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#!/usr/bin/env python3
import unittest
import shutil
import os
from libmat2 import pdf, images, torrent
class TestLightWeightCleaning(unittest.TestCase):
data = [{
'name': 'pdf',
'parser': pdf.PDFParser,
'meta': {'producer': 'pdfTeX-1.40.14'},
'expected_meta': {'creation-date': -1, 'format': 'PDF-1.5', 'mod-date': -1},
}, {
'name': 'png',
'parser': images.PNGParser,
'meta': {'Comment': 'This is a comment, be careful!'},
'expected_meta': {},
}, {
'name': 'jpg',
'parser': images.JPGParser,
'meta': {'Comment': 'Created with GIMP'},
'expected_meta': {},
}, {
'name': 'torrent',
'parser': torrent.TorrentParser,
'meta': {'created by': b'mktorrent 1.0'},
'expected_meta': {},
},{
'name': 'tiff',
'parser': images.TiffParser,
'meta': {'ImageDescription': 'OLYMPUS DIGITAL CAMERA '},
'expected_meta': {
'Orientation': 'Horizontal (normal)',
'ResolutionUnit': 'inches',
'XResolution': 72,
'YResolution': 72
}
},
]
def test_all(self):
for case in self.data:
target = './tests/data/clean.' + case['name']
shutil.copy('./tests/data/dirty.' + case['name'], target)
p1 = case['parser'](target)
meta = p1.get_meta()
for k, v in case['meta'].items():
self.assertEqual(meta[k], v)
p1.lightweight_cleaning = True
self.assertTrue(p1.remove_all())
p2 = case['parser'](p1.output_filename)
self.assertEqual(p2.get_meta(), case['expected_meta'])
os.remove(target)
os.remove(p1.output_filename)
def test_exiftool_overwrite(self):
target = './tests/data/clean.png'
shutil.copy('./tests/data/dirty.png', target)
p1 = images.PNGParser(target)
p1.lightweight_cleaning = True
shutil.copy('./tests/data/dirty.png', p1.output_filename)
self.assertTrue(p1.remove_all())
p2 = images.PNGParser(p1.output_filename)
self.assertEqual(p2.get_meta(), {})
os.remove(target)
os.remove(p1.output_filename)