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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.
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package org.apache.tuscany.sca.policy.xml;
import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.io.InputStream;
import java.net.URL;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamReader;
import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXArtifactProcessor;
import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
import org.apache.tuscany.sca.contribution.resolver.DefaultModelResolver;
import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
import org.apache.tuscany.sca.policy.BindingType;
import org.apache.tuscany.sca.policy.ExtensionType;
import org.apache.tuscany.sca.policy.ExternalAttachment;
import org.apache.tuscany.sca.policy.ImplementationType;
import org.apache.tuscany.sca.policy.Intent;
import org.apache.tuscany.sca.policy.IntentMap;
import org.apache.tuscany.sca.policy.PolicySet;
import org.apache.tuscany.sca.policy.Qualifier;
import org.junit.Before;
import org.junit.Test;
/**
* Test reading SCA XML assembly documents.
*
* @version $Rev$ $Date$
*/
public class ReadDocumentTestCase {
private ModelResolver resolver;
private StAXArtifactProcessor<Object> staxProcessor;
private ProcessorContext context;
private static final QName elementToProcess =
new QName("http://docs.oasis-open.org/ns/opencsa/sca/200912", "implementationType");
private Map<QName, Intent> intentTable = new Hashtable<QName, Intent>();
private Map<QName, PolicySet> policySetTable = new Hashtable<QName, PolicySet>();
private Map<QName, BindingType> bindingTypesTable = new Hashtable<QName, BindingType>();
private Map<QName, ImplementationType> implTypesTable = new Hashtable<QName, ImplementationType>();
private Map<QName, ExternalAttachment> attachmentsTable = new Hashtable<QName, ExternalAttachment>();
private static final String scaNamespace = "http://docs.oasis-open.org/ns/opencsa/sca/200912";
private static final String namespace = "http://test";
private static final QName confidentiality = new QName(namespace, "confidentiality");
private static final QName integrity = new QName(namespace, "integrity");
private static final QName messageProtection = new QName(namespace, "messageProtection");
private static final QName confidentiality_transport = new QName(namespace, "confidentiality.transport");
private static final QName confidentiality_message = new QName(namespace, "confidentiality.message");
private static final QName secureReliablePolicy = new QName(namespace, "SecureReliablePolicy");
private static final QName secureMessagingPolicies = new QName(namespace, "SecureMessagingPolicies");
private static final QName securityPolicy = new QName(namespace, "SecurityPolicy");
private static final QName basicAuthMsgProtSecurity = new QName(namespace, "BasicAuthMsgProtSecurity");
private static final QName wsBinding = new QName(scaNamespace, "binding.ws");
private static final QName javaImpl = new QName(scaNamespace, "implementation.java");
private static final QName testPolicySetOne = new QName(namespace, "TestPolicySetOne");
@Before
public void setUp() throws Exception {
DefaultExtensionPointRegistry extensionPoints = new DefaultExtensionPointRegistry();
resolver = new DefaultModelResolver();
context = new ProcessorContext(extensionPoints);
XMLInputFactory inputFactory = XMLInputFactory.newInstance();
StAXArtifactProcessorExtensionPoint staxProcessors =
extensionPoints.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class);
staxProcessor = new ExtensibleStAXArtifactProcessor(staxProcessors, inputFactory, null);
staxProcessors.addArtifactProcessor(new TestPolicyProcessor());
URL url = getClass().getResource("test_definitions.xml");
InputStream urlStream = url.openStream();
XMLStreamReader reader = inputFactory.createXMLStreamReader(urlStream);
