mirror of
https://github.com/hwchase17/langchain
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29 lines
921 B
Python
29 lines
921 B
Python
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"""Test Base Schema of documents."""
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from typing import Iterator
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from langchain.document_loaders.base import BaseBlobParser
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from langchain.document_loaders.blob_loaders import Blob
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from langchain.schema import Document
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def test_base_blob_parser() -> None:
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"""Verify that the eager method is hooked up to the lazy method by default."""
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class MyParser(BaseBlobParser):
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"""A simple parser that returns a single document."""
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def lazy_parse(self, blob: Blob) -> Iterator[Document]:
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"""Lazy parsing interface."""
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yield Document(
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page_content="foo",
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)
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parser = MyParser()
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assert isinstance(parser.lazy_parse(Blob(data="who?")), Iterator)
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# We're verifying that the eager method is hooked up to the lazy method by default.
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docs = parser.parse(Blob(data="who?"))
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assert len(docs) == 1
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assert docs[0].page_content == "foo"
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