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
  19 import org.junit.Before;
  20 import org.junit.Test;
  21 import org.opendaylight.controller.config.api.JmxAttribute;
  22 import org.opendaylight.controller.config.api.ModuleIdentifier;
  23 import org.opendaylight.controller.config.api.ServiceReferenceReadableRegistry;
  24 import org.opendaylight.controller.config.api.jmx.ObjectNameUtil;
  25 import org.opendaylight.controller.config.manager.impl.ModuleInternalTransactionalInfo;
  26 import org.opendaylight.controller.config.manager.impl.TransactionStatus;
  27 import org.opendaylight.controller.config.spi.Module;
  28
  29 public class DependencyResolverManagerTest {
  30
  31     final ModuleIdentifier apspName = new ModuleIdentifier("apsp", "apsp"); // depends
  32                                                                             // on:
  33     final ModuleIdentifier threadPoolName = new ModuleIdentifier("threadpool",
  34             "threadpool"); // depends on:
  35     final ModuleIdentifier threadFactoryName = new ModuleIdentifier(
  36             "threadfactory", "threadfactory");
  37
  38     private DependencyResolverManager tested;
  39     TransactionStatus transactionStatus;
  40
  41     @Before
  42     public void setUp() {
  43         transactionStatus = mock(TransactionStatus.class);
  44         ServiceReferenceReadableRegistry mockedRegistry = mock(ServiceReferenceReadableRegistry.class);
  45         tested = new DependencyResolverManager("txName", transactionStatus, mockedRegistry);
  46         doNothing().when(transactionStatus).checkCommitStarted();
  47         doNothing().when(transactionStatus).checkNotCommitted();
  48     }
  49
  50     @Test
  51     public void testOrdering() {
  52         DependencyResolverImpl apspDRI = tested.getOrCreate(apspName);
  53         mockGetInstance(tested, apspName);
  54         DependencyResolverImpl threadPoolDRI = tested
  55                 .getOrCreate(threadPoolName);
  56         mockGetInstance(tested, threadPoolName);
  57         tested.getOrCreate(threadFactoryName);
  58         mockGetInstance(tested, threadFactoryName);
  59
  60         // set threadfactory as dependency of threadpool
  61         declareDependency(threadPoolDRI, threadFactoryName);
  62         // set threadpool as dependency of apsp
  63         declareDependency(apspDRI, threadPoolName);
  64
  65         // switch to second phase committed
  66         reset(transactionStatus);
  67         doNothing().when(transactionStatus).checkCommitted();
  68         List<ModuleIdentifier> sortedModuleIdentifiers = tested
  69                 .getSortedModuleIdentifiers();
  70         assertEquals(
  71                 Arrays.asList(threadFactoryName, threadPoolName, apspName),
  72                 sortedModuleIdentifiers);
  73
  74     }
  75
  76     /**
  77      * Simulate dependentResolver resolving its dependency identified by
  78      * dependentName.
  79      */
  80     private void declareDependency(DependencyResolverImpl dependerResolver,
  81             ModuleIdentifier dependentName) {
  82         JmxAttribute dummyAttribute = new JmxAttribute("dummy");
  83         dependerResolver.resolveInstance(Object.class,
  84                 ObjectNameUtil.createReadOnlyModuleON(dependentName),
  85                 dummyAttribute);
  86     }
  87
  88     private static void mockGetInstance(DependencyResolverManager tested,
  89             ModuleIdentifier moduleIdentifier) {
  90         ModuleInternalTransactionalInfo mock = mock(ModuleInternalTransactionalInfo.class);
  91         doReturn(moduleIdentifier).when(mock).getIdentifier();
  92         doReturn(mockedModule()).when(mock).getModule();
  93         tested.put(mock);
  94     }
  95
  96     private static Module mockedModule() {
  97         Module mockedModule = mock(Module.class);
  98         doReturn(mock(AutoCloseable.class)).when(mockedModule).getInstance();
  99         return mockedModule;
 100     }
 101
 102 }