def test_image_load():
img = _buildimg()
assert 'protein' not in img.channeldata
img.load()
assert img.loaded
assert 'dna' not in img.channeldata
img_direct = readimg(protimg)
assert numpy.all(img_direct == img.channeldata['protein'])
img.unload()
assert not img.loaded
assert 'protein' not in img.channeldata
assert 'dna' not in img.channeldata
def test_readimg():
img = readimg(protimg)
assert img.shape == (1024, 1344)