def test_remove_stone_invalid():
"""Check that the function raises an error when there is no stone to be
removed.
"""
board = Board()
with pytest.raises(AssertionError):
board.remove_stone(position=(3, 3))
def test_remove_stone_valid():
"""Check that the function removes a stone from the board (when there is
one present.
"""
board = Board()
board.place_stone(position=(3, 3), colour=1)
board.remove_stone(position=(3, 3))
assert board.is_empty_space(position=(3, 3))
def test_is_fenced_false():
"""Check that the function correctly classifies a non-fenced bloom.
"""
board = Board()
# Add a bloom
bloom = [(3, 2), (3, 3), (3, 4), (4, 3)]
for position in bloom:
board.place_stone(position, colour=1)
# Fence the bloom
for position in bloom:
neighbours = board.get_neighbours(position)
for neighbour in neighbours:
if board.is_empty_space(neighbour):
board.place_stone(neighbour, colour=2)
# Remove one of the stones fencing in the bloom
board.remove_stone(position=(4, 4))
assert not board.is_fenced(bloom)
