def test_cannot_position_tile_beyond_grid(position, x, y):
from example import position_tile, Position, make_tile, make_grid
grid = make_grid(5, 5)
position = Position(*position)
tile = make_tile('ship', position)
grid = position_tile(grid, tile, position)
assert grid[y][x] == tile
def five_grid():
from example import make_grid
return make_grid(5, 5)
def test_create_grid(x, y, expected):
from example import make_grid
grid = make_grid(x, y)
assert expected == (len(grid[0]), len(grid))