#919 - io.ebean package initial

src/test/java/org/tests/autofetch/TunedQueryWithNullFetchedBeanTest.java

@@ -0,0 +1,67 @@
+package org.tests.autofetch;
+
+import io.ebean.BaseTestCase;
+import io.ebean.Ebean;
+import io.ebean.EbeanServer;
+import io.ebean.Query;
+import io.ebean.bean.EntityBean;
+import io.ebean.bean.EntityBeanIntercept;
+import org.tests.model.basic.Address;
+import org.tests.model.basic.Customer;
+import org.tests.model.basic.ResetBasicData;
+import org.avaje.ebeantest.LoggedSqlCollector;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.List;
+import java.util.Set;
+
+public class TunedQueryWithNullFetchedBeanTest extends BaseTestCase {
+
+  EbeanServer server = Ebean.getServer(null);
+
+  @Test
+  public void withFetchOfNullBeanJoin() {
+
+    ResetBasicData.reset();
+
+    Customer newCustomer = new Customer();
+    newCustomer.setName("TestFetchBillingAddress");
+    server.save(newCustomer);
+
+    Query<Customer> query = server.find(Customer.class)
+      .setId(newCustomer.getId())
+      .fetch("billingAddress", "id");
+
+    LoggedSqlCollector.start();
+
+    Customer customer = query.findUnique();
+    EntityBean eb = (EntityBean) customer;
+    EntityBeanIntercept ebi = eb._ebean_getIntercept();
+
+    Assert.assertTrue(ebi.isFullyLoadedBean());
+
+    // find the internal property index for "billingAddress"
+    String[] propNames = eb._ebean_getPropertyNames();
+    int pos = 0;
+    for (int i = 0; i < propNames.length; i++) {
+      if (propNames[i].equals("billingAddress")) {
+        pos = i;
+      }
+    }
+
+    // The billing address is loaded (but value null)
+    Assert.assertTrue(ebi.isLoadedProperty(pos));
+
+    Set<String> loadedPropertyNames = ebi.getLoadedPropertyNames();
+    Assert.assertNull(loadedPropertyNames);
+
+    // no lazy loading expected here, value is null
+    Address billingAddress = customer.getBillingAddress();
+    Assert.assertNull(billingAddress);
+
+    // assert only one query executed
+    List<String> loggedSql = LoggedSqlCollector.stop();
+    Assert.assertEquals(1, loggedSql.size());
+  }
+}