reader.next();
//position on the right element qname to get processed
while (reader.hasNext()) {
reader.next();
int event = reader.getEventType();
if (event == START_ELEMENT && reader.getName().equals(elementToProcess)) {
break;
}
}
while (true) {
int event = reader.getEventType();
switch (event) {
case START_ELEMENT: {
Object artifact = staxProcessor.read(reader, context);
if (artifact instanceof PolicySet) {
PolicySet policySet = (PolicySet)artifact;
policySet.setName(new QName(namespace, policySet.getName().getLocalPart()));
policySetTable.put(policySet.getName(), policySet);
} else if (artifact instanceof Intent) {
Intent intent = (Intent)artifact;
intent.setName(new QName(namespace, intent.getName().getLocalPart()));
intentTable.put(intent.getName(), intent);
for (Intent i : intent.getQualifiedIntents()) {
i.setName(new QName(namespace, i.getName().getLocalPart()));
intentTable.put(i.getName(), i);
resolver.addModel(i, context);
}
} else if (artifact instanceof BindingType) {
BindingType bindingType = (BindingType)artifact;
bindingTypesTable.put(bindingType.getType(), bindingType);
} else if (artifact instanceof ImplementationType) {
ImplementationType implType = (ImplementationType)artifact;
implTypesTable.put(implType.getType(), implType);
} else if ( artifact instanceof ExternalAttachment) {
ExternalAttachment attachment = (ExternalAttachment)artifact;
attachmentsTable.put(attachment.getPolicySets().get(0).getName(), attachment);
}
if (artifact != null) {
resolver.addModel(artifact, context);
}
break;
}
}
if (reader.hasNext()) {
reader.next();
} else {
break;
}
}
urlStream.close();
}
@Test
public void testReadSCADefinitions() throws Exception {
assertNotNull(intentTable.get(confidentiality));
assertNotNull(intentTable.get(messageProtection));
assertNotNull(intentTable.get(confidentiality_transport));
assertTrue(intentTable.get(confidentiality).getDescription().length() > 0);
assertNotNull(policySetTable.get(secureReliablePolicy));
assertTrue(policySetTable.get(secureReliablePolicy).getProvidedIntents().size() == 2);
assertTrue(policySetTable.get(secureReliablePolicy).getPolicies().size() == 2);
assertNotNull(policySetTable.get(secureMessagingPolicies));
assertEquals(2, policySetTable.get(secureMessagingPolicies).getIntentMaps().get(0).getQualifiers().get(0).getPolicies().size());
assertEquals(bindingTypesTable.size(), 1);
assertNotNull(bindingTypesTable.get(wsBinding));
assertEquals(implTypesTable.size(), 1);
assertNotNull(implTypesTable.get(javaImpl));
// Test external attachments
assertEquals(1, attachmentsTable.size());
assertNotNull(attachmentsTable.get(policySetTable.get(testPolicySetOne).getName()));
}
private int getNumberOfQualifiedPolicies(PolicySet policySet) {
int count = 0;
for(IntentMap intentMap: policySet.getIntentMaps()) {
for(Qualifier q: intentMap.getQualifiers()) {
count += q.getPolicies().size();
}
}
return count;
}
@Test
public void testResolution() throws Exception {
assertTrue(!intentTable.get(messageProtection).getRequiredIntents().isEmpty());
Intent profileIntent = intentTable.get(new QName(namespace, "messageProtection"));
assertNull(profileIntent.getRequiredIntents().get(0).getDescription());
QName confidentiality_transport = new QName(namespace, "confidentiality.transport");
assertTrue(intentTable.get(confidentiality_transport) instanceof Intent);
Intent qualifiedIntent = (Intent)intentTable.get(new QName(namespace, "confidentiality.transport"));
assertNull(qualifiedIntent.getDescription());
assertNotNull(qualifiedIntent.getQualifiableIntent().getDescription());
PolicySet secureReliablePolicySet = policySetTable.get(secureReliablePolicy);
PolicySet secureMessagingPolicySet = policySetTable.get(secureMessagingPolicies);
PolicySet securityPolicySet = policySetTable.get(securityPolicy);
assertEquals(secureReliablePolicySet.getProvidedIntents().get(1).getName(), integrity);
