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60 lines
1.8 KiB
Python
60 lines
1.8 KiB
Python
"""Test document functionality."""
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from langchain.docstore.document import Document
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_PAGE_CONTENT = """This is a page about LangChain.
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It is a really cool framework.
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What isn't there to love about langchain?
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Made in 2022."""
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def test_document_summary() -> None:
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"""Test that we extract the summary okay."""
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page = Document(page_content=_PAGE_CONTENT)
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assert page.summary == "This is a page about LangChain."
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def test_document_lookup() -> None:
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"""Test that can lookup things okay."""
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page = Document(page_content=_PAGE_CONTENT)
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# Start with lookup on "LangChain".
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output = page.lookup("LangChain")
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assert output == "(Result 1/2) This is a page about LangChain."
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# Now switch to looking up "framework".
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output = page.lookup("framework")
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assert output == "(Result 1/1) It is a really cool framework."
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# Now switch back to looking up "LangChain", should reset.
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output = page.lookup("LangChain")
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assert output == "(Result 1/2) This is a page about LangChain."
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# Lookup "LangChain" again, should go to the next mention.
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output = page.lookup("LangChain")
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assert output == "(Result 2/2) What isn't there to love about langchain?"
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def test_document_lookups_dont_exist() -> None:
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"""Test lookup on term that doesn't exist in the document."""
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page = Document(page_content=_PAGE_CONTENT)
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# Start with lookup on "harrison".
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output = page.lookup("harrison")
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assert output == "No Results"
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def test_document_lookups_too_many() -> None:
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"""Test lookup on term too many times."""
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page = Document(page_content=_PAGE_CONTENT)
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# Start with lookup on "framework".
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output = page.lookup("framework")
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assert output == "(Result 1/1) It is a really cool framework."
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# Now try again, should be exhausted.
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output = page.lookup("framework")
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assert output == "No More Results"
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