mirror of
https://github.com/cedricbonhomme/Stegano.git
synced 2025-06-28 03:06:14 +02:00
Improved code style.
This commit is contained in:
Cédric Bonhomme
parent
9b216d9d59
commit
71f6c08c28
19 changed files with 335 additions and 253 deletions
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@ -31,14 +31,15 @@ import io
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from stegano import exifHeader
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class TestEXIFHeader(unittest.TestCase):
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class TestEXIFHeader(unittest.TestCase):
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def test_hide_empty_message(self):
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"""Test hiding the empty string.
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"""
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secret = exifHeader.hide("./tests/sample-files/20160505T130442.jpg",
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"./image.jpg", secret_message="")
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#secret.save(""./image.png"")
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secret = exifHeader.hide(
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"./tests/sample-files/20160505T130442.jpg", "./image.jpg", secret_message=""
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)
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# secret.save(""./image.png"")
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clear_message = exifHeader.reveal("./image.jpg")
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@ -48,17 +49,21 @@ class TestEXIFHeader(unittest.TestCase):
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messages_to_hide = ["a", "foo", "Hello World!", ":Python:"]
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for message in messages_to_hide:
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secret = exifHeader.hide("./tests/sample-files/20160505T130442.jpg",
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"./image.jpg", secret_message=message)
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secret = exifHeader.hide(
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"./tests/sample-files/20160505T130442.jpg",
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"./image.jpg",
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secret_message=message,
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)
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clear_message = exifHeader.reveal("./image.jpg")
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self.assertEqual(message, message)
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def test_with_image_without_exif_data(self):
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secret = exifHeader.hide("./tests/sample-files/Lenna.jpg",
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"./image.jpg", secret_message="")
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#secret.save(""./image.png"")
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secret = exifHeader.hide(
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"./tests/sample-files/Lenna.jpg", "./image.jpg", secret_message=""
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)
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# secret.save(""./image.png"")
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clear_message = exifHeader.reveal("./image.jpg")
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@ -68,17 +73,20 @@ class TestEXIFHeader(unittest.TestCase):
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text_file_to_hide = "./tests/sample-files/lorem_ipsum.txt"
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with open(text_file_to_hide, "rb") as f:
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message = f.read()
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secret = exifHeader.hide("./tests/sample-files/20160505T130442.jpg",
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img_enc="./image.jpg",
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secret_file=text_file_to_hide)
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secret = exifHeader.hide(
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"./tests/sample-files/20160505T130442.jpg",
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img_enc="./image.jpg",
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secret_file=text_file_to_hide,
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)
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clear_message = exifHeader.reveal("./image.jpg")
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self.assertEqual(message, clear_message)
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def test_with_png_image(self):
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secret = exifHeader.hide("./tests/sample-files/Lenna.png",
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"./image.png", secret_message="Secret")
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#secret.save(""./image.png"")
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secret = exifHeader.hide(
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"./tests/sample-files/Lenna.png", "./image.png", secret_message="Secret"
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)
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# secret.save(""./image.png"")
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with self.assertRaises(ValueError):
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clear_message = exifHeader.reveal("./image.png")
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@ -86,7 +94,7 @@ class TestEXIFHeader(unittest.TestCase):
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def test_with_bytes(self):
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outputBytes = io.BytesIO()
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message = b"Secret"
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with open("./tests/sample-files/20160505T130442.jpg", 'rb') as f:
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with open("./tests/sample-files/20160505T130442.jpg", "rb") as f:
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exifHeader.hide(f, outputBytes, secret_message=message)
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clear_message = exifHeader.reveal(outputBytes)
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@ -102,5 +110,6 @@ class TestEXIFHeader(unittest.TestCase):
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except:
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pass
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if __name__ == '__main__':
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if __name__ == "__main__":
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unittest.main()
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@ -32,109 +32,140 @@ from stegano.lsbset import generators
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class TestGenerators(unittest.TestCase):
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def test_identity(self):
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"""Test the identity generator.
