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