115 lines
4.4 KiB
Python
115 lines
4.4 KiB
Python
# Copyright (c) "Neo4j"
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# Neo4j Sweden AB [https://neo4j.com]
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# #
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# #
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# https://www.apache.org/licenses/LICENSE-2.0
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# #
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from unittest.mock import MagicMock
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import pytest
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from neo4j_graphrag.message_history import InMemoryMessageHistory, Neo4jMessageHistory
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from neo4j_graphrag.types import LLMMessage
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from pydantic import ValidationError
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def test_in_memory_message_history_add_message() -> None:
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message_history = InMemoryMessageHistory()
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message_history.add_message(
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LLMMessage(role="user", content="may thy knife chip and shatter")
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)
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assert len(message_history.messages) == 1
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assert message_history.messages[0]["role"] == "user"
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assert message_history.messages[0]["content"] == "may thy knife chip and shatter"
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def test_in_memory_message_history_add_messages() -> None:
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message_history = InMemoryMessageHistory()
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message_history.add_messages(
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[
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LLMMessage(role="user", content="may thy knife chip and shatter"),
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LLMMessage(
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role="assistant",
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content="He who controls the spice controls the universe.",
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),
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]
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)
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assert len(message_history.messages) == 2
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assert message_history.messages[0]["role"] == "user"
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assert message_history.messages[0]["content"] == "may thy knife chip and shatter"
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assert message_history.messages[1]["role"] == "assistant"
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assert (
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message_history.messages[1]["content"]
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== "He who controls the spice controls the universe."
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)
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def test_in_memory_message_history_clear() -> None:
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message_history = InMemoryMessageHistory()
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message_history.add_messages(
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[
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LLMMessage(role="user", content="may thy knife chip and shatter"),
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LLMMessage(
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role="assistant",
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content="He who controls the spice controls the universe.",
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),
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]
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)
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assert len(message_history.messages) == 2
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message_history.clear()
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assert len(message_history.messages) == 0
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def test_neo4j_message_history_invalid_session_id(driver: MagicMock) -> None:
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with pytest.raises(ValidationError) as exc_info:
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Neo4jMessageHistory(session_id=1.5, driver=driver, window=1) # type: ignore[arg-type]
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assert "Input should be a valid string" in str(exc_info.value)
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def test_neo4j_message_history_invalid_driver() -> None:
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with pytest.raises(ValidationError) as exc_info:
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Neo4jMessageHistory(session_id="123", driver=1.5, window=1) # type: ignore[arg-type]
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assert "Input should be an instance of Driver" in str(exc_info.value)
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def test_neo4j_message_history_invalid_window(driver: MagicMock) -> None:
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with pytest.raises(ValidationError) as exc_info:
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Neo4jMessageHistory(session_id="123", driver=driver, window=-1)
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assert "Input should be greater than 0" in str(exc_info.value)
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def test_neo4j_message_history_messages_setter(driver: MagicMock) -> None:
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message_history = Neo4jMessageHistory(session_id="123", driver=driver)
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with pytest.raises(NotImplementedError) as exc_info:
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message_history.messages = [
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LLMMessage(role="user", content="may thy knife chip and shatter"),
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]
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assert (
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str(exc_info.value)
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== "Direct assignment to 'messages' is not allowed. Use the 'add_messages' instead."
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)
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def test_neo4j_message_history_messages_getter_custom_db(driver: MagicMock) -> None:
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driver.execute_query.side_effect = [
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MagicMock(records=[]),
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MagicMock(
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records=[{"result": {"data": {"content": "my message"}, "role": "user"}}]
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),
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]
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message_history = Neo4jMessageHistory(
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session_id="123", driver=driver, database="my_db"
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)
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messages = message_history.messages
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assert len(messages) == 1
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assert messages[0] == LLMMessage(content="my message", role="user")
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for c in driver.execute_query.call_args_list:
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assert c.kwargs["database_"] == "my_db"
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