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9ece0b5ad2
**Summary** Improve element-type mapping for Chinese text. Fixes bug where Chinese text would produce large numbers of false-positive `Title` elements. Fixes #3084 --------- Co-authored-by: scanny <scanny@users.noreply.github.com> Co-authored-by: ryannikolaidis <1208590+ryannikolaidis@users.noreply.github.com>
284 lines
9.7 KiB
Python
284 lines
9.7 KiB
Python
# pyright: reportPrivateUsage=false
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"""Test suite for `unstructured.partition.doc` module."""
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from __future__ import annotations
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import pathlib
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from typing import Any, Iterator
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import pytest
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from pytest_mock import MockFixture
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from test_unstructured.unit_utils import (
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ANY,
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CaptureFixture,
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FixtureRequest,
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assert_round_trips_through_JSON,
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example_doc_path,
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method_mock,
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)
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from unstructured.chunking.basic import chunk_elements
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from unstructured.documents.elements import (
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Address,
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CompositeElement,
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Element,
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ListItem,
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NarrativeText,
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Table,
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TableChunk,
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Text,
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Title,
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)
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from unstructured.partition.doc import partition_doc
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from unstructured.partition.docx import partition_docx
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def test_partition_doc_matches_partition_docx(request: FixtureRequest):
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doc_file_path = example_doc_path("simple.doc")
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docx_file_path = example_doc_path("simple.docx")
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assert partition_doc(doc_file_path) == partition_docx(docx_file_path)
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# -- document-source (file or filename) ----------------------------------------------------------
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def test_partition_doc_from_filename(expected_elements: list[Element], capsys: CaptureFixture[str]):
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elements = partition_doc(example_doc_path("simple.doc"))
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assert elements == expected_elements
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assert all(e.metadata.file_directory == example_doc_path("") for e in elements)
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assert capsys.readouterr().out == ""
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assert capsys.readouterr().err == ""
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def test_partition_doc_from_file_with_libre_office_filter(
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expected_elements: list[Element], capsys: CaptureFixture[str]
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):
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with open(example_doc_path("simple.doc"), "rb") as f:
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elements = partition_doc(file=f, libre_office_filter="MS Word 2007 XML")
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assert elements == expected_elements
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assert capsys.readouterr().out == ""
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assert capsys.readouterr().err == ""
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def test_partition_doc_from_file_with_no_libre_office_filter(
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expected_elements: list[Element], capsys: CaptureFixture[str]
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):
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with open(example_doc_path("simple.doc"), "rb") as f:
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elements = partition_doc(file=f, libre_office_filter=None)
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assert elements == expected_elements
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assert capsys.readouterr().out == ""
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assert capsys.readouterr().err == ""
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assert all(e.metadata.filename is None for e in elements)
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def test_partition_doc_raises_when_both_a_filename_and_file_are_specified():
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doc_file_path = example_doc_path("simple.doc")
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with open(doc_file_path, "rb") as f:
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with pytest.raises(ValueError, match="Exactly one of filename and file must be specified"):
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partition_doc(filename=doc_file_path, file=f)
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def test_partition_doc_raises_when_neither_a_file_path_nor_a_file_like_object_are_provided():
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with pytest.raises(ValueError, match="Exactly one of filename and file must be specified"):
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partition_doc()
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def test_partition_raises_with_missing_doc(tmp_path: pathlib.Path):
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doc_filename = str(tmp_path / "asdf.doc")
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with pytest.raises(ValueError, match="asdf.doc does not exist"):
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partition_doc(filename=doc_filename)
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# -- .metadata.filename --------------------------------------------------------------------------
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def test_partition_doc_from_filename_gets_filename_from_filename_arg():
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elements = partition_doc(example_doc_path("simple.doc"))
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assert len(elements) > 0
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assert all(e.metadata.filename == "simple.doc" for e in elements)
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def test_partition_doc_from_file_gets_filename_None():
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with open(example_doc_path("simple.doc"), "rb") as f:
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elements = partition_doc(file=f)
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assert len(elements) > 0
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assert all(e.metadata.filename is None for e in elements)
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def test_partition_doc_from_filename_prefers_metadata_filename():
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elements = partition_doc(example_doc_path("simple.doc"), metadata_filename="test")
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assert len(elements) > 0
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assert all(element.metadata.filename == "test" for element in elements)
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def test_partition_doc_from_file_prefers_metadata_filename():
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with open(example_doc_path("simple.doc"), "rb") as f:
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elements = partition_doc(file=f, metadata_filename="test")
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assert all(e.metadata.filename == "test" for e in elements)
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# -- .metadata.filetype --------------------------------------------------------------------------
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def test_partition_doc_gets_the_DOC_MIME_type_in_metadata_filetype():
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DOC_MIME_TYPE = "application/msword"
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elements = partition_doc(example_doc_path("simple.doc"))
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assert all(e.metadata.filetype == DOC_MIME_TYPE for e in elements), (
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f"Expected all elements to have '{DOC_MIME_TYPE}' as their filetype, but got:"
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f" {repr(elements[0].metadata.filetype)}"
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)
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# -- .metadata.last_modified ---------------------------------------------------------------------
