from pdme.model import Model
from pdme.measurement import DotMeasurement
import pytest


def test_model_interface_not_implemented_point_length():
	model = Model()
	with pytest.raises(NotImplementedError):
		model.point_length()


def test_model_interface_not_implemented_point_n():
	model = Model()
	with pytest.raises(NotImplementedError):
		model.n()


def test_model_interface_not_implemented_cost():
	model = Model()

	model.point_length = lambda: 2

	with pytest.raises(NotImplementedError):
		cost = model.costs([DotMeasurement(0, [1, 2, 3], 4)])
		cost([1, 2])


def test_model_interface_not_implemented_one_dipoles():
	model = Model()

	model.point_length = lambda: 2

	with pytest.raises(NotImplementedError):
		model.get_dipoles(5)


def test_model_interface_not_implemented_n_dipoles():
	model = Model()

	model.point_length = lambda: 2

	with pytest.raises(NotImplementedError):
		model.get_n_single_dipoles(5, 10)