Apache CXF example source code file (EndpointPolicyImplTest.java)

This example Apache CXF source code file (EndpointPolicyImplTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Apache CXF tags/keywords

all, arraylist, class, endpointpolicyimpl, endpointpolicyimpl, list, list, message, method, policy, policy, qname, qname, reflection, test, util

The Apache CXF EndpointPolicyImplTest.java source code

/**
 * 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.cxf.ws.policy;

import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

import javax.xml.namespace.QName;

import org.apache.cxf.Bus;
import org.apache.cxf.helpers.CastUtils;
import org.apache.cxf.interceptor.Interceptor;
import org.apache.cxf.message.Message;
import org.apache.cxf.service.model.EndpointInfo;
import org.apache.cxf.service.model.ServiceInfo;
import org.apache.neethi.All;
import org.apache.neethi.Constants;
import org.apache.neethi.ExactlyOne;
import org.apache.neethi.Policy;
import org.apache.neethi.PolicyOperator;
import org.easymock.classextension.EasyMock;
import org.easymock.classextension.IMocksControl;

import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

/**
 * 
 */
public class EndpointPolicyImplTest extends Assert {

    private IMocksControl control;
    final class TestEndpointPolicy extends EndpointPolicyImpl {
        @Override
        protected EndpointPolicyImpl createEndpointPolicy() {
            return new TestEndpointPolicy();
        }
        @Override 
        void finalizeConfig() {
        }
    };
    
    @Before
    public void setUp() {
        control = EasyMock.createNiceControl();
    } 
    
    @SuppressWarnings("unchecked")
    private List<Interceptor createMockInterceptorList() {
        Interceptor i = control.createMock(Interceptor.class);
        Interceptor<? extends Message> m = i;
        List<Interceptor a = new ArrayList>();
        a.add(m);
        return a;
    }

    @Test
    public void testAccessors() {
        EndpointPolicyImpl epi = new EndpointPolicyImpl();
        assertNull(epi.getPolicy());
        assertNull(epi.getChosenAlternative());
        assertNull(epi.getInterceptors());
        assertNull(epi.getFaultInterceptors());
        
        Policy p = control.createMock(Policy.class);
        PolicyAssertion a = control.createMock(PolicyAssertion.class);
        List<PolicyAssertion> la = Collections.singletonList(a);
        List<Interceptor li = createMockInterceptorList();
        control.replay();
        epi.setPolicy(p);
        assertSame(p, epi.getPolicy());
        epi.setChosenAlternative(la);
        assertSame(la, epi.getChosenAlternative());
        epi.setInterceptors(li);
        assertSame(li, epi.getInterceptors());
        epi.setFaultInterceptors(li);
        assertSame(li, epi.getFaultInterceptors());
        epi.setVocabulary(la);
        assertSame(la, epi.getVocabulary());
        epi.setFaultVocabulary(la);
        assertSame(la, epi.getFaultVocabulary());
        control.verify();
    }
    
    @Test
    public void testInitialize() throws NoSuchMethodException {
        Method m1 = EndpointPolicyImpl.class.getDeclaredMethod("initializePolicy",
            new Class[] {});
        Method m2 = EndpointPolicyImpl.class.getDeclaredMethod("checkExactlyOnes",
            new Class[] {});
        Method m3 = EndpointPolicyImpl.class.getDeclaredMethod("chooseAlternative",
            new Class[] {});
        Method m4 = EndpointPolicyImpl.class.getDeclaredMethod("initializeVocabulary",
            new Class[] {});
        Method m5 = EndpointPolicyImpl.class.getDeclaredMethod("initializeInterceptors",
            new Class[] {});
        EndpointPolicyImpl epi = control.createMock(EndpointPolicyImpl.class, 
                                                    new Method[] {m1, m2, m3, m4, m5});
         
        epi.initializePolicy();
        EasyMock.expectLastCall();
        epi.checkExactlyOnes();
        EasyMock.expectLastCall();
        epi.chooseAlternative();
        EasyMock.expectLastCall();
        
        control.replay();
        epi.initialize();
        control.verify();        
    }
    
