dom/mdsal-dom-broker/src/test/java/org/opendaylight/mdsal/dom/broker/DOMBrokerTest.java

   1 /*
   2  * Copyright (c) 2014, 2015 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.mdsal.dom.broker;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertFalse;
  12 import static org.junit.Assert.assertNotNull;
  13 import static org.junit.Assert.assertTrue;
  14 import static org.opendaylight.mdsal.common.api.LogicalDatastoreType.CONFIGURATION;
  15 import static org.opendaylight.mdsal.common.api.LogicalDatastoreType.OPERATIONAL;
  16
  17 import com.google.common.base.Optional;
  18 import com.google.common.collect.ImmutableMap;
  19 import com.google.common.util.concurrent.ForwardingExecutorService;
  20 import com.google.common.util.concurrent.ListenableFuture;
  21 import com.google.common.util.concurrent.ListeningExecutorService;
  22 import com.google.common.util.concurrent.MoreExecutors;
  23 import java.util.Collections;
  24 import java.util.concurrent.ExecutionException;
  25 import java.util.concurrent.ExecutorService;
  26 import java.util.concurrent.Executors;
  27 import java.util.concurrent.RejectedExecutionException;
  28 import java.util.concurrent.TimeUnit;
  29 import java.util.concurrent.atomic.AtomicReference;
  30 import org.junit.After;
  31 import org.junit.Before;
  32 import org.junit.Test;
  33 import org.mockito.Mockito;
  34 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  35 import org.opendaylight.mdsal.common.api.ReadFailedException;
  36 import org.opendaylight.mdsal.common.api.TransactionCommitDeadlockException;
  37 import org.opendaylight.mdsal.common.api.TransactionCommitFailedException;
  38 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadTransaction;
  39 import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction;
  40 import org.opendaylight.mdsal.dom.broker.util.TestModel;
  41 import org.opendaylight.mdsal.dom.spi.store.DOMStore;
  42 import org.opendaylight.mdsal.dom.store.inmemory.InMemoryDOMDataStore;
  43 import org.opendaylight.yangtools.util.concurrent.DeadlockDetectingListeningExecutorService;
  44 import org.opendaylight.yangtools.util.concurrent.SpecialExecutors;
  45 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  46 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
  47 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  48 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
  49 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  50 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  51
  52 public class DOMBrokerTest {
  53
  54     private SchemaContext schemaContext;
  55     private AbstractDOMDataBroker domBroker;
  56     private ListeningExecutorService executor;
  57     private ExecutorService futureExecutor;
  58     private CommitExecutorService commitExecutor;
  59
  60     @Before
  61     public void setupStore() throws Exception {
  62         final InMemoryDOMDataStore operStore = new InMemoryDOMDataStore("OPER",
  63                 MoreExecutors.newDirectExecutorService());
  64         final InMemoryDOMDataStore configStore = new InMemoryDOMDataStore("CFG",
  65                 MoreExecutors.newDirectExecutorService());
  66         schemaContext = TestModel.createTestContext();
  67
  68         operStore.onGlobalContextUpdated(schemaContext);
  69         configStore.onGlobalContextUpdated(schemaContext);
  70
  71         final ImmutableMap<LogicalDatastoreType, DOMStore> stores = ImmutableMap.<LogicalDatastoreType, DOMStore> builder()
  72                 .put(CONFIGURATION, configStore)
  73                 .put(OPERATIONAL, operStore)
  74                 .build();
  75
  76         commitExecutor = new CommitExecutorService(Executors.newSingleThreadExecutor());
  77         futureExecutor = SpecialExecutors.newBlockingBoundedCachedThreadPool(1, 5, "FCB");
  78         executor = new DeadlockDetectingListeningExecutorService(commitExecutor,
  79                 TransactionCommitDeadlockException.DEADLOCK_EXCEPTION_SUPPLIER, futureExecutor);
  80         domBroker = new SerializedDOMDataBroker(stores, executor);
  81     }
  82
  83     @After
  84     public void tearDown() {
  85         if( executor != null ) {
  86             executor.shutdownNow();
  87         }
  88
  89         if(futureExecutor != null) {
  90             futureExecutor.shutdownNow();
  91         }
  92     }
  93
  94     @Test(timeout=10000)
  95     public void testTransactionIsolation() throws InterruptedException, ExecutionException {
  96         assertNotNull(domBroker);
  97
  98         final DOMDataTreeReadTransaction readTx = domBroker.newReadOnlyTransaction();
  99         assertNotNull(readTx);
 100
 101         final DOMDataTreeWriteTransaction writeTx = domBroker.newWriteOnlyTransaction();
 102         assertNotNull(writeTx);
 103
 104         /**
 105          *
 106          * Writes /test in writeTx
 107          *
 108          */
 109         writeTx.put(OPERATIONAL, TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
 110
 111         /**
 112          *
 113          * Reads /test from readTx Read should return Absent.
