Legger til noen tester og gjør noen endringer for enklere testing

Legger til tester til Game i GameTest
Legger til en enum som kan konverteres til/fra teksturer for å fjerne grafikklogikk fra resten av spillet

src/main/java/inf112/skeleton/app/Game.java

@@ -1,8 +1,5 @@
 package inf112.skeleton.app;
 
-import com.badlogic.gdx.Gdx;
-import com.badlogic.gdx.graphics.Texture;
-
 import java.util.List;
 
 /**
@@ -14,22 +11,13 @@ public class Game implements IDrawableGame {
     private final int BOARD_WIDTH = TILE_SIZE * TILE_NUMBER;
     private final int BOARD_HEIGHT = TILE_SIZE * TILE_NUMBER;
 
-    private Texture robotTexture;
-    private Texture tileTexture;
-    private Texture walledTileTexture;
-    private Texture doublyWalledTileTexture;
-    private Texture slowTransportBandTexture;
+
 
     /**
      * Instantiates a new Game object
      */
     public Game () {
-        //Loads some textures
-        robotTexture = new Texture(Gdx.files.internal("assets/Robot.png"));
-        tileTexture = new Texture(Gdx.files.internal("assets/Tile.png"));
-        walledTileTexture = new Texture(Gdx.files.internal("assets/WalledTile.png"));
-        doublyWalledTileTexture = new Texture(Gdx.files.internal("assets/DoublyWalledTile.png"));
-        slowTransportBandTexture = new Texture(Gdx.files.internal("assets/TransportBandSlow.png"));
+
     }
 
     @Override

src/main/java/inf112/skeleton/app/GameLauncher.java

@@ -4,6 +4,7 @@ import com.badlogic.gdx.ApplicationAdapter;
 import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.graphics.GL20;
 import com.badlogic.gdx.graphics.OrthographicCamera;
+import com.badlogic.gdx.graphics.Texture;
 import com.badlogic.gdx.graphics.g2d.SpriteBatch;
 
 /**
@@ -14,8 +15,21 @@ public class GameLauncher extends ApplicationAdapter {
     private SpriteBatch batch;
     private IDrawableGame game;
 
+    private Texture robotTexture;
+    private Texture tileTexture;
+    private Texture walledTileTexture;
+    private Texture doublyWalledTileTexture;
+    private Texture slowTransportBandTexture;
+
     @Override
     public void create() {
+        //Loads some textures
+        robotTexture = new Texture(Gdx.files.internal("assets/Robot.png"));
+        tileTexture = new Texture(Gdx.files.internal("assets/Tile.png"));
+        walledTileTexture = new Texture(Gdx.files.internal("assets/WalledTile.png"));
+        doublyWalledTileTexture = new Texture(Gdx.files.internal("assets/DoublyWalledTile.png"));
+        slowTransportBandTexture = new Texture(Gdx.files.internal("assets/TransportBandSlow.png"));
+
         game = new Game();
         camera = new OrthographicCamera();
         camera.setToOrtho(false, game.getWidth(), game.getHeight());
@@ -33,10 +47,11 @@ public class GameLauncher extends ApplicationAdapter {
         batch.begin();
         //Renders all elements the game wants to render
         for (IDrawableObject object : game.objectsToRender()) {
-            batch.draw(object.getTexture(), object.getXPosition(), object.getYPosition(),
+            Texture objectTexture = gameTextureToTexture(object.getTexture());
+            batch.draw(objectTexture, object.getXPosition(), object.getYPosition(),
                     (float)object.getWidth()/2, (float)object.getHeight()/2, object.getWidth(),
                     object.getHeight(), 1, 1, object.getRotation(),
-                    0, 0, object.getTexture().getWidth(), object.getTexture().getHeight(), object.flipX(),
+                    0, 0, objectTexture.getWidth(), objectTexture.getHeight(), object.flipX(),
                     object.flipY());
         }
         batch.end();
@@ -46,4 +61,29 @@ public class GameLauncher extends ApplicationAdapter {
     public void dispose() {
         batch.dispose();
     }
+
+    /**
+     * Turns a GameTexture element into a Texture element
+     *
+     * This is necessary to keep all libgdx logic in this class only. Otherwise, testing would be painful.
+     *
+     * @param gameTexture A GameTexture enum
+     * @return A Gdx Texture
+     */
+    private Texture gameTextureToTexture(GameTexture gameTexture) {
+        switch (gameTexture) {
+            case ROBOT:
+                return robotTexture;
+            case TILE:
+                return tileTexture;
+            case WALLED_TILE:
+                return walledTileTexture;
+            case DOUBLY_WALLED_TILE:
+                return doublyWalledTileTexture;
+            case SLOW_TRANSPORT_BAND:
+                return slowTransportBandTexture;
+            default:
+                throw new IllegalArgumentException("Non existing texture encountered.");
+        }
+    }
 }

src/main/java/inf112/skeleton/app/GameTexture.java

@@ -0,0 +1,12 @@
+package inf112.skeleton.app;
+
+/**
+ * This enum represents a drawable texture
+ */
+public enum GameTexture {
+    ROBOT,
+    TILE,
+    WALLED_TILE,
+    DOUBLY_WALLED_TILE,
+    SLOW_TRANSPORT_BAND
+}

src/main/java/inf112/skeleton/app/IDrawableObject.java

@@ -1,7 +1,5 @@
 package inf112.skeleton.app;
 
-import com.badlogic.gdx.graphics.Texture;
-
 /**
  * This interface describes an object drawable using libgdx
  */
@@ -11,7 +9,7 @@ public interface IDrawableObject {
      * Gets the texture to use for drawing the object
      * @return The texture of the object
      */
-    Texture getTexture();
+    GameTexture getTexture();
 
     /**
      * Gets the x position the object should be drawn on

src/test/java/inf112/skeleton/app/GameTest.java

@@ -0,0 +1,41 @@
+package inf112.skeleton.app;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Before;
+import org.junit.Test;
+
+public class GameTest {
+    IDrawableGame game;
+
+    @Before
+    public void setUp() {
+        game = new Game();
+    }
+
+    @Test
+    public void gameWidthPositiveTest() {
+        assertTrue(game.getWidth() > 0);
+    }
+
+    @Test
+    public void gameWidthMaximumFullHDTest() {
+        assertTrue(game.getWidth() <= 1920);
+    }
+
+    @Test
+    public void gameHeightPositiveTest() {
+        assertTrue(game.getWidth() > 0);
+    }
+
+    @Test
+    public void gameHeightMaximumFullHDTest() {
+        assertTrue(game.getWidth() <= 1080);
+    }
+
+    @Test
+    public void getObjectsToRenderTest() {
+        assertFalse(game.objectsToRender().isEmpty());
+    }
+}