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"""
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self.assertEqual(tuple(itertools.islice(generators.identity(), 15)),
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(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14))
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self.assertEqual(
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tuple(itertools.islice(generators.identity(), 15)),
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(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14),
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)
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def test_fibonacci(self):
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"""Test the Fibonacci generator.
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"""
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self.assertEqual(tuple(itertools.islice(generators.fibonacci(), 20)),
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(1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610,
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987, 1597, 2584, 4181, 6765, 10946))
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self.assertEqual(
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tuple(itertools.islice(generators.fibonacci(), 20)),
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(
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1,
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2,
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3,
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5,
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8,
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13,
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21,
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34,
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55,
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89,
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144,
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233,
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377,
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610,
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987,
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1597,
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2584,
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4181,
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6765,
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10946,
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),
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)
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def test_eratosthenes(self):
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"""Test the Eratosthenes sieve.
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"""
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with open('./tests/expected-results/eratosthenes', 'r') as f:
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self.assertEqual(tuple(itertools.islice(generators.eratosthenes(), 168)),
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tuple(int(line) for line in f))
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with open("./tests/expected-results/eratosthenes", "r") as f:
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self.assertEqual(
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tuple(itertools.islice(generators.eratosthenes(), 168)),
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tuple(int(line) for line in f),
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)
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def test_composite(self):
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"""Test the composite sieve.
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"""
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with open('./tests/expected-results/composite', 'r') as f:
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self.assertEqual(tuple(itertools.islice(generators.composite(), 114)),
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tuple(int(line) for line in f))
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with open("./tests/expected-results/composite", "r") as f:
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self.assertEqual(
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tuple(itertools.islice(generators.composite(), 114)),
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tuple(int(line) for line in f),
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)
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def test_fermat(self):
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"""Test the Fermat generator.
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"""
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with open('./tests/expected-results/fermat', 'r') as f:
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self.assertEqual(tuple(itertools.islice(generators.fermat(), 9)),
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tuple(int(line) for line in f))
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with open("./tests/expected-results/fermat", "r") as f:
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self.assertEqual(
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tuple(itertools.islice(generators.fermat(), 9)),
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tuple(int(line) for line in f),
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)
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def test_triangular_numbers(self):
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"""Test the Triangular numbers generator.
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"""
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with open('./tests/expected-results/triangular_numbers', 'r') as f:
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self.assertEqual(tuple(itertools.islice(generators.triangular_numbers(), 54)),
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tuple(int(line) for line in f))
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with open("./tests/expected-results/triangular_numbers", "r") as f:
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self.assertEqual(
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tuple(itertools.islice(generators.triangular_numbers(), 54)),
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tuple(int(line) for line in f),
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)
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def test_mersenne(self):
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"""Test the Mersenne generator.
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"""
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with open('./tests/expected-results/mersenne', 'r') as f:
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self.assertEqual(tuple(itertools.islice(generators.mersenne(), 20)),
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tuple(int(line) for line in f))
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with open("./tests/expected-results/mersenne", "r") as f:
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self.assertEqual(
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tuple(itertools.islice(generators.mersenne(), 20)),
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tuple(int(line) for line in f),
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)
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def test_carmichael(self):
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"""Test the Carmichael generator.
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"""
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with open('./tests/expected-results/carmichael', 'r') as f:
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self.assertEqual(tuple(itertools.islice(generators.carmichael(), 33)),
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tuple(int(line) for line in f))
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with open("./tests/expected-results/carmichael", "r") as f:
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self.assertEqual(
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tuple(itertools.islice(generators.carmichael(), 33)),
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tuple(int(line) for line in f),
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)
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def test_ackermann_slow(self):
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"""Test the Ackermann set.
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"""
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with open('./tests/expected-results/ackermann', 'r') as f:
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self.assertEqual(generators.ackermann_slow(
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3, 1), int(f.readline()))
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self.assertEqual(generators.ackermann_slow(
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3, 2), int(f.readline()))
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with open("./tests/expected-results/ackermann", "r") as f:
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self.assertEqual(generators.ackermann_slow(3, 1), int(f.readline()))
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self.assertEqual(generators.ackermann_slow(3, 2), int(f.readline()))
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def test_ackermann_naive(self):
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"""Test the Naive Ackermann generator
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"""
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gen = generators.ackermann_naive(3)
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next(gen)
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with open('./tests/expected-results/ackermann', 'r') as f:
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with open("./tests/expected-results/ackermann", "r") as f:
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self.assertEqual(next(gen), int(f.readline()))
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self.assertEqual(next(gen), int(f.readline()))
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def test_ackermann_fast(self):
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"""Test the Ackermann set.
