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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.distributed.impl;
import junit.framework.Assert;
import org.apache.tuscany.sca.distributed.domain.DistributedSCADomain;
import org.apache.tuscany.sca.distributed.domain.impl.DistributedSCADomainMemoryImpl;
import org.apache.tuscany.sca.distributed.node.impl.EmbeddedNode;
import org.apache.tuscany.sca.host.embedded.SCADomain;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import calculator.CalculatorService;
/**
* Runs a distributed domain in a single VM by using and in memory
* implementation of the distributed domain
*/
public class InMemoryTestCase {
private static String DEFULT_DOMAIN_NAME = "mydomain";
private static DistributedSCADomain distributedDomain;
private static EmbeddedNode nodeA;
private static SCADomain domainA;
private static EmbeddedNode nodeB;
private static SCADomain domainB;
private static EmbeddedNode nodeC;
private static CalculatorService calculatorServiceA;
private static CalculatorService calculatorServiceB;
@BeforeClass
public static void init() throws Exception {
System.out.println("Setting up distributed nodes");
// Create the distributed domain representation
distributedDomain = new DistributedSCADomainMemoryImpl(DEFULT_DOMAIN_NAME);
// create the node that runs the
// calculator component
nodeA = new EmbeddedNode("nodeA");
domainA = nodeA.attachDomain(distributedDomain);
nodeA.addContribution(DEFULT_DOMAIN_NAME, null);
// create the node that runs the
// add component
nodeB = new EmbeddedNode("nodeB");
domainB = nodeB.attachDomain(distributedDomain);
nodeB.addContribution(DEFULT_DOMAIN_NAME, null);
// create the node that runs the
// subtract component
nodeC = new EmbeddedNode("nodeC");
nodeC.attachDomain(distributedDomain);
nodeC.addContribution(DEFULT_DOMAIN_NAME, null);
// start all of the nodes
nodeA.start();
nodeB.start();
nodeC.start();
// get a reference to the calculator service from domainA
// which will be running this component
calculatorServiceA = domainA.getService(CalculatorService.class, "CalculatorServiceComponent1");
calculatorServiceB = domainB.getService(CalculatorService.class, "CalculatorServiceComponent");
}
@AfterClass
public static void destroy() throws Exception {
// stop the nodes and hence the domains they contain
nodeA.stop();
nodeB.stop();
nodeC.stop();
}
@Test
public void testCalculator() throws Exception {
// Calculate
Assert.assertEquals(calculatorServiceA.add(3, 2), 5.0);
Assert.assertEquals(calculatorServiceA.subtract(3, 2), 1.0);
Assert.assertEquals(calculatorServiceA.multiply(3, 2), 6.0);
Assert.assertEquals(calculatorServiceA.divide(3, 2), 1.5);
Assert.assertEquals(calculatorServiceB.add(3, 2), 5.0);
Assert.assertEquals(calculatorServiceB.subtract(3, 2), 1.0);
Assert.assertEquals(calculatorServiceB.multiply(3, 2), 6.0);
Assert.assertEquals(calculatorServiceB.divide(3, 2), 1.5);
}
}
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