def test_get_next_move_boards_on_non_empty_game_not_over_square_board(self):
"""Test whether _get_next_move_boards function provides all next move boards for a non-empty game-not-over square board."""
# Create non-empty game-not-over tic-tac-toe game board
board = TicTacToeBoard()
board.matrix[0] = [2, 0, 0]
board.matrix[1] = [1, 2, 0]
board.matrix[2] = [1, 1, 2]
next_boards = board._get_next_move_boards(1)
# Initialize valid next boards
valid_next_boards = []
# Add valid next board 1 to list
valid_next_board = TicTacToeBoard()
valid_next_board.matrix = copy.deepcopy(board.matrix)
valid_next_board.matrix[0][1] = 1
valid_next_boards.append(valid_next_board)
# Add valid next board 2 to list
valid_next_board = TicTacToeBoard()
valid_next_board.matrix = copy.deepcopy(board.matrix)
valid_next_board.matrix[0][2] = 1
valid_next_boards.append(valid_next_board)
# Add valid next board 3 to list
valid_next_board = TicTacToeBoard()
valid_next_board.matrix = copy.deepcopy(board.matrix)
valid_next_board.matrix[1][2] = 1
valid_next_boards.append(valid_next_board)
# Make sure there are the correct number of next boards for player 1
next_board_matrices = [next_board.matrix for next_board in next_boards]
self.assertEqual(len(next_board_matrices), 3)
# Make sure that each valid next board for player 1 was found
for valid_next_board in valid_next_boards:
self.assertTrue(valid_next_board.matrix in next_board_matrices)
