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* 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
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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*/
package org.apache.bsf.testing.e4x;
import java.io.StringReader;
import javax.script.Bindings;
import javax.script.Invocable;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;
import javax.xml.stream.FactoryConfigurationError;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import junit.framework.TestCase;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.impl.builder.StAXOMBuilder;
import org.apache.bsf.xml.XMLHelper;
/**
* Tests a basic JavaScrip/E4X invocation
*/
public class HelloTestCase extends TestCase {
private XMLHelper xmlHelper;
private ScriptEngine engine;
public void testInvokeFunctionInXML() throws ScriptException, XMLStreamException, FactoryConfigurationError, NoSuchMethodException {
engine.eval("function isXML(xml) { return typeof xml == 'xml'; }" );
assertTrue(engine instanceof Invocable);
Invocable invocableScript = (Invocable) engine;
Object xmlIn = xmlHelper.toScriptXML(createOMElement("<a><b>petra</b></a>"));
Object o = invocableScript.invokeFunction("isXML", new Object[]{xmlIn});
assertTrue(o instanceof Boolean);
assertTrue(((Boolean)o).booleanValue());
}
public void testInvokeFunctionOutXML() throws ScriptException, XMLStreamException, FactoryConfigurationError, NoSuchMethodException {
engine.eval("function hello(xml) { return <foo>{xml.b}</foo>; }" );
assertTrue(engine instanceof Invocable);
Invocable invocableScript = (Invocable) engine;
Object xmlIn = xmlHelper.toScriptXML(createOMElement("<a><b>petra</b></a>"));
Object xmlOut = invocableScript.invokeFunction("hello", new Object[]{xmlIn});
OMElement omOut = xmlHelper.toOMElement(xmlOut);
assertEquals("<foo><b>petra</b></foo>", omOut.toString());
}
public void testE4X() throws ScriptException, XMLStreamException, FactoryConfigurationError {
Object o = xmlHelper.toScriptXML(createOMElement("<a><b>petra</b></a>"));
OMElement om = xmlHelper.toOMElement(o);
assertEquals("<a><b>petra</b></a>", om.toString());
Bindings bindings = engine.createBindings();
bindings.put("o", o);
Object x = engine.eval("typeof o", bindings);
assertEquals("xml", x);
}
protected OMElement createOMElement(String s) throws XMLStreamException, FactoryConfigurationError {
XMLStreamReader parser = XMLInputFactory.newInstance().createXMLStreamReader(new StringReader(s));
StAXOMBuilder builder = new StAXOMBuilder(parser);
OMElement om = builder.getDocumentElement();
return om;
}
protected void setUp() {
engine = new ScriptEngineManager().getEngineByExtension("js");
xmlHelper = XMLHelper.getArgHelper(engine);
}
}