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PrettyPrintXmlWriterTest.java
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PrettyPrintXmlWriterTest.java
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package org.apache.maven.shared.utils.xml;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import java.io.IOException;
import java.io.StringWriter;
import javax.swing.text.html.HTML;
import org.apache.maven.shared.utils.StringUtils;
import org.junit.Assert;
import org.junit.Test;
/**
* Test of {@link PrettyPrintXMLWriter}
*
* @author <a href="mailto:vincent.siveton@gmail.com">Vincent Siveton</a>
*/
public class PrettyPrintXmlWriterTest
{
private StringWriter w = new StringWriter();;
private PrettyPrintXMLWriter writer = new PrettyPrintXMLWriter( w );
@Test
public void testNoStartTag() throws IOException
{
try {
writer.startElement( "" );
Assert.fail( "allowed empty name" );
} catch ( IllegalArgumentException ex ) {
Assert.assertEquals( "Element name cannot be empty", ex.getMessage() );
}
}
@Test
public void testDefaultPrettyPrintXMLWriter() throws IOException
{
writer.startElement( HTML.Tag.HTML.toString() );
writeXhtmlHead( writer );
writeXhtmlBody( writer );
writer.endElement(); // Tag.HTML
Assert.assertEquals( expectedResult(), w.toString() );
}
@Test
public void testPrettyPrintXMLWriterWithGivenLineSeparator() throws IOException
{
writer.setLineSeparator( "\n" );
writer.startElement( HTML.Tag.HTML.toString() );
writeXhtmlHead( writer );
writeXhtmlBody( writer );
writer.endElement(); // Tag.HTML
Assert.assertEquals( expectedResult(), w.toString() );
}
@Test
public void testPrettyPrintXMLWriterWithGivenLineIndenter() throws IOException
{
writer.setLineIndenter( " " );
writer.startElement( HTML.Tag.HTML.toString() );
writeXhtmlHead( writer );
writeXhtmlBody( writer );
writer.endElement(); // Tag.HTML
Assert.assertEquals( expectedResult( " " ), w.toString() );
}
@Test
public void testEscapeXmlAttributeWindows() throws IOException
{
// Windows
writer.startElement( HTML.Tag.DIV.toString() );
writer.addAttribute( "class", "sect\r\nion" );
writer.endElement(); // Tag.DIV
Assert.assertEquals( "<div class=\"sect ion\"/>", w.toString() );
}
@Test
public void testEscapeXmlAttributeMac() throws IOException
{
// Mac
writer.startElement( HTML.Tag.DIV.toString() );
writer.addAttribute( "class", "sect\rion" );
writer.endElement(); // Tag.DIV
Assert.assertEquals( "<div class=\"sect ion\"/>", w.toString() );
}
@Test
public void testEscapeXmlAttributeTrailingCR() throws IOException
{
// Mac
writer.startElement( HTML.Tag.DIV.toString() );
writer.addAttribute( "class", "section\r" );
writer.endElement(); // Tag.DIV
Assert.assertEquals( "<div class=\"section \"/>", w.toString() );
}
@Test
public void testEscapeXmlAttributeUnix() throws IOException
{
// Unix
writer.startElement( HTML.Tag.DIV.toString() );
writer.addAttribute( "class", "sect\nion" );
writer.endElement(); // Tag.DIV
Assert.assertEquals( "<div class=\"sect ion\"/>", w.toString() );
}
private void writeXhtmlHead( XMLWriter writer ) throws IOException
{
writer.startElement( HTML.Tag.HEAD.toString() );
writer.startElement( HTML.Tag.TITLE.toString() );
writer.writeText( "title" );
writer.endElement(); // Tag.TITLE
writer.startElement( HTML.Tag.META.toString() );
writer.addAttribute( "name", "author" );
writer.addAttribute( "content", "Author" );
writer.endElement(); // Tag.META
writer.startElement( HTML.Tag.META.toString() );
writer.addAttribute( "name", "date" );
writer.addAttribute( "content", "Date" );
writer.endElement(); // Tag.META
writer.endElement(); // Tag.HEAD
}
private void writeXhtmlBody( XMLWriter writer ) throws IOException
{
writer.startElement( HTML.Tag.BODY.toString() );
writer.startElement( HTML.Tag.P.toString() );
writer.writeText( "Paragraph 1, line 1. Paragraph 1, line 2." );
writer.endElement(); // Tag.P
writer.startElement( HTML.Tag.DIV.toString() );
writer.addAttribute( "class", "section" );
writer.startElement( HTML.Tag.H2.toString() );
writer.writeText( "Section title" );
writer.endElement(); // Tag.H2
writer.endElement(); // Tag.DIV
writer.endElement(); // Tag.BODY
}
private static String expectedResult()
{
return expectedResult( " " );
}
private static String expectedResult( String lineIndenter )
{
String lineSeparator = "\n";
StringBuilder expected = new StringBuilder();
expected.append( "<html>" ).append( lineSeparator );
expected.append( StringUtils.repeat( lineIndenter, 1 ) ).append( "<head>" ).append( lineSeparator );
expected.append( StringUtils.repeat( lineIndenter, 2 ) ).append( "<title>title</title>" )
.append( lineSeparator );
expected.append( StringUtils.repeat( lineIndenter, 2 ) )
.append( "<meta name=\"author\" content=\"Author\"/>" ).append( lineSeparator );
expected.append( StringUtils.repeat( lineIndenter, 2 ) ).append( "<meta name=\"date\" content=\"Date\"/>" )
.append( lineSeparator );
expected.append( StringUtils.repeat( lineIndenter, 1 ) ).append( "</head>" ).append( lineSeparator );
expected.append( StringUtils.repeat( lineIndenter, 1 ) ).append( "<body>" ).append( lineSeparator );
expected.append( StringUtils.repeat( lineIndenter, 2 ) )
.append( "<p>Paragraph 1, line 1. Paragraph 1, line 2.</p>" ).append( lineSeparator );
expected.append( StringUtils.repeat( lineIndenter, 2 ) ).append( "<div class=\"section\">" )
.append( lineSeparator );
expected.append( StringUtils.repeat( lineIndenter, 3 ) ).append( "<h2>Section title</h2>" )
.append( lineSeparator );
expected.append( StringUtils.repeat( lineIndenter, 2 ) ).append( "</div>" ).append( lineSeparator );
expected.append( StringUtils.repeat( lineIndenter, 1 ) ).append( "</body>" ).append( lineSeparator );
expected.append( "</html>" );
return expected.toString();
}
}