#919 - io.ebean package initial

src/test/java/org/tests/cache/TestCacheDelete.java

@@ -0,0 +1,44 @@
+package org.tests.cache;
+
+import io.ebean.BaseTestCase;
+import io.ebean.Ebean;
+import org.tests.model.basic.OCachedBean;
+import org.tests.model.basic.OCachedBeanChild;
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * 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 parentBean = new OCachedBean();
+    parentBean.getChildren().add(child);
+    parentBean.getChildren().add(child2);
+    Ebean.save(parentBean);
+
+    // confirm there are 2 children loaded from the parent
+    Assert.assertEquals(2, Ebean.find(OCachedBean.class, parentBean.getId()).getChildren().size());
+
+    // ensure cache has been populated
+    Ebean.find(OCachedBeanChild.class, child.getId());
+    child2 = Ebean.find(OCachedBeanChild.class, child2.getId());
+    parentBean = Ebean.find(OCachedBean.class, parentBean.getId());
+
+    // act
+    Ebean.delete(child2);
+    awaitL2Cache();
+
+    OCachedBean beanFromCache = Ebean.find(OCachedBean.class, parentBean.getId());
+    Assert.assertEquals(1, beanFromCache.getChildren().size());
+  }
+}