def test_register():
"""Test register"""
pkgmanager = PackageManager()
register_packages(pkgmanager)
assert "test" in pkgmanager.keys()
pkg = pkgmanager["Test"]
assert "sum" in pkg.keys()
assert "userclass" in pkg.keys()
assert "userfunc" in pkg.keys()
fact = pkg["sum"]
node = fact.instantiate()
assert (node.get_nb_input() == 1) and (node.get_nb_output() == 1)
fact = pkg["userfunc"]
node = fact.instantiate()
assert (node.get_nb_input() == 2) and (node.get_nb_output() == 1)
fact = pkg["userclass"]
node = fact.instantiate()
assert (node.get_nb_input() == 2) and (node.get_nb_output() == 1)
