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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
* "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
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package org.apache.ode.bpel.elang.xpath20.runtime;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import java.net.URI;
import java.net.URL;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import javax.xml.namespace.QName;
import org.apache.ode.bpel.common.FaultException;
import org.apache.ode.bpel.compiler.bom.Expression;
import org.apache.ode.bpel.elang.xpath20.compiler.XPath20ExpressionCompilerBPEL20;
import org.apache.ode.bpel.elang.xpath20.o.OXPath20ExpressionBPEL20;
import org.apache.ode.bpel.explang.EvaluationContext;
import org.apache.ode.bpel.o.OExpression;
import org.apache.ode.bpel.o.OLink;
import org.apache.ode.bpel.o.OMessageVarType.Part;
import org.apache.ode.bpel.o.OProcess.OProperty;
import org.apache.ode.bpel.o.OScope.Variable;
import org.apache.ode.utils.DOMUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
public class XPath20ExpressionRuntimeTest implements EvaluationContext {
private XPath20ExpressionRuntime _runtime;
private Map<String, Node> _vars;
private XPath20ExpressionCompilerBPEL20 _compiler;
private MockCompilerContext _cc;
private Document _vardoc;
private Node _rootNode;
public XPath20ExpressionRuntimeTest() {}
@Before
public void setUp() throws Exception {
_vars = new HashMap<String, Node>();
_cc = new MockCompilerContext();
_runtime = new XPath20ExpressionRuntime();
_runtime.initialize(new HashMap());
_compiler = new XPath20ExpressionCompilerBPEL20();
_compiler.setCompilerContext(_cc);
_vardoc = DOMUtils.parse(getClass().getResourceAsStream("/xpath20/variables.xml"));
NodeList variables = _vardoc.getDocumentElement().getChildNodes();
for (int i = 0; i < variables.getLength(); ++i) {
Node n = variables.item(i);
if (n.getNodeType()!=Node.ELEMENT_NODE)
continue;
Element v = (Element) n;
v.normalize();
if (v.getLocalName().equals("elementVar")) {
String name = v.getAttribute("name");
Node cn = v.getFirstChild();
while (cn != null && cn.getNodeType() != Node.ELEMENT_NODE)
cn = cn.getNextSibling();
Element el = (Element)cn;
_cc.registerElementVar(name, new QName(el.getNamespaceURI(),el.getLocalName()));
_vars.put(name,el);
} else if (v.getLocalName().equals("messageTypeVar")) {
String name = v.getAttribute("name");
Node cn = v.getFirstChild();
while (cn != null && cn.getNodeType() != Node.ELEMENT_NODE)
cn = cn.getNextSibling();
Element el = (Element)cn;
java.util.List<String> partNames=new java.util.Vector<String>();
java.util.List<QName> partTypes=new java.util.Vector<QName>();
NodeList nl=el.getChildNodes();
for (int j=0; j < nl.getLength(); j++) {
Node partNode=nl.item(j);
if (partNode instanceof Element) {
partNames.add(partNode.getLocalName());
partNode.normalize();
Node body=((Element)partNode).getFirstChild();
while (body != null && (body instanceof Element) == false) {
body = body.getNextSibling();
}
if (body != null) {
QName partType=new QName(((Element)body).getNamespaceURI(),
((Element)body).getLocalName());
partTypes.add(partType);
}
}
}
_cc.registerMessageTypeVar(name, new QName(el.getNamespaceURI(),el.getLocalName()),
partNames, partTypes);
_vars.put(name,el);
}
}
}
@After
public void tearDown() throws Exception {
_vars = null;
_cc = null;
_runtime = null;
_compiler = null;
_vardoc = null;
}
@Test
public void testCompilation() throws Exception {
compile("$foo");
}
@Test
public void testVariableSelection() throws Exception {
OXPath20ExpressionBPEL20 exp = compile("$foo");
Node retVal = _runtime.evaluateNode(exp, this);
assertNotNull(retVal);
assertSame(retVal , _vars.get("foo"));
assertSame(retVal.getOwnerDocument(),_vardoc);
}
@Test
public void testVariableSelectionEmpty() throws Exception {
