Add Test for Ball class

app/src/test/java/brickbreaker/BallTest.java

+
+package brickbreaker;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.awt.Color;
+import java.awt.Graphics;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.Mockito.*;
+
+public class BallTest {
+
+    @Mock
+    private Graphics mockGraphics;
+
+    private Ball ball;
+
+    @BeforeEach
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        ball = new Ball(100, 100, 2, 2, 10, Color.RED);
+    }
+
+    @Test
+    public void testGetPosition() {
+        assertEquals(100, ball.getPosition().x);
+        assertEquals(100, ball.getPosition().y);
+    }
+
+    @Test
+    public void testGetRadius() {
+        assertEquals(10, ball.getRadius());
+    }
+
+    @Test
+    public void testGetColor() {
+        assertEquals(Color.RED, ball.getColor());
+    }
+
+    @Test
+    public void testGetDirection() {
+        assertEquals(2, ball.getDirection().x);
+        assertEquals(2, ball.getDirection().y);
+    }
+
+    @Test
+    public void testSetPosition() {
+        ball.setPosition(200, 200);
+        assertEquals(200, ball.getPosition().x);
+        assertEquals(200, ball.getPosition().y);
+    }
+
+    @Test
+    public void testSetDirection() {
+        ball.setDirection(3, 3);
+        assertEquals(3, ball.getDirection().x);
+        assertEquals(3, ball.getDirection().y);
+    }
+
+    @Test
+    public void testMove() {
+        ball.move();
+        assertEquals(102, ball.getPosition().x);
+        assertEquals(102, ball.getPosition().y);
+    }
+
+    @Test
+    public void testCheckForWallCollisions() {
+        // Simulate a collision with the right wall
+        ball.setPosition(680, 100);
+        ball.checkForWallCollisions();
+
+        assertEquals(670, ball.getPosition().x);
+        assertEquals(100, ball.getPosition().y);
+        
+        assertEquals(-2, ball.getDirection().x);
+        assertEquals(2, ball.getDirection().y);
+        
+        // Simulate a collision with the top wall
+        ball.setPosition(100, 0);
+        ball.checkForWallCollisions();
+        
+        assertEquals(100, ball.getPosition().x);
+        assertEquals(0, ball.getPosition().y);
+        
+        assertEquals(2, ball.getDirection().y);
+        
+
+        // Simulate a collision with the left wall
+        ball.setPosition(-10, 100);
+        ball.checkForWallCollisions();
+        
+        assertEquals(0, ball.getPosition().x);
+        assertEquals(100, ball.getPosition().y);
+        
+        assertEquals(2, ball.getDirection().x);
+        assertEquals(2, ball.getDirection().y);
+        
+    }
+
+    @Test
+    public void testDraw() {
+        // Mock the Graphics object
+        ball.draw(mockGraphics);
+
+        // Verify that setColor and fillOval are called on the mockGraphics
+        verify(mockGraphics).setColor(Color.RED);
+        verify(mockGraphics).fillOval(100, 100, 10, 10);
+    }
+}
+