OCRmyPDF/tests/test_api.py
2023-10-24 00:54:30 -07:00

58 lines
1.5 KiB
Python

# SPDX-FileCopyrightText: 2022 James R. Barlow
# SPDX-License-Identifier: MPL-2.0
from __future__ import annotations
from io import BytesIO
from pathlib import Path
import pytest
import ocrmypdf
def test_language_list():
with pytest.raises(
(ocrmypdf.exceptions.InputFileError, ocrmypdf.exceptions.MissingDependencyError)
):
ocrmypdf.ocr('doesnotexist.pdf', '_.pdf', language=['eng', 'deu'])
def test_stream_api(resources: Path):
in_ = (resources / 'graph.pdf').open('rb')
out = BytesIO()
ocrmypdf.ocr(in_, out, tesseract_timeout=0.0)
out.seek(0)
assert b'%PDF' in out.read(1024)
def test_hocr_api(resources: Path, outdir: Path):
ocrmypdf.pdf_to_hocr(
resources / 'multipage.pdf',
outdir,
language='eng',
skip_text=True,
plugins=['tests/plugins/tesseract_cache.py'],
)
assert (outdir / '000001_ocr_hocr.hocr').exists()
assert (outdir / '000006_ocr_hocr.hocr').exists()
assert not (outdir / '000004_ocr_hocr.hocr').exists()
def test_hocr_to_pdf_api(resources: Path, outdir: Path, outpdf: Path):
ocrmypdf.pdf_to_hocr(
resources / 'ccitt.pdf',
outdir,
language='eng',
skip_text=True,
plugins=['tests/plugins/tesseract_cache.py'],
)
assert (outdir / '000001_ocr_hocr.hocr').exists()
hocr = (outdir / '000001_ocr_hocr.hocr').read_text(encoding='utf-8')
mangled = hocr.replace('the', 'hocr')
(outdir / '000001_ocr_hocr.hocr').write_text(mangled, encoding='utf-8')
ocrmypdf.hocr_to_ocr_pdf(outdir, outpdf)