2 * Copyright (c) 2014, 2015 Cisco Systems, Inc. and others. All rights reserved.
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
9 package org.opendaylight.controller.cluster.common.actor;
11 import static java.util.concurrent.TimeUnit.MILLISECONDS;
12 import static org.junit.Assert.assertEquals;
13 import static org.junit.Assert.assertThrows;
14 import static org.junit.Assert.assertTrue;
16 import com.google.common.testing.FakeTicker;
17 import java.util.List;
18 import org.junit.Before;
19 import org.junit.Test;
20 import org.slf4j.Logger;
21 import org.slf4j.LoggerFactory;
23 public class MessageTrackerTest {
24 private static final class Foo {
25 // Intentionally empty
28 private static final Logger LOG = LoggerFactory.getLogger(MessageTrackerTest.class);
30 private FakeTicker ticker;
31 private MessageTracker messageTracker;
35 ticker = new FakeTicker();
36 messageTracker = new MessageTracker(Foo.class, 10, ticker);
40 public void testNoTracking() {
41 MessageTracker.Context context1 = messageTracker.received(new Foo());
44 ticker.advance(20, MILLISECONDS);
45 MessageTracker.Context context2 = messageTracker.received(new Foo());
50 public void testFailedExpectationOnTracking() {
51 messageTracker.begin();
53 MessageTracker.Context context1 = messageTracker.received(new Foo());
56 ticker.advance(20, MILLISECONDS);
58 MessageTracker.Context context2 = messageTracker.received(new Foo());
59 assertEquals(true, context2.error().isPresent());
60 assertEquals(0, context2.error().orElseThrow().getMessageProcessingTimesSinceLastExpectedMessage().size());
64 public void testFailedExpectationOnTrackingWithMessagesInBetween() {
65 messageTracker.begin();
67 MessageTracker.Context context1 = messageTracker.received(new Foo());
70 messageTracker.received("A").close();
71 messageTracker.received(10L).close();
72 MessageTracker.Context context = messageTracker.received(100);
74 ticker.advance(20, MILLISECONDS);
78 MessageTracker.Context context2 = messageTracker.received(new Foo());
80 assertEquals(true, context2.error().isPresent());
82 MessageTracker.Error error = context2.error().orElseThrow();
84 List<MessageTracker.MessageProcessingTime> messageProcessingTimes =
85 error.getMessageProcessingTimesSinceLastExpectedMessage();
87 assertEquals(3, messageProcessingTimes.size());
89 assertEquals(String.class, messageProcessingTimes.get(0).getMessageClass());
90 assertEquals(Long.class, messageProcessingTimes.get(1).getMessageClass());
91 assertEquals(Integer.class, messageProcessingTimes.get(2).getMessageClass());
92 assertTrue(messageProcessingTimes.get(2).getElapsedTimeInNanos() > MILLISECONDS.toNanos(10));
93 assertEquals(Foo.class, error.getLastExpectedMessage().getClass());
94 assertEquals(Foo.class, error.getCurrentExpectedMessage().getClass());
96 LOG.error("An error occurred : {}" , error);
100 public void testMetExpectationOnTracking() {
101 messageTracker.begin();
103 MessageTracker.Context context1 = messageTracker.received(new Foo());
106 ticker.advance(1, MILLISECONDS);
108 MessageTracker.Context context2 = messageTracker.received(new Foo());
109 assertEquals(false, context2.error().isPresent());
113 public void testIllegalStateExceptionWhenDoneIsNotCalledWhileTracking() {
114 messageTracker.begin();
116 messageTracker.received(new Foo());
118 assertThrows(IllegalStateException.class, () -> messageTracker.received(new Foo()));
122 public void testNoIllegalStateExceptionWhenDoneIsNotCalledWhileNotTracking() {
123 messageTracker.received(new Foo());
124 messageTracker.received(new Foo());
128 public void testDelayInFirstExpectedMessageArrival() {
129 messageTracker.begin();
131 ticker.advance(20, MILLISECONDS);
133 MessageTracker.Context context = messageTracker.received(new Foo());
135 assertEquals(true, context.error().isPresent());
137 MessageTracker.Error error = context.error().orElseThrow();
139 assertEquals(null, error.getLastExpectedMessage());
140 assertEquals(Foo.class, error.getCurrentExpectedMessage().getClass());
142 String errorString = error.toString();
143 assertTrue(errorString.contains("Last Expected Message = null"));
145 LOG.error("An error occurred : {}", error);
149 public void testCallingBeginDoesNotResetWatch() {
150 messageTracker.begin();
152 ticker.advance(20, MILLISECONDS);
154 messageTracker.begin();
156 MessageTracker.Context context = messageTracker.received(new Foo());
158 assertEquals(true, context.error().isPresent());
162 public void testMessagesSinceLastExpectedMessage() {
164 messageTracker.begin();
166 try (MessageTracker.Context ctx = messageTracker.received(45)) {
167 assertEquals(false, ctx.error().isPresent());
169 try (MessageTracker.Context ctx = messageTracker.received(45L)) {
170 assertEquals(false, ctx.error().isPresent());
173 List<MessageTracker.MessageProcessingTime> processingTimeList =
174 messageTracker.getMessagesSinceLastExpectedMessage();
176 assertEquals(2, processingTimeList.size());
178 assertEquals(Integer.class, processingTimeList.get(0).getMessageClass());
179 assertEquals(Long.class, processingTimeList.get(1).getMessageClass());