001 /*
002 $Id: TestCaseRenderEngine.java,v 1.5 2004/04/01 06:21:55 cpoirier Exp $
003
004 Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
005
006 Redistribution and use of this software and associated documentation
007 ("Software"), with or without modification, are permitted provided
008 that the following conditions are met:
009
010 1. Redistributions of source code must retain copyright
011 statements and notices. Redistributions must also contain a
012 copy of this document.
013
014 2. Redistributions in binary form must reproduce the
015 above copyright notice, this list of conditions and the
016 following disclaimer in the documentation and/or other
017 materials provided with the distribution.
018
019 3. The name "groovy" must not be used to endorse or promote
020 products derived from this Software without prior written
021 permission of The Codehaus. For written permission,
022 please contact info@codehaus.org.
023
024 4. Products derived from this Software may not be called "groovy"
025 nor may "groovy" appear in their names without prior written
026 permission of The Codehaus. "groovy" is a registered
027 trademark of The Codehaus.
028
029 5. Due credit should be given to The Codehaus -
030 http://groovy.codehaus.org/
031
032 THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
033 ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
034 NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
035 FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
036 THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
037 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
038 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
039 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
040 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
041 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
042 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
043 OF THE POSSIBILITY OF SUCH DAMAGE.
044
045 */
046 package org.codehaus.groovy.wiki;
047
048 import java.io.IOException;
049 import java.io.Writer;
050 import java.util.regex.Pattern;
051
052 import org.radeox.api.engine.RenderEngine;
053 import org.radeox.api.engine.context.RenderContext;
054
055 /**
056 * @author James Strachan
057 * @version $Revision: 1.5 $
058 */
059 public class TestCaseRenderEngine implements RenderEngine {
060 Pattern groovyCodePattern = Pattern.compile("\\{code:groovy\\}");
061 Pattern groovyShellPattern = Pattern.compile("\\{code:groovysh\\}");
062 Pattern codePattern = Pattern.compile("\\{code\\}");
063
064 public TestCaseRenderEngine() {
065 }
066
067 public String getName() {
068 return "TestCase";
069 }
070
071 public String render(String content, RenderContext context) {
072 String name = (String) context.get("name");
073 if (name == null) {
074 name = "UknownName.wiki";
075 }
076 int idx = name.lastIndexOf('.');
077 if (idx > 0) {
078 name = name.substring(0, idx);
079 }
080 name = name + "Test";
081
082 // lets replace {code:groovy} with a unit test case method name
083 StringBuffer buf = new StringBuffer();
084
085 String[] parts = groovyCodePattern.split(content);
086
087 buf.append( "package wiki\nclass " + name + " extends GroovyTestCase {\n\n");
088 buf.append("/*\n");
089 buf.append(processShellScripts(parts[0]));
090
091 for (int count = 1; count < parts.length; count++ ) {
092 buf.append("*/ \n\n void testCase" + count + "() {\n");
093
094 buf.append(processShellScripts(removeCloseCode(parts[count])));
095 }
096
097 buf.append("\n*/\n\n");
098 buf.append("void testDummy() {\n// this is a dummy test case\n}\n\n}\n");
099
100 return buf.toString();
101 }
102
103 /**
104 * Splits the comment block extracting any scripts that need to be tested
105 * @param text
106 * @return
107 */
108 protected String processShellScripts(String text) {
109 StringBuffer buf = new StringBuffer();
110
111 String[] parts = groovyShellPattern.split(text);
112
113 buf.append(parts[0]);
114
115 for (int count = 1; count < parts.length; count++ ) {
116 buf.append("*/ \n\n void testScript" + count + "() {\n");
117 buf.append(" assertScript( <<<SCRIPT_EOF" + count + "\n");
118
119 String code = parts[count].replaceFirst("\\{code\\}", "\nSCRIPT_EOF" + count + " )\n} \n\n /*");
120
121 // lets escape ${foo} expressions
122 StringBuffer temp = new StringBuffer(code);
123 for (int idx = 0; true; idx++) {
124 idx = temp.indexOf("$", idx);
125 if (idx >= 0) {
126 String next = temp.substring(++idx, idx+1);
127 if (next.equals("{")) {
128
129 //
130 // It's a hack, but we aren't escaping all \, so
131 // we just let \${ stand...
132
133 if( idx-2 >= 0 && !temp.substring(idx-2,idx-1).equals("\\") )
134 {
135 temp.insert(idx-1, "\\");
136 idx++;
137 }
138 }
139 }
140 else {
141 break;
142 }
143 }
144
145 buf.append(temp.toString());
146 }
147 return buf.toString();
148 }
149
150 protected String removeCloseCode(String text) {
151 return text.replaceFirst("\\{code\\}", "\n}\n\n /*");
152 }
153
154 public void render(Writer out, String content, RenderContext context) throws IOException {
155 out.write(render(content, context));
156 }
157 }