Function test_problem_data_replace_no_changes

tests/test_ProblemData.py:282–322

Tests that when using ``ProblemData.replace()`` without any arguments returns a new instance with different objects, but with the same values.

()

def test_problem_data_replace_no_changes():
    """
    Tests that when using ``ProblemData.replace()`` without any arguments
    returns a new instance with different objects, but with the same values.
    """
    clients = [Client(x=0, y=0)]
    depots = [Depot(x=0, y=0)]
    vehicle_types = [VehicleType()]
    mat = np.zeros((2, 2), dtype=int)
    original = ProblemData(clients, depots, vehicle_types, [mat], [mat])

    new = original.replace()

    assert_(new is not original)

    for idx in range(new.num_clients):
        assert_(new.location(idx) is not original.location(idx))
        assert_equal(new.location(idx).x, original.location(idx).x)
        assert_equal(new.location(idx).y, original.location(idx).y)

    for idx in range(new.num_vehicle_types):
        new_veh_type = new.vehicle_type(idx)
        orig_veh_type = original.vehicle_type(idx)

        assert_(new_veh_type is not orig_veh_type)
        assert_equal(new_veh_type.capacity, orig_veh_type.capacity)
        assert_equal(new_veh_type.num_available, orig_veh_type.num_available)

    new_dist = new.distance_matrix(profile=0)
    orig_dist = original.distance_matrix(profile=0)
    assert_(new_dist is not orig_dist)
    assert_equal(new_dist, orig_dist)

    new_dur = new.duration_matrix(profile=0)
    orig_dur = original.duration_matrix(profile=0)
    assert_(new_dur is not orig_dur)
    assert_equal(new_dur, orig_dur)

    assert_equal(new.num_clients, original.num_clients)
    assert_equal(new.num_vehicle_types, original.num_vehicle_types)
    assert_equal(new.num_load_dimensions, original.num_load_dimensions)


def test_problem_data_replace_with_changes():