/*****************************************************************************
* Copyright (C) The Apache Software Foundation. All rights reserved. *
* ------------------------------------------------------------------------- *
* This software is published under the terms of the Apache Software License *
* version 1.1, a copy of which has been included with this distribution in *
* the LICENSE file. *
*****************************************************************************/
package org.apache.batik.test.xml;
import java.io.File;
import java.io.StringWriter;
import java.io.PrintWriter;
import java.net.URL;
import java.net.MalformedURLException;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.util.Vector;
import org.apache.batik.test.DefaultTestSuite;
import org.apache.batik.test.TestReport;
import org.apache.batik.test.TestSuite;
import org.apache.batik.test.Test;
import org.apache.batik.test.TestException;
import org.apache.batik.test.TestReportProcessor;
import org.apache.batik.dom.util.DocumentFactory;
import org.apache.batik.dom.util.SAXDocumentFactory;
import org.apache.batik.dom.svg.SVGDOMImplementation;
import org.xml.sax.InputSource;
import org.w3c.dom.Element;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
/**
* This class loads an XML document describing a test suite
* into a <tt>TestSuite</tt> object.
*
* @author <a href="mailto:vhardy@apache.org">Vincent Hardy</a>
* @version $Id: XMLTestSuiteLoader.java,v 1.1 2001/04/20 06:36:15 vhardy Exp $
*/
public class XMLTestSuiteLoader implements XTSConstants {
/**
* Configuration parameter. Use same parser as XMLTestSuiteRunner
*/
public static final String XML_PARSER =
"XMLTestSuiteRunner.config.xml.parser";
/**
* An error happened while loading a test suite document.
* {0} : the <testSuite> href value.
* {1} : the exception's class name
* {2} : exception's message
* {3} : exception's stack trace
*/
public static final String TEST_SUITE_LOADING_EXCEPTION
= "xml.XMLTestSuiteLoader.error.test.suite.loading.exception";
/**
* An error happened while processing a <tt>Test</tt>
* description.
* {0} : the <test> "className" attribute value
* {1} : exception's class name
* {2} : exception's message
* {3} : exception's stack trace
*/
public static final String CANNOT_CREATE_TEST
= "xml.XMLTestSuiteLoader.error.cannot.create.test";
/**
* Load the test suite defined by the input URI
*/
public static TestSuite loadTestSuite(String testSuiteURI)
throws TestException{
Document testSuiteDocument = loadTestSuiteDocument(testSuiteURI);
return buildTestSuite(testSuiteDocument.getDocumentElement());
}
/**
* Loads the URI as a <tt>Document</tt>
*/
protected static Document loadTestSuiteDocument(String testSuiteURI)
throws TestException{
DocumentFactory df
= new SAXDocumentFactory(SVGDOMImplementation.getDOMImplementation(),
Messages.formatMessage(XML_PARSER, null));
Document doc = null;
try{
URL url = new URL(testSuiteURI);
doc = df.createDocument(null,
XTS_TEST_SUITE_TAG,
url.toString(),
url.openStream());
}catch(Exception e){
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
e.printStackTrace(pw);
throw new TestException(TEST_SUITE_LOADING_EXCEPTION,
new Object[] { testSuiteURI,
e.getClass().getName(),
e.getMessage(),
sw.toString() },
e);
}
return doc;
}
/**
* Builds a <tt>TestSuite</tt> from an input element.
* This method assumes that element is a <testSuite>
* instance, as the input document should have been
* validated when loaded.
*/
protected static TestSuite buildTestSuite(Element element)
throws TestException {
DefaultTestSuite testSuite
= new DefaultTestSuite();
String suiteName
= element.getAttributeNS(null,
XTS_NAME_ATTRIBUTE);
testSuite.setName(suiteName + " -- " + testSuite.getName());
NodeList children = element.getChildNodes();
if(children != null && children.getLength() > 0){
int n = children.getLength();
for(int i=0; i<n; i++){
Node child = children.item(i);
if(child.getNodeType() == Node.ELEMENT_NODE){
Element childElement = (Element)child;
String tagName = childElement.getTagName().intern();
if(tagName == XTS_TEST_TAG){
Test t = buildTest(childElement);
testSuite.addTest(t);
}
}
}
}
return testSuite;
}
protected static Test buildTest(Element element) throws TestException {
try{
return (Test)XMLReflect.buildObject(element);
}catch (Exception e) {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
e.printStackTrace(pw);
throw new TestException(CANNOT_CREATE_TEST,
new Object[] { element.getAttributeNS(null, XR_CLASS_ATTRIBUTE),
e.getClass().getName(),
e.getMessage(),
sw.toString() },
e);
}
}
}