OCRmyPDF/tests/test_graft.py
James R. Barlow 8307832ce9 tests: add force OCR to a file with text that Ghostscript doesn't see
For gs 9.52 support.

Also refactor use of pikepdf.open() to use with blocks.
2020-03-29 22:44:27 -07:00

55 lines
1.7 KiB
Python

# © 2019 James R. Barlow: github.com/jbarlow83
#
# This file is part of OCRmyPDF.
#
# OCRmyPDF is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# OCRmyPDF is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with OCRmyPDF. If not, see <http://www.gnu.org/licenses/>.
import os
from unittest.mock import patch
import pikepdf
import pytest
import ocrmypdf
def test_no_glyphless_graft(resources, outdir):
with pikepdf.open(resources / 'francais.pdf') as pdf, pikepdf.open(
resources / 'aspect.pdf'
) as pdf_aspect, pikepdf.open(resources / 'cmyk.pdf') as pdf_cmyk:
pdf.pages.extend(pdf_aspect.pages)
pdf.pages.extend(pdf_cmyk.pages)
pdf.save(outdir / 'test.pdf')
with patch('ocrmypdf._graft.MAX_REPLACE_PAGES', 2):
ocrmypdf.ocr(
outdir / 'test.pdf',
outdir / 'out.pdf',
deskew=True,
tesseract_timeout=0,
force_ocr=True,
)
# This test needs asserts
def test_links(resources, outpdf):
ocrmypdf.ocr(
resources / 'link.pdf', outpdf, redo_ocr=True, oversample=200, output_type='pdf'
)
with pikepdf.open(outpdf) as pdf:
p1 = pdf.pages[0]
p2 = pdf.pages[1]
assert p1.Annots[0].A.D[0].objgen == p2.objgen
assert p2.Annots[0].A.D[0].objgen == p1.objgen