Examples with Ensure org.apache.felix.dm.itest.util.Ensure used on opensource projects

Example 11 with Ensure

use of org.apache.felix.dm.itest.util.Ensure in project felix by apache.

the class TemporalAnnotationsTest method testTemporalServiceDependency.

public void testTemporalServiceDependency() {
    Ensure ensure = new Ensure();
    ServiceRegistration ensureReg = register(ensure, TemporalAnnotations.ENSURE);
    Dictionary props = new Hashtable() {

        {
            put("test", "temporal");
        }
    };
    Runnable r = Ensure.createRunnableStep(ensure, 1);
    ServiceRegistration sr = context.registerService(Runnable.class.getName(), r, props);
    ensure.waitForStep(1, 15000);
    System.out.println("unregistering R");
    sr.unregister();
    ensure.step(2);
    sleep(500);
    r = Ensure.createRunnableStep(ensure, 3);
    sr = context.registerService(Runnable.class.getName(), r, props);
    ensure.waitForStep(3, 15000);
    sr.unregister();
    ensure.step(4);
    sleep(1500);
    ensure.waitForStep(5, 15000);
    ensureReg.unregister();
}

Example 12 with Ensure

use of org.apache.felix.dm.itest.util.Ensure in project felix by apache.

the class RemovedDependencyTest method testRemoveDependencyAndConsumerMustRemainStarted.

public void testRemoveDependencyAndConsumerMustRemainStarted() {
    DependencyManager m = getDM();
    // helper class that ensures certain steps get executed in sequence
    Ensure e = new Ensure();
    // Create two providers
    Hashtable props = new Hashtable();
    props.put("name", "provider1");
    Component sp = m.createComponent().setImplementation(new ServiceProvider(e)).setInterface(ServiceInterface.class.getName(), props);
    props = new Properties();
    props.put("name", "provider2");
    Component sp2 = m.createComponent().setImplementation(new ServiceProvider(e)).setInterface(ServiceInterface.class.getName(), props);
    props = new Properties();
    props.put("name", "provider3");
    Component sp3 = m.createComponent().setImplementation(new ServiceProvider(e)).setInterface(ServiceInterface.class.getName(), props);
    // Create the consumer, and start it
    Dependency d1 = m.createServiceDependency().setService(ServiceInterface.class, "(name=provider1)").setRequired(true).setCallbacks("add", "remove");
    Dependency d2 = m.createServiceDependency().setService(ServiceInterface.class, "(name=provider2)").setRequired(true).setCallbacks("add", "remove");
    Dependency d3 = m.createServiceDependency().setService(ServiceInterface.class, "(name=provider3)").setRequired(true).setCallbacks("add", "remove");
    ServiceConsumer consumer = new ServiceConsumer(e, d3);
    Component sc = m.createComponent().setImplementation(consumer).add(d1, d2);
    // Add the first two providers and the consumer
    m.add(sp);
    m.add(sp2);
    m.add(sp3);
    m.add(sc);
    // Check if consumer has been bound to the three providers
    e.waitForStep(3, 5000);
    Assert.assertEquals(3, consumer.getProvidersCount());
    Assert.assertNotNull(consumer.getProvider("provider1"));
    Assert.assertNotNull(consumer.getProvider("provider2"));
    Assert.assertNotNull(consumer.getProvider("provider3"));
    // Now remove the provider2, and check if the consumer is still alive
    sc.remove(d2);
    Assert.assertFalse(consumer.isStopped());
    Assert.assertEquals(2, consumer.getProvidersCount());
    Assert.assertNotNull(consumer.getProvider("provider1"));
    Assert.assertNull(consumer.getProvider("provider2"));
    Assert.assertNotNull(consumer.getProvider("provider3"));
    // Now remove the provider3 (the consumer has an instance bound dependency on it), and check if the consumer is still alive
    sc.remove(d3);
    Assert.assertFalse(consumer.isStopped());
    Assert.assertEquals(1, consumer.getProvidersCount());
    Assert.assertNotNull(consumer.getProvider("provider1"));
    Assert.assertNull(consumer.getProvider("provider2"));
    Assert.assertNull(consumer.getProvider("provider3"));
    m.clear();
}

Example 13 with Ensure

use of org.apache.felix.dm.itest.util.Ensure in project felix by apache.

the class ResourceAdapterDependencyAddAndRemoveTest method testBasicResourceAdapter.

public void testBasicResourceAdapter() throws Exception {
    DependencyManager m = getDM();
    // helper class that ensures certain steps get executed in sequence
    Ensure e = new Ensure();
    // create and add a service provider
    m.add(m.createComponent().setInterface(ServiceInterface.class.getName(), null).setImplementation(new ServiceProvider(e)));
    // create and add a resource provider
    ResourceProvider provider = new ResourceProvider(context, new URL("file://localhost/path/to/file1.txt"));
    m.add(m.createComponent().setImplementation(provider).add(m.createServiceDependency().setService(ResourceHandler.class).setCallbacks("add", "remove")));
    // create a resource adapter for our single resource
    // note that we can provide an actual implementation instance here because there will be only one
    // adapter, normally you'd want to specify a Class here
    // also, create a callback instance which will be used for both callbacks on resource changes and
    // life cycle callbacks on the adapters themselves
    Dependency d = m.createServiceDependency().setService(ServiceInterface.class).setRequired(true);
    CallbackInstance callbackInstance = new CallbackInstance(e, d);
    Component component = m.createResourceAdapterService("(&(path=/path/to/*.txt)(host=localhost))", false, callbackInstance, "changed").setImplementation(new ResourceAdapter(e)).setCallbacks(callbackInstance, "init", "start", "stop", "destroy");
    // add the resource adapter
    m.add(component);
    // wait until the single resource is available (the adapter has been started)
    e.waitForStep(1, 5000);
    // trigger a 'change' in our resource
    provider.change();
    // wait until the changed callback is invoked
    e.waitForStep(2, 5000);
    // and has completed (ensuring no "extra" steps are invoked in the mean time)
    e.waitForStep(3, 5000);
    // remove the resource adapter again
    // add a component state listener, in order to track resource adapter destruction
    component.add(new ComponentStateListenerImpl(e));
    m.remove(component);
    // wait for the stopped callback in the state listener
    e.waitForStep(4, 5000);
    m.clear();
}

