opendaylight/config/config-manager/src/test/java/org/opendaylight/controller/config/manager/impl/dependencyresolver/DependencyResolverManagerTest.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.config.manager.impl.dependencyresolver;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.mockito.Mockito.doNothing;
  12 import static org.mockito.Mockito.doReturn;
  13 import static org.mockito.Mockito.mock;
  14 import static org.mockito.Mockito.reset;
  15
  16 import java.util.Arrays;
  17 import java.util.List;
  18 import org.junit.Before;
  19 import org.junit.Test;
  20 import org.opendaylight.controller.config.api.JmxAttribute;
  21 import org.opendaylight.controller.config.api.ModuleIdentifier;
  22 import org.opendaylight.controller.config.api.ServiceReferenceReadableRegistry;
  23 import org.opendaylight.controller.config.api.jmx.ObjectNameUtil;
  24 import org.opendaylight.controller.config.manager.impl.AbstractLockedPlatformMBeanServerTest;
  25 import org.opendaylight.controller.config.manager.impl.ModuleInternalInfo;
  26 import org.opendaylight.controller.config.manager.impl.TransactionIdentifier;
  27 import org.opendaylight.controller.config.manager.impl.TransactionStatus;
  28 import org.opendaylight.controller.config.manager.impl.jmx.TransactionModuleJMXRegistrator.TransactionModuleJMXRegistration;
  29 import org.opendaylight.controller.config.spi.Module;
  30 import org.opendaylight.controller.config.spi.ModuleFactory;
  31 import org.osgi.framework.BundleContext;
  32
  33 public class DependencyResolverManagerTest extends AbstractLockedPlatformMBeanServerTest {
  34
  35     final ModuleIdentifier apspName = new ModuleIdentifier("apsp", "apsp"); // depends
  36                                                                             // on:
  37     final ModuleIdentifier threadPoolName = new ModuleIdentifier("threadpool",
  38             "threadpool"); // depends on:
  39     final ModuleIdentifier threadFactoryName = new ModuleIdentifier(
  40             "threadfactory", "threadfactory");
  41
  42     private DependencyResolverManager tested;
  43     TransactionStatus transactionStatus;
  44
  45     @Before
  46     public void setUp() {
  47         transactionStatus = mock(TransactionStatus.class);
  48         ServiceReferenceReadableRegistry mockedRegistry = mock(ServiceReferenceReadableRegistry.class);
  49         tested = new DependencyResolverManager(new TransactionIdentifier("txName"), transactionStatus, mockedRegistry,
  50                 null, platformMBeanServer);
  51         doNothing().when(transactionStatus).checkCommitStarted();
  52         doNothing().when(transactionStatus).checkNotCommitted();
  53     }
  54
  55     @Test
  56     public void testOrdering() {
  57         DependencyResolverImpl apspDRI = tested.getOrCreate(apspName);
  58         mockGetInstance(tested, apspName);
  59         DependencyResolverImpl threadPoolDRI = tested
  60                 .getOrCreate(threadPoolName);
  61         mockGetInstance(tested, threadPoolName);
  62         tested.getOrCreate(threadFactoryName);
  63         mockGetInstance(tested, threadFactoryName);
  64
  65         // set threadfactory as dependency of threadpool
  66         declareDependency(threadPoolDRI, threadFactoryName);
  67         // set threadpool as dependency of apsp
  68         declareDependency(apspDRI, threadPoolName);
  69
  70         // switch to second phase committed
  71         reset(transactionStatus);
  72         doNothing().when(transactionStatus).checkCommitted();
  73         List<ModuleIdentifier> sortedModuleIdentifiers = tested
  74                 .getSortedModuleIdentifiers();
  75         assertEquals(
  76                 Arrays.asList(threadFactoryName, threadPoolName, apspName),
  77                 sortedModuleIdentifiers);
  78
  79     }
  80
  81     /**
  82      * Simulate dependentResolver resolving its dependency identified by
  83      * dependentName.
  84      */
  85     private void declareDependency(DependencyResolverImpl dependerResolver,
  86             ModuleIdentifier dependentName) {
  87         JmxAttribute dummyAttribute = new JmxAttribute("dummy");
  88         dependerResolver.resolveInstance(Object.class,
  89                 ObjectNameUtil.createReadOnlyModuleON(dependentName),
  90                 dummyAttribute);
  91     }
  92
  93     private static void mockGetInstance(DependencyResolverManager tested,
  94             ModuleIdentifier moduleIdentifier) {
  95
  96         ModuleFactory moduleFactory = mock(ModuleFactory.class);
  97         ModuleInternalInfo maybeOldInternalInfo = null;
  98         TransactionModuleJMXRegistration transactionModuleJMXRegistration = null;
  99         boolean isDefaultBean = false;
 100
 101         tested.put(moduleIdentifier,
 102         mockedModule(),
 103         moduleFactory,
 104         maybeOldInternalInfo,
 105         transactionModuleJMXRegistration,
 106         isDefaultBean, mock(BundleContext.class));
 107     }
 108
 109     private static Module mockedModule() {
 110         Module mockedModule = mock(Module.class);
 111         doReturn(mock(AutoCloseable.class)).when(mockedModule).getInstance();
 112         return mockedModule;
 113     }
 114
 115 }