def test_embedColorImageVertical(self):
"""
Test the embedding of a color image in a medium, using a vertical raster scan.
"""
sourcePath = 'files/sunflower' + self.ext
expectedPath = 'files/lake_sunflower_v' + self.ext
mediumPath = 'files/lake' + self.ext
message = Message(filePath=sourcePath, messageType='ColorImage')
medium = ColorSteganography(mediumPath, direction='vertical')
medium.embedMessageInMedium(message, self.targetImageFilePath)
actualImage, expectedImage = loadTwoImageFiles(self.targetImageFilePath, expectedPath)
self.assertEqual(actualImage, expectedImage)
def test_embedGrayImageHorizontal(self):
"""
Test the embedding of a gray-scale image in a medium, using a horizontal raster scan.
"""
sourcePath = 'files/lena' + self.ext
expectedPath = 'files/tiger_lena_h' + self.ext
mediumPath = 'files/tiger' + self.ext
message = Message(filePath=sourcePath, messageType='GrayImage')
medium = ColorSteganography(mediumPath)
medium.embedMessageInMedium(message, self.targetImageFilePath)
actualImage, expectedImage = loadTwoImageFiles(self.targetImageFilePath, expectedPath)
self.assertEqual(actualImage, expectedImage)
def test_embedTextHorizontal(self):
"""
Test the embedding of a text file in a medium, using a horizontal raster scan.
"""
sourcePath = 'files/full.txt'
expectedPath = 'files/sunflower_full_h' + self.ext
mediumPath = 'files/sunflower' + self.ext
message = Message(filePath=sourcePath, messageType='Text')
medium = ColorSteganography(mediumPath)
medium.embedMessageInMedium(message, self.targetImageFilePath)
actualImage, expectedImage = loadTwoImageFiles(self.targetImageFilePath, expectedPath)
self.assertEqual(actualImage, expectedImage)
def test_embedColorImageVertical(self):
"""
Test the embedding of a color image in a medium, using a vertical raster scan.
"""
sourcePath = 'files/sunflower' + self.ext
expectedPath = 'files/lake_sunflower_v' + self.ext
mediumPath = 'files/lake' + self.ext
message = Message(filePath=sourcePath, messageType='ColorImage')
medium = ColorSteganography(mediumPath, direction='vertical')
medium.embedMessageInMedium(message, self.targetImageFilePath)
actualImage, expectedImage = loadTwoImageFiles(
self.targetImageFilePath, expectedPath)
self.assertEqual(actualImage, expectedImage)
def test_embedGrayImageHorizontal(self):
"""
Test the embedding of a gray-scale image in a medium, using a horizontal raster scan.
"""
sourcePath = 'files/lena' + self.ext
expectedPath = 'files/tiger_lena_h' + self.ext
mediumPath = 'files/tiger' + self.ext
message = Message(filePath=sourcePath, messageType='GrayImage')
medium = ColorSteganography(mediumPath)
medium.embedMessageInMedium(message, self.targetImageFilePath)
actualImage, expectedImage = loadTwoImageFiles(
self.targetImageFilePath, expectedPath)
self.assertEqual(actualImage, expectedImage)
def test_embedTextHorizontal(self):
"""
Test the embedding of a text file in a medium, using a horizontal raster scan.
"""
sourcePath = 'files/full.txt'
expectedPath = 'files/sunflower_full_h' + self.ext
mediumPath = 'files/sunflower' + self.ext
message = Message(filePath=sourcePath, messageType='Text')
medium = ColorSteganography(mediumPath)
medium.embedMessageInMedium(message, self.targetImageFilePath)
actualImage, expectedImage = loadTwoImageFiles(
self.targetImageFilePath, expectedPath)
self.assertEqual(actualImage, expectedImage)
