Can move a piece

app/src/main/java/com/example/paktalin/agilejava_exercises/Board.java

@@ -8,7 +8,7 @@ import static com.example.paktalin.agilejava_exercises.Piece.Color.*;
  * Created by Paktalin on 23/05/2018.
  */
 
-class Board {
+public class Board {
     private BoardLayout layout;
 
     private Side whiteSide = new Side();
@@ -16,7 +16,7 @@ class Board {
 
     private Board() {}
 
-    static Board createEmpty() {
+    public static Board createEmpty() {
         Board board = new Board();
         board.layout = BoardLayout.create(board);
         return board;
@@ -28,11 +28,15 @@ class Board {
         return board;
     }
 
-    void placePiece(Piece piece, String position) {
+    public void placePiece(Piece piece, String position) {
         layout.placePiece(piece, Position.create(position));
     }
 
-    Piece getPieceAtPosition(String position) {
+    public void move(Position from, Position to) {
+        layout.move(from, to);
+    }
+
+    public Piece getPieceAtPosition(String position) {
         return layout.getPieceAtPosition(Position.create(position));
     }
 

app/src/main/java/com/example/paktalin/agilejava_exercises/BoardLayout.java

@@ -53,6 +53,12 @@ class BoardLayout {
         pieces[position.getRow()][position.getIntColumn()] = piece;
     }
 
+    void move(Position from, Position to) {
+        Piece piece = getPieceAtPosition(from);
+        pieces[from.getRow()][from.getIntColumn()] = null;
+        placePiece(piece, to);
+    }
+
     Piece getPieceAtPosition(Position position) {
         return pieces[position.getRow()][position.getIntColumn()];
     }

app/src/main/java/com/example/paktalin/agilejava_exercises/Piece.java

@@ -8,7 +8,7 @@ import java.util.List;
  * Created by Paktalin on 23/05/2018.
  */
 
-public class Piece implements Comparable<Piece>{
+public class Piece implements Comparable<Piece> {
     public enum Color {White, Black}
 
     private Type type;
@@ -25,7 +25,6 @@ public class Piece implements Comparable<Piece>{
     }
 
     public enum Type {
-
         Pawn(1, 'p'), Knight(2.5, 'n'), Rook(5, 'r'), Bishop(3, 'b'), Queen(9, 'q'), King(0, 'k');
 
         private double strength;
@@ -45,14 +44,10 @@ public class Piece implements Comparable<Piece>{
         }
     }
 
-    void setPosition(Position position) {
+    public void setPosition(Position position) {
         this.position = position;
     }
 
-    Position getPosition() {
-        return position;
-    }
-
     char getRepresentation() {
         char representation = this.type.getRepresentation();
         if (this.isBlack())
@@ -67,7 +62,7 @@ public class Piece implements Comparable<Piece>{
     void setStrength(List<Piece> pieces) {
         if (this.type != Type.Pawn)
             strength = this.type.getStrength();
-        else Position.setPawnStrength(this, pieces);
+        else setPawnStrength(this, pieces);
     }
 
     @Override
@@ -79,6 +74,22 @@ public class Piece implements Comparable<Piece>{
         return 0;
     }
 
+    private static void setPawnStrength(Piece currentPiece, List<Piece> pieces) {
+        currentPiece.setStrength(1.0);
+        for (Piece piece : pieces) {
+            if (pawnsOnSameColumn(currentPiece, piece)) {
+                piece.setStrength(0.5);
+                currentPiece.setStrength(0.5);
+            }
+        }
+    }
+
+    private static boolean pawnsOnSameColumn(Piece currentPiece, Piece piece) {
+        return piece.getPosition().getColumn() == currentPiece.getPosition().getColumn() &&
+                piece.getPosition().getRow() != currentPiece.getPosition().getRow() &&
+                piece.getType() == currentPiece.getType();
+    }
+
     double getStrength() {
         return strength;
     }
@@ -88,6 +99,9 @@ public class Piece implements Comparable<Piece>{
     Type getType() {
         return type;
     }
+    public Position getPosition() {
+        return position;
+    }
 
     boolean isColor(Color color) {
         return this.color == color;
@@ -105,7 +119,7 @@ public class Piece implements Comparable<Piece>{
     static Piece createPawn(Color color) {
         return new Piece(color, Type.Pawn);
     }
-    static Piece createKing(Color color) {
+    public static Piece createKing(Color color) {
         return new Piece(color, Type.King);
     }
     static Piece createBishop(Color color) {
@@ -120,4 +134,4 @@ public class Piece implements Comparable<Piece>{
     static Piece createQueen(Color color) {
         return new Piece(color, Type.Queen);
     }
-}
+}
\ No newline at end of file

app/src/main/java/com/example/paktalin/agilejava_exercises/Position.java

 package com.example.paktalin.agilejava_exercises;
 
