WW-4731 Adds additional test case to confirm that everything is ok

core/src/main/java/org/apache/struts2/views/xslt/XSLTResult.java

@@ -171,8 +171,9 @@ public class XSLTResult implements Result {
             if (location != null) {
                 templates = getTemplates(location);
                 transformer = templates.newTransformer();
-            } else
+            } else {
                 transformer = TransformerFactory.newInstance().newTransformer();
+            }
 
             transformer.setURIResolver(getURIResolver());
             transformer.setErrorListener(buildErrorListener());
@@ -247,8 +248,7 @@ public class XSLTResult implements Result {
      * function. The default is an instance of ServletURIResolver, which operates relative to the servlet context.
      */
     protected URIResolver getURIResolver() {
-        return new ServletURIResolver(
-                ServletActionContext.getServletContext());
+        return new ServletURIResolver(ServletActionContext.getServletContext());
     }
 
     protected Templates getTemplates(final String path) throws TransformerException, IOException {

core/src/test/java/org/apache/struts2/views/xslt/XSLTResultTest.java

@@ -35,6 +35,7 @@ import javax.xml.transform.TransformerException;
 import javax.xml.transform.URIResolver;
 import javax.xml.transform.stream.StreamSource;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 
 /**
@@ -82,6 +83,22 @@ public class XSLTResultTest extends StrutsInternalTestCase {
         assertTrue(out.indexOf("<result xmlns=\"http://www.w3.org/TR/xhtml1/strict\"") > -1);
     }
 
+    public void testSimpleTransform5() throws Exception {
+        result.setParse(false);
+        result.setStylesheetLocation("XSLTResultTest6.xsl");
+        result.execute(mai);
+
+        String out = response.getContentAsString();
+        assertTrue(out.startsWith("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"));
+        assertTrue(out.contains("<title>WebWork in Action</title>"));
+        assertTrue(out.contains("<author>Patrick and Jason</author>"));
+        assertTrue(out.contains("<editions><edition value=\"I\">I</edition><edition value=\"IV\">IV</edition></editions>"));
+        assertTrue(out.contains("<book><title/><author/><editions/></book>"));
+        assertTrue(out.contains("<title>XWork not in Action</title>"));
+        assertTrue(out.contains("<author>Superman</author>"));
+        assertTrue(out.contains("<editions><edition value=\"1234\">1234</edition><edition value=\"345\">345</edition><edition value=\"6667\">6667</edition></editions>"));
+    }
+
     public void testSimpleTransformParse() throws Exception {
         result.setParse(true);
         result.setStylesheetLocation("${top.myLocation}");
@@ -277,9 +294,9 @@ public class XSLTResultTest extends StrutsInternalTestCase {
 
         public List getBooks() {
             List list = new ArrayList();
-            list.add(new Book("WebWork in Action", "Patrick and Jason"));
+            list.add(new Book("WebWork in Action", "Patrick and Jason", Arrays.asList("I", "IV")));
             list.add(null);
-            list.add(new Book("XWork not in Action", "Superman"));
+            list.add(new Book("XWork not in Action", "Superman", Arrays.asList("1234", "345", "6667")));
             return list;
         }
 
@@ -289,10 +306,12 @@ public class XSLTResultTest extends StrutsInternalTestCase {
 
         private String title;
         private String author;
+        private List<String> editions;
 
-        public Book(String title, String author) {
+        public Book(String title, String author, List<String> editions) {
             this.title = title;
             this.author = author;
+            this.editions = editions;
         }
 
         public String getTitle() {
@@ -302,5 +321,9 @@ public class XSLTResultTest extends StrutsInternalTestCase {
         public String getAuthor() {
             return author;
         }
+
+        public List<String> getEditions() {
+            return editions;
+        }
     }
 }

core/src/test/resources/XSLTResultTest6.xsl

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+/*
+ * 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.
+ */
+-->
+
+<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
+    <xsl:output method="xml" encoding="UTF-8" />
+    <xsl:template match="result">
+        <books>
+            <xsl:for-each select="books/item">
+                <book>
+                    <title><xsl:value-of select="title"/></title>
+                    <author><xsl:value-of select="author"/></author>
+                    <editions>
+                    <xsl:for-each select="editions/item">
+                        <edition><xsl:attribute name="value"><xsl:value-of select="."/></xsl:attribute><xsl:value-of select="."/></edition>
+                    </xsl:for-each>
+                    </editions>
+                </book>
+            </xsl:for-each>
+        </books>
+    </xsl:template>
+</xsl:stylesheet>

core/src/test/resources/log4j2.xml

@@ -9,5 +9,6 @@
         <Root level="info">
             <AppenderRef ref="STDOUT"/>
         </Root>
+        <Logger name="org.apache.struts2.views.xslt" level="debug"/>
     </Loggers>
 </Configuration>