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90 lines
2.4 KiB
Python
90 lines
2.4 KiB
Python
# SPDX-FileCopyrightText: 2022 James R. Barlow
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# SPDX-License-Identifier: MPL-2.0
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from __future__ import annotations
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from unittest.mock import patch
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import img2pdf
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import pikepdf
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import pytest
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from PIL import Image
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import ocrmypdf
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from .conftest import check_ocrmypdf, run_ocrmypdf_api
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# pylint: disable=redefined-outer-name
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@pytest.fixture
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def baiona(resources):
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return Image.open(resources / 'baiona_gray.png')
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def test_image_to_pdf(resources, outpdf):
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check_ocrmypdf(
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resources / 'crom.png',
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outpdf,
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'--image-dpi',
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'200',
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'--plugin',
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'tests/plugins/tesseract_noop.py',
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)
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def test_no_dpi_info(caplog, baiona, outdir, no_outpdf):
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im = baiona
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assert 'dpi' not in im.info
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input_image = outdir / 'baiona_no_dpi.png'
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im.save(input_image)
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rc = run_ocrmypdf_api(input_image, no_outpdf)
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assert rc == ocrmypdf.ExitCode.input_file
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assert "--image-dpi" in caplog.text
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def test_dpi_not_credible(caplog, baiona, outdir, no_outpdf):
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im = baiona
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assert 'dpi' not in im.info
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input_image = outdir / 'baiona_no_dpi.png'
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im.save(input_image, dpi=(30, 30))
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rc = run_ocrmypdf_api(input_image, no_outpdf)
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assert rc == ocrmypdf.ExitCode.input_file
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assert "not credible" in caplog.text
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def test_cmyk_no_icc(caplog, resources, no_outpdf):
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rc = run_ocrmypdf_api(resources / 'baiona_cmyk.jpg', no_outpdf)
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assert rc == ocrmypdf.ExitCode.input_file
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assert "no ICC profile" in caplog.text
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def test_img2pdf_fails(resources, no_outpdf):
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with patch(
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'ocrmypdf._pipeline.img2pdf.convert', side_effect=img2pdf.ImageOpenError()
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) as mock:
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rc = run_ocrmypdf_api(
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resources / 'baiona_gray.png', no_outpdf, '--image-dpi', '200'
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)
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assert rc == ocrmypdf.ExitCode.input_file
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mock.assert_called()
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@pytest.mark.xfail(reason="remove background disabled")
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def test_jpeg_in_jpeg_out(resources, outpdf):
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check_ocrmypdf(
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resources / 'congress.jpg',
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outpdf,
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'--image-dpi',
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'100',
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'--output-type',
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'pdf', # specifically check pdf because Ghostscript may convert to JPEG
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'--remove-background',
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'--plugin',
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'tests/plugins/tesseract_noop.py',
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)
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with pikepdf.open(outpdf) as pdf:
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assert next(iter(pdf.pages[0].images.values())).Filter == pikepdf.Name.DCTDecode
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