def test_board_neigbours(self):
with mock.patch('random.choice',
side_effect=[O2, H2, O, Na, Cl, H2, O, Na, H2]):
board = Board([], 0)
board.generate(3, (H2, O, Na))
assert board.neighbours(I(1, 1), I(0, 1)) is True
assert board.neighbours(I(1, 0), I(1, 1)) is True
assert board.neighbours(I(1, 1), I(2, 1)) is True
assert board.neighbours(I(1, 2), I(1, 1)) is True
assert board.neighbours(I(1, 0), I(0, 1)) is False
assert board.neighbours(I(0, 1), I(0, 1)) is False
