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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed 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.core.system.context;
import junit.framework.Assert;
import junit.framework.TestCase;
import org.apache.tuscany.core.context.CompositeContext;
import org.apache.tuscany.core.context.event.ModuleStart;
import org.apache.tuscany.core.context.event.ModuleStop;
import org.apache.tuscany.core.mock.MockFactory;
import org.apache.tuscany.core.mock.component.Source;
import org.apache.tuscany.core.mock.component.Target;
import org.apache.tuscany.core.runtime.RuntimeContext;
import org.apache.tuscany.core.config.ConfigurationLoadException;
import org.apache.tuscany.model.assembly.ModuleComponent;
import org.apache.tuscany.model.assembly.Scope;
/**
* Tests registering arbirarily deep child composite contexts
*
* @version $Rev$ $Date$
*/
public class CompositeNestingTestCase extends TestCase {
/**
* Tests registration of a 3-level deep hierarchy under the top-level system composite context
*/
public void testSystemContext() throws Exception {
RuntimeContext runtime = MockFactory.createCoreRuntime();
ModuleComponent child1 = createHierarchy();
runtime.getSystemContext().registerModelObject(child1);
CompositeContext child1Ctx = (CompositeContext) runtime.getSystemContext().getContext("child1");
Assert.assertNotNull(child1Ctx);
child1Ctx.publish(new ModuleStart(this));
analyzeLeafComponents(child1Ctx);
CompositeContext child2Ctx = (CompositeContext) child1Ctx.getContext("child2");
Assert.assertNotNull(child2Ctx);
child2Ctx.publish(new ModuleStart(this));
analyzeLeafComponents(child2Ctx);
CompositeContext child3Ctx = (CompositeContext) child2Ctx.getContext("child3");
Assert.assertNotNull(child3Ctx);
child3Ctx.publish(new ModuleStart(this));
analyzeLeafComponents(child3Ctx);
Assert.assertNull(child1Ctx.getContext("child3")); // sanity check
}
/**
* Tests registration of a 3-level deep hierarchy under the root application composite context
*/
public void testRootContext() throws Exception {
RuntimeContext runtime = MockFactory.createCoreRuntime();
ModuleComponent child1 = createHierarchy();
runtime.getRootContext().registerModelObject(child1);
CompositeContext child1Ctx = (CompositeContext) runtime.getRootContext().getContext("child1");
Assert.assertNotNull(child1Ctx);
child1Ctx.publish(new ModuleStart(this));
analyzeLeafComponents(child1Ctx);
CompositeContext child2Ctx = (CompositeContext) child1Ctx.getContext("child2");
Assert.assertNotNull(child2Ctx);
child2Ctx.publish(new ModuleStart(this));
analyzeLeafComponents(child2Ctx);
CompositeContext child3Ctx = (CompositeContext) child2Ctx.getContext("child3");
Assert.assertNotNull(child3Ctx);
child3Ctx.publish(new ModuleStart(this));
analyzeLeafComponents(child3Ctx);
Assert.assertNull(child1Ctx.getContext("child3")); // sanity check
child1Ctx.publish(new ModuleStop(this));
}
private ModuleComponent createHierarchy() throws ConfigurationLoadException {
ModuleComponent child3 = MockFactory.createSystemModuleComponentWithWiredComponents("child3", Scope.MODULE, Scope.MODULE);
ModuleComponent child2 = MockFactory.createSystemModuleComponentWithWiredComponents("child2", Scope.MODULE, Scope.MODULE);
child2.getImplementation().getComponents().add(child3);
ModuleComponent child1 = MockFactory.createSystemModuleComponentWithWiredComponents("child1", Scope.MODULE, Scope.MODULE);
child1.getImplementation().getComponents().add(child2);
return child1;
}
private void analyzeLeafComponents(CompositeContext ctx) throws Exception {
Source source = (Source) ctx.getContext("source").getInstance(null);
Assert.assertNotNull(source);
Target target = source.getTarget();
Assert.assertNotNull(target);
}
}
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