Example 14 with Ensure

use of org.apache.felix.dm.itest.util.Ensure in project felix by apache.

the class ServiceDependencyTest method testServiceRegistrationAndConsumption.

public void testServiceRegistrationAndConsumption() {
    DependencyManager m = getDM();
    // helper class that ensures certain steps get executed in sequence
    Ensure e = new Ensure();
    // create a service provider and consumer
    Component sp = m.createComponent().setImplementation(new ServiceProvider(e)).setInterface(ServiceInterface.class.getName(), null);
    Component sc = m.createComponent().setImplementation(new ServiceConsumer(e)).add(m.createServiceDependency().setService(ServiceInterface.class).setRequired(true));
    Component sc2 = m.createComponent().setImplementation(new ServiceConsumerCallbacks(e)).add(m.createServiceDependency().setService(ServiceInterface.class).setRequired(false).setCallbacks("add", "remove"));
    m.add(sp);
    m.add(sc);
    m.remove(sc);
    m.add(sc2);
    m.remove(sp);
    m.remove(sc2);
    // ensure we executed all steps inside the component instance
    e.step(6);
}

Example 15 with Ensure

use of org.apache.felix.dm.itest.util.Ensure in project felix by apache.

the class ServiceRaceWithOrderedUnbindTest method doTest.

void doTest(int loop) throws Throwable {
    debug("loop#%d -------------------------", loop);
    final Ensure step = new Ensure(false);
    // Create one client component, which depends on many service dependencies
    final Component client = m_dm.createComponent();
    final Client clientImpl = new Client(step);
    client.setImplementation(clientImpl);
    // Before creating the client, register a component listener to check
    // the client is really started or deactivated.
    ComponentStateListener clientListener = (c, s) -> {
        switch(s) {
            case TRACKING_OPTIONAL:
                step.step(1);
                break;
            case INACTIVE:
                step.step(2);
                break;
            default:
                break;
        }
    };
    client.add(clientListener);
    // Create client service dependencies
    final ServiceDependency[] dependencies = new ServiceDependency[DEPENDENCIES];
    for (int i = 0; i < DEPENDENCIES; i++) {
        final String filter = "(id=loop" + loop + "." + i + ")";
        dependencies[i] = m_dm.createServiceDependency().setService(Dep.class, filter).setRequired(true).setCallbacks("add", "remove");
        client.add(dependencies[i]);
    }
    // Activate the client service dependencies concurrently.
    List<Component> deps = new ArrayList();
    for (int i = 0; i < DEPENDENCIES; i++) {
        Hashtable h = new Hashtable();
        h.put("id", "loop" + loop + "." + i);
        final Component s = m_dm.createComponent().setInterface(Dep.class.getName(), h).setImplementation(new DepImpl());
        deps.add(s);
        schedule(() -> m_dm.add(s));
    }
    // Start the client (concurrently)
    schedule(() -> m_dm.add(client));
    // Ensure that client has been started.
    // client has entered in TRACKING_OPTIONAL state
    step.waitForStep(1, STEP_WAIT);
    Assert.assertEquals(DEPENDENCIES, clientImpl.getDependencies());
    // Make sure threadpool is quiescent, then deactivate all components.
    if (!m_threadPool.awaitQuiescence(5000, TimeUnit.MILLISECONDS)) {
        throw new RuntimeException("Could not start components timely.");
    }
    // Stop all dependencies, and client
    schedule(() -> {
        for (Component dep : deps) {
            final Component dependency = dep;
            m_dm.remove(dependency);
        }
        m_dm.remove(client);
    });
    // Ensure that client has been stopped, then destroyed, then unbound from all dependencies
    // Client entered in INACTIVE state
    step.waitForStep(2, STEP_WAIT);
    step.ensure();
    Assert.assertEquals(0, clientImpl.getDependencies());
    // Make sure threadpool is quiescent before doing next iteration.
    if (!m_threadPool.awaitQuiescence(5000, TimeUnit.MILLISECONDS)) {
        throw new RuntimeException("Could not start components timely.");
    }
    if (super.errorsLogged()) {
        throw new IllegalStateException("Race test interrupted (some error occured, see previous logs)");
    }
    debug("finished one test loop");
    if ((loop + 1) % 100 == 0) {
        long duration = System.currentTimeMillis() - m_timeStamp;
        warn("Performed 100 tests (total=%d) in %d ms.", (loop + 1), duration);
        m_timeStamp = System.currentTimeMillis();
    }
}