/*
* Copyright 2002-2008 the original author or authors.
*
* Licensed 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.
*/
package org.springframework.util.xml;
import java.util.Properties;
import javax.xml.transform.ErrorListener;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.URIResolver;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* @author Rick Evans
* @author Arjen Poutsma
*/
public class TransformerUtilsTests {
@Test
public void enableIndentingSunnyDay() throws Exception {
Transformer transformer = new StubTransformer();
TransformerUtils.enableIndenting(transformer);
String indent = transformer.getOutputProperty(OutputKeys.INDENT);
assertNotNull(indent);
assertEquals("yes", indent);
String indentAmount = transformer.getOutputProperty("{http://xml.apache.org/xslt}indent-amount");
assertNotNull(indentAmount);
assertEquals(String.valueOf(TransformerUtils.DEFAULT_INDENT_AMOUNT), indentAmount);
}
@Test
public void enableIndentingSunnyDayWithCustomKosherIndentAmount() throws Exception {
final String indentAmountProperty = "10";
Transformer transformer = new StubTransformer();
TransformerUtils.enableIndenting(transformer, Integer.valueOf(indentAmountProperty));
String indent = transformer.getOutputProperty(OutputKeys.INDENT);
assertNotNull(indent);
assertEquals("yes", indent);
String indentAmount = transformer.getOutputProperty("{http://xml.apache.org/xslt}indent-amount");
assertNotNull(indentAmount);
assertEquals(indentAmountProperty, indentAmount);
}
@Test
public void disableIndentingSunnyDay() throws Exception {
Transformer transformer = new StubTransformer();
TransformerUtils.disableIndenting(transformer);
String indent = transformer.getOutputProperty(OutputKeys.INDENT);
assertNotNull(indent);
assertEquals("no", indent);
}
@Test(expected = IllegalArgumentException.class)
public void enableIndentingWithNullTransformer() throws Exception {
TransformerUtils.enableIndenting(null);
}
@Test(expected = IllegalArgumentException.class)
public void disableIndentingWithNullTransformer() throws Exception {
TransformerUtils.disableIndenting(null);
}
@Test(expected = IllegalArgumentException.class)
public void enableIndentingWithNegativeIndentAmount() throws Exception {
TransformerUtils.enableIndenting(new StubTransformer(), -21938);
}
@Test
public void enableIndentingWithZeroIndentAmount() throws Exception {
TransformerUtils.enableIndenting(new StubTransformer(), 0);
}
private static class StubTransformer extends Transformer {
private Properties outputProperties = new Properties();
@Override
public void transform(Source xmlSource, Result outputTarget) throws TransformerException {
throw new UnsupportedOperationException();
}
@Override
public void setParameter(String name, Object value) {
throw new UnsupportedOperationException();
}
@Override
public Object getParameter(String name) {
throw new UnsupportedOperationException();
}
@Override
public void clearParameters() {
throw new UnsupportedOperationException();
}
@Override
public void setURIResolver(URIResolver resolver) {
throw new UnsupportedOperationException();
}
@Override
public URIResolver getURIResolver() {
throw new UnsupportedOperationException();
}
@Override
public void setOutputProperties(Properties oformat) {
throw new UnsupportedOperationException();
}
@Override
public Properties getOutputProperties() {
return this.outputProperties;
}
@Override
public void setOutputProperty(String name, String value) throws IllegalArgumentException {
this.outputProperties.setProperty(name, value);
}
@Override
public String getOutputProperty(String name) throws IllegalArgumentException {
return this.outputProperties.getProperty(name);
}
@Override
public void setErrorListener(ErrorListener listener) throws IllegalArgumentException {
throw new UnsupportedOperationException();
}
@Override
public ErrorListener getErrorListener() {
throw new UnsupportedOperationException();
}
}
}