ALF-10771: adding validation to schema compare tool

Added support to DbObjects to accept visitors
Added ValidatingVisitor to invoke suitable validator on each DbObject
Added NameValidator and NullValidator to operate on DbObject types
Added test suites



git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@31494 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/util/schemacomp/model/SequenceTest.java

@@ -18,6 +18,9 @@
  */
 package org.alfresco.util.schemacomp.model;
 
+import static org.mockito.Mockito.verify;
+
+import org.junit.Before;
 import org.junit.Ignore;
 import org.junit.Test;
 
@@ -25,12 +28,41 @@ import org.junit.Test;
  * Tests for the Sequence class.
  * @author Matt Ward
  */
-public class SequenceTest
+public class SequenceTest extends DbObjectTestBase<Sequence>
 {
-    @Ignore
-    @Test
-    public void noTestsRequired()
+    private Sequence thisSequence;
+    private Sequence thatSequence;
+
+    @Before
+    public void setUp()
     {
-        // No functionality over and above AbstractDbObject at present.
+        thisSequence = new Sequence("this_sequence");
+        thatSequence = new Sequence("that_sequence");
+    }
+    
+    @Test
+    public void acceptVisitor()
+    {
+       thisSequence.accept(visitor);
+       
+       verify(visitor).visit(thisSequence);
+    }
+
+    @Override
+    protected Sequence getThisObject()
+    {
+        return thisSequence;
+    }
+
+    @Override
+    protected Sequence getThatObject()
+    {
+        return thatSequence;
+    }
+
+    @Override
+    protected void doDiffTests()
+    {
+        // Nothing extra to diff.
     }
 }