FIX: Bean did not get dirty when modified with ExpressionPath.pathSet

src/test/java/com/avaje/ebean/plugin/ExpressionPathTest.java

@@ -2,6 +2,7 @@ package com.avaje.ebean.plugin;
 
 import com.avaje.ebean.Ebean;
 import com.avaje.ebean.EbeanServer;
+import com.avaje.tests.model.basic.Customer;
 import com.avaje.tests.model.basic.Order;
 import org.junit.Test;
 
@@ -76,4 +77,46 @@ public class ExpressionPathTest {
     assertThat(order.getCustomer().getName()).isEqualTo("Rob");
   }
 
+  @Test
+  public void test_dirty() throws Exception {
+
+	  
+    BeanType<Customer> customerBeanType = beanType(Customer.class);
+    BeanType<Order> orderBeanType = beanType(Order.class);
+    
+    
+    Customer customer = new Customer();
+    customer.setName("foo");
+    server.save(customer);
+    
+    customer = server.find(Customer.class, customer.getId());
+    assertThat(customer.getName()).isEqualTo("foo");
+    
+    customerBeanType.getExpressionPath("name").pathSet(customer, "bar");
+    server.save(customer);
+    
+    customer = server.find(Customer.class, customer.getId());
+    assertThat(customer.getName()).isEqualTo("bar");
+    
+    
+    Order order = new Order();
+    order.setCustomer(customer);
+    
+    server.save(order);
+    
+    order = server.find(Order.class, order.getId());
+    
+    ExpressionPath customerNamePath = orderBeanType.getExpressionPath("customer.name");
+    assertThat(customerNamePath.pathGet(order)).isEqualTo("bar");
+    
+    customerNamePath.pathSet(order, "baz");
+    server.save(order);
+    
+    order = server.find(Order.class, order.getId());
+    assertThat(order.getCustomer().getName()).isEqualTo("baz");
+    
+    
+    
+  }
+
 }

src/test/java/com/avaje/tests/model/basic/Order.java

@@ -86,7 +86,7 @@ public class Order implements Serializable {
   Date shipDate;
 
   @NotNull
-  @ManyToOne
+  @ManyToOne(cascade = CascadeType.PERSIST)
   @JoinColumn(name = "kcustomer_id")
   @DocEmbedded(doc = "id,name")
   Customer customer;