topology-manager/src/test/java/org/apache/aries/rsa/topologymanager/importer/TopologyManagerImportTest.java

/*
 * 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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package org.apache.aries.rsa.topologymanager.importer;

import static org.junit.Assert.assertTrue;

import java.util.Dictionary;
import java.util.concurrent.Semaphore;
import java.util.concurrent.TimeUnit;

import org.easymock.EasyMock;
import org.easymock.IAnswer;
import org.easymock.IMocksControl;
import org.junit.Test;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;
import org.osgi.service.remoteserviceadmin.EndpointDescription;
import org.osgi.service.remoteserviceadmin.EndpointEvent;
import org.osgi.service.remoteserviceadmin.ImportReference;
import org.osgi.service.remoteserviceadmin.ImportRegistration;
import org.osgi.service.remoteserviceadmin.RemoteServiceAdmin;
import org.osgi.service.remoteserviceadmin.RemoteServiceAdminListener;

public class TopologyManagerImportTest {

    @Test
    public void testImportForNewlyAddedRSA() throws InterruptedException {
        IMocksControl c = EasyMock.createControl();
        c.makeThreadSafe(true);
        final Semaphore sema = new Semaphore(0);
        BundleContext bc = getBundleContext(c);

        EndpointDescription endpoint = c.createMock(EndpointDescription.class);
        RemoteServiceAdmin rsa = c.createMock(RemoteServiceAdmin.class);
        final ImportRegistration ir = getRegistration(c, endpoint);
        EasyMock.expect(rsa.importService(EasyMock.eq(endpoint))).andAnswer(new IAnswer<ImportRegistration>() {
            public ImportRegistration answer() throws Throwable {
                sema.release();
                return ir;
            }
        }).once();

        ir.close();
        EasyMock.expectLastCall();
        c.replay();

        TopologyManagerImport tm = new TopologyManagerImport(bc);
        tm.start();
        EndpointEvent event = new EndpointEvent(EndpointEvent.ADDED, endpoint);
        tm.endpointChanged(event, "myFilter");
        tm.add(rsa);
        assertTrue("rsa.ImportService should have been called",
            sema.tryAcquire(100, TimeUnit.SECONDS));
        tm.stop();
        c.verify();
    }

    private ImportRegistration getRegistration(IMocksControl c, EndpointDescription endpoint) {
        final ImportRegistration ireg = c.createMock(ImportRegistration.class);
        EasyMock.expect(ireg.getException()).andReturn(null).anyTimes();
        ImportReference iref = c.createMock(ImportReference.class);
        EasyMock.expect(ireg.getImportReference()).andReturn(iref).anyTimes();
        EasyMock.expect(iref.getImportedEndpoint()).andReturn(endpoint).anyTimes();
        return ireg;
    }

    @SuppressWarnings({ "rawtypes", "unchecked" })
    private BundleContext getBundleContext(IMocksControl c) {
        ServiceRegistration sreg = c.createMock(ServiceRegistration.class);
        BundleContext bc = c.createMock(BundleContext.class);
        EasyMock.expect(bc.registerService(EasyMock.eq(RemoteServiceAdminListener.class),
                                           EasyMock.anyObject(RemoteServiceAdminListener.class),
                                           (Dictionary)EasyMock.anyObject())).andReturn(sreg).anyTimes();
        return bc;
    }
}