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44 lines
1.5 KiB
Python
44 lines
1.5 KiB
Python
import json
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from langchain.memory import ConversationBufferMemory
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from langchain.memory.chat_message_histories import FirestoreChatMessageHistory
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from langchain.schema import _message_to_dict
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def test_memory_with_message_store() -> None:
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"""Test the memory with a message store."""
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message_history = FirestoreChatMessageHistory(
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collection_name="chat_history",
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session_id="my-test-session",
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user_id="my-test-user",
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)
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memory = ConversationBufferMemory(
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memory_key="baz", chat_memory=message_history, return_messages=True
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)
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# add some messages
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memory.chat_memory.add_ai_message("This is me, the AI")
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memory.chat_memory.add_user_message("This is me, the human")
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# get the message history from the memory store
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# and check if the messages are there as expected
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message_history = FirestoreChatMessageHistory(
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collection_name="chat_history",
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session_id="my-test-session",
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user_id="my-test-user",
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)
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memory = ConversationBufferMemory(
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memory_key="baz", chat_memory=message_history, return_messages=True
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)
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messages = memory.chat_memory.messages
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messages_json = json.dumps([_message_to_dict(msg) for msg in messages])
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assert "This is me, the AI" in messages_json
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assert "This is me, the human" in messages_json
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# remove the record from Firestore, so the next test run won't pick it up
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memory.chat_memory.clear()
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assert memory.chat_memory.messages == []
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