opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/TransactionRateLimitingCallbackTest.java

   1 /*
   2  * Copyright (c) 2015 Brocade Communications 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.cluster.datastore;
   9
  10 import static org.junit.Assert.fail;
  11 import static org.mockito.Matchers.any;
  12 import static org.mockito.Matchers.anyLong;
  13 import static org.mockito.Mockito.doReturn;
  14 import static org.mockito.Mockito.never;
  15 import static org.mockito.Mockito.verify;
  16 import com.codahale.metrics.Timer;
  17 import com.google.common.base.Ticker;
  18 import java.util.concurrent.TimeUnit;
  19 import org.junit.Before;
  20 import org.junit.Test;
  21 import org.mockito.Mock;
  22 import org.mockito.MockitoAnnotations;
  23 import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
  24
  25 /**
  26  * Unit tests for TransactionRateLimitingCallback.
  27  *
  28  * @author Thomas Pantelis
  29  */
  30 public class TransactionRateLimitingCallbackTest {
  31
  32     @Mock
  33     ActorContext mockContext;
  34
  35     @Mock
  36     Timer mockTimer;
  37
  38     @Mock
  39     Ticker mockTicker;
  40
  41     TransactionRateLimitingCallback callback;
  42
  43     @Before
  44     public void setUp(){
  45         MockitoAnnotations.initMocks(this);
  46         doReturn(mockTimer).when(mockContext).getOperationTimer(ActorContext.COMMIT);
  47         callback = new TransactionRateLimitingCallback(mockContext);
  48         TransactionRateLimitingCallback.setTicker(mockTicker);
  49     }
  50
  51     @Test
  52     public void testSuccessWithoutPause() {
  53         doReturn(1L).doReturn(201L).when(mockTicker).read();
  54
  55         callback.run();
  56         callback.success();
  57
  58         verify(mockTimer).update(200L, TimeUnit.NANOSECONDS);
  59     }
  60
  61     @Test
  62     public void testSuccessWithPause() {
  63         doReturn(1L).doReturn(201L).doReturn(301L).doReturn(351L).when(mockTicker).read();
  64
  65         callback.run();
  66         callback.pause();
  67         callback.pause();
  68         callback.resume();
  69         callback.resume();
  70         callback.success();
  71
  72         verify(mockTimer).update(250L, TimeUnit.NANOSECONDS);
  73     }
  74
  75     @Test
  76     public void testFailure() {
  77         doReturn(1L).when(mockTicker).read();
  78
  79         callback.run();
  80         callback.failure();
  81
  82         verify(mockTimer, never()).update(anyLong(), any(TimeUnit.class));
  83     }
  84
  85     @Test
  86     public void testSuccessWithoutRun(){
  87         try {
  88             callback.success();
  89             fail("Expected IllegalStateException");
  90         } catch(IllegalStateException e){
  91
  92         }
  93
  94         verify(mockTimer, never()).update(anyLong(), any(TimeUnit.class));
  95     }
  96 }