def test_back_distance_bounds_and_type(self):
self.begin_for_testing()
with self.assertRaisesRegexp(
AssertionError,
"Oops, back\(0\) won't work. Distance must be a whole number between 1 and 1000."
):
back(0)
with self.assertRaisesRegexp(
AssertionError,
"Oops, back\(-1\) won't work. Distance must be a whole number between 1 and 1000."
):
back(-1)
with self.assertRaisesRegexp(
AssertionError,
"Oops, back\(1001\) won't work. Distance must be a whole number between 1 and 1000."
):
back(1001)
with self.assertRaisesRegexp(
AssertionError,
"Oops, back\(1.1\) won't work. Distance must be a whole number between 1 and 1000."
):
back(1.1)
with self.assertRaisesRegexp(
AssertionError,
"Oops, back\(abc\) won't work. Distance must be a whole number between 1 and 1000."
):
back('abc')
def test_back(self):
self.begin_for_testing()
back(2)
self.assertEqual(
{
(100, 200, 300): "gold_block",
(100, 200, 299): "gold_block",
(100, 200, 298): ("piston", {
"facing": "north"
})
}, self.game.tiles)
def test_forward_and_back_return_block_info_of_where_turtle_ended_up(self):
# the fake is hard-coded to always return a piston.
self.begin_for_testing()
self.assertEqual(back(1), block.PISTON)
self.assertEqual(forward(2), block.PISTON)