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 org.junit.Before;
  11 import org.junit.Test;
  12 import org.opendaylight.controller.config.api.JmxAttribute;
  13 import org.opendaylight.controller.config.api.ModuleIdentifier;
  14 import org.opendaylight.controller.config.api.ServiceReferenceReadableRegistry;
  15 import org.opendaylight.controller.config.api.jmx.ObjectNameUtil;
  16 import org.opendaylight.controller.config.manager.impl.ModuleInternalInfo;
  17 import org.opendaylight.controller.config.manager.impl.TransactionIdentifier;
  18 import org.opendaylight.controller.config.manager.impl.TransactionStatus;
  19 import org.opendaylight.controller.config.manager.impl.jmx.TransactionModuleJMXRegistrator.TransactionModuleJMXRegistration;
  20 import org.opendaylight.controller.config.spi.Module;
  21 import org.opendaylight.controller.config.spi.ModuleFactory;
  22
  23 import java.util.Arrays;
  24 import java.util.List;
  25
  26 import static org.junit.Assert.assertEquals;
  27 import static org.mockito.Mockito.doNothing;
  28 import static org.mockito.Mockito.doReturn;
  29 import static org.mockito.Mockito.mock;
  30 import static org.mockito.Mockito.reset;
  31
  32 public class DependencyResolverManagerTest {
  33
  34     final ModuleIdentifier apspName = new ModuleIdentifier("apsp", "apsp"); // depends
  35                                                                             // on:
  36     final ModuleIdentifier threadPoolName = new ModuleIdentifier("threadpool",
  37             "threadpool"); // depends on:
  38     final ModuleIdentifier threadFactoryName = new ModuleIdentifier(
  39             "threadfactory", "threadfactory");
  40
  41     private DependencyResolverManager tested;
  42     TransactionStatus transactionStatus;
  43
  44     @Before
  45     public void setUp() {
  46         transactionStatus = mock(TransactionStatus.class);
  47         ServiceReferenceReadableRegistry mockedRegistry = mock(ServiceReferenceReadableRegistry.class);
  48         tested = new DependencyResolverManager(new TransactionIdentifier("txName"), transactionStatus, mockedRegistry, null);
  49         doNothing().when(transactionStatus).checkCommitStarted();
  50         doNothing().when(transactionStatus).checkNotCommitted();
  51     }
  52
  53     @Test
  54     public void testOrdering() {
  55         DependencyResolverImpl apspDRI = tested.getOrCreate(apspName);
  56         mockGetInstance(tested, apspName);
  57         DependencyResolverImpl threadPoolDRI = tested
  58                 .getOrCreate(threadPoolName);
  59         mockGetInstance(tested, threadPoolName);
  60         tested.getOrCreate(threadFactoryName);
  61         mockGetInstance(tested, threadFactoryName);
  62
  63         // set threadfactory as dependency of threadpool
  64         declareDependency(threadPoolDRI, threadFactoryName);
  65         // set threadpool as dependency of apsp
  66         declareDependency(apspDRI, threadPoolName);
  67
  68         // switch to second phase committed
  69         reset(transactionStatus);
  70         doNothing().when(transactionStatus).checkCommitted();
  71         List<ModuleIdentifier> sortedModuleIdentifiers = tested
  72                 .getSortedModuleIdentifiers();
  73         assertEquals(
  74                 Arrays.asList(threadFactoryName, threadPoolName, apspName),
  75                 sortedModuleIdentifiers);
  76
  77     }
  78
  79     /**
  80      * Simulate dependentResolver resolving its dependency identified by
  81      * dependentName.
  82      */
  83     private void declareDependency(DependencyResolverImpl dependerResolver,
  84             ModuleIdentifier dependentName) {
  85         JmxAttribute dummyAttribute = new JmxAttribute("dummy");
  86         dependerResolver.resolveInstance(Object.class,
  87                 ObjectNameUtil.createReadOnlyModuleON(dependentName),
  88                 dummyAttribute);
  89     }
  90
  91     private static void mockGetInstance(DependencyResolverManager tested,
  92             ModuleIdentifier moduleIdentifier) {
  93
  94         ModuleFactory moduleFactory = mock(ModuleFactory.class);
  95         ModuleInternalInfo maybeOldInternalInfo = null;
  96         TransactionModuleJMXRegistration transactionModuleJMXRegistration = null;
  97         boolean isDefaultBean = false;
  98
  99         tested.put(moduleIdentifier,
 100         mockedModule(),
 101          moduleFactory,
 102          maybeOldInternalInfo,
 103          transactionModuleJMXRegistration,
 104          isDefaultBean);
 105     }
 106
 107     private static Module mockedModule() {
 108         Module mockedModule = mock(Module.class);
 109         doReturn(mock(AutoCloseable.class)).when(mockedModule).getInstance();
 110         return mockedModule;
 111     }
 112
 113 }