Source Code Cross Referenced for ParserProcessorTestCase.java in  » Parser » chaperon-3.0 » net » sourceforge » chaperon » test » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Parser » chaperon 3.0 » net.sourceforge.chaperon.test 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         *  Copyright (C) Chaperon. All rights reserved.
003:         *  -------------------------------------------------------------------------
004:         *  This software is published under the terms of the Apache Software License
005:         *  version 1.1, a copy of which has been included  with this distribution in
006:         *  the LICENSE file.
007:         */
008:
009:        package net.sourceforge.chaperon.test;
010:
011:        import junit.framework.*;
012:
013:        import net.sourceforge.chaperon.build.ParserAutomatonBuilder;
014:        import net.sourceforge.chaperon.common.ConsoleLog;
015:        import net.sourceforge.chaperon.model.grammar.Grammar;
016:        import net.sourceforge.chaperon.model.grammar.GrammarFactory;
017:        import net.sourceforge.chaperon.process.*;
018:
019:        import org.custommonkey.xmlunit.Diff;
020:
021:        import org.w3c.dom.*;
022:
023:        import org.xml.sax.InputSource;
024:        import org.xml.sax.XMLReader;
025:
026:        import java.io.*;
027:
028:        import javax.xml.parsers.*;
029:        import javax.xml.transform.*;
030:        import javax.xml.transform.dom.*;
031:        import javax.xml.transform.sax.*;
032:        import javax.xml.transform.stream.*;
033:
034:        public class ParserProcessorTestCase extends TestCase {
035:            private String name;
036:            private Element step;
037:
038:            public ParserProcessorTestCase(String name) {
039:                super (name);
040:                this .name = name;
041:            }
042:
043:            public ParserProcessorTestCase(String name, Element step) {
044:                super (name);
045:                this .name = name;
046:                this .step = step;
047:            }
048:
049:            public void runTest() throws Throwable {
050:                System.out.println("======================= " + name
051:                        + " =======================");
052:
053:                Grammar grammar = getGrammar(step);
054:
055:                //System.out.println("Grammar:\n"+grammar);
056:                ParserProcessor processor = getParserProcessor(grammar);
057:
058:                Document result = null;
059:
060:                result = process(processor, step);
061:
062:                Document expected = getResult(step);
063:
064:                assertEqual(expected, result);
065:            }
066:
067:            private ParserProcessor getParserProcessor(Grammar grammar) {
068:                ParserProcessor processor = new ParserProcessor();
069:                processor.setLog(new ConsoleLog());
070:
071:                ParserAutomaton automaton = (new ParserAutomatonBuilder(
072:                        grammar, new ConsoleLog())).getParserAutomaton();
073:
074:                //  (new ParserAutomatonBuilder(grammar)).getParserAutomaton();
075:                assertNotNull("Test if automaton is generated", automaton);
076:
077:                //System.out.println("Automaton:\n"+automaton);
078:                processor.setParserAutomaton(automaton);
079:
080:                NodeList list = step.getElementsByTagName("parameter");
081:                for (int i = 0; i < list.getLength(); i++) {
082:                    Element element = (Element) list.item(i);
083:                    if (element.getAttribute("name").equals("flatten"))
084:                        processor.setFlatten(Boolean.valueOf(
085:                                element.getAttribute("value")).booleanValue());
086:                }
087:
088:                return processor;
089:            }
090:
091:            private Document process(ParserProcessor processor, Element step)
092:                    throws Exception {
093:                NodeList list = step.getElementsByTagNameNS(
094:                        LexicalProcessor.NS_OUTPUT, LexicalProcessor.OUTPUT);
095:                Node node = list.item(0);
096:
097:                TransformerFactory streamerfactory = TransformerFactory
098:                        .newInstance();
099:                Transformer streamer = streamerfactory.newTransformer();
100:
101:                SAXTransformerFactory serializerfactory = (SAXTransformerFactory) SAXTransformerFactory
102:                        .newInstance();
103:                TransformerHandler serializer = serializerfactory
104:                        .newTransformerHandler();
105:                DOMResult result = new DOMResult();
106:                serializer.setResult(result);
107:
108:                processor.setContentHandler(new WhitespaceFilter(serializer));
109:
110:                streamer.transform(new DOMSource(node),
111:                        new SAXResult(processor));
112:
113:                return (Document) result.getNode();
114:            }
115:
116:            private Grammar getGrammar(Element step) throws Exception {
117:                NodeList list = step.getElementsByTagNameNS(
118:                        "http://chaperon.sourceforge.net/schema/grammar/1.0",
119:                        "grammar");
120:                Node node = list.item(0);
121:
122:                TransformerFactory streamerfactory = TransformerFactory
123:                        .newInstance();
124:                Transformer streamer = streamerfactory.newTransformer();
125:
126:                GrammarFactory grammarfactory = new GrammarFactory();
127:
128:                streamer.transform(new DOMSource(node), new SAXResult(
129:                        grammarfactory));
130:
131:                Grammar grammar = grammarfactory.getGrammar();
132:
133:                System.out.println("Grammar:\n" + grammar);
134:
135:                return grammar;
136:            }
137:
138:            private Document getResult(Element step) throws Exception {
139:                NodeList list = step.getElementsByTagNameNS(
140:                        ParserProcessor.NS_OUTPUT, ParserProcessor.OUTPUT);
141:                Node node = list.item(0);
142:
143:                TransformerFactory streamerfactory = TransformerFactory
144:                        .newInstance();