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"""
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with open('./tests/expected-results/ackermann', 'r') as f:
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self.assertEqual(generators.ackermann_fast(
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3, 1), int(f.readline()))
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self.assertEqual(generators.ackermann_fast(
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3, 2), int(f.readline()))
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self.assertEqual(generators.ackermann_fast(
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4, 1), int(f.readline()))
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self.assertEqual(generators.ackermann_fast(
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4, 2), int(f.readline()))
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with open("./tests/expected-results/ackermann", "r") as f:
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self.assertEqual(generators.ackermann_fast(3, 1), int(f.readline()))
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self.assertEqual(generators.ackermann_fast(3, 2), int(f.readline()))
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self.assertEqual(generators.ackermann_fast(4, 1), int(f.readline()))
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self.assertEqual(generators.ackermann_fast(4, 2), int(f.readline()))
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def test_ackermann(self):
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"""Test the Ackermann generator
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"""
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gen = generators.ackermann(3)
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next(gen)
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with open('./tests/expected-results/ackermann', 'r') as f:
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with open("./tests/expected-results/ackermann", "r") as f:
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self.assertEqual(next(gen), int(f.readline()))
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self.assertEqual(next(gen), int(f.readline()))
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def test_LFSR(self):
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""" Test the LFSR generator
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"""
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with open('./tests/expected-results/LFSR', 'r') as f:
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self.assertEqual(tuple(itertools.islice(generators.LFSR(2**8), 256)),
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tuple(int(line) for line in f))
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with open("./tests/expected-results/LFSR", "r") as f:
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self.assertEqual(
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tuple(itertools.islice(generators.LFSR(2 ** 8), 256)),
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tuple(int(line) for line in f),
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)
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if __name__ == '__main__':
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if __name__ == "__main__":
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unittest.main()
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@ -33,8 +33,8 @@ from unittest.mock import patch
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from stegano import lsb
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class TestLSB(unittest.TestCase):
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class TestLSB(unittest.TestCase):
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def test_hide_empty_message(self):
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"""
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Test hiding the empty string.
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@ -43,7 +43,7 @@ class TestLSB(unittest.TestCase):
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secret = lsb.hide("./tests/sample-files/Lenna.png", "")
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def test_hide_and_reveal(self):
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messages_to_hide = ['a', 'foo', 'Hello World!', ':Python:']
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messages_to_hide = ["a", "foo", "Hello World!", ":Python:"]
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for message in messages_to_hide:
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secret = lsb.hide("./tests/sample-files/Lenna.png", message)
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secret.save("./image.png")
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@ -52,45 +52,57 @@ class TestLSB(unittest.TestCase):
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self.assertEqual(message, clear_message)
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def test_hide_and_reveal_UTF32LE(self):
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messages_to_hide = 'I love 🍕 and 🍫!'
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secret = lsb.hide("./tests/sample-files/Lenna.png",
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messages_to_hide, encoding='UTF-32LE')
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messages_to_hide = "I love 🍕 and 🍫!"
