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Projekte/jme-common/src/test/java/pp/view/ModelViewSynchronizerTest.java

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+////////////////////////////////////////
+// Programming project code
+// UniBw M, 2022, 2023, 2024
+// www.unibw.de/inf2
+// (c) Mark Minas (mark.minas@unibw.de)
+////////////////////////////////////////
+
+package pp.view;
+
+import com.jme3.scene.Node;
+import com.jme3.scene.Spatial;
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+
+public class ModelViewSynchronizerTest {
+
+    private Node rootNode;
+    private Node itemNode;
+    private ModelViewSynchronizer<String> synchronizer;
+
+    @Before
+    public void setUp() {
+        rootNode = new Node("root"); //NON-NLS
+        synchronizer = new ModelViewSynchronizer<>(rootNode) {
+            @Override
+            protected Spatial translate(String item) {
+                return new Node(item);
+            }
+        };
+        itemNode = (Node) rootNode.getChild(0);
+    }
+
+    @Test
+    public void testConstructor() {
+        assertNotNull(itemNode);
+        assertEquals(1, rootNode.getQuantity());
+    }
+
+    @Test
+    public void testAdd() {
+        String item = "item1"; //NON-NLS
+        synchronizer.add(item);
+
+        Spatial spatial = synchronizer.getSpatial(item);
+        assertNotNull(spatial);
+        assertEquals(item, spatial.getName());
+        assertTrue(itemNode.hasChild(spatial));
+    }
+
+    @Test
+    public void testDelete() {
+        String item = "item1"; //NON-NLS
+        synchronizer.add(item);
+        synchronizer.delete(item);
+
+        Spatial spatial = synchronizer.getSpatial(item);
+        assertNull(spatial);
+        assertFalse(itemNode.hasChild(spatial));
+    }
+
+    @Test
+    public void testClear() {
+        synchronizer.add("item1"); //NON-NLS
+        synchronizer.add("item2"); //NON-NLS
+        synchronizer.clear();
+
+        assertNull(synchronizer.getSpatial("item1")); //NON-NLS
+        assertNull(synchronizer.getSpatial("item2")); //NON-NLS
+        assertEquals(0, itemNode.getQuantity());
+    }
+
+    @Test
+    public void testAddDuplicate() {
+        String item = "item1"; //NON-NLS
+        synchronizer.add(item);
+        synchronizer.add(item);
+
+        assertEquals(1, itemNode.getQuantity());
+    }
+}