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1
32
33 package com.jeantessier.classreader;
34
35 import java.io.*;
36 import java.util.*;
37
38 import org.xml.sax.*;
39 import org.xml.sax.helpers.*;
40
41 import org.apache.oro.text.perl.*;
42
43 import junit.framework.*;
44
45 public class TestXMLPrinter extends TestCase implements ErrorHandler {
46 private static final String  READER_CLASSNAME = "org.apache.xerces.parsers.SAXParser";
47 private static final String TEST_CLASS = "test";
48 private static final String TEST_FILENAME = "classes" + File.separator + "test.class";
49 private static final String TEST_DIRECTORY = "tests" + File.separator + "JarJarDiff" + File.separator + "new";
50
51 private static final String SPECIFIC_ENCODING = "iso-latin-1";
52 private static final String SPECIFIC_DTD_PREFIX = "./etc";
53
54 private ClassfileLoader loader;
55 private StringWriter buffer;
56 private Visitor printer;
57 private XMLReader reader;
58
59 private Perl5Util perl;
60
61 protected void setUp() throws Exception {
62 loader = new AggregatingClassfileLoader();
63
64 buffer = new StringWriter();
65 printer = new XMLPrinter(new PrintWriter(buffer), XMLPrinter.DEFAULT_ENCODING, SPECIFIC_DTD_PREFIX);
66
67 reader = XMLReaderFactory.createXMLReader(READER_CLASSNAME);
68 reader.setFeature("http://xml.org/sax/features/validation", true);
69 reader.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", true);
70 reader.setErrorHandler(this);
71
72 perl = new Perl5Util();
73 }
74
75 public void testDefaultDTDPrefix() {
76 buffer = new StringWriter();
77 printer = new XMLPrinter(new PrintWriter(buffer));
78
79 String xmlDocument = buffer.toString();
80 assertTrue(xmlDocument + "Missing DTD", perl.match("/DOCTYPE \\S+ SYSTEM \"(.*)\"/", xmlDocument));
81 assertTrue("DTD \"" + perl.group(1) + "\" does not have prefix \"" + XMLPrinter.DEFAULT_DTD_PREFIX + "\"", perl.group(1).startsWith(XMLPrinter.DEFAULT_DTD_PREFIX));
82
83 try {
84 reader.parse(new InputSource(new StringReader(xmlDocument)));
85 fail("Parsed non-existant document\n" + xmlDocument);
86 } catch (SAXException ex) {
87 } catch (IOException ex) {
89 fail("Could not read XML Document: " + ex.getMessage() + "\n" + xmlDocument);
90 }
91 }
92
93 public void testSpecificDTDPrefix() {
94 buffer = new StringWriter();
95 printer = new XMLPrinter(new PrintWriter(buffer), XMLPrinter.DEFAULT_ENCODING, SPECIFIC_DTD_PREFIX);
96
97 String xmlDocument = buffer.toString();
98 assertTrue(xmlDocument + "Missing DTD", perl.match("/DOCTYPE \\S+ SYSTEM \"(.*)\"/", xmlDocument));
99 assertTrue("DTD \"" + perl.group(1) + "\" does not have prefix \"./etc\"", perl.group(1).startsWith(SPECIFIC_DTD_PREFIX));
100
101 try {
102 reader.parse(new InputSource(new StringReader(xmlDocument)));
103 fail("Parsed non-existant document\n" + xmlDocument);
104 } catch (SAXException ex) {
105 } catch (IOException ex) {
107 fail("Could not read XML Document: " + ex.getMessage() + "\n" + xmlDocument);
108 }
109 }
110
111 public void testDefaultEncoding() {
112 buffer = new StringWriter();
113 printer = new XMLPrinter(new PrintWriter(buffer));
114
115 String xmlDocument = buffer.toString();
116 assertTrue(xmlDocument + "Missing encoding", perl.match("/encoding=\"([^\"]*)\"/", xmlDocument));
117 assertEquals("Encoding", XMLPrinter.DEFAULT_ENCODING, perl.group(1));
118
119 try {
120 reader.parse(new InputSource(new StringReader(xmlDocument)));
121 fail("Parsed non-existant document\n" + xmlDocument);
122 } catch (SAXException ex) {
123 } catch (IOException ex) {
125 fail("Could not read XML Document: " + ex.getMessage() + "\n" + xmlDocument);
126 }
127 }
128
