bgp/rib-spi/src/test/java/org/opendaylight/protocol/bgp/rib/spi/util/ClusterSingletonServiceRegistrationHelperTest.java

   1 /*
   2  * Copyright (c) 2016 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.protocol.bgp.rib.spi.util;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.mockito.ArgumentMatchers.any;
  12 import static org.mockito.Mockito.doReturn;
  13 import static org.mockito.Mockito.verify;
  14 import static org.mockito.MockitoAnnotations.initMocks;
  15 import static org.opendaylight.protocol.bgp.rib.spi.util.ClusterSingletonServiceRegistrationHelper.registerSingletonService;
  16
  17 import org.junit.Before;
  18 import org.junit.Test;
  19 import org.mockito.Mock;
  20 import org.mockito.Mockito;
  21 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonService;
  22 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceProvider;
  23 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceRegistration;
  24
  25 public class ClusterSingletonServiceRegistrationHelperTest {
  26
  27     @Mock
  28     private ClusterSingletonService clusterSingletonService;
  29     @Mock
  30     private ClusterSingletonServiceProvider singletonProvider;
  31     @Mock
  32     private ClusterSingletonServiceRegistration serviceRegistration;
  33
  34     @Before
  35     public void setUp() {
  36         initMocks(this);
  37         doReturn(null).when(this.singletonProvider).registerClusterSingletonService(any());
  38         Mockito.when(this.singletonProvider.registerClusterSingletonService(any()))
  39                 .thenThrow(new RuntimeException())
  40                 .thenReturn(this.serviceRegistration);
  41     }
  42
  43     @Test(expected = RuntimeException.class)
  44     public void testRegisterSingletonServiceFailure() {
  45         registerSingletonService(this.singletonProvider, this.clusterSingletonService, 0, 1);
  46     }
  47
  48     @Test
  49     public void testRegisterSingletonServiceSuccessfulRetry() {
  50         final ClusterSingletonServiceRegistration registerSingletonService =
  51                 registerSingletonService(this.singletonProvider, this.clusterSingletonService, 1, 1);
  52         assertEquals(this.serviceRegistration, registerSingletonService);
  53         //first reg. attempt failed, second succeeded
  54         verify(this.singletonProvider, Mockito.times(2)).registerClusterSingletonService(any());
  55     }
  56 }