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secret = lsb.hide(
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"./tests/sample-files/Lenna.png", messages_to_hide, encoding="UTF-32LE"
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)
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secret.save("./image.png")
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clear_message = lsb.reveal("./image.png", encoding='UTF-32LE')
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clear_message = lsb.reveal("./image.png", encoding="UTF-32LE")
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self.assertEqual(messages_to_hide, clear_message)
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def test_with_transparent_png(self):
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messages_to_hide = ['🍕', 'a', 'foo', 'Hello World!', ':Python:']
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messages_to_hide = ["🍕", "a", "foo", "Hello World!", ":Python:"]
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for message in messages_to_hide:
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secret = lsb.hide("./tests/sample-files/transparent.png",
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message, encoding='UTF-32LE')
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secret = lsb.hide(
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"./tests/sample-files/transparent.png", message, encoding="UTF-32LE"
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)
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secret.save("./image.png")
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clear_message = lsb.reveal("./image.png", encoding='UTF-32LE')
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clear_message = lsb.reveal("./image.png", encoding="UTF-32LE")
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self.assertEqual(message, clear_message)
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@patch('builtins.input', return_value='y')
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@patch("builtins.input", return_value="y")
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def test_manual_convert_rgb(self, input):
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message_to_hide = 'I love 🍕 and 🍫!'
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secret = lsb.hide("./tests/sample-files/Lenna-grayscale.png",
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message_to_hide, encoding='UTF-32LE')
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message_to_hide = "I love 🍕 and 🍫!"
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secret = lsb.hide(
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"./tests/sample-files/Lenna-grayscale.png",
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message_to_hide,
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encoding="UTF-32LE",
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)
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@patch('builtins.input', return_value='n')
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@patch("builtins.input", return_value="n")
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def test_refuse_convert_rgb(self, input):
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message_to_hide = 'I love 🍕 and 🍫!'
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message_to_hide = "I love 🍕 and 🍫!"
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with self.assertRaises(Exception):
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secret = lsb.hide("./tests/sample-files/Lenna-grayscale.png",
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message_to_hide, encoding='UTF-32LE')
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secret = lsb.hide(
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"./tests/sample-files/Lenna-grayscale.png",
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message_to_hide,
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encoding="UTF-32LE",
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)
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def test_auto_convert_rgb(self):
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message_to_hide = 'I love 🍕 and 🍫!'
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secret = lsb.hide("./tests/sample-files/Lenna-grayscale.png",
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message_to_hide, encoding='UTF-32LE', auto_convert_rgb=True)
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message_to_hide = "I love 🍕 and 🍫!"
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secret = lsb.hide(
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"./tests/sample-files/Lenna-grayscale.png",
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message_to_hide,
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encoding="UTF-32LE",
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auto_convert_rgb=True,
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)
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def test_with_text_file(self):
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text_file_to_hide = './tests/sample-files/lorem_ipsum.txt'
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text_file_to_hide = "./tests/sample-files/lorem_ipsum.txt"
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with open(text_file_to_hide) as f:
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message = f.read()
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secret = lsb.hide("./tests/sample-files/Lenna.png", message)
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@ -108,23 +120,23 @@ class TestLSB(unittest.TestCase):
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secret.save("./image.png")
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clear_message = lsb.reveal("./image.png")
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clear_message += '==='
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clear_message += "==="
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clear_message = base64.b64decode(clear_message)
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with open('file1', 'wb') as f:
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with open("file1", "wb") as f:
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f.write(clear_message)
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with open('file1', 'rb') as bin_file:
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with open("file1", "rb") as bin_file:
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encoded_string = base64.b64encode(bin_file.read())
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message1 = encoded_string.decode()
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self.assertEqual(message, message1)
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try:
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os.unlink('./file1')
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os.unlink("./file1")
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except:
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pass
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def test_with_too_long_message(self):
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with open("./tests/sample-files/lorem_ipsum.txt") as f:
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message = f.read()
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message += message*2
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message += message * 2
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with self.assertRaises(Exception):
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lsb.hide("./tests/sample-files/Lenna.png", message)
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@ -133,7 +145,7 @@ class TestLSB(unittest.TestCase):
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for message in messages_to_hide:
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outputBytes = io.BytesIO()
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with open("./tests/sample-files/20160505T130442.jpg", 'rb') as f:
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with open("./tests/sample-files/20160505T130442.jpg", "rb") as f:
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bytes_image = lsb.hide(f, message)
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bytes_image.save(outputBytes, "PNG")
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outputBytes.seek(0)
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@ -162,5 +174,5 @@ class TestLSB(unittest.TestCase):
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pass
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if __name__ == '__main__':
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if __name__ == "__main__":
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unittest.main()
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|
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@ -33,96 +33,111 @@ from unittest.mock import patch
|
|||
from stegano import lsbset
|
||||
from stegano.lsbset import generators
|
||||
|
||||
class TestLSBSet(unittest.TestCase):
|
||||
|
||||
class TestLSBSet(unittest.TestCase):
|
||||
def test_hide_empty_message(self):
|
||||
"""
|
||||
Test hiding the empty string.
