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 @Deprecated(since = "9.0.0", forRemoval = true)
  33 @RunWith(MockitoJUnitRunner.StrictStubs.class)
  34 public class TransactionRateLimitingCallbackTest {
  35     @Mock
  36     ActorUtils mockContext;
  37     @Mock
  38     Timer mockTimer;
  39     @Mock
  40     Ticker mockTicker;
  41
  42     TransactionRateLimitingCallback callback;
  43
  44     @Before
  45     public void setUp() {
  46         doReturn(mockTimer).when(mockContext).getOperationTimer(ActorUtils.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         final var ex = assertThrows(IllegalStateException.class, callback::success);
  88
  89         verify(mockTimer, never()).update(anyLong(), any(TimeUnit.class));
  90     }
  91 }