Exemplo n.º 1
0
        /// <exception cref="System.Exception"></exception>
        public virtual void TestChangeTrackerBackoff()
        {
            Uri testURL = GetReplicationURL();
            CustomizableMockHttpClient mockHttpClient = new CustomizableMockHttpClient();

            mockHttpClient.AddResponderThrowExceptionAllRequests();
            ChangeTrackerClient client        = new _ChangeTrackerClient_214(mockHttpClient);
            ChangeTracker       changeTracker = new ChangeTracker(testURL, ChangeTracker.ChangeTrackerMode
                                                                  .LongPoll, 0, client);
            BackgroundTask task = new _BackgroundTask_235(changeTracker);

            task.Execute();
            try
            {
                // expected behavior:
                // when:
                //    mockHttpClient throws IOExceptions -> it should start high and then back off and numTimesExecute should be low
                for (int i = 0; i < 30; i++)
                {
                    int numTimesExectutedAfter10seconds = 0;
                    try
                    {
                        Sharpen.Thread.Sleep(1000);
                        // take a snapshot of num times the http client was called after 10 seconds
                        if (i == 10)
                        {
                            numTimesExectutedAfter10seconds = mockHttpClient.GetCapturedRequests().Count;
                        }
                        // take another snapshot after 20 seconds have passed
                        if (i == 20)
                        {
                            // by now it should have backed off, so the delta between 10s and 20s should be small
                            int delta = mockHttpClient.GetCapturedRequests().Count - numTimesExectutedAfter10seconds;
                            NUnit.Framework.Assert.IsTrue(delta < 25);
                        }
                    }
                    catch (Exception e)
                    {
                        Sharpen.Runtime.PrintStackTrace(e);
                    }
                }
            }
            finally
            {
                changeTracker.Stop();
            }
        }
 /// <exception cref="System.Exception"></exception>
 public virtual void TestChangeTrackerBackoff()
 {
     Uri testURL = GetReplicationURL();
     CustomizableMockHttpClient mockHttpClient = new CustomizableMockHttpClient();
     mockHttpClient.AddResponderThrowExceptionAllRequests();
     ChangeTrackerClient client = new _ChangeTrackerClient_214(mockHttpClient);
     ChangeTracker changeTracker = new ChangeTracker(testURL, ChangeTracker.ChangeTrackerMode
         .LongPoll, 0, client);
     BackgroundTask task = new _BackgroundTask_235(changeTracker);
     task.Execute();
     try
     {
         // expected behavior:
         // when:
         //    mockHttpClient throws IOExceptions -> it should start high and then back off and numTimesExecute should be low
         for (int i = 0; i < 30; i++)
         {
             int numTimesExectutedAfter10seconds = 0;
             try
             {
                 Sharpen.Thread.Sleep(1000);
                 // take a snapshot of num times the http client was called after 10 seconds
                 if (i == 10)
                 {
                     numTimesExectutedAfter10seconds = mockHttpClient.GetCapturedRequests().Count;
                 }
                 // take another snapshot after 20 seconds have passed
                 if (i == 20)
                 {
                     // by now it should have backed off, so the delta between 10s and 20s should be small
                     int delta = mockHttpClient.GetCapturedRequests().Count - numTimesExectutedAfter10seconds;
                     NUnit.Framework.Assert.IsTrue(delta < 25);
                 }
             }
             catch (Exception e)
             {
                 Sharpen.Runtime.PrintStackTrace(e);
             }
         }
     }
     finally
     {
         changeTracker.Stop();
     }
 }