|
||||
"""
|
||||
with self.assertRaises(AssertionError):
|
||||
secret = lsbset.hide("./tests/sample-files/Lenna.png", "",
|
||||
generators.eratosthenes())
|
||||
secret = lsbset.hide(
|
||||
"./tests/sample-files/Lenna.png", "", generators.eratosthenes()
|
||||
)
|
||||
|
||||
def test_hide_and_reveal(self):
|
||||
messages_to_hide = ["a", "foo", "Hello World!", ":Python:"]
|
||||
for message in messages_to_hide:
|
||||
secret = lsbset.hide("./tests/sample-files/Lenna.png", message,
|
||||
generators.eratosthenes())
|
||||
secret = lsbset.hide(
|
||||
"./tests/sample-files/Lenna.png", message, generators.eratosthenes()
|
||||
)
|
||||
secret.save("./image.png")
|
||||
|
||||
clear_message = lsbset.reveal("./image.png",
|
||||
generators.eratosthenes())
|
||||
clear_message = lsbset.reveal("./image.png", generators.eratosthenes())
|
||||
|
||||
self.assertEqual(message, clear_message)
|
||||
|
||||
def test_hide_and_reveal_with_ackermann(self):
|
||||
messages_to_hide = ["foo"]
|
||||
for message in messages_to_hide:
|
||||
secret = lsbset.hide("./tests/sample-files/Lenna.png", message,
|
||||
generators.ackermann(m=3))
|
||||
secret = lsbset.hide(
|
||||
"./tests/sample-files/Lenna.png", message, generators.ackermann(m=3)
|
||||
)
|
||||
secret.save("./image.png")
|
||||
|
||||
clear_message = lsbset.reveal("./image.png",
|
||||
generators.ackermann(m=3))
|
||||
clear_message = lsbset.reveal("./image.png", generators.ackermann(m=3))
|
||||
|
||||
self.assertEqual(message, clear_message)
|
||||
|
||||
|
||||
def test_hide_and_reveal_with_shift(self):
|
||||
messages_to_hide = ["a", "foo", "Hello World!", ":Python:"]
|
||||
for message in messages_to_hide:
|
||||
secret = lsbset.hide("./tests/sample-files/Lenna.png", message,
|
||||
generators.eratosthenes(), 4)
|
||||
secret = lsbset.hide(
|
||||
"./tests/sample-files/Lenna.png", message, generators.eratosthenes(), 4
|
||||
)
|
||||
secret.save("./image.png")
|
||||
|
||||
clear_message = lsbset.reveal("./image.png",
|
||||
generators.eratosthenes(), 4)
|
||||
clear_message = lsbset.reveal("./image.png", generators.eratosthenes(), 4)
|
||||
|
||||
self.assertEqual(message, clear_message)
|
||||
|
||||
def test_hide_and_reveal_UTF32LE(self):
|
||||
messages_to_hide = 'I love 🍕 and 🍫!'
|
||||
secret = lsbset.hide("./tests/sample-files/Lenna.png",
|
||||
messages_to_hide,
|
||||
generators.eratosthenes(),
|
||||
encoding='UTF-32LE')
|
||||
messages_to_hide = "I love 🍕 and 🍫!"
