def test_valid_moves_9():
input_array = [
[3, 4, 6, 0, 9, 0, 0, 5, 2],
[0, 1, 5, 0, 0, 0, 3, 0, 4],
[7, 8, 2, 3, 1, 5, 0, 0, 9],
[0, 0, 8, 7, 4, 6, 0, 3, 0],
[0, 7, 0, 9, 0, 1, 0, 2, 0],
[0, 9, 0, 2, 5, 3, 7, 0, 0],
[4, 0, 0, 5, 3, 8, 2, 0, 0],
[2, 0, 3, 0, 0, 0, 0, 6, 0],
[1, 5, 0, 0, 6, 0, 0, 0, 0]
]
b = Board(input_array)
result = b.valid_moves(1, 0)
assert_equals(result, [9])
def test_valid_moves_none_left():
input_array = [
# Second number on first row has no moves left
[3, 0, 7, 6, 9, 4, 1, 5, 2],
[5, 1, 9, 0, 7, 0, 3, 8, 4],
[8, 6, 2, 3, 1, 5, 0, 0, 9],
[0, 0, 8, 7, 4, 6, 0, 3, 0],
[0, 7, 0, 9, 0, 1, 0, 2, 0],
[0, 9, 0, 2, 5, 3, 7, 0, 0],
[4, 0, 0, 5, 3, 8, 2, 0, 0],
[2, 0, 3, 0, 0, 0, 0, 6, 0],
[1, 5, 0, 0, 6, 0, 0, 0, 0]
]
b = Board(input_array)
assert_equals(b.valid_moves(0, 1), [])
def test_valid_moves_valid():
input_array = [
[0, 0, 0, 0, 9, 0, 0, 5, 2],
[0, 1, 0, 0, 0, 0, 3, 0, 4],
[0, 0, 2, 3, 1, 5, 0, 0, 9],
[0, 0, 8, 7, 4, 6, 0, 3, 0],
[0, 7, 0, 9, 0, 1, 0, 2, 0],
[0, 9, 0, 2, 5, 3, 7, 0, 0],
[4, 0, 0, 5, 3, 8, 2, 0, 0],
[2, 0, 3, 0, 0, 0, 0, 6, 0],
[1, 5, 0, 0, 6, 0, 0, 0, 0]
]
b = Board(input_array)
result = b.valid_moves(0, 0)
assert_equals(type(result), list)
assert_equals(set(result), set((3, 6, 7, 8)))