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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      https://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.commons.xml.secure;
19  
20  import static org.junit.jupiter.api.Assertions.assertInstanceOf;
21  import static org.junit.jupiter.api.Assertions.assertNotNull;
22  import static org.junit.jupiter.api.Assertions.assertNull;
23  
24  import java.io.StringReader;
25  import java.util.Properties;
26  
27  import javax.xml.transform.Templates;
28  import javax.xml.transform.Transformer;
29  import javax.xml.transform.TransformerFactory;
30  import javax.xml.transform.stream.StreamSource;
31  
32  import org.junit.jupiter.api.Tag;
33  import org.junit.jupiter.api.Test;
34  
35  @Tag("trax")
36  class SecureTemplatesTest {
37  
38      @Test
39      void delegatesPropertiesAndWrapsProducedTransformer() throws Exception {
40          final Templates delegate = TransformerFactory.newInstance().newTemplates(new StreamSource(
41                  new StringReader("<xsl:stylesheet version='1.0' xmlns:xsl='http://www.w3.org/1999/XSL/Transform'><xsl:template match='/'/></xsl:stylesheet>")));
42          final SecureTemplates templates = new SecureTemplates(delegate, (href, base) -> null, null, false);
43          assertNotNull(templates.getOutputProperties());
44          assertInstanceOf(SecureTransformer.class, templates.newTransformer());
45          assertNotNull(templates.getDelegate());
46      }
47  
48      @Test
49      void preservesANullTransformerFromTheDelegate() throws Exception {
50          final Templates delegate = new Templates() {
51  
52              @Override
53              public Properties getOutputProperties() {
54                  return new Properties();
55              }
56  
57              @Override
58              public Transformer newTransformer() {
59                  return null;
60              }
61          };
62          assertNull(new SecureTemplates(delegate, null, null, false).newTransformer());
63      }
64  }