|
||||
secret = lsbset.hide(
|
||||
"./tests/sample-files/Lenna.png",
|
||||
messages_to_hide,
|
||||
generators.eratosthenes(),
|
||||
encoding="UTF-32LE",
|
||||
)
|
||||
secret.save("./image.png")
|
||||
|
||||
clear_message = lsbset.reveal("./image.png", generators.eratosthenes(),
|
||||
encoding='UTF-32LE')
|
||||
clear_message = lsbset.reveal(
|
||||
"./image.png", generators.eratosthenes(), encoding="UTF-32LE"
|
||||
)
|
||||
self.assertEqual(messages_to_hide, clear_message)
|
||||
|
||||
def test_with_transparent_png(self):
|
||||
messages_to_hide = ["a", "foo", "Hello World!", ":Python:"]
|
||||
for message in messages_to_hide:
|
||||
secret = lsbset.hide("./tests/sample-files/transparent.png",
|
||||
message, generators.eratosthenes())
|
||||
secret = lsbset.hide(
|
||||
"./tests/sample-files/transparent.png",
|
||||
message,
|
||||
generators.eratosthenes(),
|
||||
)
|
||||
secret.save("./image.png")
|
||||
|
||||
clear_message = lsbset.reveal("./image.png",
|
||||
generators.eratosthenes())
|
||||
clear_message = lsbset.reveal("./image.png", generators.eratosthenes())
|
||||
|
||||
self.assertEqual(message, clear_message)
|
||||
|
||||
@patch('builtins.input', return_value='y')
|
||||
@patch("builtins.input", return_value="y")
|
||||
def test_manual_convert_rgb(self, input):
|
||||
message_to_hide = "Hello World!"
|
||||
secret = lsbset.hide("./tests/sample-files/Lenna-grayscale.png",
|
||||
message_to_hide, generators.eratosthenes())
|
||||
secret = lsbset.hide(
|
||||
"./tests/sample-files/Lenna-grayscale.png",
|
||||
message_to_hide,
|
||||
generators.eratosthenes(),
|
||||
)
|
||||
|
||||
@patch('builtins.input', return_value='n')
|
||||
@patch("builtins.input", return_value="n")
|
||||
def test_refuse_convert_rgb(self, input):
|
||||
message_to_hide = "Hello World!"
|
||||
with self.assertRaises(Exception):
|
||||
secret = lsbset.hide("./tests/sample-files/Lenna-grayscale.png",
|
||||
message_to_hide, generators.eratosthenes())
|
||||
secret = lsbset.hide(
|
||||
"./tests/sample-files/Lenna-grayscale.png",
|
||||
message_to_hide,
|
||||
generators.eratosthenes(),
|
||||
)
|
||||
|
||||
def test_with_location_of_image_as_argument(self):
|
||||
messages_to_hide = ["Hello World!"]
|
||||
|
||||
for message in messages_to_hide:
|
||||
outputBytes = io.BytesIO()
|
||||
bytes_image = lsbset.hide("./tests/sample-files/20160505T130442.jpg", message,
|
||||
generators.identity())
|
||||
bytes_image = lsbset.hide(
|
||||
"./tests/sample-files/20160505T130442.jpg",
|
||||
message,
|
||||
generators.identity(),
|
||||
)
|
||||
bytes_image.save(outputBytes, "PNG")
|
||||
outputBytes.seek(0)
|
||||
|
||||
|
|
@ -132,22 +147,27 @@ class TestLSBSet(unittest.TestCase):
|
|||
|
||||
def test_auto_convert_rgb(self):
|
||||
message_to_hide = "Hello World!"
|
||||
secret = lsbset.hide("./tests/sample-files/Lenna-grayscale.png",
|
||||
message_to_hide, generators.eratosthenes(),
|
||||
auto_convert_rgb=True)
|
||||
secret = lsbset.hide(
|
||||
"./tests/sample-files/Lenna-grayscale.png",
|
||||
message_to_hide,
|
||||
generators.eratosthenes(),
|
||||
auto_convert_rgb=True,
|
||||
)
|
||||
|
||||
def test_with_too_long_message(self):
|
||||
with open("./tests/sample-files/lorem_ipsum.txt") as f:
|
||||
message = f.read()
|
||||
message += message*2
|
||||
message += message * 2
|
||||
with self.assertRaises(Exception):
|
||||
lsbset.hide("./tests/sample-files/Lenna.png", message,
|
||||
generators.identity())
|
||||
lsbset.hide(
|
||||
"./tests/sample-files/Lenna.png", message, generators.identity()
|
||||
)
|
||||
|
||||
def test_hide_and_reveal_with_bad_generator(self):
|
||||
message_to_hide = "Hello World!"
