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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.runtime;

import java.util.List;

import junit.framework.Assert;
import junit.framework.TestCase;

import org.apache.tuscany.common.monitor.impl.NullMonitorFactory;
import org.apache.tuscany.core.builder.RuntimeConfigurationBuilder;
import org.apache.tuscany.core.context.AggregateContext;
import org.apache.tuscany.core.context.Context;
import org.apache.tuscany.core.context.EventContext;
import org.apache.tuscany.core.mock.MockFactory;

/**
 * Tests runtime boot scenarios
 * 
 * @version $Rev$ $Date$
 */
public class RuntimeBootTestCase extends TestCase {
    private RuntimeContext runtime;

    public void testContextParents() {
        AggregateContext rootContext = runtime.getRootContext();
        assertNotNull(rootContext);
        assertEquals("tuscany.root", rootContext.getName());
        assertSame(runtime, rootContext.getParent());
        assertSame(rootContext, runtime.getContext("tuscany.root"));

        AggregateContext systemContext = runtime.getSystemContext();
        assertNotNull(systemContext);
        assertEquals("tuscany.system", systemContext.getName());
        assertSame(runtime, systemContext.getParent());
        assertSame(systemContext, runtime.getContext("tuscany.system"));
    }

    public void testRuntimeLifecycle() {
        assertEquals(Context.RUNNING, runtime.getLifecycleState());
        runtime.stop();

        assertEquals(Context.STOPPED, runtime.getLifecycleState());

        runtime.start();
        assertEquals(Context.RUNNING, runtime.getLifecycleState());
    }

    public void testIncrementalBoot() throws Exception{

        List<RuntimeConfigurationBuilder> builders  = MockFactory.createSystemBuilders();
        // start the runtime context
        RuntimeContext runtimeContext = new RuntimeContextImpl(new NullMonitorFactory(), null, builders, null);
        runtimeContext.start();

        AggregateContext system = runtimeContext.getSystemContext();
        Assert.assertNotNull(system);
        // register system components
        system.registerModelObject(MockFactory.createSystemModule());
        // start the module scope
        system.fireEvent(EventContext.MODULE_START, null);
        // register the first module
        
        // register the second module

        // start the modules

        system.fireEvent(EventContext.MODULE_STOP, null);
        runtimeContext.stop();
        Assert.assertEquals(Context.STOPPED,system.getLifecycleState());
    }

    protected void setUp() throws Exception {
        super.setUp();

        runtime = new RuntimeContextImpl();
        runtime.start();
    }

    protected void tearDown() throws Exception {
        runtime.stop();
        super.tearDown();
    }
}