forked from mkporwit/pysteg
/
test_lsbstego.py
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/
test_lsbstego.py
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import unittest
import lsbstego
import numpy
class TestLsbStego(unittest.TestCase):
def setUp(self):
self.msg = "It's a trap!"
def testEncodeAndDecodeTile(self):
data = numpy.zeros(1000, dtype=numpy.uint32)
encData = lsbstego.encode(data, self.msg, "tile")
decMsgList = lsbstego.decode(encData)
decMsg = lsbstego.listToText(decMsgList)
self.assertEqual(decMsg, "[{0}]".format(self.msg))
def testEncodeAndDecodeOnRandomTile(self):
data = numpy.random.randint(0, high=256, size=1000).astype(numpy.uint32)
encData = lsbstego.encode(data, self.msg, "tile")
decMsgList = lsbstego.decode(encData)
decMsg = lsbstego.listToText(decMsgList)
self.assertEqual(decMsg, "[{0}]".format(self.msg))
def testEncodeAndDecodeNotile(self):
data = numpy.zeros(1000, dtype=numpy.uint32)
encData = lsbstego.encode(data, self.msg, "notile")
decMsgList = lsbstego.decode(encData)
decMsg = lsbstego.listToText(decMsgList)
self.assertEqual(decMsg, "[{0}]".format(self.msg))
def testEncodeAndDecodeOnRandomNotile(self):
data = numpy.random.randint(0, high=256, size=1000).astype(numpy.uint32)
encData = lsbstego.encode(data, self.msg, "notile")
decMsgList = lsbstego.decode(encData)
decMsg = lsbstego.listToText(decMsgList)
self.assertEqual(decMsg, "[{0}]".format(self.msg))
suite = unittest.TestLoader().loadTestsFromTestCase(TestLsbStego)
unittest.TextTestRunner(verbosity=2).run(suite)