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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing,
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package org.apache.wink.test.mock;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.InputStream;
import java.io.StringWriter;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.apache.wink.test.diff.DiffIgnoreUpdateWithAttributeQualifier;
import org.custommonkey.xmlunit.Diff;
import org.w3c.dom.Document;
public class TestUtils {
public static String packageToPath(String packageName) {
return packageName.replace(".", File.separator);
}
public static DocumentBuilder createDocumentBuilder() throws ParserConfigurationException {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(true);
return factory.newDocumentBuilder();
}
/**
* appends package to the name and returns it as stream.
*
* @param name
* @param cls TODO
* @return
*/
public static InputStream getResourceOfSamePackage(String name, Class<?> cls) {
String packagePath = packageToPath(cls.getPackage().getName());
return SpringMockServletInvocationTest.class.getClassLoader()
.getResourceAsStream(packagePath + File.separator + name);
}
public static byte[] getResourceOfSamePackageAsBytes(String name, Class<?> cls)
throws Exception {
InputStream resource = getResourceOfSamePackage(name, cls);
byte[] b = new byte[4096];
int read = resource.read(b);
byte[] result = new byte[read];
System.arraycopy(b, 0, result, 0, read);
return result;
}
/**
* returns xml from file. Xml must be located in the same package as the
* current class.
*
* @param fileName
* @param cls TODO
* @return
* @throws Exception
*/
protected static Document getXML(String fileName, Class<?> cls) throws Exception {
return createDocumentBuilder().parse(getResourceOfSamePackage(fileName, cls));
}
public static Document getXML(byte[] bs) throws Exception {
return createDocumentBuilder().parse(new ByteArrayInputStream(bs));
}
public static String diffIgnoreUpdateWithAttributeQualifier(String expectedFileName,
byte[] actual,
Class<?> cls) throws Exception {
Document xmlExpected = getXML(expectedFileName, cls);
Document xmlActual = getXML(actual);
Diff diff = new DiffIgnoreUpdateWithAttributeQualifier(xmlExpected, xmlActual);
if (diff.similar()) {
return null;
}
System.err.println("Expected:\r\n" + TestUtils.printPrettyXML(xmlExpected));
System.err.println("Actual:\r\n" + TestUtils.printPrettyXML(xmlActual));
return diff.toString();
}
public static String printPrettyXML(Document doc) throws Exception {
Transformer transformer = TransformerFactory.newInstance().newTransformer();
transformer.setOutputProperty("indent", "yes");
transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "3");
StringWriter output = new StringWriter();
transformer.transform(new DOMSource(doc), new StreamResult(output));
return output.toString();
}
}