Lesson 2 is done

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

+package com.example.paktalin.agilejava_exercises;
+
+import com.example.paktalin.agilejava_exercises.pieces.Pawn;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by Paktalin on 23/05/2018.
+ */
+
+class Board {
+    private List<Pawn> pawns = new ArrayList<>();
+
+    int getNumberOfPieces() {
+        return pawns.size();
+    }
+
+    void addPawn(Pawn pawn) {
+        pawns.add(pawn);
+    }
+
+    Pawn getPawn(int index) {
+        return pawns.get(index);
+    }
+}

app/src/main/java/com/example/paktalin/agilejava_exercises/Pawn.java → app/src/main/java/com/example/paktalin/agilejava_exercises/pieces/Pawn.java

-package com.example.paktalin.agilejava_exercises;
+package com.example.paktalin.agilejava_exercises.pieces;
 
 /**
  * Created by Paktalin on 23/05/2018.
  */
 
-class Pawn {
-    private String color = "white";
+public class Pawn {
+    public static String COLOR_WHITE = "white";
+    public static String COLOR_BLACK = "black";
 
-    Pawn(final String color) {
+    private String color;
+
+    public Pawn() {
+        color = "white";
+    }
+
+    public Pawn(final String color) {
         this.color = color;
     }
 
-    String getColor() {
+    public String getColor() {
         return color;
     }
 }

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

+package com.example.paktalin.agilejava_exercises;
+
+import com.example.paktalin.agilejava_exercises.pieces.PawnTest;
+
+import junit.framework.TestSuite;
+
+/**
+ * Created by Paktalin on 23/05/2018.
+ */
+
+public class AllTests extends TestSuite {
+
+    public static TestSuite suite() {
+        TestSuite suite = new TestSuite();
+
+        suite.addTestSuite(PawnTest.class);
+        suite.addTestSuite(BoardTest.class);
+
+        return suite;
+    }
+}

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

+package com.example.paktalin.agilejava_exercises;
+
+import com.example.paktalin.agilejava_exercises.pieces.Pawn;
+
+import junit.framework.TestCase;
+
+/**
+ * Created by Paktalin on 23/05/2018.
+ */
+
+public class BoardTest extends TestCase {
+
+    private Board board;
+
+    public void setUp() {
+        board = new Board();
+    }
+
+    public void testBoard() {
+        assertEquals(0, board.getNumberOfPieces());
+    }
+
+    public void testNumberOfPieces() {
+        Pawn pawn = new Pawn(Pawn.COLOR_BLACK);
+
+        board.addPawn(pawn);
+        assertEquals(1, board.getNumberOfPieces());
+        assertEquals("black", board.getPawn(0).getColor());
+    }
+
+}

app/src/test/java/com/example/paktalin/agilejava_exercises/PawnTest.java → app/src/test/java/com/example/paktalin/agilejava_exercises/pieces/PawnTest.java

-package com.example.paktalin.agilejava_exercises;
+package com.example.paktalin.agilejava_exercises.pieces;
 
 import junit.framework.TestCase;
 
+import static com.example.paktalin.agilejava_exercises.pieces.Pawn.COLOR_BLACK;
+import static com.example.paktalin.agilejava_exercises.pieces.Pawn.COLOR_WHITE;
+
 /**
  * Created by Paktalin on 23/05/2018.
  */
@@ -9,13 +12,15 @@ import junit.framework.TestCase;
 public class PawnTest extends TestCase {
 
     public void testCreate() {
-        String COLOR_WHITE = "white";
-        String COLOR_BLACK = "black";
-
         Pawn pawn = new Pawn(COLOR_WHITE);
         assertEquals("white", pawn.getColor());
 
         Pawn pawn2 = new Pawn(COLOR_BLACK);
         assertEquals("black", pawn2.getColor());
     }
+
+    public void testConstructor() {
+        Pawn pawn = new Pawn();
+        assertEquals("white", pawn.getColor());
+    }
 }