mirror of https://github.com/jackwener/wx-cli.git
591 lines
23 KiB
Python
591 lines
23 KiB
Python
import hashlib
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import os
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import sqlite3
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import tempfile
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import unittest
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from unittest.mock import patch
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import mcp_server
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class _FakeCache:
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# 用最小缓存桩替代真实解密缓存，避免单元测试依赖本地微信环境。
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def __init__(self, mapping):
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self._mapping = mapping
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def get(self, rel_key):
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return self._mapping.get(rel_key)
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def _msg_table_name(username):
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# 生产代码使用 username 的 md5 作为消息表名，测试里保持一致。
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return f"Msg_{hashlib.md5(username.encode()).hexdigest()}"
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def _create_message_db(path, chats):
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# 构造最小可用消息库，只包含搜索/历史查询依赖的字段。
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conn = sqlite3.connect(path)
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try:
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conn.execute("CREATE TABLE Name2Id (user_name TEXT)")
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for username, messages in chats.items():
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conn.execute("INSERT INTO Name2Id(user_name) VALUES (?)", (username,))
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table_name = _msg_table_name(username)
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conn.execute(
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f"""
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CREATE TABLE [{table_name}] (
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local_id INTEGER,
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local_type INTEGER,
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create_time INTEGER,
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real_sender_id INTEGER,
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message_content TEXT,
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WCDB_CT_message_content INTEGER
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)
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"""
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)
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for local_id, create_time, content in messages:
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conn.execute(
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f"""
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INSERT INTO [{table_name}] (
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local_id, local_type, create_time, real_sender_id,
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message_content, WCDB_CT_message_content
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) VALUES (?, ?, ?, ?, ?, ?)
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""",
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(local_id, 1, create_time, 0, content, 0),
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)
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conn.commit()
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finally:
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conn.close()
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class SearchMessagesTests(unittest.TestCase):
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def setUp(self):
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self.temp_dir = tempfile.TemporaryDirectory()
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self.addCleanup(self.temp_dir.cleanup)
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def create_db(self, filename, chats):
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path = os.path.join(self.temp_dir.name, filename)
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_create_message_db(path, chats)
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return path
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def test_validate_pagination_rejects_large_limit(self):
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# 防止单次查询过大，保证 limit 上限校验存在。
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with self.assertRaisesRegex(ValueError, "limit 不能大于 500"):
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mcp_server._validate_pagination(501, 0)
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def test_page_search_entries_returns_chronological_results_with_offset(self):
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# 结果应先按最新时间分页，再把当前页恢复成时间正序输出。
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entries = [(1, "a"), (5, "e"), (3, "c"), (4, "d"), (2, "b")]
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paged = mcp_server._page_search_entries(entries, limit=2, offset=1)
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self.assertEqual(paged, [(3, "c"), (4, "d")])
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def test_search_messages_single_chat_uses_offset_and_returns_page(self):
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# 单聊分页应只返回当前页，并按聊天阅读顺序展示。
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db_path = self.create_db(
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"single.db",
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{
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"alice": [
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(1, 100, "foo newest"),
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(2, 90, "foo middle"),
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(3, 80, "foo oldest"),
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]
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},
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)
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ctx = {
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"query": "Alice",
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"username": "alice",
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"display_name": "Alice",
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"db_path": db_path,
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"table_name": _msg_table_name("alice"),
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"message_tables": [{"db_path": db_path, "table_name": _msg_table_name("alice")}],
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"is_group": False,
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}
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with patch.object(mcp_server, "get_contact_names", return_value={"alice": "Alice"}), patch.object(
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mcp_server, "_resolve_chat_context", return_value=ctx
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):
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result = mcp_server.search_messages("foo", chat_name="Alice", limit=2, offset=1)
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self.assertIn('在 Alice 中搜索 "foo" 找到 2 条结果（offset=1, limit=2）', result)