|
||||
secret = lsbset.hide("./tests/sample-files/Lenna.png", message_to_hide,
|
||||
generators.eratosthenes())
|
||||
secret = lsbset.hide(
|
||||
"./tests/sample-files/Lenna.png", message_to_hide, generators.eratosthenes()
|
||||
)
|
||||
secret.save("./image.png")
|
||||
|
||||
with self.assertRaises(IndexError):
|
||||
|
|
@ -156,8 +176,11 @@ class TestLSBSet(unittest.TestCase):
|
|||
def test_with_unknown_generator(self):
|
||||
message_to_hide = "Hello World!"
|
||||
with self.assertRaises(AttributeError):
|
||||
secret = lsbset.hide("./tests/sample-files/Lenna.png",
|
||||
message_to_hide, generators.eratosthene())
|
||||
secret = lsbset.hide(
|
||||
"./tests/sample-files/Lenna.png",
|
||||
message_to_hide,
|
||||
generators.eratosthene(),
|
||||
)
|
||||
|
||||
def tearDown(self):
|
||||
try:
|
||||
|
|
@ -166,5 +189,5 @@ class TestLSBSet(unittest.TestCase):
|
|||
pass
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
if __name__ == "__main__":
|
||||
unittest.main()
|
||||
|
|
|
|||
|
|
@ -29,8 +29,8 @@ import unittest
|
|||
|
||||
from stegano import red
|
||||
|
||||
class TestRed(unittest.TestCase):
|
||||
|
||||
class TestRed(unittest.TestCase):
|
||||
def test_hide_empty_message(self):
|
||||
"""
|
||||
Test hiding the empty string.
|
||||
|
|
@ -62,5 +62,5 @@ class TestRed(unittest.TestCase):
|
|||
pass
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
if __name__ == "__main__":
|
||||
unittest.main()
|
||||
|
|
|
|||
|
|
@ -37,11 +37,10 @@ from PIL import Image, ImageChops
|
|||
|
||||
|
||||
class TestSteganalysis(unittest.TestCase):
|
||||
|
||||
def test_parity(self):
|
||||
"""Test stegano.steganalysis.parity
|
||||
"""
|
||||
text_file_to_hide = './tests/sample-files/lorem_ipsum.txt'
|
||||
text_file_to_hide = "./tests/sample-files/lorem_ipsum.txt"
|
||||
with open(text_file_to_hide) as f:
|
||||
message = f.read()
|
||||
secret = lsb.hide("./tests/sample-files/Lenna.png", message)
|
||||
|
|
@ -53,7 +52,7 @@ class TestSteganalysis(unittest.TestCase):
|
|||
def test_parity_rgba(self):
|
||||
""" Test that stegano.steganalysis.parity works with RGBA images
|
||||
"""
|
||||
img = Image.open('./tests/sample-files/transparent.png')
|
||||
img = Image.open("./tests/sample-files/transparent.png")
|
||||
analysis = parity.steganalyse(img)
|
||||
target = Image.open("./tests/expected-results/parity_rgba.png")
|
||||
diff = ImageChops.difference(target, analysis).getbbox()
|
||||
|
|
@ -63,12 +62,12 @@ class TestSteganalysis(unittest.TestCase):
|
|||
""" Test stegano.steganalysis.statistics
|
||||
"""
|
||||
image = Image.open("./tests/sample-files/Lenna.png")
|
||||
stats = str(statistics.steganalyse(image)) + '\n'
|
||||
stats = str(statistics.steganalyse(image)) + "\n"
|
||||
file = open("./tests/expected-results/statistics")
|
||||
target = file.read()
|
||||
file.close()
|
||||
self.assertEqual(stats, target)
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
if __name__ == "__main__":
|
||||
unittest.main()
|
||||
|
|
|
|||
|
|
@ -31,48 +31,61 @@ import io
|
|||
|
||||
from stegano import tools
|
||||
|
||||
class TestTools(unittest.TestCase):
|
||||
|
||||
class TestTools(unittest.TestCase):
|
||||
def test_a2bits(self):
|
||||
bits = tools.a2bits("Hello World!")
