Files
deer-flow/backend/tests/test_memory_updater.py
knukn 1c542ab7f1 feat(memory): Introduce configurable memory storage abstraction (#1353)
* feat(内存存储): 添加可配置的内存存储提供者支持

实现内存存储的抽象基类 MemoryStorage 和文件存储实现 FileMemoryStorage
重构内存数据加载和保存逻辑到存储提供者中
添加 storage_class 配置项以支持自定义存储提供者

* refactor(memory): 重构内存存储模块并更新相关测试

将内存存储逻辑从updater模块移动到独立的storage模块
使用存储接口模式替代直接文件操作
更新所有相关测试以使用新的存储接口

* Update backend/packages/harness/deerflow/agents/memory/storage.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update backend/packages/harness/deerflow/agents/memory/storage.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* fix(内存存储): 添加线程安全锁并增加测试用例

添加线程锁确保内存存储单例初始化的线程安全
增加对无效代理名称的验证测试
补充单例线程安全性和异常处理的测试用例

* Update backend/tests/test_memory_storage.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* fix(agents): 使用统一模式验证代理名称

修改代理名称验证逻辑以使用仓库中定义的AGENT_NAME_PATTERN模式,确保代码库一致性并防止路径遍历等安全问题。同时更新测试用例以覆盖更多无效名称情况。

---------

Co-authored-by: Willem Jiang <willem.jiang@gmail.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
2026-03-27 07:41:06 +08:00

