langchain/libs/community/tests/integration_tests/memory/test_momento.py
Bagatur a0c2281540
infra: update mypy 1.10, ruff 0.5 (#23721)
```python
"""python scripts/update_mypy_ruff.py"""
import glob
import tomllib
from pathlib import Path

import toml
import subprocess
import re

ROOT_DIR = Path(__file__).parents[1]


def main():
    for path in glob.glob(str(ROOT_DIR / "libs/**/pyproject.toml"), recursive=True):
        print(path)
        with open(path, "rb") as f:
            pyproject = tomllib.load(f)
        try:
            pyproject["tool"]["poetry"]["group"]["typing"]["dependencies"]["mypy"] = (
                "^1.10"
            )
            pyproject["tool"]["poetry"]["group"]["lint"]["dependencies"]["ruff"] = (
                "^0.5"
            )
        except KeyError:
            continue
        with open(path, "w") as f:
            toml.dump(pyproject, f)
        cwd = "/".join(path.split("/")[:-1])
        completed = subprocess.run(
            "poetry lock --no-update; poetry install --with typing; poetry run mypy . --no-color",
            cwd=cwd,
            shell=True,
            capture_output=True,
            text=True,
        )
        logs = completed.stdout.split("\n")

        to_ignore = {}
        for l in logs:
            if re.match("^(.*)\:(\d+)\: error:.*\[(.*)\]", l):
                path, line_no, error_type = re.match(
                    "^(.*)\:(\d+)\: error:.*\[(.*)\]", l
                ).groups()
                if (path, line_no) in to_ignore:
                    to_ignore[(path, line_no)].append(error_type)
                else:
                    to_ignore[(path, line_no)] = [error_type]
        print(len(to_ignore))
        for (error_path, line_no), error_types in to_ignore.items():
            all_errors = ", ".join(error_types)
            full_path = f"{cwd}/{error_path}"
            try:
                with open(full_path, "r") as f:
                    file_lines = f.readlines()
            except FileNotFoundError:
                continue
            file_lines[int(line_no) - 1] = (
                file_lines[int(line_no) - 1][:-1] + f"  # type: ignore[{all_errors}]\n"
            )
            with open(full_path, "w") as f:
                f.write("".join(file_lines))

        subprocess.run(
            "poetry run ruff format .; poetry run ruff --select I --fix .",
            cwd=cwd,
            shell=True,
            capture_output=True,
            text=True,
        )


if __name__ == "__main__":
    main()

```
2024-07-03 10:33:27 -07:00

73 lines
2.2 KiB
Python

"""Test Momento chat message history functionality.
To run tests, set the environment variable MOMENTO_AUTH_TOKEN to a valid
Momento auth token. This can be obtained by signing up for a free
Momento account at https://gomomento.com/.
"""
import json
import uuid
from datetime import timedelta
from typing import Iterator
import pytest
from langchain.memory import ConversationBufferMemory
from langchain_core.messages import message_to_dict
from langchain_community.chat_message_histories import MomentoChatMessageHistory
def random_string() -> str:
return str(uuid.uuid4())
@pytest.fixture(scope="function")
def message_history() -> Iterator[MomentoChatMessageHistory]:
from momento import CacheClient, Configurations, CredentialProvider
cache_name = f"langchain-test-cache-{random_string()}"
client = CacheClient(
Configurations.Laptop.v1(),
CredentialProvider.from_environment_variable("MOMENTO_API_KEY"),
default_ttl=timedelta(seconds=30),
)
try:
chat_message_history = MomentoChatMessageHistory(
session_id="my-test-session",
cache_client=client,
cache_name=cache_name,
)
yield chat_message_history
finally:
client.delete_cache(cache_name)
def test_memory_empty_on_new_session(
message_history: MomentoChatMessageHistory,
) -> None:
memory = ConversationBufferMemory(
memory_key="foo", chat_memory=message_history, return_messages=True
)
assert memory.chat_memory.messages == []
def test_memory_with_message_store(message_history: MomentoChatMessageHistory) -> None:
memory = ConversationBufferMemory(
memory_key="baz", chat_memory=message_history, return_messages=True
)
# Add some messages to the memory store
memory.chat_memory.add_ai_message("This is me, the AI")
memory.chat_memory.add_user_message("This is me, the human")
# Verify that the messages are in the store
messages = memory.chat_memory.messages
messages_json = json.dumps([message_to_dict(msg) for msg in messages])
assert "This is me, the AI" in messages_json
assert "This is me, the human" in messages_json
# Verify clearing the store
memory.chat_memory.clear()
assert memory.chat_memory.messages == []