129 public void testSpecificEncoding() {
130 buffer = new StringWriter();
131 printer = new XMLPrinter(new PrintWriter(buffer), SPECIFIC_ENCODING, XMLPrinter.DEFAULT_DTD_PREFIX);
132
133 String xmlDocument = buffer.toString();
134 assertTrue(xmlDocument + "Missing encoding", perl.match("/encoding=\"([^\"]*)\"/", xmlDocument));
135 assertEquals("Encoding", SPECIFIC_ENCODING, perl.group(1));
136
137 try {
138 reader.parse(new InputSource(new StringReader(xmlDocument)));
139 fail("Parsed non-existant document\n" + xmlDocument);
140 } catch (SAXException ex) {
141 } catch (IOException ex) {
143 fail("Could not read XML Document: " + ex.getMessage() + "\n" + xmlDocument);
144 }
145 }
146
147 public void testSingleClassfile() {
148 loader.load(Collections.singleton(TEST_FILENAME));
149
150 loader.getClassfile(TEST_CLASS).accept(printer);
151
152 String xmlDocument = buffer.toString();
153 assertTrue(xmlDocument + "Missing DOCTYPE", perl.match("/DOCTYPE (\\w+) SYSTEM/", xmlDocument));
154 assertEquals("DOCTYPE", "classfiles", perl.group(1));
155
156 try {
157 reader.parse(new InputSource(new StringReader(xmlDocument)));
158 } catch (SAXException ex) {
159 fail("Could not parse XML Document: " + ex.getMessage() + "\n" + xmlDocument);
160 } catch (IOException ex) {
161 fail("Could not read XML Document: " + ex.getMessage() + "\n" + xmlDocument);
162 }
163 }
164
165 public void testZeroClassfile() {
166 printer.visitClassfiles(Collections.EMPTY_LIST);
167
168 String xmlDocument = buffer.toString();
169 assertTrue(xmlDocument + "Missing DOCTYPE", perl.match("/DOCTYPE (\\w+) SYSTEM/", xmlDocument));
170 assertEquals("DOCTYPE", "classfiles", perl.group(1));
171
172 try {
173 reader.parse(new InputSource(new StringReader(xmlDocument)));
174 } catch (SAXException ex) {
175 fail("Could not parse XML Document: " + ex.getMessage() + "\n" + xmlDocument);
176 } catch (IOException ex) {
177 fail("Could not read XML Document: " + ex.getMessage() + "\n" + xmlDocument);
178 }
179 }
180
181 public void testOneClassfile() {
182 loader.load(Collections.singleton(TEST_FILENAME));
183
184 printer.visitClassfiles(loader.getAllClassfiles());
185
186 String xmlDocument = buffer.toString();
187 assertTrue(xmlDocument + "Missing DOCTYPE", perl.match("/DOCTYPE (\\w+) SYSTEM/", xmlDocument));
188 assertEquals("DOCTYPE", "classfiles", perl.group(1));
189
190 try {
191 reader.parse(new InputSource(new StringReader(xmlDocument)));
192 } catch (SAXException ex) {
193 fail("Could not parse XML Document: " + ex.getMessage() + "\n" + xmlDocument);
194 } catch (IOException ex) {
195 fail("Could not read XML Document: " + ex.getMessage() + "\n" + xmlDocument);
196 }
197 }
198
199 public void testMultipleClassfiles() throws SAXException, IOException {
200 loader.load(Collections.singleton(TEST_DIRECTORY));
201
202 printer.visitClassfiles(loader.getAllClassfiles());
203
204 String xmlDocument = buffer.toString();
205 assertTrue(xmlDocument + "Missing DOCTYPE", perl.match("/DOCTYPE (\\w+) SYSTEM/", xmlDocument));
206 assertEquals("DOCTYPE", "classfiles", perl.group(1));
207
208 try {
209 reader.parse(new InputSource(new StringReader(xmlDocument)));
210 } catch (SAXException ex) {
211 fail("Could not parse XML Document: " + ex.getMessage() + "\n" + xmlDocument);
212 } catch (IOException ex) {
213 fail("Could not read XML Document: " + ex.getMessage() + "\n" + xmlDocument);
214 }
215 }
216
217 public void error(SAXParseException ex) {
218 }
220
221 public void fatalError(SAXParseException ex) {
222 }
224
225 public void warning(SAXParseException ex) {
226 }
228 }
229 |
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