    @Test
    public void testInitializePolicy() {        
        EndpointInfo ei = control.createMock(EndpointInfo.class);
        PolicyEngineImpl engine = control.createMock(PolicyEngineImpl.class);
        ServiceInfo si = control.createMock(ServiceInfo.class);
        EasyMock.expect(ei.getService()).andReturn(si);
        Policy sp = control.createMock(Policy.class);
        EasyMock.expect(engine.getAggregatedServicePolicy(si)).andReturn(sp);
        Policy ep = control.createMock(Policy.class);
        EasyMock.expect(engine.getAggregatedEndpointPolicy(ei)).andReturn(ep);
        Policy merged = control.createMock(Policy.class);
        EasyMock.expect(sp.merge(ep)).andReturn(merged);
        EasyMock.expect(merged.normalize(null, true)).andReturn(merged);
        
        control.replay();
        EndpointPolicyImpl epi = new EndpointPolicyImpl(ei, engine, true, null);
        epi.initializePolicy();
        assertSame(merged, epi.getPolicy());
        control.verify();
    }
       
    @Test
    public void testChooseAlternative() {
        Policy policy = new Policy();
        
        PolicyEngineImpl engine = control.createMock(PolicyEngineImpl.class);
        Assertor assertor = control.createMock(Assertor.class);
        AlternativeSelector selector = control.createMock(AlternativeSelector.class);
        
        EndpointPolicyImpl epi = new EndpointPolicyImpl(null, engine, true, assertor);
        epi.setPolicy(policy);        
        
        EasyMock.expect(engine.getAlternativeSelector()).andReturn(selector);
        EasyMock.expect(selector.selectAlternative(policy, engine, assertor)).andReturn(null);
        
        control.replay();
        try {
            epi.chooseAlternative();  
            fail("Expected PolicyException not thrown.");
        } catch (PolicyException ex) {
            // expected
        }
        control.verify();
        
        control.reset();        
        EasyMock.expect(engine.getAlternativeSelector()).andReturn(selector);
        Collection<PolicyAssertion> alternative = new ArrayList();
        EasyMock.expect(selector.selectAlternative(policy, engine, assertor)).andReturn(alternative);
        control.replay();        
        epi.chooseAlternative();
        Collection<PolicyAssertion> choice = epi.getChosenAlternative();
        assertSame(choice, alternative);   
        control.verify();
    }
    

    @Test
    public void testUpdatePolicy() {
        
        EndpointPolicyImpl epi = new TestEndpointPolicy();
        
        Policy p1 = new Policy();
        QName aqn1 = new QName("http://x.y.z", "a");
        p1.addAssertion(mockAssertion(aqn1, 5, true));
        
        Policy p2 = new Policy();
        QName aqn2 = new QName("http://x.y.z", "b");
        p2.addAssertion(mockAssertion(aqn2, 5, true));
        control.replay();
        
        epi.setPolicy((Policy)p1.normalize(null, true));
                
        Policy ep = epi.updatePolicy(p2).getPolicy();
        
        List<ExactlyOne> pops = 
            CastUtils.cast(ep.getPolicyComponents(), ExactlyOne.class);
        assertEquals("New policy must have 1 top level policy operator", 1, pops.size());
        List<All> alts = 
            CastUtils.cast(pops.get(0).getPolicyComponents(), All.class);
        assertEquals("2 alternatives should be available", 2, alts.size());
        
        List<PolicyAssertion> assertions1 = 
            CastUtils.cast(alts.get(0).getAssertions(), PolicyAssertion.class);
        assertEquals("1 assertion should be available", 1, assertions1.size());
            
        List<PolicyAssertion> assertions2 = 
                CastUtils.cast(alts.get(1).getAssertions(), PolicyAssertion.class);
        assertEquals("1 assertion should be available", 1, assertions2.size());    
        
        QName n1 = assertions1.get(0).getName();
        QName n2 = assertions2.get(0).getName();
        assertTrue("Policy was not merged",
                   n1.equals(aqn1) && n2.equals(aqn2) || n1.equals(aqn2) && n2.equals(aqn1));
    }

    @Test
    public void testUpdatePolicyWithEmptyPolicy() {
        
        doTestUpdateWithEmptyPolicy(new Policy());
    }
    
    @Test
    public void testUpdatePolicyWithEmptyAll() {
        
        Policy emptyPolicy = new Policy();
        emptyPolicy.addPolicyComponent(new All());
        emptyPolicy.addPolicyComponent(new All());
        doTestUpdateWithEmptyPolicy(emptyPolicy);
    }
    
