def test_find_subsystem(self): prob = Problem(root=Group()) root = prob.root root.add('x_param', IndepVarComp('x', 7.0)) exec_comp = ExecComp('y=x*2.0') root.add('mycomp', exec_comp) root.connect('x_param.x', 'mycomp.x') self.assertTrue(prob.find_subsystem("mycomp") is exec_comp)