Refactor move tests from ebean-core to ebean-test

ebean-test/src/test/java/org/tests/basic/TestManyLazyLoad.java

@@ -0,0 +1,64 @@
+package org.tests.basic;
+
+import io.ebean.BaseTestCase;
+import io.ebean.DB;
+import org.tests.model.basic.Order;
+import org.tests.model.basic.OrderDetail;
+import org.tests.model.basic.ResetBasicData;
+import org.junit.jupiter.api.Test;
+
+import java.sql.Date;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class TestManyLazyLoad extends BaseTestCase {
+
+  @Test
+  public void testLazyLoadRef() throws InterruptedException {
+
+    ResetBasicData.reset();
+
+    awaitL2Cache();
+
+    List<Order> list = DB.find(Order.class).order().asc("id").findList();
+    assertFalse(list.isEmpty());
+
+    // just use the first one
+    Order order = list.get(0);
+
+    // get it as a reference
+    Order order1 = DB.reference(Order.class, order.getId());
+    assertNotNull(order1);
+
+    Date orderDate = order1.getOrderDate();
+    assertNotNull(orderDate);
+
+    List<OrderDetail> details = order1.getDetails();
+
+    // lazy load the details
+    int sz = details.size();
+    assertTrue(sz > 0);
+
+    OrderDetail orderDetail = details.get(0);
+    Order o = orderDetail.getOrder();
+    assertSame(o, order1);
+
+    // load detail into cache
+    DB.find(OrderDetail.class, orderDetail.getId());
+
+    // change order... list before a scalar property
+    Order order2 = DB.reference(Order.class, order.getId());
+    assertNotNull(order2);
+
+    List<OrderDetail> details2 = order2.getDetails();
+
+    // lazy load the details
+    int sz2 = details2.size();
+    assertTrue(sz2 > 0);
+
+    Order o2 = details2.get(0).getOrder();
+    assertSame(o2, order2);
+  }
+
+}