SHRINKDESC-31 Add TestCase to show problem with import/export of XML …

…data with Comments

spi/src/test/java/org/jboss/shrinkwrap/descriptor/spi/xml/dom/XMLRoundTripTestCase.java

@@ -0,0 +1,73 @@
+/*
+ * JBoss, Home of Professional Open Source
+ * Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @authors tag. All rights reserved.
+ * See the copyright.txt in the distribution for a
+ * full listing of individual contributors.
+ *
+ * Licensed 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.jboss.shrinkwrap.descriptor.spi.xml.dom;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+
+import org.jboss.shrinkwrap.descriptor.spi.Node;
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * TestCases to see Exporter can handle the Node Structure provided by the Importer.
+ * 
+ * @author <a href="mailto:aslak@redhat.com">Aslak Knutsen</a>
+ * @version $Revision: $
+ */
+public class XMLRoundTripTestCase
+{
+   public static final String XML_WITH_COMMENT = "" +
+   		"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>" +
+   		"<root>" +
+   		"  <!-- comment -->" +
+   		"  <child>test</child>" +
+   		"</root>"; 
+
+   /*
+    * SHRINKDESC-31 - Comments in XML input Cause Export error
+    * 
+    * Node[#comment] children[0] text[ comment ] 
+    * Caused by: org.w3c.dom.DOMException: INVALID_CHARACTER_ERR: An invalid or illegal XML character is specified. 
+    *  
+    */
+   @Test
+   public void shouldBeAbleToImportAndExportXMLWithComments() throws Exception
+   {
+      Node root = load(XML_WITH_COMMENT);
+
+      Assert.assertNotNull(root.getSingle("#comment"));
+      Assert.assertNotNull(root.getSingle("child"));
+
+      System.out.println(export(root));
+   }
+
+   @SuppressWarnings({"unchecked", "rawtypes"})
+   private Node load(String xml)
+   {
+      return new XmlDomImporter(Object.class, "test.xml")
+         .importRootNode(new ByteArrayInputStream(xml.getBytes()));
+   }
+
+   private String export(Node root)
+   {
+      ByteArrayOutputStream output = new ByteArrayOutputStream();
+      new XmlDomExporter().to(root, output);
+      return new String(output.toByteArray());
+   }
+}