145:                Transformer streamer = streamerfactory.newTransformer();
146:
147:                //DOMSource source = new DOMSource(node);
148:                DOMResult result = new DOMResult();
149:
150:                streamer.transform(new DOMSource(node), result);
151:
152:                return (Document) result.getNode();
153:            }
154:
155:            private static Document getDocument(String filename, InputStream in)
156:                    throws Exception {
157:                SAXParserFactory parserfactory = SAXParserFactory.newInstance();
158:                parserfactory.setNamespaceAware(true);
159:
160:                XMLReader parser = parserfactory.newSAXParser().getXMLReader();
161:
162:                SAXTransformerFactory serializerfactory = (SAXTransformerFactory) SAXTransformerFactory
163:                        .newInstance();
164:                TransformerHandler handler = serializerfactory
165:                        .newTransformerHandler();
166:                DOMResult result = new DOMResult();
167:                handler.setResult(result);
168:
169:                parser.setContentHandler(new WhitespaceFilter(handler));
170:
171:                InputSource inputsource = new InputSource(in);
172:                inputsource.setSystemId(filename);
173:                parser.parse(inputsource);
174:
175:                return (Document) result.getNode();
176:            }
177:
178:            public final void print(Document document) throws Exception {
179:                TransformerFactory factory = TransformerFactory.newInstance();
180:                javax.xml.transform.Transformer serializer = factory
181:                        .newTransformer();
182:                serializer.transform(new DOMSource(document), new StreamResult(
183:                        System.out));
184:                System.out.println();
185:            }
186:
187:            /**
188:             * Compare two XML documents provided as strings
189:             *
190:             * @param control Control document
191:             * @param test Document to test
192:             *
193:             * @return Diff object describing differences in documents
194:             */
195:            public final Diff compareXML(Document control, Document test) {
196:                return new Diff(control, test);
197:            }
198:
199:            /**
200:             * Assert that the result of an XML comparison is similar.
201:             *
202:             * @param msg The assertion message
203:             * @param expected The expected XML document
204:             * @param actual The actual XML Document
205:             */
206:            public final void assertEqual(String msg, Document expected,
207:                    Document actual) {
208:                expected.getDocumentElement().normalize();
209:                actual.getDocumentElement().normalize();
210:
211:                Diff diff = compareXML(expected, actual);
212:
213:                if (!diff.similar()) {
214:                    try {
215:                        System.out.println("expected:");
216:                        print(expected);
217:                        System.out.println("actual:");
218:                        print(actual);
219:                    } catch (Exception e) {
220:                        e.printStackTrace();
221:                    }
222:                }
223:
224:                assertEquals(msg + ", " + diff.toString(), true, diff.similar());
225:            }
226:
227:            /**
228:             * Assert that the result of an XML comparison is similar.
229:             *
230:             * @param msg The assertion message
231:             * @param expected The expected XML document
232:             * @param actual The actual XML Document
233:             */
234:            public final void assertEqual(Document expected, Document actual) {
235:                expected.getDocumentElement().normalize();
236:                actual.getDocumentElement().normalize();
237:
238:                Diff diff = compareXML(expected, actual);
239:
240:                if (!diff.similar()) {
241:                    try {
242:                        System.out.println("expected:");
243:                        print(expected);
244:                        System.out.println("actual:");
245:                        print(actual);
246:                    } catch (Exception e) {
247:                        e.printStackTrace();
248:                    }
249:                }
250:
251:                assertEquals("Test if the assertion document is equal, "
252:                        + diff.toString(), true, diff.similar());
253:            }
254:
255:            public static Test suite() {
256:                TestSuite suite = new TestSuite("ParserProcessorTest");
257:
258:                try {
259:                    File directory = new File(ParserProcessorTestCase.class
260:                            .getResource("parser").getFile());
261:                    File[] files = directory.listFiles();
262:
263:                    for (int i = 0; i < files.length; i++)
264:                        if ((files[i].getName().endsWith(".xml")) /* && (files[i].getName().startsWith("test18"))*/) {
265:                            Document test = getDocument(files[i].toString(),
266:                                    new FileInputStream(files[i]));
267:
268:                            NodeList list = test.getDocumentElement()
269:                                    .getElementsByTagName("step");
270:                            for (int j = 0; j < list.getLength(); j++) {
271:                                Element step = (Element) list.item(j);
272:
273:                                suite.addTest(new ParserProcessorTestCase(
274:                                        "ParserProcessorTest "
275:                                                + files[i].getName() + ":"
276:                                                + step.getAttribute("name"),
277:                                        step));
278:                            }
279:                        }
280:                } catch (Exception e) {
281:                    e.printStackTrace();
282:                }
283:
284:                return suite;
285:            }
286:        }
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