def test_pen_down_pen_up(self):
self.begin_for_testing()
forward(2)
pen_up()
forward(2)
pen_down(block.GOLD_BLOCK)
forward(2)
self.assertEqual(
{
(100, 200, 300): "gold_block",
(100, 200, 301): "gold_block",
(100, 200, 302): "air",
(100, 200, 303): "air",
(100, 200, 304): "gold_block",
(100, 200, 305): "gold_block",
(100, 200, 306): ("piston", {
"facing": "south"
})
}, self.game.tiles)
def test_show_that_pen_up_is_currently_destructive(self):
# future: enhance the library so that this isn't destructive
self.begin_for_testing()
forward(3)
self.begin_for_testing()
pen_up()
forward(1)
self.assertEqual(
{
(100, 200, 300): "air",
(100, 200, 301): ("piston", {
"facing": "south"
}), # the second turtle, overwriting the first path
(100, 200, 302): "gold_block",
(100, 200, 303): ("piston", {
"facing": "south"
}) # the original turtle
},
self.game.tiles)