
+    vi.stubGlobal('localStorage', storage)
+    const strategy = localStorageStrategyFactory({ key: 'conversation-test' })
+    const legacyMessage = {
+      role: 'assistant',
+      content: 'stale',
+      renderContent: [
+        { type: 'collapsible-text', content: 'thinking ' },
+        { type: 'collapsible-text', content: 'done' },
+        { type: 'markdown', content: 'Hello ' },
+        { type: 'text', content: 'world' },
+      ],
+    } as ChatMessage
+
+    await strategy.saveConversation(conversation('one', 10))
+    await strategy.saveConversation({ ...conversation('one', 20), title: 'Updated title' })
+    await strategy.saveMessages('one', [legacyMessage])
+
+    expect(await strategy.loadConversations()).toEqual([
+      {
+        id: 'one',
+        title: 'Updated title',
+        createdAt: 19,
+        updatedAt: 20,
+        metadata: { source: 'test' },
+      },
+    ])
+    expect(await strategy.loadMessages('one')).toEqual([
+      {
+        role: 'assistant',
+        content: 'Hello world',
+        reasoning_content: 'thinking done',
+      },
+    ])
+    expect(JSON.parse(values.get('conversation-test') ?? '[]')).toHaveLength(1)
+
+    await strategy.deleteConversation?.('one')
+
+    expect(await strategy.loadConversations()).toEqual([])
+    expect(await strategy.loadMessages('one')).toEqual([])
+  })
+
+  it('returns empty data and keeps delete safe when persisted JSON is corrupted', async () => {
+    const { storage, values } = createLocalStorage()
+    values.set('corrupted', '{not-json')
+    vi.stubGlobal('localStorage', storage)
+    vi.spyOn(console, 'error').mockImplementation(() => undefined)
+    const strategy = localStorageStrategyFactory({ key: 'corrupted' })
+
+    expect(await strategy.loadConversations()).toEqual([])
+    expect(await strategy.loadMessages('missing')).toEqual([])
+    expect(() => strategy.deleteConversation?.('missing')).not.toThrow()
+  })
+})
+
+describe('indexedDBStorageStrategyFactory', () => {
+  it('creates, updates, sorts, restores, and deletes conversations', async () => {
+    const strategy = indexedDBStorageStrategyFactory({
+      dbName: `tiny-robot-conversations-${crypto.randomUUID()}`,
+      dbVersion: 1,
+    })
+    const first = reactive(conversation('first', 10)) as ConversationInfo
+    const second = reactive(conversation('second', 20)) as ConversationInfo
+    const messages = reactive([
+      {
+        role: 'assistant',
+        content: '',
+        renderContent: [
+          { type: 'collapsible-text', content: 'reason' },
+          { type: 'markdown', content: 'answer' },
+        ],
+      },
+    ]) as ChatMessage[]
+
+    await strategy.saveConversation(first)
+    await strategy.saveConversation(second)
+    await strategy.saveConversation({ ...first, title: 'First updated', updatedAt: 30 })
+    await strategy.saveMessages('first', messages)
+
+    expect(await strategy.loadConversations()).toEqual([
+      { ...conversation('first', 10), title: 'First updated', updatedAt: 30 },
+      conversation('second', 20),
+    ])
+    expect(await strategy.loadMessages('first')).toEqual([
+      { role: 'assistant', content: 'answer', reasoning_content: 'reason' },
+    ])
+    expect(await strategy.loadMessages('missing')).toEqual([])
+
+    await strategy.deleteConversation?.('first')
+
+    expect(await strategy.loadConversations()).toEqual([conversation('second', 20)])
+    expect(await strategy.loadMessages('first')).toEqual([])
+  })
+})

packages/kit/src/storage/utils.test.ts

@@ -0,0 +1,89 @@
+import { reactive } from 'vue'
+import { describe, expect, it, vi } from 'vitest'
+import type { ChatMessage } from '../types'
+import { transformMessages, unwrapProxy } from './utils'
+
+describe('unwrapProxy', () => {
+  it('creates a serializable graph while preserving supported values and shared references', () => {
+    const shared = { value: 1 }
+    const source: Record<string, unknown> = {
+      nested: shared,
+      list: [shared],
+      date: new Date('2026-09-08T00:00:00.000Z'),
+      regexp: /robot/gi,
+      buffer: new Uint8Array([1, 2, 3]).buffer,
+      blob: new Blob(['hello'], { type: 'text/plain' }),
+      callback: () => 'ignored',
+      token: Symbol('ignored'),
+    }
+    Object.defineProperty(source, 'computed', { enumerable: true, get: () => 'ignored' })
+    source.self = source
+
+    const result = unwrapProxy(reactive(source))
+
+    expect(result).not.toBe(source)
+    expect(result.nested).toEqual({ value: 1 })
+    expect(result.nested).toBe((result.list as unknown[])[0])
+    expect(result.date).toBe(source.date)
+    expect(result.regexp).toBe(source.regexp)
+    expect(result.buffer).toBe(source.buffer)
+    expect(result.blob).toBe(source.blob)
+    expect(result.self).toBe(result)
+    expect(result).not.toHaveProperty('callback')
+    expect(result).not.toHaveProperty('token')
+    expect(result).not.toHaveProperty('computed')
+  })
+
+  it('passes through null, undefined, and primitive values', () => {
+    expect(unwrapProxy(null)).toBeNull()
+    expect(unwrapProxy(undefined)).toBeUndefined()
+    expect(unwrapProxy('text')).toBe('text')
+    expect(unwrapProxy(42)).toBe(42)
+  })
+
+  it('falls back to an empty container when an object cannot be inspected', () => {
+    vi.spyOn(console, 'warn').mockImplementation(() => undefined)
+    const inaccessible = new Proxy(
+      {},
+      {
+        ownKeys() {
+          throw new Error('cannot inspect')
+        },
+      },
+    )
+
+    expect(unwrapProxy(inaccessible)).toEqual({})
+  })
+})
+
+describe('transformMessages', () => {
+  it('preserves modern message content', () => {
+    const message: ChatMessage = { role: 'user', content: 'already modern' }
+
+    expect(transformMessages([message])).toEqual([{ role: 'user', content: 'already modern' }])
+  })
+
+  it('combines legacy reasoning and text segments and removes renderContent', () => {
+    const message = {
+      role: 'assistant',
+      content: 'old',
+      metadata: { id: 'message-1' },
+      renderContent: [
+        { type: 'collapsible-text', content: 'reason ' },
+        { type: 'collapsible-text', content: 'complete' },
+        { type: 'markdown', content: 'new ' },
+        { type: 'text', content: 'answer' },
+        { type: 'image', content: 'ignored' },
+      ],
+    } as ChatMessage
+
+    expect(transformMessages([message])).toEqual([
+      {
+        role: 'assistant',
+        content: 'new answer',
+        reasoning_content: 'reason complete',
+        metadata: { id: 'message-1' },
+      },
+    ])
+  })
+})