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self.assertLess(result.index("foo oldest"), result.index("foo middle"))
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self.assertNotIn("foo newest", result)
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def test_search_messages_multiple_chats_applies_global_pagination(self):
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# 多个聊天联合搜索时，分页必须基于合并后的全局结果。
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db_path = self.create_db(
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"multi.db",
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{
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"alice": [
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(1, 110, "foo a1"),
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(2, 90, "foo a2"),
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],
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"bob": [
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(1, 100, "foo b1"),
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(2, 80, "foo b2"),
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],
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},
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)
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contexts = [
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{
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"query": "Alice",
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"username": "alice",
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"display_name": "Alice",
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"db_path": db_path,
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"table_name": _msg_table_name("alice"),
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"message_tables": [{"db_path": db_path, "table_name": _msg_table_name("alice")}],
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"is_group": False,
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},
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{
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"query": "Bob",
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"username": "bob",
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"display_name": "Bob",
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"db_path": db_path,
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"table_name": _msg_table_name("bob"),
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"message_tables": [{"db_path": db_path, "table_name": _msg_table_name("bob")}],
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"is_group": False,
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},
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]
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with patch.object(mcp_server, "get_contact_names", return_value={"alice": "Alice", "bob": "Bob"}), patch.object(
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mcp_server, "_resolve_chat_contexts", return_value=(contexts, [], [])
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):
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result = mcp_server.search_messages("foo", chat_name=["Alice", "Bob"], limit=2, offset=1)
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self.assertIn('在 2 个聊天对象中搜索 "foo" 找到 2 条结果（offset=1, limit=2）', result)
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self.assertLess(result.index("foo a2"), result.index("foo b1"))
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self.assertNotIn("foo a1", result)
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self.assertNotIn("foo b2", result)
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def test_search_messages_all_messages_merges_global_results_before_paging(self):
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# 全库搜索要基于跨库合并后的全局时间线分页，不能被单个分库提前截断。
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older_db = self.create_db(
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"older.db",
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{"older_user": [(1, 10, "foo older 1"), (2, 9, "foo older 2"), (3, 8, "foo older 3")]},
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)
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newer_db = self.create_db(
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"newer.db",
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{"newer_user": [(1, 30, "foo newer 1"), (2, 20, "foo newer 2")]},
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)
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fake_cache = _FakeCache({"older": older_db, "newer": newer_db})
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with patch.object(mcp_server, "MSG_DB_KEYS", ["older", "newer"]), patch.object(
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mcp_server, "_cache", fake_cache
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), patch.object(
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mcp_server,
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"get_contact_names",
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return_value={"older_user": "Older", "newer_user": "Newer"},
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):
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result = mcp_server.search_messages("foo", limit=2, offset=0)
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self.assertIn('搜索 "foo" 找到 2 条结果（offset=0, limit=2）', result)
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self.assertLess(result.index("foo newer 2"), result.index("foo newer 1"))
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self.assertNotIn("foo older 1", result)
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def test_search_messages_all_messages_uses_bounded_sql_pagination(self):
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# 每个消息表都只应查询当前页所需的候选窗口，不能回退到 limit=None 的全量扫描。
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older_db = self.create_db(
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"older_paged.db",
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{"older_user": [(1, 10, "foo older 1"), (2, 9, "foo older 2"), (3, 8, "foo older 3")]},
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)
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newer_db = self.create_db(
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"newer_paged.db",
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{"newer_user": [(1, 30, "foo newer 1"), (2, 20, "foo newer 2"), (3, 19, "foo newer 3")]},
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)
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fake_cache = _FakeCache({"older": older_db, "newer": newer_db})
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original_query_messages = mcp_server._query_messages
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calls = []
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def recording_query_messages(*args, **kwargs):
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calls.append((args[1], kwargs.get("limit"), kwargs.get("offset", 0)))
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return original_query_messages(*args, **kwargs)
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with patch.object(mcp_server, "MSG_DB_KEYS", ["older", "newer"]), patch.object(
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mcp_server, "_cache", fake_cache
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), patch.object(
