import pytest

from clusterview.exceptions import ExceededWindowBoundsError
from clusterview.points import Point, PointSet

def test_move_point():
    # The minimum starting position is 1/2 point away
    # from the edges
    p = Point(4, 4, 8, 100, 100)

    p.move(1, 1)

    assert p.x == 5 and p.y == 5

def test_attributes_must_be_array_of_attributes():
    with pytest.raises(ValueError):
        l = PointSet(8, 100, 100)
        l.add_point(4, 4, attrs=[1,2,3,4,5])

def test_move_point_outside_screen_x_positive():
    p = Point(4, 4, 8, 100, 100)

    with pytest.raises(ExceededWindowBoundsError) as exc_info:
        p.move(96, 0)

def test_move_point_outside_screen_y_positive():
    p = Point(4, 4, 8, 100, 100)

    with pytest.raises(ExceededWindowBoundsError):
        p.move(0, 95)

def test_move_point_outside_screen_x_negative():
    p = Point(4, 4, 8, 100, 100)

    with pytest.raises(ExceededWindowBoundsError):
        p.move(-5, 0)

def test_move_point_outside_screen_y_negative():
    p = Point(4, 4, 8, 100, 100)

    with pytest.raises(ExceededWindowBoundsError):
        p.move(0, -5)