289 lines
11 KiB
Python

from unittest.mock import MagicMock, patch
from deerflow.agents.memory.prompt import format_conversation_for_update
from deerflow.agents.memory.updater import MemoryUpdater, _extract_text
from deerflow.config.memory_config import MemoryConfig
def _make_memory(facts: list[dict[str, object]] | None = None) -> dict[str, object]:
return {
"version": "1.0",
"lastUpdated": "",
"user": {
"workContext": {"summary": "", "updatedAt": ""},
"personalContext": {"summary": "", "updatedAt": ""},
"topOfMind": {"summary": "", "updatedAt": ""},
},
"history": {
"recentMonths": {"summary": "", "updatedAt": ""},
"earlierContext": {"summary": "", "updatedAt": ""},
"longTermBackground": {"summary": "", "updatedAt": ""},
},
"facts": facts or [],
}
def _memory_config(**overrides: object) -> MemoryConfig:
config = MemoryConfig()
for key, value in overrides.items():
setattr(config, key, value)
return config
def test_apply_updates_skips_existing_duplicate_and_preserves_removals() -> None:
updater = MemoryUpdater()
current_memory = _make_memory(
facts=[
{
"id": "fact_existing",
"content": "User likes Python",
"category": "preference",
"confidence": 0.9,
"createdAt": "2026-03-18T00:00:00Z",
"source": "thread-a",
},
{
"id": "fact_remove",
"content": "Old context to remove",
"category": "context",
"confidence": 0.8,
"createdAt": "2026-03-18T00:00:00Z",
"source": "thread-a",
},
]
)
update_data = {
"factsToRemove": ["fact_remove"],
"newFacts": [
{"content": "User likes Python", "category": "preference", "confidence": 0.95},
],
}
with patch(
"deerflow.agents.memory.updater.get_memory_config",
return_value=_memory_config(max_facts=100, fact_confidence_threshold=0.7),
):
result = updater._apply_updates(current_memory, update_data, thread_id="thread-b")
assert [fact["content"] for fact in result["facts"]] == ["User likes Python"]
assert all(fact["id"] != "fact_remove" for fact in result["facts"])
def test_apply_updates_skips_same_batch_duplicates_and_keeps_source_metadata() -> None:
updater = MemoryUpdater()
current_memory = _make_memory()
update_data = {
"newFacts": [
{"content": "User prefers dark mode", "category": "preference", "confidence": 0.91},
{"content": "User prefers dark mode", "category": "preference", "confidence": 0.92},
{"content": "User works on DeerFlow", "category": "context", "confidence": 0.87},
],
}
with patch(
"deerflow.agents.memory.updater.get_memory_config",
return_value=_memory_config(max_facts=100, fact_confidence_threshold=0.7),
):
result = updater._apply_updates(current_memory, update_data, thread_id="thread-42")
assert [fact["content"] for fact in result["facts"]] == [
"User prefers dark mode",
"User works on DeerFlow",
]
assert all(fact["id"].startswith("fact_") for fact in result["facts"])
assert all(fact["source"] == "thread-42" for fact in result["facts"])
def test_apply_updates_preserves_threshold_and_max_facts_trimming() -> None:
updater = MemoryUpdater()
current_memory = _make_memory(
facts=[
{
"id": "fact_python",
"content": "User likes Python",
"category": "preference",
"confidence": 0.95,
"createdAt": "2026-03-18T00:00:00Z",
"source": "thread-a",
},
{
"id": "fact_dark_mode",
"content": "User prefers dark mode",
"category": "preference",
"confidence": 0.8,
"createdAt": "2026-03-18T00:00:00Z",
"source": "thread-a",
},
]
)
update_data = {
"newFacts": [
{"content": "User prefers dark mode", "category": "preference", "confidence": 0.9},
{"content": "User uses uv", "category": "context", "confidence": 0.85},
{"content": "User likes noisy logs", "category": "behavior", "confidence": 0.6},
],
}
with patch(
"deerflow.agents.memory.updater.get_memory_config",
return_value=_memory_config(max_facts=2, fact_confidence_threshold=0.7),
):
result = updater._apply_updates(current_memory, update_data, thread_id="thread-9")
assert [fact["content"] for fact in result["facts"]] == [
"User likes Python",
"User uses uv",
]
assert all(fact["content"] != "User likes noisy logs" for fact in result["facts"])
assert result["facts"][1]["source"] == "thread-9"
# ---------------------------------------------------------------------------
# _extract_text — LLM response content normalization
# ---------------------------------------------------------------------------
class TestExtractText:
"""_extract_text should normalize all content shapes to plain text."""
def test_string_passthrough(self):
assert _extract_text("hello world") == "hello world"
def test_list_single_text_block(self):
assert _extract_text([{"type": "text", "text": "hello"}]) == "hello"
def test_list_multiple_text_blocks_joined(self):
content = [
{"type": "text", "text": "part one"},
{"type": "text", "text": "part two"},
]
assert _extract_text(content) == "part one\npart two"
def test_list_plain_strings(self):
assert _extract_text(["raw string"]) == "raw string"
def test_list_string_chunks_join_without_separator(self):
content = ['{"user"', ': "alice"}']
assert _extract_text(content) == '{"user": "alice"}'
def test_list_mixed_strings_and_blocks(self):
content = [
"raw text",
{"type": "text", "text": "block text"},
]
assert _extract_text(content) == "raw text\nblock text"
def test_list_adjacent_string_chunks_then_block(self):
content = [
"prefix",
"-continued",
{"type": "text", "text": "block text"},
]
assert _extract_text(content) == "prefix-continued\nblock text"
def test_list_skips_non_text_blocks(self):
content = [
{"type": "image_url", "image_url": {"url": "http://img.png"}},
{"type": "text", "text": "actual text"},
]
assert _extract_text(content) == "actual text"
def test_empty_list(self):
assert _extract_text([]) == ""
def test_list_no_text_blocks(self):
assert _extract_text([{"type": "image_url", "image_url": {}}]) == ""
def test_non_str_non_list(self):
assert _extract_text(42) == "42"
# ---------------------------------------------------------------------------
# format_conversation_for_update — handles mixed list content
# ---------------------------------------------------------------------------
class TestFormatConversationForUpdate:
def test_plain_string_messages(self):
human_msg = MagicMock()
human_msg.type = "human"
human_msg.content = "What is Python?"
ai_msg = MagicMock()
ai_msg.type = "ai"
ai_msg.content = "Python is a programming language."
result = format_conversation_for_update([human_msg, ai_msg])
assert "User: What is Python?" in result
assert "Assistant: Python is a programming language." in result
def test_list_content_with_plain_strings(self):
"""Plain strings in list content should not be lost."""
msg = MagicMock()
msg.type = "human"
msg.content = ["raw user text", {"type": "text", "text": "structured text"}]
result = format_conversation_for_update([msg])
assert "raw user text" in result
assert "structured text" in result
# ---------------------------------------------------------------------------
# update_memory — structured LLM response handling
# ---------------------------------------------------------------------------
class TestUpdateMemoryStructuredResponse:
"""update_memory should handle LLM responses returned as list content blocks."""
def _make_mock_model(self, content):
model = MagicMock()
response = MagicMock()
response.content = content
model.invoke.return_value = response
return model
def test_string_response_parses(self):
updater = MemoryUpdater()
valid_json = '{"user": {}, "history": {}, "newFacts": [], "factsToRemove": []}'
with (
patch.object(updater, "_get_model", return_value=self._make_mock_model(valid_json)),
patch("deerflow.agents.memory.updater.get_memory_config", return_value=_memory_config(enabled=True)),
patch("deerflow.agents.memory.updater.get_memory_data", return_value=_make_memory()),
patch("deerflow.agents.memory.updater.get_memory_storage", return_value=MagicMock(save=MagicMock(return_value=True))),
):
msg = MagicMock()
msg.type = "human"
msg.content = "Hello"
ai_msg = MagicMock()
ai_msg.type = "ai"
ai_msg.content = "Hi there"
ai_msg.tool_calls = []
result = updater.update_memory([msg, ai_msg])
assert result is True
def test_list_content_response_parses(self):
"""LLM response as list-of-blocks should be extracted, not repr'd."""
updater = MemoryUpdater()
valid_json = '{"user": {}, "history": {}, "newFacts": [], "factsToRemove": []}'
list_content = [{"type": "text", "text": valid_json}]
with (
patch.object(updater, "_get_model", return_value=self._make_mock_model(list_content)),
patch("deerflow.agents.memory.updater.get_memory_config", return_value=_memory_config(enabled=True)),
patch("deerflow.agents.memory.updater.get_memory_data", return_value=_make_memory()),
patch("deerflow.agents.memory.updater.get_memory_storage", return_value=MagicMock(save=MagicMock(return_value=True))),
):
msg = MagicMock()
msg.type = "human"
msg.content = "Hello"
ai_msg = MagicMock()
ai_msg.type = "ai"
ai_msg.content = "Hi"
ai_msg.tool_calls = []
result = updater.update_memory([msg, ai_msg])
assert result is True