src/test/java/ItemTest.java

@@ -0,0 +1,27 @@
+import Item.BasicItem;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class ItemTest {
+    private BasicItem item() {
+        return new BasicItem("item_id", "item", 5);
+    }
+    @Test
+    void instantiates_with_id() {
+        var i = item();
+        assertEquals("item_id", i.getId());
+    }
+
+    @Test
+    void instantiate_with_name() {
+        var item = item();
+        assertEquals("item", item.getName());
+    }
+
+    @Test
+    void instantiates_with_weight() {
+        var i = item();
+        assertEquals(5, i.getWeight());
+    }
+}