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core[patch],community[patch]: Move file chat history back to community (#20834)

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Marking as patch since we haven't had releases in between. This just reverting part of a PR from yesterday.
This commit is contained in:
Eugene Yurtsev
2024-04-24 12:47:25 -04:00
committed by GitHub
parent 6debadaa70
commit 30e48c9878
3 changed files with 41 additions and 42 deletions
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71
libs/core/tests/unit_tests/chat_history/test_file_chat_message_history.py
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@@ -1,71 +0,0 @@
import tempfile
from pathlib import Path
from typing import Generator
import pytest
from langchain_core.chat_history import FileChatMessageHistory
from langchain_core.messages import AIMessage, HumanMessage
@pytest.fixture
def file_chat_message_history() -> Generator[FileChatMessageHistory, None, None]:
with tempfile.TemporaryDirectory() as temp_dir:
file_path = Path(temp_dir) / "test_chat_history.json"
file_chat_message_history = FileChatMessageHistory(str(file_path))
yield file_chat_message_history
def test_add_messages(file_chat_message_history: FileChatMessageHistory) -> None:
file_chat_message_history.add_user_message("Hello!")
file_chat_message_history.add_ai_message("Hi there!")
messages = file_chat_message_history.messages
assert len(messages) == 2
assert isinstance(messages[0], HumanMessage)
assert isinstance(messages[1], AIMessage)
assert messages[0].content == "Hello!"
assert messages[1].content == "Hi there!"
def test_clear_messages(file_chat_message_history: FileChatMessageHistory) -> None:
file_chat_message_history.add_user_message("Hello!")
file_chat_message_history.add_ai_message("Hi there!")
file_chat_message_history.clear()
messages = file_chat_message_history.messages
assert len(messages) == 0
def test_multiple_sessions(file_chat_message_history: FileChatMessageHistory) -> None:
# First session
file_chat_message_history.add_user_message("Hello, AI!")
file_chat_message_history.add_ai_message("Hello, how can I help you?")
file_chat_message_history.add_user_message("Tell me a joke.")
file_chat_message_history.add_ai_message(
"Why did the chicken cross the road? To get to the other side!"
)
# Ensure the messages are added correctly in the first session
messages = file_chat_message_history.messages
assert len(messages) == 4
assert messages[0].content == "Hello, AI!"
assert messages[1].content == "Hello, how can I help you?"
assert messages[2].content == "Tell me a joke."
expected_content = "Why did the chicken cross the road? To get to the other side!"
assert messages[3].content == expected_content
# Second session (reinitialize FileChatMessageHistory)
file_path = file_chat_message_history.file_path
second_session_chat_message_history = FileChatMessageHistory(
file_path=str(file_path)
)
# Ensure the history is maintained in the second session
messages = second_session_chat_message_history.messages
assert len(messages) == 4
assert messages[0].content == "Hello, AI!"
assert messages[1].content == "Hello, how can I help you?"
assert messages[2].content == "Tell me a joke."
expected_content = "Why did the chicken cross the road? To get to the other side!"
assert messages[3].content == expected_content