southbound/southbound-impl/src/test/java/org/opendaylight/ovsdb/southbound/transactions/md/TransactionInvokerImplTest.java

   1 /*
   2  * Copyright (c) 2015 Inocybe Technologies 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.ovsdb.southbound.transactions.md;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertNotNull;
  12 import static org.junit.Assert.assertTrue;
  13 import static org.mockito.ArgumentMatchers.any;
  14 import static org.mockito.Mockito.doNothing;
  15 import static org.mockito.Mockito.doReturn;
  16 import static org.mockito.Mockito.mock;
  17 import static org.mockito.Mockito.verify;
  18 import static org.powermock.reflect.Whitebox.getInternalState;
  19
  20 import com.google.common.collect.ImmutableList;
  21 import java.util.ArrayList;
  22 import java.util.Collections;
  23 import java.util.HashMap;
  24 import java.util.Map;
  25 import java.util.Queue;
  26 import java.util.concurrent.ExecutorService;
  27 import org.junit.Before;
  28 import org.junit.Test;
  29 import org.junit.runner.RunWith;
  30 import org.mockito.Mock;
  31 import org.mockito.junit.MockitoJUnitRunner;
  32 import org.opendaylight.controller.md.sal.binding.api.BindingTransactionChain;
  33 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  34 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  35 import org.opendaylight.controller.md.sal.common.api.data.AsyncTransaction;
  36 import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;
  37
  38 @RunWith(MockitoJUnitRunner.class)
  39 public class TransactionInvokerImplTest {
  40     @Mock
  41     private BindingTransactionChain chain;
  42     @Mock
  43     private DataBroker db;
  44
  45     @Before
  46     public void setUp() {
  47         doReturn(chain).when(db).createTransactionChain(any(TransactionChainListener.class));
  48         doNothing().when(chain).close();
  49     }
  50
  51     @Test
  52     public void testConstructor() throws InterruptedException {
  53         try (TransactionInvokerImpl invoker = new TransactionInvokerImpl(db)) {
  54             verify(db).createTransactionChain(any(TransactionChainListener.class));
  55             assertNotNull(getInternalState(invoker, "executor"));
  56         }
  57     }
  58
  59     @Test
  60     public void testInvoke() {
  61         final TransactionInvokerImpl invoker = new TransactionInvokerImpl(db, new ArrayList<>());
  62         final TransactionCommand command = mock(TransactionCommand.class);
  63         invoker.invoke(command);
  64
  65         Queue<TransactionCommand> inputQueue = getInternalState(invoker, "inputQueue");
  66         assertEquals(1, inputQueue.size());
  67         assertTrue(inputQueue.contains(command));
  68     }
  69
  70     @Test
  71     public void testOnTransactionChainFailed() {
  72         final TransactionInvokerImpl invoker = new TransactionInvokerImpl(db, new ArrayList<>());
  73
  74         final AsyncTransaction<?, ?> transaction = mock(AsyncTransaction.class);
  75         invoker.onTransactionChainFailed(chain, transaction, new Throwable());
  76
  77         final Queue<?> failedQueue = getInternalState(invoker, "failedTransactionQueue");
  78         assertEquals(1, failedQueue.size());
  79         assertTrue(failedQueue.contains(transaction));
  80     }
  81
  82     @Test
  83     public void testExtractResubmitCommands() {
  84         final ReadWriteTransaction tx1 = mock(ReadWriteTransaction.class);
  85         final ReadWriteTransaction tx2 = mock(ReadWriteTransaction.class);
  86         final ReadWriteTransaction tx3 = mock(ReadWriteTransaction.class);
  87
  88         final Map<ReadWriteTransaction,TransactionCommand> transactionToCommand = new HashMap<>();
  89         transactionToCommand.put(tx1, mock(TransactionCommand.class));
  90         final TransactionCommand cmd2 = mock(TransactionCommand.class);
  91         transactionToCommand.put(tx2, cmd2);
  92         final TransactionCommand cmd3 = mock(TransactionCommand.class);
  93         transactionToCommand.put(tx3, cmd3);
  94
  95         final TransactionInvokerImpl invoker = new TransactionInvokerImpl(db,
  96             // Given pending transaction order ...
  97             ImmutableList.of(tx1, tx2, tx3),
  98             // .. if tx2 fails ...
  99             Collections.singletonList(tx2),
 100             transactionToCommand);
 101
 102         // .. we want to replay tx2 and tx3
 103         assertEquals(ImmutableList.of(cmd2, cmd3), invoker.extractResubmitCommands());
 104     }
 105
 106     @Test
 107     public void testResetTransactionQueue() {
 108         final TransactionInvokerImpl invoker = new TransactionInvokerImpl(db, Collections.emptyList(),
 109             Collections.singletonList(mock(ReadWriteTransaction.class)), Collections.emptyMap());
 110
 111         invoker.resetTransactionQueue();
 112
 113         assertNotNull(getInternalState(invoker, "pendingTransactions"));
 114         assertNotNull(getInternalState(invoker, "transactionToCommand"));
 115         final Queue<?> failedTransactionQueue = getInternalState(invoker, "failedTransactionQueue");
 116         assertEquals(0, failedTransactionQueue.size());
 117     }
 118
 119     @Test
 120     public void testRecordPendingTransaction() {
 121         final TransactionInvokerImpl invoker = new TransactionInvokerImpl(db, Collections.emptyList());
 122
 123         final TransactionCommand command = mock(TransactionCommand.class);
 124         final ReadWriteTransaction transaction = mock(ReadWriteTransaction.class);
 125         invoker.recordPendingTransaction(command, transaction);
 126
 127         Queue<ReadWriteTransaction> testPendingTransactions = getInternalState(invoker, "pendingTransactions");
 128         assertEquals(1, testPendingTransactions.size());
 129         assertTrue(testPendingTransactions.contains(transaction));
 130
 131         assertEquals(Collections.singletonMap(transaction, command), getInternalState(invoker, "transactionToCommand"));
 132     }
 133
 134     @Test
 135     public void testExtractCommands() throws InterruptedException {
 136         final TransactionInvokerImpl invoker = new TransactionInvokerImpl(db, Collections.emptyList());
 137
 138         final TransactionCommand command = mock(TransactionCommand.class);
 139         invoker.invoke(command);
 140
 141         assertEquals(Collections.singletonList(command), invoker.extractCommands());
 142     }
 143
 144     @Test
 145     public void testExtractCommandsFromQueue() throws InterruptedException {
 146         final TransactionInvokerImpl invoker = new TransactionInvokerImpl(db, Collections.emptyList());
 147
 148         final TransactionCommand command = mock(TransactionCommand.class);
 149         invoker.invoke(command);
 150
 151         assertEquals(Collections.singletonList(command), invoker.extractCommandsFromQueue());
 152     }
 153
 154     @Test
 155     public void testClose() throws InterruptedException {
 156         final ExecutorService executor = mock(ExecutorService.class);
 157         doNothing().when(executor).shutdown();
 158
 159         try (TransactionInvokerImpl invoker = new TransactionInvokerImpl(db, executor)) {
 160             // No-op, but invokes close
 161         }
 162
 163         verify(executor).shutdown();
 164     }
 165 }