#2156 - Using @OneToOne(targetEntity...) with Interface field results in BeanNotRegisteredException (#2160)

ebean-core/src/test/java/org/tests/basic/TestManyOneInterface.java

@@ -16,7 +16,7 @@ public class TestManyOneInterface extends BaseTestCase {
 
     ResetBasicData.reset();
 
-    IAddress a = new Address();
+    IAddress a = new Address("hello");
 
     IPerson p = new Person();
 

ebean-core/src/test/java/org/tests/model/interfaces/Address.java

@@ -15,6 +15,10 @@ public class Address implements IAddress {
 
   private String street;
 
+  public Address(String street) {
+    this.street = street;
+  }
+
   public long getOid() {
     return oid;
   }

ebean-core/src/test/java/org/tests/model/interfaces/IPersona.java

@@ -0,0 +1,6 @@
+package org.tests.model.interfaces;
+
+public interface IPersona {
+
+  String persona();
+}

ebean-core/src/test/java/org/tests/model/interfaces/Persona.java

@@ -0,0 +1,39 @@
+package org.tests.model.interfaces;
+
+import javax.persistence.*;
+
+@Entity
+public class Persona implements IPersona {
+
+  @Id
+  private long id;
+
+  @Version
+  private int version;
+
+  private final String persona;
+
+  @OneToOne(orphanRemoval = true, fetch = FetchType.LAZY, targetEntity = Person.class)
+  private IPerson person;
+
+  public Persona(String persona) {
+    this.persona = persona;
+  }
+
+  public long getId() {
+    return id;
+  }
+
+  @Override
+  public String persona() {
+    return persona;
+  }
+
+  public void setPerson(IPerson person) {
+    this.person = person;
+  }
+
+  public IPerson getPerson() {
+    return person;
+  }
+}

ebean-core/src/test/java/org/tests/model/interfaces/TestTargetEntity.java

@@ -0,0 +1,38 @@
+package org.tests.model.interfaces;
+
+import io.ebean.BaseTestCase;
+import io.ebean.DB;
+import org.junit.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class TestTargetEntity extends BaseTestCase {
+
+  @Test
+  public void test() {
+
+    Person person = setup();
+
+    Persona persona = new Persona("junk");
+    persona.setPerson(person);
+    DB.save(persona);
+
+    Persona found = DB.find(Persona.class, persona.getId());
+    assertThat(found).isNotNull();
+    assertThat(found.persona()).isEqualTo("junk");
+    assertThat(found.getPerson().getDefaultAddress().getStreet()).isEqualTo("street");
+
+    DB.delete(persona);
+    DB.delete(person);
+    DB.delete(person.getDefaultAddress());
+  }
+
+  private Person setup() {
+    Address address = new Address("street");
+    DB.save(address);
+    Person person = new Person();
+    person.setDefaultAddress(address);
+    DB.save(person);
+    return person;
+  }
+}