def test_can_move(self):
sp = puzzle.SlidePuzzle()
self.assertEqual(sp.can_move(1), False)
self.assertEqual(sp.can_move(2), False)
self.assertEqual(sp.can_move(3), False)
self.assertEqual(sp.can_move(4), False)
self.assertEqual(sp.can_move(5), False)
self.assertEqual(sp.can_move(6), True)
self.assertEqual(sp.can_move(7), False)
self.assertEqual(sp.can_move(8), True)
def test_shuffle_up_down_left(self):
sp = puzzle.SlidePuzzle(MockRandom([
Direction.Up,
Direction.Down,
Direction.Left,
]))
sp.shuffle(2)
new_board =\
"| 1 | 2 | 3 |\n" \
"| 4 | | 5 |\n" \
"| 7 | 8 | 6 |"
self.assertEqual(new_board, str(sp))
def test_shuffle_left(self):
sp = puzzle.SlidePuzzle(MockRandom([Direction.Left]))
sp.shuffle(1)
new_board = "| 1 | 2 | 3 |\n| 4 | 5 | 6 |\n| 7 | | 8 |"
self.assertEqual(str(sp), new_board)
def test_shuffle_zero_iterations(self):
sp = puzzle.SlidePuzzle()
board = str(sp)
sp.shuffle(0)
self.assertEqual(str(sp), board)
def test_move_space_left(self):
sp = puzzle.SlidePuzzle()
sp.move_space(Direction.Left)
new_board = "| 1 | 2 | 3 |\n| 4 | 5 | 6 |\n| 7 | | 8 |"
self.assertEqual(str(sp), new_board)
def test_move_down_move_up(self):
sp = puzzle.SlidePuzzle()
sp.move(6)
sp.move(6)
initial_board = "| 1 | 2 | 3 |\n| 4 | 5 | 6 |\n| 7 | 8 | |"
self.assertEqual(str(sp), initial_board)
def test_move_right_move_left(self):
sp = puzzle.SlidePuzzle()
sp.move(8)
sp.move(8)
initial_board = "| 1 | 2 | 3 |\n| 4 | 5 | 6 |\n| 7 | 8 | |"
self.assertEqual(str(sp), initial_board)
def test_move_down(self):
sp = puzzle.SlidePuzzle()
sp.move(6)
new_board = "| 1 | 2 | 3 |\n| 4 | 5 | |\n| 7 | 8 | 6 |"
self.assertEqual(str(sp), new_board)
def test_move_right(self):
sp = puzzle.SlidePuzzle()
sp.move(8)
new_board = "| 1 | 2 | 3 |\n| 4 | 5 | 6 |\n| 7 | | 8 |"
self.assertEqual(str(sp), new_board)
def test_locked_tile_can_not_move(self):
sp = puzzle.SlidePuzzle()
sp.move(1)
initial_board = "| 1 | 2 | 3 |\n| 4 | 5 | 6 |\n| 7 | 8 | |"
self.assertEqual(str(sp), initial_board)
def test_initial_board(self):
sp = puzzle.SlidePuzzle()
initial_board = "| 1 | 2 | 3 |\n| 4 | 5 | 6 |\n| 7 | 8 | |"
self.assertEqual(str(sp), initial_board)
def test_12_bars(self):
sp = puzzle.SlidePuzzle()
self.assertEqual(str(sp).count("|"), 12)