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Test when the data image is coming via byte stream.

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Cédric Bonhomme 2017-02-16 09:25:16 +01:00
parent cf89273c57
commit 36476283a4
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1 changed files with 15 additions and 0 deletions
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tests/test_lsb.py
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@ -24,6 +24,7 @@ __version__ = "$Revision: 0.1 $"
__date__ = "$Date: 2016/04/12 $" __date__ = "$Date: 2016/04/12 $"
__license__ = "GPLv3" __license__ = "GPLv3"
import io
import os import os
import unittest import unittest
@ -77,6 +78,20 @@ class TestLSB(unittest.TestCase):
with self.assertRaises(Exception): with self.assertRaises(Exception):
lsb.hide("./tests/sample-files/Lenna.png", message) lsb.hide("./tests/sample-files/Lenna.png", message)
def test_with_bytes(self):
messages_to_hide = ["a", "foo", "Hello World!", ":Python:"]
for message in messages_to_hide:
message = "Hello World"
outputBytes = io.BytesIO()
bytes_image = lsb.hide(open("./tests/sample-files/20160505T130442.jpg", 'rb'), message)
bytes_image.save(outputBytes, "PNG")
outputBytes.seek(0)
clear_message = lsb.reveal(outputBytes)
self.assertEqual(message, clear_message)
def tearDown(self): def tearDown(self):
try: try:
os.unlink("./image.png") os.unlink("./image.png")