Add Wobu TestCacheDelete test case for cached beans

src/test/java/com/avaje/tests/cache/TestCacheDelete.java

@@ -0,0 +1,41 @@
+package com.avaje.tests.cache;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.avaje.ebean.BaseTestCase;
+import com.avaje.ebean.Ebean;
+import com.avaje.tests.model.basic.OCachedBean;
+import com.avaje.tests.model.basic.OCachedBeanChild;
+
+/**
+ * Test class testing deleting/invalidating of cached beans
+ */
+public class TestCacheDelete extends BaseTestCase {
+
+    /**
+     * When deleting a cached entity all entities with a referenced OneToMany relation must also be invalidated!
+     */
+    @Test
+    public void testCacheDeleteOneToMany() {
+        // arrange
+        OCachedBeanChild child = new OCachedBeanChild();
+        OCachedBeanChild child2 = new OCachedBeanChild();
+
+        OCachedBean cachedBean = new OCachedBean();
+        cachedBean.getChildren().add(child);
+        cachedBean.getChildren().add(child2);
+        Ebean.save(cachedBean);
+
+        // ensure cache has been populated
+        Ebean.find(OCachedBeanChild.class, child.getId());
+        child2 = Ebean.find(OCachedBeanChild.class, child2.getId());
+        cachedBean = Ebean.find(OCachedBean.class, cachedBean.getId());
+
+        // act
+        Ebean.delete(child2);
+
+        // assert
+        Assert.assertTrue(Ebean.find(OCachedBean.class, cachedBean.getId()).getChildren().size() == 1);
+    }
+}

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

@@ -3,9 +3,11 @@ package com.avaje.tests.model.basic;
 import java.util.ArrayList;
 import java.util.List;
 
+import javax.persistence.CascadeType;
 import javax.persistence.Entity;
 import javax.persistence.Id;
 import javax.persistence.ManyToMany;
+import javax.persistence.OneToMany;
 import javax.persistence.Table;
 
 import com.avaje.ebean.annotation.CacheStrategy;
@@ -22,10 +24,13 @@ public class OCachedBean {
   Long id;
 
   String name;
-  
+
   @ManyToMany
   List<Country> countries = new ArrayList<Country>();
 
+  @OneToMany(mappedBy = "cachedBean", cascade = CascadeType.ALL)
+  List<OCachedBeanChild> children = new ArrayList<OCachedBeanChild>();
+
   public Long getId() {
     return id;
   }
@@ -49,4 +54,12 @@ public class OCachedBean {
   public void setCountries(List<Country> countries) {
     this.countries = countries;
   }
+
+  public List<OCachedBeanChild> getChildren() {
+    return children;
+  }
+
+  public void setChildren(List<OCachedBeanChild> children) {
+    this.children = children;
+  }
 }

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

@@ -0,0 +1,39 @@
+package com.avaje.tests.model.basic;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.ManyToOne;
+import javax.persistence.Table;
+
+import com.avaje.ebean.annotation.CacheStrategy;
+
+/**
+ * Cached bean for testing caching implementation, especially relations.
+ */
+@CacheStrategy
+@Entity
+@Table(name = "o_cached_bean_child")
+public class OCachedBeanChild {
+
+    @Id
+    Long id;
+
+    @ManyToOne
+    OCachedBean cachedBean;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public OCachedBean getCachedBean() {
+        return cachedBean;
+    }
+
+    public void setCachedBean(OCachedBean cachedBean) {
+        this.cachedBean = cachedBean;
+    }
+}