1
2
3
4
5
6
7 package org.mule.example.loanbroker.tests;
8
9 import org.mule.api.MuleException;
10 import org.mule.api.MuleMessage;
11 import org.mule.example.loanbroker.messages.Customer;
12 import org.mule.example.loanbroker.messages.CustomerQuoteRequest;
13 import org.mule.example.loanbroker.messages.LoanQuote;
14 import org.mule.module.client.MuleClient;
15 import org.mule.transport.NullPayload;
16 import org.mule.util.ExceptionHolder;
17 import org.mule.util.StringMessageUtils;
18
19 import java.beans.ExceptionListener;
20
21 import edu.emory.mathcs.backport.java.util.concurrent.CountDownLatch;
22
23 import org.apache.commons.lang.time.StopWatch;
24
25 import static org.junit.Assert.assertFalse;
26 import static org.junit.Assert.assertNotNull;
27 import static org.junit.Assert.assertTrue;
28 import static org.junit.Assert.fail;
29
30
31
32
33
34
35
36 public abstract class AbstractAsynchronousLoanBrokerTestCase extends AbstractLoanBrokerTestCase
37 {
38
39 @Override
40 protected int getNumberOfRequests()
41 {
42 return 100;
43 }
44
45
46 protected int getDelay()
47 {
48 return 30000;
49 }
50
51 protected int getWarmUpMessages()
52 {
53 return 50;
54 }
55
56 @Override
57 public void testSingleLoanRequest() throws Exception
58 {
59 MuleClient client = new MuleClient(muleContext);
60 Customer c = new Customer("Ross Mason", 1234);
61 CustomerQuoteRequest request = new CustomerQuoteRequest(c, 10000, 48);
62
63 client.dispatch("CustomerRequests", request, null);
64
65
66 MuleMessage result = client.request("CustomerResponses", getDelay());
67 assertNotNull("Result is null", result);
68 assertFalse("Result is null", result.getPayload() instanceof NullPayload);
69 assertTrue("Result should be LoanQuote but is " + result.getPayload().getClass().getName(),
70 result.getPayload() instanceof LoanQuote);
71 LoanQuote quote = (LoanQuote) result.getPayload();
72 assertTrue(quote.getInterestRate() > 0);
73 }
74
75 @Override
76 public void testLotsOfLoanRequests() throws Exception
77 {
78 final MuleClient client = new MuleClient(muleContext);
79 Customer c = new Customer("Ross Mason", 1234);
80 CustomerQuoteRequest[] requests = new CustomerQuoteRequest[3];
81 requests[0] = new CustomerQuoteRequest(c, 100000, 48);
82 requests[1] = new CustomerQuoteRequest(c, 1000, 12);
83 requests[2] = new CustomerQuoteRequest(c, 10, 24);
84
85 final StopWatch stopWatch = new StopWatch();
86
87 final int numRequests = getNumberOfRequests() + getWarmUpMessages();
88 int i = 0;
89
90 int numberOfThreads = 1;
91
92 CountDownLatch latch = new CountDownLatch(numberOfThreads);
93 ExceptionHolder exceptionHolder = new ExceptionHolder();
94 try
95 {
96 for (int x = 0; x < numberOfThreads; x++)
97 {
98 Thread thread = new Thread(new ClientReceiver(latch, numRequests / numberOfThreads, exceptionHolder));
99 thread.start();
100 }
101
102
103 for (i = 0; i < numRequests; i++)
104 {
105 if (i == getWarmUpMessages())
106 {
107 stopWatch.start();
108 }
109 client.dispatch("CustomerRequests", requests[i % 3], null);
110 }
111 }
112 finally
113 {
114 latch.await();
115 stopWatch.stop();
116 System.out.println("Total running time was: " + stopWatch.getTime() + "ms");
117 System.out.println("Requests processed was: " + i);
118 int mps = (int) (numRequests / ((double) stopWatch.getTime() / (double) 1000));
119 System.out.println("Msg/sec: " + mps + " (warm up msgs = " + getWarmUpMessages() + ")");
120 if(exceptionHolder.isExceptionThrown())
121 {
122 exceptionHolder.print();
123 fail("Exceptions thrown during async processing");
124 }
125 }
126 }
127
128 private class ClientReceiver implements Runnable
129 {
130
131 private CountDownLatch latch;
132 private int numberOfRequests;
133 private ExceptionListener exListener;
134
135 public ClientReceiver(CountDownLatch latch, int numberOfRequests, ExceptionListener exListener)
136 {
137 this.latch = latch;
138 this.numberOfRequests = numberOfRequests;
139 this.exListener = exListener;
140 }
141
142 public void run()
143 {
144 int i = 0;
145 try
146 {
147 MuleClient client = new MuleClient(muleContext);
148 MuleMessage result = null;
149 for (i = 0; i < numberOfRequests; i++)
150 {
151 try
152 {
153 result = client.request("CustomerResponses", getDelay());
154 }
155 catch (MuleException e)
156 {
157 exListener.exceptionThrown(e);
158 break;
159 }
160
161 assertNotNull("Result is null", result);
162 assertFalse("Result is null", result.getPayload() instanceof NullPayload);
163 assertTrue("Result should be LoanQuote but is " + result.getPayload().getClass().getName(),
164 result.getPayload() instanceof LoanQuote);
165 LoanQuote quote = (LoanQuote) result.getPayload();
166 assertTrue(quote.getInterestRate() > 0);
167 }
168 }
169 catch (Throwable e)
170 {
171
172 System.out.println(StringMessageUtils.getBoilerPlate("Processed Messages=" + i));
173 if(e instanceof Error)
174 {
175
176 exListener.exceptionThrown(new Exception(e));
177 }
178 else
179 {
180 exListener.exceptionThrown((Exception)e);
181 }
182 }
183 finally
184 {
185 latch.countDown();
186 }
187 }
188 }
189 }