Package org.apache.tuscany.core.integration.implementation.system.builder

Source Code of org.apache.tuscany.core.integration.implementation.system.builder.SystemBuilderWireTestCase

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* Licensed to the Apache Software Foundation (ASF) under one
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* 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,
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package org.apache.tuscany.core.integration.implementation.system.builder;

import org.apache.tuscany.spi.builder.Connector;
import org.apache.tuscany.spi.component.AtomicComponent;
import org.apache.tuscany.spi.component.CompositeComponent;
import org.apache.tuscany.spi.component.Reference;
import org.apache.tuscany.spi.component.ScopeContainer;
import org.apache.tuscany.spi.component.Service;
import org.apache.tuscany.spi.component.WorkContext;
import org.apache.tuscany.spi.deployer.DeploymentContext;
import org.apache.tuscany.spi.model.BoundReferenceDefinition;
import org.apache.tuscany.spi.model.BoundServiceDefinition;
import org.apache.tuscany.spi.model.ComponentDefinition;

import junit.framework.TestCase;
import org.apache.tuscany.core.builder.ConnectorImpl;
import org.apache.tuscany.core.component.WorkContextImpl;
import org.apache.tuscany.core.component.event.CompositeStart;
import org.apache.tuscany.core.component.event.CompositeStop;
import org.apache.tuscany.core.component.scope.ModuleScopeContainer;
import org.apache.tuscany.core.deployer.RootDeploymentContext;
import org.apache.tuscany.core.implementation.composite.CompositeComponentImpl;
import org.apache.tuscany.core.implementation.system.builder.SystemBindingBuilder;
import org.apache.tuscany.core.implementation.system.builder.SystemComponentBuilder;
import org.apache.tuscany.core.implementation.system.model.SystemBinding;
import org.apache.tuscany.core.implementation.system.model.SystemImplementation;
import org.apache.tuscany.core.mock.component.Source;
import org.apache.tuscany.core.mock.component.Target;
import org.apache.tuscany.core.mock.factories.MockComponentFactory;

/**
* Validates that system builders and the default connector create properly wired contexts
*
* @version $$Rev: 451895 $$ $$Date: 2006-10-01 23:58:18 -0700 (Sun, 01 Oct 2006) $$
*/
public class SystemBuilderWireTestCase extends TestCase {
    private DeploymentContext deploymentContext;

    /**
     * Validates building a wire from an atomic context to an atomic context
     */
    public void testAtomicWireBuild() throws Exception {
        WorkContext work = new WorkContextImpl();
        ScopeContainer scope = new ModuleScopeContainer(work);
        scope.start();

        Connector connector = new ConnectorImpl();
        SystemComponentBuilder builder = new SystemComponentBuilder();

        CompositeComponent parent = new CompositeComponentImpl(null, null, connector, null);

        ComponentDefinition<SystemImplementation> targetComponentDefinition = MockComponentFactory.createTarget();
        ComponentDefinition<SystemImplementation> sourceComponentDefinition =
            MockComponentFactory.createSourceWithTargetReference();

        AtomicComponent sourceComponent = builder.build(parent, sourceComponentDefinition, deploymentContext);
        AtomicComponent targetComponent = builder.build(parent, targetComponentDefinition, deploymentContext);

        parent.register(sourceComponent);
        parent.register(targetComponent);
        parent.prepare();
        parent.start();
        scope.onEvent(new CompositeStart(this, parent));
        Source source = (Source) parent.getSystemChild("source").getServiceInstance();
        assertNotNull(source);
        Target target = (Target) parent.getSystemChild("target").getServiceInstance();
        assertNotNull(target);
        assertSame(target, source.getTarget());
        scope.onEvent(new CompositeStop(this, parent));
        parent.stop();
        scope.stop();
    }

    /**
     * Validates building a wire from an atomic context to a reference context
     */
    public void testAtomicToReferenceWireBuild() throws Exception {
        WorkContext work = new WorkContextImpl();
        ScopeContainer scope = new ModuleScopeContainer(work);
        scope.start();

        Connector connector = new ConnectorImpl();
        SystemComponentBuilder builder = new SystemComponentBuilder();
        SystemBindingBuilder bindingBuilder = new SystemBindingBuilder();

        CompositeComponent grandParent = new CompositeComponentImpl("grandparent", null, null, null);
        CompositeComponent parent = new CompositeComponentImpl("parent", grandParent, null, null);

        // create a context in the grandparent that the reference will be autowired to
        ComponentDefinition<SystemImplementation> targetComponentDefinition = MockComponentFactory.createTarget();
        AtomicComponent targetComponentComponent = builder.build(parent, targetComponentDefinition, deploymentContext);
        grandParent.register(targetComponentComponent);

        BoundReferenceDefinition<SystemBinding> targetReferenceDefinition = MockComponentFactory.createBoundReference();
        ComponentDefinition<SystemImplementation> sourceComponentDefinition =
            MockComponentFactory.createSourceWithTargetReference();

        AtomicComponent sourceComponent = builder.build(parent, sourceComponentDefinition, deploymentContext);
        Reference reference = bindingBuilder.build(parent, targetReferenceDefinition, deploymentContext);

        parent.register(sourceComponent);
        parent.register(reference);
        connector.connect(reference.getInboundWire(), reference.getOutboundWire(), true);
        connector.connect(sourceComponent);
        grandParent.register(parent);
        grandParent.start();
        scope.onEvent(new CompositeStart(this, parent));
        Source source = (Source) parent.getSystemChild("source").getServiceInstance();
        assertNotNull(source);
        Target target = (Target) parent.getSystemChild("target").getServiceInstance();
        assertNotNull(target);
        assertSame(target, source.getTarget());
        scope.onEvent(new CompositeStop(this, parent));
        grandParent.stop();
        scope.stop();
    }


    /**
     * Validates building a wire from a service context to an atomic context
     */
    public void testServiceToAtomicWireBuild() throws Exception {
        WorkContext work = new WorkContextImpl();
        ScopeContainer scope = new ModuleScopeContainer(work);
        scope.start();

        ConnectorImpl connector = new ConnectorImpl();
        SystemComponentBuilder builder = new SystemComponentBuilder();
        SystemBindingBuilder bindingBuilder = new SystemBindingBuilder();

        CompositeComponent parent = new CompositeComponentImpl(null, null, null, null);

        BoundServiceDefinition<SystemBinding> serviceDefinition = MockComponentFactory.createBoundService();
        ComponentDefinition<SystemImplementation> componentDefinition = MockComponentFactory.createTarget();

        AtomicComponent sourceComponent = builder.build(parent, componentDefinition, deploymentContext);
        parent.register(sourceComponent);

        Service service = bindingBuilder.build(parent, serviceDefinition, deploymentContext);
        parent.register(service);

        connector.connect(sourceComponent);
        connector.connect(service);

        parent.start();
        scope.onEvent(new CompositeStart(this, parent));
        Target target = (Target) parent.getSystemChild("serviceDefinition").getServiceInstance();
        assertNotNull(target);
        Target target2 = (Target) parent.getSystemChild("target").getServiceInstance();
        assertNotNull(target);
        assertSame(target, target2);
        scope.onEvent(new CompositeStop(this, parent));
        parent.stop();
        scope.stop();

    }

    protected void setUp() throws Exception {
        super.setUp();
        ModuleScopeContainer moduleScope = new ModuleScopeContainer();
        moduleScope.start();
        deploymentContext = new RootDeploymentContext(null, null, moduleScope, null);

    }
}
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