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mcp_server,
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"get_contact_names",
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return_value={"older_user": "Older", "newer_user": "Newer"},
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), patch.object(
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mcp_server, "_query_messages", side_effect=recording_query_messages
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):
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result = mcp_server.search_messages("foo", limit=2, offset=1)
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self.assertIn('搜索 "foo" 找到 2 条结果（offset=1, limit=2）', result)
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self.assertEqual(
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calls,
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[
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(_msg_table_name("older_user"), 3, 0),
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(_msg_table_name("newer_user"), 3, 0),
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],
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)
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def test_search_messages_single_chat_respects_time_range(self):
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# 单聊搜索的开始/结束时间都必须严格生效。
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db_path = self.create_db(
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"single_time.db",
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{
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"alice": [
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(1, 300, "foo in range"),
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(2, 200, "foo too early"),
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(3, 400, "foo too late"),
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]
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},
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)
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ctx = {
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"query": "Alice",
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"username": "alice",
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"display_name": "Alice",
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"db_path": db_path,
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"table_name": _msg_table_name("alice"),
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"message_tables": [{"db_path": db_path, "table_name": _msg_table_name("alice")}],
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"is_group": False,
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}
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with patch.object(mcp_server, "get_contact_names", return_value={"alice": "Alice"}), patch.object(
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mcp_server, "_resolve_chat_context", return_value=ctx
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), patch.object(
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mcp_server, "_parse_time_range", return_value=(250, 350)
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):
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result = mcp_server.search_messages(
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"foo",
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chat_name="Alice",
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start_time="custom-start",
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end_time="custom-end",
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limit=20,
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offset=0,
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)
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self.assertIn("时间范围: custom-start ~ custom-end", result)
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self.assertIn("foo in range", result)
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self.assertNotIn("foo too early", result)
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self.assertNotIn("foo too late", result)
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def test_search_messages_multiple_chats_respects_time_range(self):
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# 多聊联合搜索时，每个聊天对象都要套用同一时间范围。
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db_path = self.create_db(
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"multi_time.db",
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{
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"alice": [(1, 300, "foo alice in range"), (2, 150, "foo alice too early")],
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"bob": [(1, 320, "foo bob in range"), (2, 500, "foo bob too late")],
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},
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)
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contexts = [
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{
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"query": "Alice",
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"username": "alice",
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"display_name": "Alice",
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"db_path": db_path,
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"table_name": _msg_table_name("alice"),
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"message_tables": [{"db_path": db_path, "table_name": _msg_table_name("alice")}],
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"is_group": False,
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},
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{
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"query": "Bob",
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"username": "bob",
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"display_name": "Bob",
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"db_path": db_path,
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"table_name": _msg_table_name("bob"),
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"message_tables": [{"db_path": db_path, "table_name": _msg_table_name("bob")}],
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"is_group": False,
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},
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]
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with patch.object(mcp_server, "get_contact_names", return_value={"alice": "Alice", "bob": "Bob"}), patch.object(
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mcp_server, "_resolve_chat_contexts", return_value=(contexts, [], [])
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), patch.object(
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mcp_server, "_parse_time_range", return_value=(250, 400)
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):
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result = mcp_server.search_messages(
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"foo",
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chat_name=["Alice", "Bob"],
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start_time="range-start",
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end_time="range-end",
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limit=20,
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offset=0,
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)
