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41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
"""Test few shot prompt template."""
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from langchain.prompts.few_shot_with_templates import FewShotPromptWithTemplates
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from langchain.prompts.prompt import PromptTemplate
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EXAMPLE_PROMPT = PromptTemplate(
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input_variables=["question", "answer"], template="{question}: {answer}"
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)
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def test_prompttemplate_prefix_suffix() -> None:
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"""Test that few shot works when prefix and suffix are PromptTemplates."""
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prefix = PromptTemplate(
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input_variables=["content"], template="This is a test about {content}."
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)
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suffix = PromptTemplate(
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input_variables=["new_content"],
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template="Now you try to talk about {new_content}.",
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)
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examples = [
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{"question": "foo", "answer": "bar"},
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{"question": "baz", "answer": "foo"},
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]
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prompt = FewShotPromptWithTemplates(
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suffix=suffix,
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prefix=prefix,
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input_variables=["content", "new_content"],
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examples=examples,
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example_prompt=EXAMPLE_PROMPT,
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example_separator="\n",
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)
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output = prompt.format(content="animals", new_content="party")
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expected_output = (
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"This is a test about animals.\n"
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"foo: bar\n"
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"baz: foo\n"
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"Now you try to talk about party."
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)
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assert output == expected_output
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