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def test_partition_doc_pulls_last_modified_from_filesystem(mocker: MockFixture):
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filesystem_last_modified = "2029-07-05T09:24:28"
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mocker.patch(
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"unstructured.partition.doc.get_last_modified_date", return_value=filesystem_last_modified
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)
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elements = partition_doc(example_doc_path("fake.doc"))
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assert all(e.metadata.last_modified == filesystem_last_modified for e in elements)
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def test_partition_doc_prefers_metadata_last_modified_when_provided(
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mocker: MockFixture,
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):
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filesystem_last_modified = "2029-07-05T09:24:28"
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metadata_last_modified = "2020-07-05T09:24:28"
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mocker.patch(
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"unstructured.partition.doc.get_last_modified_date", return_value=filesystem_last_modified
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)
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elements = partition_doc(
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example_doc_path("simple.doc"), metadata_last_modified=metadata_last_modified
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)
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assert all(e.metadata.last_modified == metadata_last_modified for e in elements)
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# -- language-recognition metadata ---------------------------------------------------------------
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def test_partition_doc_adds_languages_metadata():
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elements = partition_doc(example_doc_path("simple.doc"))
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assert all(e.metadata.languages == ["eng"] for e in elements)
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def test_partition_doc_respects_detect_language_per_element_arg():
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elements = partition_doc(
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example_doc_path("language-docs/eng_spa_mult.doc"), detect_language_per_element=True
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)
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assert [e.metadata.languages for e in elements] == [
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["eng"],
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["spa", "eng"],
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["eng"],
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["eng"],
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["spa"],
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]
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# -- miscellaneous -------------------------------------------------------------------------------
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@pytest.mark.parametrize(
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("kwargs", "expected_value"),
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[({}, "hi_res"), ({"strategy": None}, "hi_res"), ({"strategy": "auto"}, "auto")],
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)
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def test_partition_odt_forwards_strategy_arg_to_partition_docx(
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request: FixtureRequest, kwargs: dict[str, Any], expected_value: str | None
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):
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from unstructured.partition.docx import _DocxPartitioner
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def fake_iter_document_elements(self: _DocxPartitioner) -> Iterator[Element]:
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yield Text(f"strategy == {self._opts.strategy}")
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_iter_elements_ = method_mock(
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request,
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_DocxPartitioner,
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"_iter_document_elements",
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side_effect=fake_iter_document_elements,
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)
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(element,) = partition_doc(example_doc_path("simple.doc"), **kwargs)
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_iter_elements_.assert_called_once_with(ANY)
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assert element.text == f"strategy == {expected_value}"
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def test_partition_doc_grabs_emphasized_texts():
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expected_emphasized_text_contents = ["bold", "italic", "bold-italic", "bold-italic"]
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expected_emphasized_text_tags = ["b", "i", "b", "i"]
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elements = partition_doc(example_doc_path("fake-doc-emphasized-text.doc"))
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assert isinstance(elements[0], Table)
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assert elements[0].metadata.emphasized_text_contents == expected_emphasized_text_contents
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assert elements[0].metadata.emphasized_text_tags == expected_emphasized_text_tags
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assert elements[1] == NarrativeText("I am a bold italic bold-italic text.")
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assert elements[1].metadata.emphasized_text_contents == expected_emphasized_text_contents
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assert elements[1].metadata.emphasized_text_tags == expected_emphasized_text_tags
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assert elements[2] == NarrativeText("I am a normal text.")
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assert elements[2].metadata.emphasized_text_contents is None
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assert elements[2].metadata.emphasized_text_tags is None
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def test_partition_doc_round_trips_through_json():
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"""Elements produced can be serialized then deserialized without loss."""
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assert_round_trips_through_JSON(partition_doc(example_doc_path("simple.doc")))
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def test_partition_doc_chunks_elements_when_chunking_strategy_is_specified():
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document_path = example_doc_path("simple.doc")
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elements = partition_doc(document_path)
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chunks = partition_doc(document_path, chunking_strategy="basic")
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# -- all chunks are chunk element-types --
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assert all(isinstance(c, (CompositeElement, Table, TableChunk)) for c in chunks)
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# -- chunks from partitioning match those produced by chunking elements in separate step --
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assert chunks == chunk_elements(elements)
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def test_partition_doc_assigns_deterministic_and_unique_element_ids():
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document_path = example_doc_path("duplicate-paragraphs.doc")
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ids = [element.id for element in partition_doc(document_path)]
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ids_2 = [element.id for element in partition_doc(document_path)]
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# -- ids should match even though partitioned separately --
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assert ids == ids_2
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# -- ids should be unique --
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assert len(ids) == len(set(ids))
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# == module-level fixtures =======================================================================
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@pytest.fixture()
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def expected_elements() -> list[Element]:
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return [
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Title("These are a few of my favorite things:"),
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ListItem("Parrots"),
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ListItem("Hockey"),
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Text("Analysis"),
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NarrativeText("This is my first thought. This is my second thought."),
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NarrativeText("This is my third thought."),
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Text("2023"),
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Address("DOYLESTOWN, PA 18901"),
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]
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