def test_destroy_tree():
sso = GSO("foo")
sso2 = GSO("bar")
sso.set_model("smiley.egg")
sso2.set_model("smiley.egg")
sso2.reparentTo(sso)
nodes = sso.descendants()
for n in nodes:
n.init_resources()
sso.destroy_tree()
assert not any(isinstance(n.node(), resource_types) for n in nodes)
