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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
* under the License.
*/
package org.apache.tuscany.sca.implementation.guardian;
import java.io.FileInputStream;
import org.apache.tuscany.sca.implementation.guardian.common.ResolutionTreeUtils;
import java.util.Collection;
import java.util.LinkedList;
import java.util.Map;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamReader;
import org.junit.Test;
import org.apache.axiom.om.OMElement;
import java.util.List;
import junit.framework.Assert;
import org.apache.tuscany.sca.implementation.guardian.xml.ResolutionTreesProcessor;
import org.junit.Before;
public class LCATestCase {
private ResolutionTreeUtils treeUtils;
@Before
public void init() throws Exception {
ResolutionTreesProcessor processor = new ResolutionTreesProcessor();
FileInputStream fileInputStream = new FileInputStream("src/main/resources/org/apache/" +
"tuscany/sca/implementation/guardian/lcaTest.xml");
XMLStreamReader reader = XMLInputFactory.newInstance().createXMLStreamReader(fileInputStream);
ResolutionTrees policy = processor.read(reader);
Map<String, OMElement> resolutionTrees = policy.getResolutionTreeElements();
List<OMElement> rootElements = getRootElements(resolutionTrees.values());
treeUtils = new ResolutionTreeUtils();
treeUtils.setRoot(rootElements.get(0));
}
@Test
public void testLCAEx2Ex2() throws Exception {
String lca = treeUtils.getLowestCommonAncestor("Exception2", "Exception2");
System.out.println("lca: " + lca);
Assert.assertEquals("Exception2", lca);
}
@Test
public void testLCAEx2Ex3() throws Exception {
String lca = treeUtils.getLowestCommonAncestor("Exception2", "Exception3");
Assert.assertEquals("Exception1", lca);
}
@Test
public void testLCAEx2Ex8() throws Exception {
String lca = treeUtils.getLowestCommonAncestor("Exception2", "Exception8");
Assert.assertEquals("Exception1", lca);
}
@Test
public void testLCAEx4Ex3() throws Exception {
String lca = treeUtils.getLowestCommonAncestor("Exception4", "Exception3");
Assert.assertEquals("Exception1", lca);
}
@Test
public void testLCAEx4Ex5() throws Exception {
String lca = treeUtils.getLowestCommonAncestor("Exception4", "Exception5");
Assert.assertEquals("Exception2", lca);
}
@Test
public void testLCAEx6Ex7() throws Exception {
String lca = treeUtils.getLowestCommonAncestor("Exception6", "Exception7");
Assert.assertEquals("Exception3", lca);
}
@Test
public void testLCAEx1Ex8() throws Exception {
String lca = treeUtils.getLowestCommonAncestor("Exception1", "Exception8");
Assert.assertEquals("Exception1", lca);
}
@Test
public void testLCAEx2Ex5() throws Exception {
String lca = treeUtils.getLowestCommonAncestor("Exception2", "Exception5");
Assert.assertEquals("Exception2", lca);
}
private List<OMElement> getRootElements(Collection<OMElement> resolutionTrees) {
List<OMElement> rootElements = new LinkedList<OMElement>();
for (OMElement resolutionTree : resolutionTrees) {
rootElements.add(resolutionTree.getFirstElement());
}
return rootElements;
}
}
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