From 7a974320edee149cc3e1660bb00ac45857412994 Mon Sep 17 00:00:00 2001
From: rob bygrave <robin.bygrave@gmail.com>
Date: Fri, 18 Oct 2019 16:20:38 +1300
Subject: [PATCH] #1846 - Test for - Inheritance cascade of fields with bean
 inheritance

Note this includes the workaround RootBean.preRemove(), so doesn't fail
---
 .../cascadedelete/ComplexBean.java            | 27 +++++++++++++++
 .../cascadedelete/ElementBean.java            | 26 +++++++++++++++
 .../cascadedelete/ReferencingBean.java        | 33 +++++++++++++++++++
 .../inheritance/cascadedelete/RootBean.java   | 22 +++++++++++++
 .../inheritance/cascadedelete/SimpleBean.java | 21 ++++++++++++
 .../TestInheritanceDeleteCascade.java         | 26 +++++++++++++++
 6 files changed, 155 insertions(+)
 create mode 100644 src/test/java/org/tests/inheritance/cascadedelete/ComplexBean.java
 create mode 100644 src/test/java/org/tests/inheritance/cascadedelete/ElementBean.java
 create mode 100644 src/test/java/org/tests/inheritance/cascadedelete/ReferencingBean.java
 create mode 100644 src/test/java/org/tests/inheritance/cascadedelete/RootBean.java
 create mode 100644 src/test/java/org/tests/inheritance/cascadedelete/SimpleBean.java
 create mode 100644 src/test/java/org/tests/inheritance/cascadedelete/TestInheritanceDeleteCascade.java

diff --git a/src/test/java/org/tests/inheritance/cascadedelete/ComplexBean.java b/src/test/java/org/tests/inheritance/cascadedelete/ComplexBean.java
new file mode 100644
index 000000000..095ba5af6
--- /dev/null
+++ b/src/test/java/org/tests/inheritance/cascadedelete/ComplexBean.java
@@ -0,0 +1,27 @@
+package org.tests.inheritance.cascadedelete;
+
+import javax.persistence.Entity;
+import javax.persistence.OneToMany;
+import java.util.List;
+
+import static javax.persistence.CascadeType.ALL;
+
+@Entity
+public class ComplexBean extends RootBean {
+
+  @OneToMany(cascade = ALL)
+  private List<ElementBean> elements;
+
+  public ComplexBean(List<ElementBean> elements) {
+    this.elements = elements;
+  }
+
+  public List<ElementBean> getElements() {
+    return elements;
+  }
+
+  public void setElements(List<ElementBean> elements) {
+    this.elements = elements;
+  }
+}
+
diff --git a/src/test/java/org/tests/inheritance/cascadedelete/ElementBean.java b/src/test/java/org/tests/inheritance/cascadedelete/ElementBean.java
new file mode 100644
index 000000000..ccf784adc
--- /dev/null
+++ b/src/test/java/org/tests/inheritance/cascadedelete/ElementBean.java
@@ -0,0 +1,26 @@
+package org.tests.inheritance.cascadedelete;
+
+import io.ebean.annotation.NotNull;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class ElementBean {
+
+  @Id
+  @GeneratedValue
+  private Long id;
+
+  @NotNull
+  private String value;
+
+  public ElementBean(String value) {
+    this.value = value;
+  }
+
+  public String getValue() {
+    return value;
+  }
+}
diff --git a/src/test/java/org/tests/inheritance/cascadedelete/ReferencingBean.java b/src/test/java/org/tests/inheritance/cascadedelete/ReferencingBean.java
new file mode 100644
index 000000000..3c66367e8
--- /dev/null
+++ b/src/test/java/org/tests/inheritance/cascadedelete/ReferencingBean.java
@@ -0,0 +1,33 @@
+package org.tests.inheritance.cascadedelete;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.OneToMany;
+import java.util.List;
+import java.util.UUID;
+
+import static javax.persistence.CascadeType.ALL;
+
+@Entity
+public class ReferencingBean {
+
+  @Id
+  @GeneratedValue
+  public UUID id;
+
+  @OneToMany(cascade = ALL)
+  private List<RootBean> rootBeans;
+
+  public ReferencingBean(List<RootBean> rootBeans) {
+    this.rootBeans = rootBeans;
+  }
+
+  public List<RootBean> getRootBeans() {
+    return rootBeans;
+  }
+
+  public void setRootBeans(List<RootBean> rootBeans) {
+    this.rootBeans = rootBeans;
+  }
+}
diff --git a/src/test/java/org/tests/inheritance/cascadedelete/RootBean.java b/src/test/java/org/tests/inheritance/cascadedelete/RootBean.java
new file mode 100644
index 000000000..d9d9ab08e
--- /dev/null
+++ b/src/test/java/org/tests/inheritance/cascadedelete/RootBean.java
@@ -0,0 +1,22 @@
+package org.tests.inheritance.cascadedelete;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.Inheritance;
+import javax.persistence.PreRemove;
+import java.util.UUID;
+
+@Entity
+@Inheritance
+public abstract class RootBean {
+
+  @Id
+  @GeneratedValue
+  public UUID id;
+
+  // added as workaround for the issue
+  @PreRemove
+  public void preRemove() {
+  }
+}
diff --git a/src/test/java/org/tests/inheritance/cascadedelete/SimpleBean.java b/src/test/java/org/tests/inheritance/cascadedelete/SimpleBean.java
new file mode 100644
index 000000000..e234228fc
--- /dev/null
+++ b/src/test/java/org/tests/inheritance/cascadedelete/SimpleBean.java
@@ -0,0 +1,21 @@
+package org.tests.inheritance.cascadedelete;
+
+import javax.persistence.Entity;
+
+@Entity
+public class SimpleBean extends RootBean {
+
+  private String value;
+
+  public SimpleBean(String value) {
+    this.value = value;
+  }
+
+  public String getValue() {
+    return value;
+  }
+
+  public void setValue(String value) {
+    this.value = value;
+  }
+}
diff --git a/src/test/java/org/tests/inheritance/cascadedelete/TestInheritanceDeleteCascade.java b/src/test/java/org/tests/inheritance/cascadedelete/TestInheritanceDeleteCascade.java
new file mode 100644
index 000000000..e4da9b23d
--- /dev/null
+++ b/src/test/java/org/tests/inheritance/cascadedelete/TestInheritanceDeleteCascade.java
@@ -0,0 +1,26 @@
+package org.tests.inheritance.cascadedelete;
+
+import io.ebean.BaseTestCase;
+import io.ebean.DB;
+import org.junit.Test;
+
+import static java.util.Arrays.asList;
+import static org.junit.Assert.assertNull;
+
+public class TestInheritanceDeleteCascade extends BaseTestCase {
+
+  @Test
+  public void test() {
+
+    RootBean bean1 = new ComplexBean(asList(new ElementBean("element-1"), new ElementBean("element-2")));
+    RootBean bean2 = new SimpleBean("simple-1");
+    ReferencingBean referencingBean = new ReferencingBean(asList(bean1, bean2));
+
+    DB.save(referencingBean);
+    DB.delete(referencingBean);
+
+    assertNull(DB.find(RootBean.class, DB.getBeanId(bean1)));
+    assertNull(DB.find(RootBean.class, DB.getBeanId(bean2)));
+  }
+
+}