#919 - io.ebean package initial

src/test/java/org/tests/sp/TestManyToManySaveTwice.java

@@ -0,0 +1,43 @@
+package org.tests.sp;
+
+import io.ebean.BaseTestCase;
+import io.ebean.Ebean;
+import org.tests.sp.model.car.Car;
+import org.tests.sp.model.car.Wheel;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.LinkedList;
+import java.util.List;
+
+public class TestManyToManySaveTwice extends BaseTestCase {
+
+  @Test
+  public void testInsertCarTwice() {
+
+    Ebean.createSqlUpdate("delete from sp_car_car_wheels").execute();
+    Ebean.createSqlUpdate("delete from sp_car_wheel").execute();
+    Ebean.createSqlUpdate("delete from sp_car_car").execute();
+
+    List<Wheel> wheels = new LinkedList<>();
+    wheels.add(new Wheel());
+    wheels.add(new Wheel());
+    wheels.add(new Wheel());
+    wheels.add(new Wheel());
+
+    Car c = new Car();
+    c.setWheels(wheels);
+
+    Ebean.save(c); // NOTE 1ST SAVE
+
+    Assert.assertFalse("No ID assigned!", c.getId() == null);
+
+    Ebean.save(c); // NOTE 2ND SAVE
+
+    List<Car> allCars = Ebean.find(Car.class).findList();
+    Assert.assertEquals("Inserted 1 car, received more/less!", 1, allCars.size());
+
+    List<Wheel> allWheels = Ebean.find(Wheel.class).findList();
+    Assert.assertEquals("Inserted 4 wheels, received more/less!", 4, allWheels.size());
+  }
+}