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/*
* Copyright (c) 2006, John Kristian
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of StAX-Utils nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
package javanet.staxutils;
import java.io.StringWriter;
import javax.xml.stream.XMLEventWriter;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
/**
* Test IndentingXMLEventWriter and IndentingXMLStreamWriter. Those two classes
* are expected to output identical XML, in all test cases.
*
* @author <a href="mailto:jk2006@engineer.com">John Kristian</a>
*/
public class IndentingTest extends TestCase {
/** Each test case is represented by an object. */
private static Case[] newCases() {
return new Case[] //
{ new Case("empty document") {
protected void test() throws Exception {
String expected = "";
String actual = getActual();
assertEquals(expected, actual);
}
}, new Case("empty element") {
protected void test() throws Exception {
stream.writeEmptyElement("alpha");
String expected = "<alpha />";
String actual = getActual();
assertEquals(expected, actual);
}
}, new Case("element in document") {
protected void test() throws Exception {
stream.writeStartDocument();
stream.writeStartElement("alpha");
stream.writeEndElement();
stream.writeEndDocument();
String expected = DECLARATION //
+ NL + "<alpha />" //
+ NL;
String actual = getActual();
if (!expected.equalsIgnoreCase(actual)) {
assertEquals(expected, actual);
}
}
}, new Case("nested elements; data-oriented; omit writeEndElement") {
protected void test() throws Exception {
stream.writeStartDocument();
stream.writeStartElement("alpha");
stream.writeStartElement("bravo");
stream.writeStartElement("charlie");
stream.writeStartElement("delta");
stream.writeStartElement("echo");
stream.writeEndElement(); // echo
stream.writeEndElement(); // delta
stream.writeStartElement("delta");
stream.writeCharacters("data");
stream.writeEndDocument();
String expected = DECLARATION //
+ NL + "<alpha>" //
+ NL + " <bravo>" //
+ NL + " <charlie>" //
+ NL + " <delta>" //
+ NL + " <echo />" //
+ NL + " </delta>" //
+ NL + " <delta>data</delta>" //
+ NL + " </charlie>" //
+ NL + " </bravo>" //
+ NL + "</alpha>" //
+ NL;
String actual = getActual();
if (!expected.equalsIgnoreCase(actual)) {
assertEquals(expected, actual);
}
}
}, new Case("DTD; mixed content; omit writeEndElement") {
protected void test() throws Exception {
stream.writeStartDocument();
stream.writeDTD("a DTD");
stream.writeStartElement("alpha");
stream.writeCharacters("data");
stream.writeStartElement("bravo");
stream.writeCharacters("data");
stream.writeEndDocument();
String expected = DECLARATION //
+ NL + "a DTD" //
+ NL + "<alpha>data<bravo>data</bravo></alpha>" //
+ NL;
String actual = getActual();
if (!expected.equalsIgnoreCase(actual)) {
assertEquals(expected, actual);
}
}
}, new Case("bizarre punctuation; processing instruction; comment") {
protected void test() throws Exception {
indenter.setNewLine(indenter.getNewLine() + "+");
indenter.setIndent(".");
stream.writeStartDocument();
stream.writeStartElement("jokes");
stream.writeProcessingInstruction("target", "data");
stream.writeStartElement("riddle");
final String Q = "Why did the chicken cross the road?";
final String A = "To get to the other side.";
stream.writeComment(Q);
stream.writeStartElement("answer");
stream.writeCharacters(A);
stream.writeEndDocument();
String expected = DECLARATION + "<jokes>" //
+ NL + "+.<?target data?>" //
+ NL + "+.<riddle>" //
+ NL + "+..<!--" + Q + "-->" //
+ NL + "+..<answer>" + A + "</answer>" //
+ NL + "+.</riddle>" //
+ NL + "+</jokes>";
String actual = getActual();
if (!expected.equalsIgnoreCase(actual)) {
assertEquals(expected, actual);
}
}
}, new Case("erroneous usage") {
protected void test() throws Exception {
try {
stream.writeCharacters("data");
fail();
} catch (XMLStreamException expected) {
} catch (IllegalStateException actual) {
}
try {
stream.writeEndElement();
fail();
} catch (XMLStreamException expected) {
}
stream.writeStartElement("x");
try {
stream.writeDTD("DTD");
fail();
} catch (XMLStreamException expected) {
}
try {
stream.writeStartDocument();
fail();
} catch (XMLStreamException expected) {
} catch (IllegalStateException actual) {
}
stream.writeEndDocument();
try {
stream.writeStartDocument();
fail();
} catch (XMLStreamException expected) {
} catch (IllegalStateException actual) {
}
try {
stream.writeDTD("DTD");
fail();
} catch (XMLStreamException expected) {
} catch (IllegalStateException actual) {
}
try {
stream.writeStartElement("y");
fail();
} catch (XMLStreamException expected) {
} catch (IllegalStateException actual) {
}
try {
stream.writeCharacters(null);
fail();
} catch (XMLStreamException expected) {
} catch (NullPointerException actual) {
}
stream.writeProcessingInstruction("target");
stream.writeComment("comment");
String expected = "<x>" //
+ NL + " " // before DTD
+ NL + " " // before StartDocument
+ NL + "</x>" //
+ NL + "<?target?>" //
+ NL + "<!--comment-->";
String actual = getActual();
assertEquals(expected, actual);
}
} };
}
private static abstract class Case extends TestCase {
protected Case(String name) {
super(name);
}
protected abstract void test() throws Exception;
protected Indentation indenter;
protected XMLStreamWriter stream;
protected static final String DECLARATION = "<?xml version='1.0' encoding='UTF-8'?>";
protected static final String NL = "\n";
protected String getActual() throws Exception {
stream.flush();
writer.flush();
return writer.toString();
}
private StringWriter writer = new StringWriter();
public void runBare() throws Throwable {
test();
}
public String getName() {
return prefix + super.getName();
}
private String prefix;
}
/**
* Construct a TestSuite that applies each test case to an
* IndentingXMLStreamWriter and an IndentingXMLEventWriter.
*/
public static Test suite() throws Exception {
TestSuite s = new TestSuite();
XMLOutputFactory outputFactory = new StaxUtilsXMLOutputFactory();
outputFactory.setProperty(StaxUtilsXMLOutputFactory.INDENTING, Boolean.TRUE);
Case[] cases = newCases();
for (int c = 0; c < cases.length; ++c) {
Case thisCase = cases[c];
XMLStreamWriter subject = outputFactory.createXMLStreamWriter(thisCase.writer);
thisCase.indenter = (Indentation) subject;
thisCase.stream = subject;
thisCase.prefix = "Stream ";
s.addTest(thisCase);
}
cases = newCases();
for (int c = 0; c < cases.length; ++c) {
Case thisCase = cases[c];
XMLEventWriter subject = outputFactory.createXMLEventWriter(thisCase.writer);
thisCase.indenter = (Indentation) subject;
thisCase.stream = new XMLEventStreamWriter(subject);
thisCase.prefix = "Event ";
s.addTest(thisCase);
}
assertEquals("factory.indent", Boolean.TRUE, outputFactory
.getProperty(StaxUtilsXMLOutputFactory.INDENTING));
return s;
}
}
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