Additional test cases.

git-svn-id: https://svn.apache.org/repos/asf/openjpa/trunk@592557 13f79535-47bb-0310-9956-ffa450edef68

openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/jdbc/annotations/TestGenerators.java

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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.openjpa.persistence.jdbc.annotations;
+
+import javax.persistence.EntityManager;
+import javax.persistence.Query;
+
+import org.apache.openjpa.enhance.ClassRedefiner;
+import org.apache.openjpa.enhance.PersistenceCapable;
+import org.apache.openjpa.persistence.test.SingleEMFTestCase;
+
+/**
+ * Test for generators
+ *
+ * @author Steve Kim
+ */
+public class TestGenerators extends SingleEMFTestCase {
+
+    public void setUp()
+        throws Exception {
+        setUp(Generator.class, CLEAR_TABLES);
+    }
+
+    public void testGet() {
+        if (!PersistenceCapable.class.isAssignableFrom(Generator.class)
+            && !ClassRedefiner.canRedefineClasses())
+            fail("This test requires a higher level of enhancement than"
+                + " is available in the current environment.");
+
+        EntityManager em = emf.createEntityManager();
+        em.getTransaction().begin();
+        Generator g = new Generator();
+        g.setPk(5);
+        em.persist(g);
+        assertPks(g);
+        em.getTransaction().commit();
+        em.close();
+        assertNew();
+    }
+
+    public void testFlush() {
+        EntityManager em = emf.createEntityManager();
+        em.getTransaction().begin();
+        Generator g = new Generator();
+        g.setPk(5);
+        em.persist(g);
+        em.flush();
+        assertPks(g);
+        em.getTransaction().commit();
+        em.close();
+        assertNew();
+    }
+
+    public void testCommit() {
+        EntityManager em = emf.createEntityManager();
+        em.getTransaction().begin();
+        Generator g = new Generator();
+        g.setPk(5);
+        em.persist(g);
+        em.getTransaction().commit();
+        em.close();
+        assertNew();
+    }
+
+    private void assertNew() {
+        EntityManager em = emf.createEntityManager();
+        Query q = em.createQuery("select g from Generator g where "
+            + "g.stringField = 'foo'");
+        for (Object o : q.getResultList())
+            assertPks((Generator) o);
+        em.close();
+    }
+
+    private void assertPks(Generator g) {
+        assertNotEquals(0, g.getPk());
+        assertNotNull(g.getPk2());
+        assertNotEquals(new Integer(0), g);
+        assertNotEquals(0, g.getPk3());
+    }
+}