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);
+    }
+}