def test_medium_noise_img():
im = generate_image(2, 0.2)
edge_test = ed.detect_edge(im, sigma=3)
profile = pp.pick_profile(edge_test)
ring_number = cr.count_rings(profile)
assert (ring_number == 1)
def test_high_noise_img():
im = generate_image(4, 0.5)
edge_test = ed.detect_edge(im, sigma=6)
profile = pp.pick_profile(edge_test)
ring_number = cr.count_rings(profile)
assert (ring_number == 1)
def test_clean_img():
im = generate_image()
edge_test = ed.detect_edge(im, sigma=2)
profile = pp.pick_profile(edge_test)
ring_number = cr.count_rings(profile)
assert (ring_number == 1)