def test_find():
for _ in range(16):
f = np.random.random((128,128))
c0,c1 = 43,23
for h,w in [(12,56),
(11,7),
(12,7)]:
matches = mh.find(f, f[c0:c0+h, c1:c1+w])
coords = np.array(np.where(matches))
assert np.all(coords.T == np.array((c0,c1)), 1).any()
def test_negative():
f = 255*np.random.random((228,228))
f = f.astype(np.uint8)
h,w = 12,6
t = f[:h,:w]
matches = mh.find(f, t)
coords = np.array(np.where(matches))
for y,x in zip(*coords):
if y < 0 or x < 0:
continue
assert np.all(f[y:y+h, x:x+w] == t)