    @Test
    public void testUpdatePolicyWithEmptyExactlyOneAndAll() {
        
        Policy emptyPolicy = new Policy();
        PolicyOperator exactlyOne = new ExactlyOne();
        exactlyOne.addPolicyComponent(new All());
        exactlyOne.addPolicyComponent(new All());
        emptyPolicy.addPolicyComponent(exactlyOne);
        emptyPolicy.addPolicyComponent(new All());
        emptyPolicy.addPolicyComponent(new All());
        doTestUpdateWithEmptyPolicy(emptyPolicy);
    }    
    
    private void doTestUpdateWithEmptyPolicy(Policy emptyPolicy) {
        Policy p1 = new Policy();
        QName aqn1 = new QName("http://x.y.z", "a");
        p1.addAssertion(mockAssertion(aqn1, 5, true));
        
        EndpointPolicyImpl epi = new TestEndpointPolicy();
        control.replay();
        
        epi.setPolicy((Policy)p1.normalize(true));
                
        Policy ep = epi.updatePolicy(emptyPolicy).getPolicy();
        
        List<ExactlyOne> pops = 
            CastUtils.cast(ep.getPolicyComponents(), ExactlyOne.class);
        assertEquals("New policy must have 1 top level policy operator", 1, pops.size());
        List<All> alts = 
            CastUtils.cast(pops.get(0).getPolicyComponents(), All.class);
        assertEquals("1 alternatives should be available", 1, alts.size());
        
        List<PolicyAssertion> assertions1 = 
            CastUtils.cast(alts.get(0).getAssertions(), PolicyAssertion.class);
        assertEquals("1 assertion should be available", 1, assertions1.size());
        
        QName n1 = assertions1.get(0).getName();
        assertTrue("Policy was not merged", n1.equals(aqn1));
    }
    
    private PolicyAssertion mockAssertion(QName name, int howMany, boolean normalize) {
        PolicyAssertion a = control.createMock(PolicyAssertion.class);        
        EasyMock.expect(a.getName()).andReturn(name).times(howMany);
        if (normalize) {
            EasyMock.expect(a.getType()).andReturn(Constants.TYPE_ASSERTION).times(howMany);
            EasyMock.expect(a.normalize()).andReturn(a).times(howMany);
        }
        return a;
    }
    
    @Test
    public void testInitialiseInterceptorsServer() {
        doTestInitializeInterceptors(false);
    }
    
    @Test
    public void testInitialiseInterceptorsClient() {
        doTestInitializeInterceptors(true);
    }
    
    private void doTestInitializeInterceptors(boolean requestor) {
        
        EndpointInfo ei = control.createMock(EndpointInfo.class);
        PolicyEngineImpl engine = control.createMock(PolicyEngineImpl.class);
        
        EndpointPolicyImpl epi = new EndpointPolicyImpl(ei, engine, requestor, null);        
        Collection<PolicyAssertion> v = new ArrayList();
        Collection<PolicyAssertion> fv = new ArrayList();
        QName aqn = new QName("http://x.y.z", "a");
        v.add(mockAssertion(aqn, requestor ? 2 : 1, false));
        v.add(mockAssertion(aqn, requestor ? 2 : 1, false));
        fv.addAll(v);
        epi.setVocabulary(v);
        epi.setChosenAlternative(v);
        epi.setFaultVocabulary(fv);
        
        PolicyInterceptorProviderRegistry reg = control.createMock(PolicyInterceptorProviderRegistry.class);
        setupPolicyInterceptorProviderRegistry(engine, reg);
        
        PolicyInterceptorProvider app = control.createMock(PolicyInterceptorProvider.class);               
        EasyMock.expect(reg.get(aqn)).andReturn(app).anyTimes();
        List<Interceptor li = createMockInterceptorList();
        Interceptor<? extends Message> api = li.get(0);
        EasyMock.expect(app.getInInterceptors())
            .andReturn(li).anyTimes();
        if (requestor) {
            EasyMock.expect(app.getInFaultInterceptors())
                .andReturn(li).anyTimes();
        }
        
        control.replay();
        epi.initializeInterceptors();
        assertEquals(1, epi.getInterceptors().size());
        assertSame(api, epi.getInterceptors().get(0));
        if (requestor) {
            assertEquals(1, epi.getFaultInterceptors().size());
            assertSame(api, epi.getFaultInterceptors().get(0));
        } else {
            assertNull(epi.getFaultInterceptors());
        }
        control.verify();          
    }
    
    private void setupPolicyInterceptorProviderRegistry(PolicyEngineImpl engine, 
                                                        PolicyInterceptorProviderRegistry reg) {
        Bus bus = control.createMock(Bus.class);        
        EasyMock.expect(engine.getBus()).andReturn(bus).anyTimes();
        EasyMock.expect(bus.getExtension(PolicyInterceptorProviderRegistry.class))
            .andReturn(reg).anyTimes();
    }
    
  
}