def test_add_user_pars_modelname_not_a_model1():
s = Session()
with pytest.raises(ArgumentTypeErr) as exc:
s.add_user_pars('not a model', ['x'])
assert str(exc.value) == "'not a model' must be a user model"
def test_add_user_pars_modelname_not_a_string():
s = Session()
with pytest.raises(ArgumentTypeErr) as exc:
s.add_user_pars(23, ['x'])
assert str(exc.value) == "'model name' must be a string"
def test_add_user_pars_modelname_not_a_model2():
"""Use an actual model, but not a user model"""
s = Session()
s._add_model_types(sherpa.models.basic)
s.create_model_component('scale1d', 'foo')
with pytest.raises(ArgumentTypeErr) as exc:
s.add_user_pars('foo', ['x'])
assert str(exc.value) == "'foo' must be a user model"
