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27 lines
831 B
Python
27 lines
831 B
Python
"""Test HuggingFace API wrapper."""
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import pytest
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from langchain.llms.huggingface_hub import HuggingFaceHub
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def test_huggingface_text_generation() -> None:
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"""Test valid call to HuggingFace text generation model."""
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llm = HuggingFaceHub(repo_id="gpt2", model_kwargs={"max_new_tokens": 10})
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output = llm("Say foo:")
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assert isinstance(output, str)
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def test_huggingface_text2text_generation() -> None:
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"""Test valid call to HuggingFace text2text model."""
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llm = HuggingFaceHub(repo_id="google/flan-t5-xl")
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output = llm("The capital of New York is")
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assert output == "Albany"
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def test_huggingface_call_error() -> None:
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"""Test valid call to HuggingFace that errors."""
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llm = HuggingFaceHub(model_kwargs={"max_new_tokens": -1})
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with pytest.raises(ValueError):
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llm("Say foo:")
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