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79 lines
2.3 KiB
Python
79 lines
2.3 KiB
Python
"""Test for Serializable base class"""
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import pytest
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from langchain.chains.llm import LLMChain
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from langchain.llms.openai import OpenAI
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from langchain.load.dump import dumps
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from langchain.load.load import loads
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from langchain.prompts.prompt import PromptTemplate
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class NotSerializable:
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pass
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@pytest.mark.requires("openai")
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def test_load_openai_llm() -> None:
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llm = OpenAI(model="davinci", temperature=0.5, openai_api_key="hello")
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llm_string = dumps(llm)
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llm2 = loads(llm_string, secrets_map={"OPENAI_API_KEY": "hello"})
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assert llm2 == llm
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assert dumps(llm2) == llm_string
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assert isinstance(llm2, OpenAI)
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@pytest.mark.requires("openai")
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def test_load_llmchain() -> None:
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llm = OpenAI(model="davinci", temperature=0.5, openai_api_key="hello")
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prompt = PromptTemplate.from_template("hello {name}!")
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chain = LLMChain(llm=llm, prompt=prompt)
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chain_string = dumps(chain)
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chain2 = loads(chain_string, secrets_map={"OPENAI_API_KEY": "hello"})
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assert chain2 == chain
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assert dumps(chain2) == chain_string
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assert isinstance(chain2, LLMChain)
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assert isinstance(chain2.llm, OpenAI)
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assert isinstance(chain2.prompt, PromptTemplate)
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@pytest.mark.requires("openai")
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def test_load_llmchain_env() -> None:
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import os
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has_env = "OPENAI_API_KEY" in os.environ
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if not has_env:
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os.environ["OPENAI_API_KEY"] = "env_variable"
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llm = OpenAI(model="davinci", temperature=0.5)
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prompt = PromptTemplate.from_template("hello {name}!")
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chain = LLMChain(llm=llm, prompt=prompt)
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chain_string = dumps(chain)
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chain2 = loads(chain_string)
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assert chain2 == chain
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assert dumps(chain2) == chain_string
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assert isinstance(chain2, LLMChain)
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assert isinstance(chain2.llm, OpenAI)
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assert isinstance(chain2.prompt, PromptTemplate)
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if not has_env:
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del os.environ["OPENAI_API_KEY"]
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@pytest.mark.requires("openai")
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def test_load_llmchain_with_non_serializable_arg() -> None:
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llm = OpenAI(
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model="davinci",
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temperature=0.5,
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openai_api_key="hello",
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client=NotSerializable,
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)
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prompt = PromptTemplate.from_template("hello {name}!")
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chain = LLMChain(llm=llm, prompt=prompt)
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chain_string = dumps(chain, pretty=True)
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with pytest.raises(NotImplementedError):
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loads(chain_string, secrets_map={"OPENAI_API_KEY": "hello"})
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