OXPath20ExpressionBPEL20 exp = compile("$emptyVar");
Node retVal = _runtime.evaluateNode(exp, this);
assertNotNull(retVal);
assertSame(retVal , _vars.get("emptyVar"));
assertTrue(DOMUtils.getFirstChildElement((Element)retVal).getLocalName().equals("empty"));
}
@Test
public void testVariableSelectionReallyEmpty() throws Exception {
OXPath20ExpressionBPEL20 exp = compile("$reallyEmptyVar");
Node retVal = _runtime.evaluateNode(exp, this);
assertNotNull(retVal);
assertSame(retVal , _vars.get("reallyEmptyVar"));
assertNull(DOMUtils.getFirstChildElement((Element)retVal));
}
@Test
public void testXpathDocFunction() throws Exception {
URL url = getClass().getResource("/xpath20/variables.xml");
OXPath20ExpressionBPEL20 exp = compile("doc('" + url.toExternalForm() + "')");
Node retVal = _runtime.evaluateNode(exp, this);
assertNotNull(retVal);
assertEquals("Unexpected root node", "variables", retVal.getNodeName());
}
@Test
public void testMessageTypeVariableSelection() throws Exception {
OXPath20ExpressionBPEL20 exp = compile("$messageVar.parameters");
Node retVal = _runtime.evaluateNode(exp, this);
assertNotNull(retVal);
assertSame(retVal , _vars.get("messageVar"));
assertSame(retVal.getOwnerDocument(),_vardoc);
}
@Test
public void testMessageInsertMissingData() throws Exception {
String insertElementName="InsertedNode";
OXPath20ExpressionBPEL20 exp = compile("$messageVar.parameters/"+insertElementName);
exp.insertMissingData = true;
// Setup root node
_rootNode = DOMUtils.stringToDOM("<message><parameters>" +
"<tns:ApplicationData xmlns:tns=\"http://foobar\"/></parameters></message>");
java.util.List<?> list = _runtime.evaluate(exp, this);
if (list == null || list.size() != 0) {
fail("List should have no elements");
}
if (((Element)_rootNode).getElementsByTagName(insertElementName).getLength() != 1) {
fail("Missing '"+insertElementName+"' element has not been inserted");
}
}
@Test
public void testVariableInsertMissingData() throws Exception {
String insertElementName="InsertedNode";
OXPath20ExpressionBPEL20 exp = compile("$reallyEmptyVar/"+insertElementName);
exp.insertMissingData = true;
// Setup root node
_rootNode = DOMUtils.stringToDOM("<tns:ApplicationData xmlns:tns=\"http://foobar\"/>");
java.util.List<?> list = _runtime.evaluate(exp, this);
if (list == null || list.size() != 0) {
fail("List should have no elements");
}
if (((Element)_rootNode).getElementsByTagName(insertElementName).getLength() != 1) {
fail("Missing '"+insertElementName+"' element has not been inserted");
}
}
public Node readVariable(Variable variable, Part part) throws FaultException {
return _vars.get(variable.name);
}
public Node getPartData(Element message, Part part) throws FaultException {
// TODO Auto-generated method stub
return null;
}
public String readMessageProperty(Variable variable, OProperty property) throws FaultException {
// TODO Auto-generated method stub
return null;
}
public boolean isLinkActive(OLink olink) throws FaultException {
// TODO Auto-generated method stub
return false;
}
public Node getRootNode() {
return _rootNode;
}
public Node evaluateQuery(Node root, OExpression expr) throws FaultException {
// TODO Auto-generated method stub
return null;
}
public Long getProcessId() {
// TODO Auto-generated method stub
return null;
}
public boolean narrowTypes() {
return true;
}
private OXPath20ExpressionBPEL20 compile(String xpath) {
Document doc = DOMUtils.newDocument();
Element e = doc.createElementNS(null, "expression");
doc.appendChild(e);
e.appendChild(doc.createTextNode(xpath));
Expression exp = new Expression(e);
return (OXPath20ExpressionBPEL20)_compiler.compileLValue(exp);
}
public URI getBaseResourceURI() {
return null;
}
public Node getPropertyValue(QName propertyName) {
return null;
}
public QName getProcessQName() {
return null;
}
public Date getCurrentEventDateTime() {
return null;
}
}