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#!/usr/bin/env python3
import unittest
import shutil
import os
from libmat2 import pdf, images
class TestLightWeightCleaning(unittest.TestCase):
def test_pdf(self):
shutil.copy('./tests/data/dirty.pdf', './tests/data/clean.pdf')
p = pdf.PDFParser('./tests/data/clean.pdf')
meta = p.get_meta()
self.assertEqual(meta['producer'], 'pdfTeX-1.40.14')
p.lightweight_cleaning = True
ret = p.remove_all()
self.assertTrue(ret)
p = pdf.PDFParser('./tests/data/clean.cleaned.pdf')
expected_meta = {'creation-date': -1, 'format': 'PDF-1.5', 'mod-date': -1}
self.assertEqual(p.get_meta(), expected_meta)
os.remove('./tests/data/clean.pdf')
os.remove('./tests/data/clean.cleaned.pdf')
def test_png(self):
shutil.copy('./tests/data/dirty.png', './tests/data/clean.png')
p = images.PNGParser('./tests/data/clean.png')
meta = p.get_meta()
self.assertEqual(meta['Comment'], 'This is a comment, be careful!')
p.lightweight_cleaning = True
ret = p.remove_all()
self.assertTrue(ret)
p = images.PNGParser('./tests/data/clean.cleaned.png')
self.assertEqual(p.get_meta(), {})
p = images.PNGParser('./tests/data/clean.png')
p.lightweight_cleaning = True
ret = p.remove_all()
self.assertTrue(ret)
os.remove('./tests/data/clean.png')
os.remove('./tests/data/clean.cleaned.png')
def test_jpg(self):
shutil.copy('./tests/data/dirty.jpg', './tests/data/clean.jpg')
p = images.JPGParser('./tests/data/clean.jpg')
meta = p.get_meta()
self.assertEqual(meta['Comment'], 'Created with GIMP')
p.lightweight_cleaning = True
ret = p.remove_all()
self.assertTrue(ret)
p = images.JPGParser('./tests/data/clean.cleaned.jpg')
self.assertEqual(p.get_meta(), {})
os.remove('./tests/data/clean.jpg')
os.remove('./tests/data/clean.cleaned.jpg')
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