assertNull(secureReliablePolicySet.getProvidedIntents().get(1).getDescription());
assertTrue(secureMessagingPolicySet.isUnresolved());
assertEquals(2, getNumberOfQualifiedPolicies(securityPolicySet));
//testing to ensure that inclusion of referred policy sets has not happened
PolicySet basicAuthMsgProtSecurityPolicySet = policySetTable.get(basicAuthMsgProtSecurity);
assertTrue(basicAuthMsgProtSecurityPolicySet.getPolicies().isEmpty());
assertTrue(basicAuthMsgProtSecurityPolicySet.getIntentMaps().isEmpty());
ExtensionType wsBindingType = bindingTypesTable.get(wsBinding);
assertNull(wsBindingType.getAlwaysProvidedIntents().get(0).getDescription());
assertNull(wsBindingType.getMayProvidedIntents().get(0).getDescription());
ExtensionType javaImplType = implTypesTable.get(javaImpl);
assertNull(javaImplType.getAlwaysProvidedIntents().get(0).getDescription());
assertNull(javaImplType.getMayProvidedIntents().get(0).getDescription());
ExternalAttachment attachment = attachmentsTable.values().iterator().next();
PolicySet psOne = policySetTable.get(testPolicySetOne);
assertEquals(psOne, attachment.getPolicySets().get(0));
List<Intent> intents = new ArrayList<Intent>(intentTable.values());
for (Intent intent : intents) {
staxProcessor.resolve(intent, resolver, context);
}
for (PolicySet policySet : policySetTable.values()) {
if (policySet.getReferencedPolicySets().isEmpty())
staxProcessor.resolve(policySet, resolver, context);
}
for (PolicySet policySet : policySetTable.values()) {
if (!policySet.getReferencedPolicySets().isEmpty())
staxProcessor.resolve(policySet, resolver, context);
}
for (ExtensionType bindingType : bindingTypesTable.values()) {
staxProcessor.resolve(bindingType, resolver, context);
}
for (ExtensionType implType : implTypesTable.values()) {
staxProcessor.resolve(implType, resolver, context);
}
for ( ExternalAttachment ea : attachmentsTable.values()) {
staxProcessor.resolve(ea, resolver, context);
}
//testing if policy intents have been linked have property been linked up
assertNotNull(profileIntent.getRequiredIntents().get(0).getDescription());
assertNotNull(qualifiedIntent.getQualifiableIntent().getDescription());
assertEquals(secureReliablePolicySet.getProvidedIntents().get(1).getName(), integrity);
assertNotNull(secureReliablePolicySet.getProvidedIntents().get(1).getDescription());
//testing if policysets have been properly linked up with intents
assertFalse(secureMessagingPolicySet.isUnresolved());
assertTrue(isRealizedBy(secureMessagingPolicySet, intentTable.get(confidentiality)));
assertTrue(isRealizedBy(secureMessagingPolicySet, intentTable.get(confidentiality_transport)));
//testing if intent maps have been properly mapped to policies
assertFalse(securityPolicySet.isUnresolved());
assertTrue(isRealizedBy(securityPolicySet, intentTable.get(confidentiality)));
assertTrue(isRealizedBy(securityPolicySet, intentTable.get(confidentiality_message)));
//testing for inclusion of referred policysets
assertFalse(basicAuthMsgProtSecurityPolicySet.getPolicies().isEmpty());
assertFalse(basicAuthMsgProtSecurityPolicySet.getIntentMaps().isEmpty());
assertTrue(isRealizedBy(basicAuthMsgProtSecurityPolicySet, intentTable.get(confidentiality_transport)));
assertNotNull(wsBindingType.getAlwaysProvidedIntents().get(0).getDescription());
assertNotNull(wsBindingType.getMayProvidedIntents().get(0).getDescription());
assertNotNull(javaImplType.getAlwaysProvidedIntents().get(0).getDescription());
assertNotNull(javaImplType.getMayProvidedIntents().get(0).getDescription());
}
private boolean isRealizedBy(PolicySet policySet, Intent intent) {
if (intent.getName().getLocalPart().indexOf('.') == -1) {
return policySet.getProvidedIntents().contains(intent);
}
for (IntentMap map : policySet.getIntentMaps()) {
for (Qualifier q : map.getQualifiers()) {
if (q.getIntent().equals(intent)) {
return true;
}
}
}
return false;
}
}