 114          *
 115          */
 116         final ListenableFuture<Optional<NormalizedNode<?, ?>>> readTxContainer = readTx
 117                 .read(OPERATIONAL, TestModel.TEST_PATH);
 118         assertFalse(readTxContainer.get().isPresent());
 119     }
 120
 121     @Test(timeout=10000)
 122     public void testTransactionCommit() throws InterruptedException, ExecutionException {
 123         final DOMDataTreeWriteTransaction writeTx = domBroker.newWriteOnlyTransaction();
 124         assertNotNull(writeTx);
 125         /**
 126          *
 127          * Writes /test in writeTx
 128          *
 129          */
 130         writeTx.put(OPERATIONAL, TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
 131
 132         writeTx.submit().get();
 133
 134         final Optional<NormalizedNode<?, ?>> afterCommitRead = domBroker.newReadOnlyTransaction()
 135                 .read(OPERATIONAL, TestModel.TEST_PATH).get();
 136         assertTrue(afterCommitRead.isPresent());
 137     }
 138
 139     @Test(expected=TransactionCommitFailedException.class)
 140     public void testRejectedCommit() throws Exception {
 141         commitExecutor.delegate = Mockito.mock( ExecutorService.class );
 142         Mockito.doThrow( new RejectedExecutionException( "mock" ) )
 143             .when( commitExecutor.delegate ).execute( Mockito.any( Runnable.class ) );
 144         Mockito.doNothing().when( commitExecutor.delegate ).shutdown();
 145         Mockito.doReturn( Collections.emptyList() ).when( commitExecutor.delegate ).shutdownNow();
 146         Mockito.doReturn( "" ).when( commitExecutor.delegate ).toString();
 147         Mockito.doReturn( true ).when( commitExecutor.delegate )
 148             .awaitTermination( Mockito.anyLong(), Mockito.any( TimeUnit.class ) );
 149
 150         final DOMDataTreeWriteTransaction writeTx = domBroker.newWriteOnlyTransaction();
 151         writeTx.put( OPERATIONAL, TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME) );
 152
 153         writeTx.submit().checkedGet( 5, TimeUnit.SECONDS );
 154     }
 155
 156     AtomicReference<Throwable> submitTxAsync( final DOMDataTreeWriteTransaction writeTx ) {
 157         final AtomicReference<Throwable> caughtEx = new AtomicReference<>();
 158         new Thread() {
 159             @Override
 160             public void run() {
 161
 162                 try {
 163                     writeTx.submit();
 164                 } catch( final Throwable e ) {
 165                     caughtEx.set( e );
 166                 }
 167             }
 168
 169         }.start();
 170
 171         return caughtEx;
 172     }
 173
 174     @Test(expected = ReadFailedException.class)
 175     public void basicTests() throws Exception {
 176         final DataContainerChild<?, ?> outerList = ImmutableNodes.mapNodeBuilder(TestModel.OUTER_LIST_QNAME)
 177                 .withChild(ImmutableNodes.mapEntry(TestModel.OUTER_LIST_QNAME, TestModel.ID_QNAME, 1))
 178                 .build();
 179         final NormalizedNode<?, ?> testContainer = Builders.containerBuilder()
 180                 .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(TestModel.TEST_QNAME))
 181                 .withChild(outerList)
 182                 .build();
 183
 184         DOMDataTreeWriteTransaction writeTx = domBroker.newWriteOnlyTransaction();
 185         final DOMDataTreeReadTransaction readRx = domBroker.newReadOnlyTransaction();
 186         assertNotNull(writeTx);
 187         assertNotNull(readRx);
 188
 189         writeTx.put(OPERATIONAL, TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
 190         writeTx.submit().get();
 191         assertFalse(writeTx.cancel());
 192
 193         assertEquals(false, domBroker.newReadOnlyTransaction().exists(CONFIGURATION, TestModel.TEST_PATH).get());
 194         assertEquals(true, domBroker.newReadOnlyTransaction().exists(OPERATIONAL, TestModel.TEST_PATH).get());
 195         assertEquals(false, domBroker.newReadOnlyTransaction().exists(OPERATIONAL, TestModel.TEST2_PATH).get());
 196
 197         writeTx = domBroker.newWriteOnlyTransaction();
 198         writeTx.put(OPERATIONAL, TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
 199         writeTx.delete(OPERATIONAL, TestModel.TEST_PATH);
 200         writeTx.submit().get();
 201         assertEquals(false, domBroker.newReadOnlyTransaction().exists(OPERATIONAL, TestModel.TEST_PATH).get());
 202         assertTrue(domBroker.newWriteOnlyTransaction().cancel());
 203
 204         writeTx = domBroker.newWriteOnlyTransaction();
 205         writeTx.put(OPERATIONAL, TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
 206         writeTx.merge(OPERATIONAL, TestModel.TEST_PATH, testContainer);
 207         writeTx.submit().get();
 208         assertEquals(true, domBroker.newReadOnlyTransaction().exists(OPERATIONAL, TestModel.TEST_PATH).get());
 209         assertEquals(true, domBroker.newReadOnlyTransaction().read(OPERATIONAL, TestModel.TEST_PATH).get()
 210                  .get().toString().contains(testContainer.toString()));
 211
 212         readRx.close();
 213         //Expected exception after close call
 214         readRx.read(OPERATIONAL, TestModel.TEST_PATH).checkedGet();
 215     }
 216
 217     @Test
 218     public void closeTest() throws Exception {
 219         final String TEST_EXCEPTION = "TestException";
 220
 221         domBroker.setCloseable(() -> { throw new Exception(TEST_EXCEPTION); });
 222         try{
 223             domBroker.close();
 224         }catch(final Exception e){
 225             assertTrue(e.getMessage().contains(TEST_EXCEPTION));
 226         }
 227     }
 228
 229     static class CommitExecutorService extends ForwardingExecutorService {
 230
 231         ExecutorService delegate;
 232
 233         public CommitExecutorService( final ExecutorService delegate ) {
 234             this.delegate = delegate;
 235         }
 236
 237         @Override
 238         protected ExecutorService delegate() {
 239             return delegate;
 240         }
 241     }
 242 }