def chain_compose_before_tps_test():
a = PointCloud(np.random.random([10, 2]))
b = PointCloud(np.random.random([10, 2]))
tps = ThinPlateSplines(a, b)
t = Translation([3, 4])
s = Scale([4, 2])
chain = TransformChain([t, s])
chain_mod = chain.compose_before(tps)
points = PointCloud(np.random.random([10, 2]))
manual_res = tps.apply(s.apply(t.apply(points)))
chain_res = chain_mod.apply(points)
assert(np.all(manual_res.points == chain_res.points))
def test_transformchain_compose_before_composes_with():
tr = TransformChain([])
new_tr = tr.compose_before(Mock(spec=Transform))
assert new_tr is not tr
assert len(new_tr.transforms) is 1
def transformchain_compose_before_composes_with_test():
tr = TransformChain([])
new_tr = tr.compose_before(Mock(spec=Transform))
assert (new_tr is not tr)
assert (len(new_tr.transforms) is 1)
