def test_logical_model_variables_append_without_initialize(shape):
model = LogicalModel(mtype="ising")
# The following operation will be successful with a UserWarning.
with pytest.warns(UserWarning):
model.append("x", shape=shape)
assert "x" in model.get_variables()
assert model.get_variables_by_name("x").shape == shape
def test_logical_model_variables_append(initial_shape, additional_shape, expected_shape):
model = LogicalModel(mtype="ising")
model.variables("x", shape=initial_shape)
assert "x" in model.get_variables()
assert model.get_variables_by_name("x").shape == initial_shape
model.append("x", shape=additional_shape)
assert model.get_variables_by_name("x").shape == expected_shape
