/// <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();
}
}