mirror of
https://github.com/hwchase17/langchain
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57 lines
1.4 KiB
Python
57 lines
1.4 KiB
Python
import unittest
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from langchain.document_loaders.duckdb_loader import DuckDBLoader
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try:
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import duckdb # noqa: F401
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duckdb_installed = True
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except ImportError:
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duckdb_installed = False
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@unittest.skipIf(not duckdb_installed, "duckdb not installed")
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def test_duckdb_loader_no_options() -> None:
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"""Test DuckDB loader."""
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loader = DuckDBLoader("SELECT 1 AS a, 2 AS b")
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docs = loader.load()
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assert len(docs) == 1
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assert docs[0].page_content == "a: 1\nb: 2"
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assert docs[0].metadata == {}
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@unittest.skipIf(not duckdb_installed, "duckdb not installed")
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def test_duckdb_loader_page_content_columns() -> None:
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"""Test DuckDB loader."""
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loader = DuckDBLoader(
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"SELECT 1 AS a, 2 AS b UNION SELECT 3 AS a, 4 AS b",
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page_content_columns=["a"],
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)
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docs = loader.load()
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assert len(docs) == 2
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assert docs[0].page_content == "a: 1"
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assert docs[0].metadata == {}
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assert docs[1].page_content == "a: 3"
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assert docs[1].metadata == {}
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@unittest.skipIf(not duckdb_installed, "duckdb not installed")
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def test_duckdb_loader_metadata_columns() -> None:
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"""Test DuckDB loader."""
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loader = DuckDBLoader(
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"SELECT 1 AS a, 2 AS b",
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page_content_columns=["a"],
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metadata_columns=["b"],
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)
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docs = loader.load()
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assert len(docs) == 1
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assert docs[0].page_content == "a: 1"
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assert docs[0].metadata == {"b": 2}
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