1   /*
2    * Copyright 2002,2004 The Apache Software Foundation.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.apache.commons.jelly;
17  
18  import java.io.FileInputStream;
19  import java.io.InputStream;
20  import java.io.StringWriter;
21  
22  import junit.framework.Test;
23  import junit.framework.TestCase;
24  import junit.framework.TestSuite;
25  import junit.textui.TestRunner;
26  
27  import org.apache.commons.jelly.impl.TextScript;
28  import org.apache.commons.jelly.parser.XMLParser;
29  import org.apache.commons.logging.Log;
30  import org.apache.commons.logging.LogFactory;
31  
32  /*** Tests the core tags
33    *
34    * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
35    * @version $Revision: 1.15 $
36    */
37  public class TestCoreTags extends TestCase {
38  
39      /*** The Log to which logging calls will be made. */
40      private static final Log log = LogFactory.getLog(TestCoreTags.class);
41  
42      public static void main(String[] args) {
43          TestRunner.run(suite());
44      }
45  
46      public static Test suite() {
47          return new TestSuite(TestCoreTags.class);
48      }
49  
50      public TestCoreTags(String testName) {
51          super(testName);
52      }
53  
54      public void testArgs() throws Exception {
55          InputStream in = new FileInputStream("src/test/org/apache/commons/jelly/test_args.jelly");
56          XMLParser parser = new XMLParser();
57          Script script = parser.parse(in);
58          script = script.compile();
59          log.debug("Found: " + script);
60          assertTrue("Parsed a Script", script instanceof Script);
61          String[] args = { "one", "two", "three" };
62          JellyContext context = new JellyContext();
63          context.setVariable("args", args);
64          StringWriter buffer = new StringWriter();
65          script.run(context, XMLOutput.createXMLOutput(buffer));
66          String text = buffer.toString().trim();
67          if (log.isDebugEnabled()) {
68              log.debug("Evaluated script as...");
69              log.debug(text);
70          }
71          assertEquals("Produces the correct output", "one two three", text);
72      }
73  
74      public void testTrimEndWhitespace() throws Exception {
75          TextScript textScript = new TextScript(" ");
76          textScript.trimEndWhitespace();
77          assertEquals("", textScript.getText());
78  
79          textScript = new TextScript("");
80          textScript.trimEndWhitespace();
81          assertEquals("", textScript.getText());
82  
83          textScript = new TextScript(" foo ");
84          textScript.trimEndWhitespace();
85          assertEquals(" foo", textScript.getText());
86  
87          textScript = new TextScript("foo");
88          textScript.trimEndWhitespace();
89          assertEquals("foo", textScript.getText());
90      }
91  
92      public void testTrimStartWhitespace() throws Exception {
93          TextScript textScript = new TextScript(" ");
94          textScript.trimStartWhitespace();
95          assertEquals("", textScript.getText());
96  
97          textScript = new TextScript("");
98          textScript.trimStartWhitespace();
99          assertEquals("", textScript.getText());
100 
101         textScript = new TextScript(" foo ");
102         textScript.trimStartWhitespace();
103         assertEquals("foo ", textScript.getText());
104 
105         textScript = new TextScript("foo");
106         textScript.trimStartWhitespace();
107         assertEquals("foo", textScript.getText());
108     }
109 }