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Feat: Add more tests for Utility-method in ConnectFour-class
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@JonBergland
JonBergland committed Jan 24, 2024
1 parent ad6048e commit 2d6b7bb
Showing 1 changed file with 92 additions and 2 deletions.
94 changes: 92 additions & 2 deletions backend/src/test/java/board/master/model/games/connect_four/ConnectFourTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -141,7 +141,6 @@ void testResultsTransformationHasTransformed() {
assertNotEquals(originalStateHandler.getBoard(), transformedStateHandler.getBoard());

}

}
@Nested
class TestToMove {
Expand Down Expand Up @@ -229,7 +228,36 @@ void testUtilityAfter3InARow() {
}

@Test
void testUtilityAfter3Diagonally() {
void testUtilityAfterLeftToRightDiagonal() {
int baseNumber = 2;
int playerPiecesInADiagonal = 2;
int botPiecesInARow = 1;

// Player has 2 diagonals with 3 and 2 pieces in a row respectively
int playerDiagonalValue = (int) Math.pow(baseNumber, playerPiecesInADiagonal)
+ (int) Math.pow(baseNumber, playerPiecesInADiagonal - 1);

// Bot has 2 diagonal with 2 pieces in a row
int botDiagonalValue = (int) Math.pow(baseNumber, botPiecesInARow)*2;

// The value for player - the value for bot
int expected = playerDiagonalValue - botDiagonalValue;

connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(0));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(1));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(1));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(1));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(2));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(2));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(2));

int actual = connectFour.utility(1);

assertEquals(expected, actual);
}

@Test
void testUtilityAfterRightToLeftDiagonaly() {
int baseNumber = 2;
int playerPiecesInADiagonal = 2;
int botPiecesInARow = 1;
Expand All @@ -244,13 +272,75 @@ void testUtilityAfter3Diagonally() {
// The value for player - the value for bot
int expected = playerDiagonalValue - botDiagonalValue;

connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(3));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(2));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(2));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(2));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(1));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(1));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(1));

int actual = connectFour.utility(1);

assertEquals(expected, actual);
}

@Test
void testUtilityAfterDiagonalVerticalAndHorizontally() {
int baseNumber = 2;
int playerPiecesInADiagonal = 2;
int botPiecesInARow = 1;

// Player has 2 diagonals with 3 pieces, a horizontal with 2 pieces in a row and a vertical with 3 pieces in a row
int playerDiagonalValue = (int) Math.pow(baseNumber, playerPiecesInADiagonal)*3
+ (int) Math.pow(baseNumber, playerPiecesInADiagonal - 1);

// Bot has 2 diagonal with 2 and 3 pieces in a row and a horizontal with 2 pieces in a row
int botDiagonalValue = (int) Math.pow(baseNumber, botPiecesInARow)*2
+ (int) Math.pow(baseNumber, botPiecesInARow + 1);

// The value for player - the value for bot
int expected = playerDiagonalValue - botDiagonalValue;

connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(0));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(1));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(1));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(1));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(2));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(2));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(2));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(3));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(0));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(4));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(0));

int actual = connectFour.utility(1);

assertEquals(expected, actual);
}

@Test
void testUtilityWithSymbolInTopLeftCorner() {
int baseNumber = 2;
int playerPiecesInADiagonal = 1;

// Player has 2 pieces in a row vertically
int playerDiagonalValue = (int) Math.pow(baseNumber, playerPiecesInADiagonal);

// Bot has 0 pieces in a row
int botDiagonalValue = 0;

// The value for player - the value for bot
int expected = playerDiagonalValue - botDiagonalValue;

connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(0));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(0));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(0));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(0));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(0));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(2));
connectFour = (ConnectFour) connectFour.result(connectFour.getActions().get(0));


int actual = connectFour.utility(1);

Expand Down

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