haystack/test/test_file_converter.py
2021-02-12 13:38:54 +01:00

53 lines
2.2 KiB
Python

from pathlib import Path
import pytest
from haystack.file_converter.docx import DocxToTextConverter
from haystack.file_converter.pdf import PDFToTextConverter
from haystack.file_converter.tika import TikaConverter
@pytest.mark.tika
@pytest.mark.parametrize("Converter", [PDFToTextConverter, TikaConverter])
def test_convert(Converter, xpdf_fixture):
converter = Converter()
document = converter.convert(file_path=Path("samples/pdf/sample_pdf_1.pdf"))
pages = document["text"].split("\f")
assert len(pages) == 4 # the sample PDF file has four pages.
assert pages[0] != "" # the page 1 of PDF contains text.
assert pages[2] == "" # the page 3 of PDF file is empty.
@pytest.mark.tika
@pytest.mark.parametrize("Converter", [PDFToTextConverter, TikaConverter])
def test_table_removal(Converter, xpdf_fixture):
converter = Converter(remove_numeric_tables=True)
document = converter.convert(file_path=Path("samples/pdf/sample_pdf_1.pdf"))
pages = document["text"].split("\f")
# assert numeric rows are removed from the table.
assert "324" not in pages[0]
assert "54x growth" not in pages[0]
# assert text is retained from the document.
# As whitespace can differ (\n," ", etc.), we standardize all to simple whitespace
page_standard_whitespace = " ".join(pages[0].split())
assert "Adobe Systems made the PDF specification available free of charge in 1993." in page_standard_whitespace
@pytest.mark.tika
@pytest.mark.parametrize("Converter", [PDFToTextConverter, TikaConverter])
def test_language_validation(Converter, xpdf_fixture, caplog):
converter = Converter(valid_languages=["en"])
converter.convert(file_path=Path("samples/pdf/sample_pdf_1.pdf"))
assert "The language for samples/pdf/sample_pdf_1.pdf is not one of ['en']." not in caplog.text
converter = Converter(valid_languages=["de"])
converter.convert(file_path=Path("samples/pdf/sample_pdf_1.pdf"))
assert "The language for samples/pdf/sample_pdf_1.pdf is not one of ['de']." in caplog.text
def test_docx_converter():
converter = DocxToTextConverter()
document = converter.convert(file_path=Path("samples/docx/sample_docx.docx"))
assert document["text"].startswith("Sample Docx File")