-import java.util.List;
-
 /**
  * Created by Paktalin on 31/05/2018.
  */
 
-class Position {
+public class Position {
 
     private int row;
     private char column;
@@ -18,11 +16,11 @@ class Position {
         this.column = column;
     }
 
-    static Position create(String positionString) {
+    public static Position create(String positionString) {
         return create(retrieveRow(positionString), retrieveColumn(positionString));
     }
 
-    static Position create(int row, int column) {
+    public static Position create(int row, int column) {
         return new Position(row, intToChar(column));
     }
 
@@ -60,20 +58,4 @@ class Position {
     int getIntColumn() {
         return charToInt(column);
     }
-
-    static void setPawnStrength(Piece currentPiece, List<Piece> pieces) {
-        currentPiece.setStrength(1.0);
-        for (Piece piece : pieces) {
-            if (pawnsOnSameColumn(currentPiece, piece)) {
-                piece.setStrength(0.5);
-                currentPiece.setStrength(0.5);
-            }
-        }
-    }
-
-    private static boolean pawnsOnSameColumn(Piece currentPiece, Piece piece) {
-        return piece.getPosition().getColumn() == currentPiece.getPosition().getColumn() &&
-                piece.getPosition().getRow() != currentPiece.getPosition().getRow() &&
-                piece.getType() == currentPiece.getType();
-    }
 }

app/src/main/java/com/example/paktalin/agilejava_exercises/moves/KingMoves.java

+package com.example.paktalin.agilejava_exercises.moves;
+
+import com.example.paktalin.agilejava_exercises.Piece;
+import com.example.paktalin.agilejava_exercises.Position;
+
+import java.util.Map;
+
+
+/**
+ * Created by Paktalin on 31/05/2018.
+ */
+
+public class KingMoves {
+
+}

app/src/main/java/com/example/paktalin/agilejava_exercises/moves/Moves.java

+package com.example.paktalin.agilejava_exercises.moves;
+
+/**
+ * Created by Paktalin on 31/05/2018.
+ */
+
+public abstract class Moves {
+
+
+}

app/src/test/java/com/example/paktalin/agilejava_exercises/AllTests.java

 package com.example.paktalin.agilejava_exercises;
 
+import com.example.paktalin.agilejava_exercises.moves.KingMovesTest;
+
 import junit.framework.TestSuite;
 
 /**
@@ -15,6 +17,7 @@ public class AllTests extends TestSuite {
         suite.addTestSuite(BoardTest.class);
         suite.addTestSuite(CharacterTest.class);
         suite.addTestSuite(PositionTest.class);
+        suite.addTestSuite(KingMovesTest.class);
 
         return suite;
     }

app/src/test/java/com/example/paktalin/agilejava_exercises/moves/KingMovesTest.java

+package com.example.paktalin.agilejava_exercises.moves;
+
+import com.example.paktalin.agilejava_exercises.Board;
+import com.example.paktalin.agilejava_exercises.Piece;
+import com.example.paktalin.agilejava_exercises.Position;
+
+import junit.framework.TestCase;
+
+/**
+ * Created by Paktalin on 31/05/2018.
+ */
+
+public class KingMovesTest extends TestCase {
+
+    private Piece king;
+    private Board board;
+
+    @Override
+    protected void setUp() throws Exception {
+        board = Board.createEmpty();
+        board.placePiece(Piece.createKing(Piece.Color.Black), "b5");
+        king = board.getPieceAtPosition("b5");
+    }
+
+    public void testCreate() {
+        assertEquals("b5", king.getPosition().toString());
+        board.move(Position.create("b5"), Position.create("a6"));
+        assertEquals("a6", king.getPosition().toString());
+    }
+
+}