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self.assertIn("时间范围: range-start ~ range-end", result)
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self.assertIn("foo alice in range", result)
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self.assertIn("foo bob in range", result)
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self.assertNotIn("foo alice too early", result)
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self.assertNotIn("foo bob too late", result)
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def test_search_messages_all_messages_respects_time_range(self):
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# 全库搜索也不能返回时间范围外的消息。
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db_path = self.create_db(
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"all_time.db",
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{
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"alice": [
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(1, 100, "foo too early"),
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(2, 300, "foo in range"),
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(3, 500, "foo too late"),
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]
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},
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)
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fake_cache = _FakeCache({"all": db_path})
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with patch.object(mcp_server, "MSG_DB_KEYS", ["all"]), patch.object(
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mcp_server, "_cache", fake_cache
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), patch.object(
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mcp_server,
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"get_contact_names",
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return_value={"alice": "Alice"},
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), patch.object(
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mcp_server, "_parse_time_range", return_value=(250, 350)
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):
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result = mcp_server.search_messages(
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"foo",
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start_time="range-start",
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end_time="range-end",
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limit=20,
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offset=0,
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)
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self.assertIn("时间范围: range-start ~ range-end", result)
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self.assertIn("foo in range", result)
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self.assertNotIn("foo too early", result)
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self.assertNotIn("foo too late", result)
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def test_get_chat_history_merges_sharded_message_tables(self):
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# 同一联系人跨多个 message_N.db 分片时，历史查询要先合并再分页。
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older_db = self.create_db("history_older.db", {"alice": [(1, 100, "old message")]})
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newer_db = self.create_db(
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"history_newer.db",
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{"alice": [(1, 300, "new message"), (2, 250, "middle message")]},
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)
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ctx = {
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"query": "Alice",
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"username": "alice",
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"display_name": "Alice",
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"db_path": newer_db,
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"table_name": _msg_table_name("alice"),
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"message_tables": [
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{"db_path": older_db, "table_name": _msg_table_name("alice")},
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{"db_path": newer_db, "table_name": _msg_table_name("alice")},
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],
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"is_group": False,
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}
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with patch.object(mcp_server, "get_contact_names", return_value={"alice": "Alice"}), patch.object(
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mcp_server, "_resolve_chat_context", return_value=ctx
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):
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result = mcp_server.get_chat_history("Alice", limit=2, offset=0)
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self.assertIn("Alice 的消息记录（返回 2 条，offset=0, limit=2）", result)
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self.assertIn("middle message", result)
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self.assertIn("new message", result)
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self.assertNotIn("old message", result)
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def test_get_chat_history_uses_bounded_sql_pagination(self):
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# 历史查询应把 offset+limit 下推到 SQL，避免把整张消息表读出来后再切片。
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db_path = self.create_db(
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"history_paged.db",
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{
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"alice": [
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(1, 400, "newest"),
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(2, 300, "middle"),
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(3, 200, "older"),
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(4, 100, "oldest"),
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]
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},
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)
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ctx = {
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"query": "Alice",
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"username": "alice",
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"display_name": "Alice",
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"db_path": db_path,
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"table_name": _msg_table_name("alice"),
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"message_tables": [{"db_path": db_path, "table_name": _msg_table_name("alice")}],
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"is_group": False,
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}
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original_query_messages = mcp_server._query_messages
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calls = []
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def recording_query_messages(*args, **kwargs):
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calls.append((args[1], kwargs.get("limit"), kwargs.get("offset", 0)))
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return original_query_messages(*args, **kwargs)