|
||||
self.assertEqual(bits, '010010000110010101101100011011000110111100100000010101110110111101110010011011000110010000100001')
|
||||
self.assertEqual(
|
||||
bits,
|
||||
"010010000110010101101100011011000110111100100000010101110110111101110010011011000110010000100001",
|
||||
)
|
||||
|
||||
def test_a2bits_list_UTF8(self):
|
||||
list_of_bits = tools.a2bits_list("Hello World!")
|
||||
self.assertEqual(list_of_bits, ['01001000',
|
||||
'01100101',
|
||||
'01101100',
|
||||
'01101100',
|
||||
'01101111',
|
||||
'00100000',
|
||||
'01010111',
|
||||
'01101111',
|
||||
'01110010',
|
||||
'01101100',
|
||||
'01100100',
|
||||
'00100001'])
|
||||
self.assertEqual(
|
||||
list_of_bits,
|
||||
[
|
||||
"01001000",
|
||||
"01100101",
|
||||
"01101100",
|
||||
"01101100",
|
||||
"01101111",
|
||||
"00100000",
|
||||
"01010111",
|
||||
"01101111",
|
||||
"01110010",
|
||||
"01101100",
|
||||
"01100100",
|
||||
"00100001",
|
||||
],
|
||||
)
|
||||
|
||||
def test_a2bits_list_UTF32LE(self):
|
||||
list_of_bits = tools.a2bits_list("Hello World!", 'UTF-32LE')
|
||||
self.assertEqual(list_of_bits, ['00000000000000000000000001001000',
|
||||
'00000000000000000000000001100101',
|
||||
'00000000000000000000000001101100',
|
||||
'00000000000000000000000001101100',
|
||||
'00000000000000000000000001101111',
|
||||
'00000000000000000000000000100000',
|
||||
'00000000000000000000000001010111',
|
||||
'00000000000000000000000001101111',
|
||||
'00000000000000000000000001110010',
|
||||
'00000000000000000000000001101100',
|
||||
'00000000000000000000000001100100',
|
||||
'00000000000000000000000000100001'])
|
||||
list_of_bits = tools.a2bits_list("Hello World!", "UTF-32LE")
|
||||
self.assertEqual(
|
||||
list_of_bits,
|
||||
[
|
||||
"00000000000000000000000001001000",
|
||||
"00000000000000000000000001100101",
|
||||
"00000000000000000000000001101100",
|
||||
"00000000000000000000000001101100",
|
||||
"00000000000000000000000001101111",
|
||||
"00000000000000000000000000100000",
|
||||
"00000000000000000000000001010111",
|
||||
"00000000000000000000000001101111",
|
||||
"00000000000000000000000001110010",
|
||||
"00000000000000000000000001101100",
|
||||
"00000000000000000000000001100100",
|
||||
"00000000000000000000000000100001",
|
||||
],
|
||||
)
|
||||
|
||||
def test_n_at_a_time(self):
|
||||
result = tools.n_at_a_time([1, 2, 3, 4, 5], 2, 'X')
|
||||
self.assertEqual(list(result), [(1, 2), (3, 4), (5, 'X')])
|
||||
result = tools.n_at_a_time([1, 2, 3, 4, 5], 2, "X")
|
||||
self.assertEqual(list(result), [(1, 2), (3, 4), (5, "X")])
|
||||
|
||||
def test_binary2base64(self):
|
||||
with open('./tests/expected-results/binary2base64', 'r') as f:
|
||||
expected_value = f.read()
|
||||
value = tools.binary2base64('tests/sample-files/free-software-song.ogg')
|
||||
with open("./tests/expected-results/binary2base64", "r") as f:
|
||||
expected_value = f.read()
|
||||
value = tools.binary2base64("tests/sample-files/free-software-song.ogg")
|
||||
self.assertEqual(expected_value, value)
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue