66 lines
2.4 KiB
Python
66 lines
2.4 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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import pytest
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from neo4j_graphrag.llm.utils import (
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legacy_inputs_to_messages,
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system_instruction_from_messages,
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)
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from neo4j_graphrag.message_history import InMemoryMessageHistory
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from neo4j_graphrag.types import LLMMessage
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def test_system_instruction_from_messages_found() -> None:
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messages = [
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LLMMessage(role="system", content="You are helpful"),
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LLMMessage(role="user", content="hi"),
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]
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assert system_instruction_from_messages(messages) == "You are helpful"
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def test_system_instruction_from_messages_not_found() -> None:
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messages = [LLMMessage(role="user", content="hi")]
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assert system_instruction_from_messages(messages) is None
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def test_legacy_inputs_with_message_history_instance() -> None:
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history = InMemoryMessageHistory()
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history.add_message(LLMMessage(role="user", content="previous"))
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result = legacy_inputs_to_messages("follow-up", message_history=history)
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assert result[-1]["content"] == "follow-up"
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assert result[0]["content"] == "previous"
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def test_legacy_inputs_system_instruction_conflict_warns() -> None:
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messages = [LLMMessage(role="system", content="existing")]
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with pytest.warns(UserWarning, match="system_instruction provided but ignored"):
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legacy_inputs_to_messages(
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"hi", message_history=messages, system_instruction="new"
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)
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def test_legacy_inputs_prompt_as_list() -> None:
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prompt_list = [LLMMessage(role="user", content="hello")]
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result = legacy_inputs_to_messages(prompt_list)
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assert result == prompt_list
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def test_legacy_inputs_prompt_as_message_history() -> None:
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history = InMemoryMessageHistory()
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history.add_message(LLMMessage(role="user", content="from history"))
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result = legacy_inputs_to_messages(history)
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assert len(result) == 1
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assert result[0]["content"] == "from history"
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