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