1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
#!/usr/bin/python3
import unittest
import shutil
import os
from src import parsers
from src.parsers import pdf, png, jpg
class TestGetMeta(unittest.TestCase):
def test_pdf(self):
p = pdf.PDFParser('./tests/data/dirty.pdf')
meta = p.get_meta()
self.assertEqual(meta['producer'], 'pdfTeX-1.40.14')
self.assertEqual(meta['creator'], "'Certified by IEEE PDFeXpress at 03/19/2016 2:56:07 AM'")
def test_png(self):
p = png.PNGParser('./tests/data/dirty.png')
meta = p.get_meta()
self.assertEqual(meta['Comment'], 'This is a comment, be careful!')
self.assertEqual(meta['ModifyDate'], "2018:03:20 21:59:25")
def test_jpg(self):
p = jpg.JPGParser('./tests/data/dirty.jpg')
meta = p.get_meta()
self.assertEqual(meta['Comment'], 'Created with GIMP')
class TestCleaning(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')
ret = p.remove_all()
self.assertTrue(ret)
p = pdf.PDFParser('./tests/data/clean.pdf.cleaned')
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')
def test_png(self):
shutil.copy('./tests/data/dirty.png', './tests/data/clean.png')
p = png.PNGParser('./tests/data/clean.png')
meta = p.get_meta()
self.assertEqual(meta['Comment'], 'This is a comment, be careful!')
ret = p.remove_all()
self.assertTrue(ret)
p = png.PNGParser('./tests/data/clean.png.cleaned')
self.assertEqual(p.get_meta(), {})
os.remove('./tests/data/clean.png')
def test_jpg(self):
shutil.copy('./tests/data/dirty.jpg', './tests/data/clean.jpg')
p = jpg.JPGParser('./tests/data/clean.jpg')
meta = p.get_meta()
self.assertEqual(meta['Comment'], 'Created with GIMP')
ret = p.remove_all()
self.assertTrue(ret)
p = jpg.JPGParser('./tests/data/clean.jpg.cleaned')
self.assertEqual(p.get_meta(), {})
os.remove('./tests/data/clean.jpg')
|