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with patch.object(mcp_server, "get_contact_names", return_value={"alice": "Alice"}), patch.object(
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mcp_server, "_resolve_chat_context", return_value=ctx
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), patch.object(
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mcp_server, "_query_messages", side_effect=recording_query_messages
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):
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result = mcp_server.get_chat_history("Alice", limit=2, offset=1)
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self.assertIn("middle", result)
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self.assertIn("older", result)
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self.assertNotIn("newest", result)
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self.assertNotIn("oldest", result)
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self.assertEqual(calls, [(_msg_table_name("alice"), 3, 0)])
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def test_get_chat_history_keeps_partial_results_when_formatting_fails(self):
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# 单条坏消息不应让整个历史查询失败，已有结果仍应返回并附带失败说明。
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db_path = self.create_db(
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"history_partial_failure.db",
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{"alice": [(1, 200, "good message"), (2, 100, "bad message")]},
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)
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ctx = {
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"query": "Alice",
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"username": "alice",
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"display_name": "Alice",
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"db_path": db_path,
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"table_name": _msg_table_name("alice"),
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"message_tables": [{"db_path": db_path, "table_name": _msg_table_name("alice")}],
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"is_group": False,
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}
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original_build_history_line = mcp_server._build_history_line
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def flaky_build_history_line(row, *args, **kwargs):
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||
if row[2] == 100:
|
||
raise ValueError("bad row")
|
||
return original_build_history_line(row, *args, **kwargs)
|
||
|
||
with patch.object(mcp_server, "get_contact_names", return_value={"alice": "Alice"}), patch.object(
|
||
mcp_server, "_resolve_chat_context", return_value=ctx
|
||
), patch.object(
|
||
mcp_server, "_build_history_line", side_effect=flaky_build_history_line
|
||
):
|
||
result = mcp_server.get_chat_history("Alice", limit=2, offset=0)
|
||
|
||
self.assertIn("good message", result)
|
||
self.assertIn("查询失败:", result)
|
||
self.assertIn("bad row", result)
|
||
|
||
def test_search_messages_single_chat_merges_sharded_message_tables(self):
|
||
# 单聊搜索也要跨分片合并，否则最近消息可能查不到。
|
||
older_db = self.create_db("search_older.db", {"alice": [(1, 100, "foo old")]})
|
||
newer_db = self.create_db(
|
||
"search_newer.db",
|
||
{"alice": [(1, 300, "foo new"), (2, 200, "foo middle")]},
|
||
)
|
||
ctx = {
|
||
"query": "Alice",
|
||
"username": "alice",
|
||
"display_name": "Alice",
|
||
"db_path": newer_db,
|
||
"table_name": _msg_table_name("alice"),
|
||
"message_tables": [
|
||
{"db_path": older_db, "table_name": _msg_table_name("alice")},
|
||
{"db_path": newer_db, "table_name": _msg_table_name("alice")},
|
||
],
|
||
"is_group": False,
|
||
}
|
||
|
||
with patch.object(mcp_server, "get_contact_names", return_value={"alice": "Alice"}), patch.object(
|
||
mcp_server, "_resolve_chat_context", return_value=ctx
|
||
), patch.object(
|
||
mcp_server, "_parse_time_range", return_value=(150, 350)
|
||
):
|
||
result = mcp_server.search_messages(
|
||
"foo",
|
||
chat_name="Alice",
|
||
start_time="range-start",
|
||
end_time="range-end",
|
||
limit=20,
|
||
offset=0,
|
||
)
|
||
|
||
self.assertIn("foo middle", result)
|
||
self.assertIn("foo new", result)
|
||
self.assertNotIn("foo old", result)
|
||
|
||
def test_search_messages_keeps_partial_results_when_later_batch_fails(self):
|
||
# 后续批次失败时，前面已经拿到的有效结果不应被丢弃。
|
||
db_path = self.create_db(
|
||
"search_partial_failure.db",
|
||
{
|
||
"alice": [
|
||
(1, 400, "foo newest"),
|
||
(2, 300, "foo skipped"),
|
||
(3, 200, "foo older"),
|
||
(4, 100, "foo bad"),
|
||
]
|
||
},
|
||
)
|
||
ctx = {
|
||
"query": "Alice",
|
||
"username": "alice",
|
||
"display_name": "Alice",
|
||
"db_path": db_path,
|
||
"table_name": _msg_table_name("alice"),
|
||
"message_tables": [{"db_path": db_path, "table_name": _msg_table_name("alice")}],
|
||
"is_group": False,
|
||
}
|
||
original_build_search_entry = mcp_server._build_search_entry
|
||
|
||
def flaky_build_search_entry(row, *args, **kwargs):
|
||
if row[2] == 300:
|
||
return None
|
||
if row[2] == 100:
|
||
raise ValueError("bad row")
|
||
return original_build_search_entry(row, *args, **kwargs)
|
||
|
||
with patch.object(mcp_server, "get_contact_names", return_value={"alice": "Alice"}), patch.object(
|
||
mcp_server, "_resolve_chat_context", return_value=ctx
|
||
), patch.object(
|
||
mcp_server, "_build_search_entry", side_effect=flaky_build_search_entry
|
||
):
|
||
result = mcp_server.search_messages("foo", chat_name="Alice", limit=3, offset=0)
|
||
|
||
self.assertIn("foo newest", result)
|
||
self.assertIn("foo older", result)
|
||
self.assertIn("查询失败:", result)
|
||
self.assertIn("bad row", result)
|
||
|
||
def test_get_recent_sessions_closes_connection_when_query_fails(self):
|
||
# 会话查询抛异常时也必须关闭 sqlite3 连接，避免资源泄漏。
|
||
fake_cache = _FakeCache({os.path.join("session", "session.db"): "session.db"})
|
||
|
||
class _FakeConn:
|
||
def __init__(self):
|
||
self.closed = False
|
||
|
||
def execute(self, *args, **kwargs):
|
||
raise sqlite3.OperationalError("boom")
|
||
|
||
def close(self):
|
||
self.closed = True
|
||
|
||
fake_conn = _FakeConn()
|
||
|
||
with patch.object(mcp_server, "_cache", fake_cache), patch.object(
|
||
mcp_server, "get_contact_names", return_value={}
|
||
), patch.object(
|
||
mcp_server.sqlite3, "connect", return_value=fake_conn
|
||
):
|
||
with self.assertRaisesRegex(sqlite3.OperationalError, "boom"):
|
||
mcp_server.get_recent_sessions()
|
||
|
||
self.assertTrue(fake_conn.closed)
|
||
|
||
def test_get_new_messages_closes_connection_when_query_fails(self):
|
||
# 新消息轮询失败时也要释放 sqlite3 连接。
|
||
fake_cache = _FakeCache({os.path.join("session", "session.db"): "session.db"})
|
||
|
||
class _FakeConn:
|
||
def __init__(self):
|
||
self.closed = False
|
||
|
||
def execute(self, *args, **kwargs):
|
||
raise sqlite3.OperationalError("boom")
|
||
|
||
def close(self):
|
||
self.closed = True
|
||
|
||
fake_conn = _FakeConn()
|
||
|
||
with patch.object(mcp_server, "_cache", fake_cache), patch.object(
|
||
mcp_server, "get_contact_names", return_value={}
|
||
), patch.object(
|
||
mcp_server.sqlite3, "connect", return_value=fake_conn
|
||
):
|
||
with self.assertRaisesRegex(sqlite3.OperationalError, "boom"):
|
||
mcp_server.get_new_messages()
|
||
|
||
self.assertTrue(fake_conn.closed)
|
||
|
||
|
||
if __name__ == "__main__":
|
||
unittest.main()
|