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fix: minimax test

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ramollia
2025-09-17 14:56:38 +02:00
parent 5be2be56ad
commit b070906386
1 changed files with 77 additions and 77 deletions
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154
src/test/java/MinMaxTicTacToeTest.java
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@@ -1,77 +1,77 @@
//
// import org.junit.jupiter.api.Test;
// import org.toop.game.tictactoe.*;
//
// import static org.junit.jupiter.api.Assertions.*;
//
// class MinMaxTicTacToeTest {
//
// // makegame makes a board situation so we can test the AI. that's it really, the rest is easy to follow id say
// private TicTacToe makeGame(String board, int currentPlayer) {
// TicTacToe game = new TicTacToe("AI", "Human");
// // Fill the board
// for (int i = 0; i < board.length(); i++) {
// char c = board.charAt(i);
// game.grid[i] = c;
// if (c != ' ') game.movesLeft--;
// }
// game.currentPlayer = currentPlayer;
// return game;
// }
//
// @Test
// void testFindBestMove_AIImmediateWin() {
// TicTacToe game = makeGame("XX OO ", 0);
// MinMaxTicTacToe ai = new MinMaxTicTacToe();
// int bestMove = ai.findBestMove(game);
// assertEquals(2, bestMove, "AI has to take winning move at 2");
// }
//
// @Test
// void testFindBestMove_BlockOpponentWin() {
// TicTacToe game = makeGame("OO X ", 0); // 0 = AI's turn
// MinMaxTicTacToe ai = new MinMaxTicTacToe();
// int bestMove = ai.findBestMove(game);
// assertEquals(2, bestMove, "AI should block opponent win at 2");
// }
//
// @Test
// void testFindBestMove_ChooseDrawIfNoWin() {
// TicTacToe game = makeGame("XOXOX O ", 0);
// MinMaxTicTacToe ai = new MinMaxTicTacToe();
// int bestMove = ai.findBestMove(game);
// assertTrue(bestMove == 6 || bestMove == 8, "AI should draw");
// }
//
// @Test
// void testMinimax_ScoreWin() {
// TicTacToe game = makeGame("XXX ", 0);
// MinMaxTicTacToe ai = new MinMaxTicTacToe();
// int score = ai.doMinimax(game, 5, false);
// assertTrue(score > 0, "AI win scored positively");
// }
//
// @Test
// void testMinimax_ScoreLoss() {
// TicTacToe game = makeGame("OOO ", 1);
// MinMaxTicTacToe ai = new MinMaxTicTacToe();
// int score = ai.doMinimax(game, 5, true);
// assertTrue(score < 0, "AI loss is negative");
// }
//
// @Test
// void testMinimax_ScoreDraw() {
// TicTacToe game = makeGame("XOXOXOOXO", 0);
// MinMaxTicTacToe ai = new MinMaxTicTacToe();
// int score = ai.doMinimax(game, 5, true);
// assertEquals(0, score, "Draw should be zero!");
// }
//
// @Test
// void testMiniMax_MultipleMoves() {
// TicTacToe game = makeGame(" X OX O ", 0);
// MinMaxTicTacToe ai = new MinMaxTicTacToe();
// int bestMove = ai.findBestMove(game);
// assertTrue(bestMove == 0 || bestMove == 2, "Can look at multiple moves!");
// }
// }
import org.junit.jupiter.api.Test;
import org.toop.game.tictactoe.*;
import static org.junit.jupiter.api.Assertions.*;
class MinMaxTicTacToeTest {
// makegame makes a board situation so we can test the AI. that's it really, the rest is easy to follow id say
private TicTacToe makeGame(String board, int currentPlayer) {
TicTacToe game = new TicTacToe("AI", "Human");
// Fill the board
for (int i = 0; i < board.length(); i++) {
char c = board.charAt(i);
game.grid[i] = c;
if (c != '-') game.movesLeft--;
}
game.currentPlayer = currentPlayer;
return game;
}
@Test
void testFindBestMove_AIImmediateWin() {
TicTacToe game = makeGame("XX-OO----", 0);
MinMaxTicTacToe ai = new MinMaxTicTacToe();
int bestMove = ai.findBestMove(game);
assertEquals(2, bestMove, "AI has to take winning move at 2");
}
@Test
void testFindBestMove_BlockOpponentWin() {
TicTacToe game = makeGame("OO-X----", 0); // 0 = AI's turn
MinMaxTicTacToe ai = new MinMaxTicTacToe();
int bestMove = ai.findBestMove(game);
assertEquals(2, bestMove, "AI should block opponent win at 2");
}
@Test
void testFindBestMove_ChooseDrawIfNoWin() {
TicTacToe game = makeGame("XOXOX-O--", 0);
MinMaxTicTacToe ai = new MinMaxTicTacToe();
int bestMove = ai.findBestMove(game);
assertTrue(bestMove == 6 || bestMove == 8, "AI should draw");
}
@Test
void testMinimax_ScoreWin() {
TicTacToe game = makeGame("XXX------", 0);
MinMaxTicTacToe ai = new MinMaxTicTacToe();
int score = ai.doMinimax(game, 5, false);
assertTrue(score > 0, "AI win scored positively");
}
@Test
void testMinimax_ScoreLoss() {
TicTacToe game = makeGame("OOO ", 1);
MinMaxTicTacToe ai = new MinMaxTicTacToe();
int score = ai.doMinimax(game, 5, true);
assertTrue(score < 0, "AI loss is negative");
}
@Test
void testMinimax_ScoreDraw() {
TicTacToe game = makeGame("XOXOXOOXO", 0);
MinMaxTicTacToe ai = new MinMaxTicTacToe();
int score = ai.doMinimax(game, 5, true);
assertEquals(0, score, "Draw should be zero!");
}
@Test
void testMiniMax_MultipleMoves() {
TicTacToe game = makeGame(" X-OX--O-", 0);
MinMaxTicTacToe ai = new MinMaxTicTacToe();
int bestMove = ai.findBestMove(game);
assertTrue(bestMove == 0 || bestMove == 2, "Can look at multiple moves!");
}
}