TestObedience.java

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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.felix.ipojo.runtime.core;

import org.apache.felix.ipojo.ComponentFactory;
import org.apache.felix.ipojo.ComponentInstance;
import org.apache.felix.ipojo.Factory;
import org.apache.felix.ipojo.HandlerManagerFactory;
import org.apache.felix.ipojo.architecture.Architecture;
import org.apache.felix.ipojo.runtime.core.services.FooService;
import org.junit.Test;
import org.osgi.framework.ServiceReference;

import java.util.Properties;

import static org.junit.Assert.*;

/**
 * Check that instances are disposed when the factory is stopped.
 */
public class TestObedience extends Common {

    @Test
    public void testObedience() {
        assertNull("Check no foo service", osgiHelper.getServiceReference(FooService.class.getName()));
        ComponentFactory factory = (ComponentFactory) ipojoHelper.getFactory("Factories-FooProviderType-1");
        assertNotNull("Check factory existing", factory);

        Properties props1 = new Properties();
        props1.put("instance.name", "foo1");
        Properties props2 = new Properties();
        props2.put("instance.name", "foo2");

        ComponentInstance ci1 = null, ci2 = null;
        try {
            ci1 = factory.createComponentInstance(props1);
            ci2 = factory.createComponentInstance(props2);
        } catch (Exception e) {
            fail("Cannot instantiate foo providers : " + e.getMessage());
        }

        assertTrue("Check foo1 validity", ci1.getState() == ComponentInstance.VALID);
        assertTrue("Check foo2 validity", ci2.getState() == ComponentInstance.VALID);

        assertNotNull("Check foo service", osgiHelper.getServiceReference(FooService.class.getName()));
        assertEquals("Check the number of Foo", osgiHelper.getServiceReferences(FooService.class.getName(), null).length, 2);

        factory.stop();

        assertTrue("Check foo1 invalidity (" + ci1.getState() + ")", ci1.getState() == ComponentInstance.DISPOSED);
        assertTrue("Check foo2 invalidity (" + ci1.getState() + ")", ci2.getState() == ComponentInstance.DISPOSED);

        assertNull("Check no foo service", osgiHelper.getServiceReference(FooService.class.getName()));

        factory.start();
        assertNull("Check no foo service", osgiHelper.getServiceReference(FooService.class.getName()));
    }

    @Test
    public void testDisposeAfterFactoryInvalidation() {
        ComponentFactory cf = (ComponentFactory) ipojoHelper.getFactory("org.apache.felix.ipojo.runtime.core.components.SimpleType");
        assertNotNull("Check factory availability -1", cf);
        assertEquals("Check factory state -1", Factory.VALID, cf.getState());

        ServiceReference ref_arch = ipojoHelper.getServiceReferenceByName(Architecture.class.getName(), "SimpleInstance");
        assertNotNull("Check Architecture availability -1", ref_arch);

        HandlerManagerFactory hf = (HandlerManagerFactory) ipojoHelper.getHandlerFactory("controller");
        assertNotNull("Check handler availability -1", hf);
        assertEquals("Check handler state -1", Factory.VALID, hf.getState());

        // Stop the handler
        hf.stop();
        HandlerManagerFactory hf2 = (HandlerManagerFactory) ipojoHelper.getFactoryHelper().getHandlerFactory("controller", 1, false);
        assertNull("Check handler availability -2", hf2);

        // Check the factory invalidity
        cf = (ComponentFactory) ipojoHelper.getFactory("org.apache.felix.ipojo.runtime.core.components.SimpleType");
        assertNotNull("Check factory availability -2", cf);
        assertEquals("Check factory state -2", Factory.INVALID, cf.getState());

        // Check the instance disappearance, the instance was disposed.
        assertFalse("Check Architecture availability -1", ipojoHelper
                .isServiceAvailableByName(Architecture.class.getName(), "SimpleInstance"));

        // Restart the handler
        hf.start();
        hf2 = (HandlerManagerFactory) ipojoHelper.getHandlerFactory("controller");
        assertNotNull("Check handler availability -3", hf2);

        // Check the factory state
        cf = (ComponentFactory) ipojoHelper.getFactory("org.apache.felix.ipojo.runtime.core.components.SimpleType");
        assertNotNull("Check factory availability -3", cf);
        assertEquals("Check factory state -3", Factory.VALID, cf.getState());


        // Check the instance re-creation
        ref_arch = ipojoHelper.getServiceReferenceByName(Architecture.class.getName(), "SimpleInstance");
        assertNotNull("Check Architecture availability -3", ref_arch);
    }
}