def test_pixel_iter_0_3_should_be_blue():
pi = libstegan.PixelIterator(generic_conf_dict, generic_img)
for x in range(4):
pixel = next(pi)
assert pixel[0] == 'blue'
def test_pixel_iter_0_1_should_be_whatever():
pi = libstegan.PixelIterator(generic_conf_dict, generic_img)
next(pi)
zeroth_first = next(pi)
assert zeroth_first[0] == 'whatever'
def test_pixeliter_0_0_should_be_0_0():
pi = libstegan.PixelIterator(generic_conf_dict, generic_img)
zeroth_zeroth = next(pi)
assert zeroth_zeroth[1] == 0 and zeroth_zeroth[1] == 0
def test_pixel_iter_0_0_should_be_red():
pi = libstegan.PixelIterator(generic_conf_dict, generic_img)
zeroth_zeroth = next(pi)
assert zeroth_zeroth[0] == 'red'
def test_pixeliterator_length():
pi = libstegan.PixelIterator(generic_conf_dict, generic_img)
assert len(list(pi)) == 16