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44 lines
1.8 KiB
Python
44 lines
1.8 KiB
Python
2 years ago
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# flake8: noqa E501
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"""Test LLMCheckerChain functionality."""
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import pytest
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from langchain.chains.llm_checker.base import LLMCheckerChain
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from langchain.chains.llm_checker.prompt import (
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_CHECK_ASSERTIONS_TEMPLATE,
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_CREATE_DRAFT_ANSWER_TEMPLATE,
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_LIST_ASSERTIONS_TEMPLATE,
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_REVISED_ANSWER_TEMPLATE,
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)
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from tests.unit_tests.llms.fake_llm import FakeLLM
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@pytest.fixture
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def fake_llm_checker_chain() -> LLMCheckerChain:
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"""Fake LLMCheckerChain for testing."""
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queries = {
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_CREATE_DRAFT_ANSWER_TEMPLATE.format(
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question="Which mammal lays the biggest eggs?"
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): "I don't know which mammal layers the biggest eggs.",
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_LIST_ASSERTIONS_TEMPLATE.format(
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statement="I don't know which mammal layers the biggest eggs.",
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): "1) I know that mammals lay eggs.\n2) I know that birds lay eggs.\n3) I know that birds are mammals.",
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_CHECK_ASSERTIONS_TEMPLATE.format(
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assertions="1) I know that mammals lay eggs.\n2) I know that birds lay eggs.\n3) I know that birds are mammals.",
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): "1) I know that mammals lay eggs. TRUE\n2) I know that birds lay eggs. TRUE\n3) I know that birds are mammals. TRUE",
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_REVISED_ANSWER_TEMPLATE.format(
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checked_assertions="1) I know that mammals lay eggs. TRUE\n2) I know that birds lay eggs. TRUE\n3) I know that birds are mammals. TRUE",
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question="Which mammal lays the biggest eggs?",
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): "I still don't know.",
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}
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fake_llm = FakeLLM(queries=queries)
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return LLMCheckerChain(llm=fake_llm, input_key="q", output_key="a")
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def test_simple_question(fake_llm_checker_chain: LLMCheckerChain) -> None:
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"""Test simple question that should not need python."""
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question = "Which mammal lays the biggest eggs?"
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output = fake_llm_checker_chain.run(question)
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assert output == "I still don't know."
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