public void IfNumberOfRecievedItemsEqualsToNumberOfAcceptedErrorsListIsIgnored()
{
var transmitter = new StubTransmitter();
var policy = new PartialSuccessTransmissionPolicy();
policy.Initialize(transmitter);
var items = new List <ITelemetry> {
new EventTelemetry(), new EventTelemetry()
};
Transmission transmission = new Transmission(new Uri("http://uri"), items, "type", "encoding");
string response = BackendResponseHelper.CreateBackendResponse(
itemsReceived: 2,
itemsAccepted: 2,
errorCodes: new[] { "408", "408" });
var wrapper = new HttpWebResponseWrapper
{
StatusCode = 206,
Content = response
};
transmitter.OnTransmissionSent(new TransmissionProcessedEventArgs(transmission, null, wrapper));
Assert.AreEqual(0, transmitter.BackoffLogicManager.ConsecutiveErrors);
}
public void LogsAdditionalTracesIfResponseIsProvided()
{
using (var listener = new TestEventListener())
{
// Arrange:
const long AllKeywords = -1;
listener.EnableEvents(TelemetryChannelEventSource.Log, EventLevel.LogAlways, (EventKeywords)AllKeywords);
Transmission enqueuedTransmission = null;
var transmitter = new StubTransmitter(new BackoffLogicManager(TimeSpan.FromMilliseconds(10)))
{
OnEnqueue = transmission => { enqueuedTransmission = transmission; }
};
var policy = new ErrorHandlingTransmissionPolicy();
policy.Initialize(transmitter);
var failedTransmission = new StubTransmission();
var response = new HttpWebResponseWrapper {
Content = BackendResponseHelper.CreateBackendResponse(2, 1, new[] { "123" })
};
// Act:
transmitter.OnTransmissionSent(new TransmissionProcessedEventArgs(failedTransmission, CreateException(statusCode: 408), response));
// Assert:
var traces = listener.Messages.Where(item => item.Level == EventLevel.Warning).ToList();
Assert.AreEqual(2, traces.Count);
Assert.AreEqual(23, traces[0].EventId); // failed to send
Assert.AreEqual(7, traces[1].EventId); // additional trace
Assert.AreEqual("Explanation", traces[1].Payload[0]);
}
}
public void DoesNotSendTransmissionForUnsupportedCodes()
{
IList <Transmission> enqueuedTransmissions = new List <Transmission>();
var transmitter = new StubTransmitter
{
OnEnqueue = t => { enqueuedTransmissions.Add(t); }
};
var policy = new PartialSuccessTransmissionPolicy();
policy.Initialize(transmitter);
var items = new List <ITelemetry> {
new EventTelemetry(), new EventTelemetry()
};
Transmission transmission = new Transmission(new Uri("http://uri"), items, "type", "encoding");
string response = BackendResponseHelper.CreateBackendResponse(
itemsReceived: 50,
itemsAccepted: 45,
errorCodes: new[] { "400", "402", "502", "409", "417" });
var wrapper = new HttpWebResponseWrapper
{
StatusCode = 206,
Content = response
};
transmitter.OnTransmissionSent(new TransmissionProcessedEventArgs(transmission, null, wrapper));
Assert.AreEqual(0, transmitter.BackoffLogicManager.ConsecutiveErrors);
Assert.AreEqual(0, enqueuedTransmissions.Count);
}
public void IfItemsAreRejectedTheyAreUploadedBackAsASingleTransmission()
{
IList <Transmission> enqueuedTransmissions = new List <Transmission>();
var transmitter = new StubTransmitter
{
OnEnqueue = t => { enqueuedTransmissions.Add(t); }
};
var policy = new PartialSuccessTransmissionPolicy();
policy.Initialize(transmitter);
var items = new List <ITelemetry> {
new EventTelemetry(), new EventTelemetry()
};
Transmission transmission = new Transmission(new Uri("http://uri"), items, "type", "encoding");
string response = BackendResponseHelper.CreateBackendResponse(
itemsReceived: 3,
itemsAccepted: 0,
errorCodes: new[] { "408", "503", "500" });
var wrapper = new HttpWebResponseWrapper
{
StatusCode = 206,
Content = response
};
transmitter.OnTransmissionSent(new TransmissionProcessedEventArgs(transmission, null, wrapper));
Assert.AreEqual(1, enqueuedTransmissions.Count);
}
public void IfMultipleItemsAreRejectedNumberOfErrorsIsIncreasedByOne()
{
// Number of errors determine backoff timeout.
// When we get several bad items in one batch we want to increase errors by 1 only since it is one attempt to access Breeze
var transmitter = new StubTransmitter();
var policy = new PartialSuccessTransmissionPolicy();
policy.Initialize(transmitter);
var items = new List <ITelemetry> {
new EventTelemetry(), new EventTelemetry()
};
Transmission transmission = new Transmission(new Uri("http://uri"), items, "type", "encoding");
string response = BackendResponseHelper.CreateBackendResponse(
itemsReceived: 100,
itemsAccepted: 95,
errorCodes: new[] { "500", "500", "503", "503", "429" });
var wrapper = new HttpWebResponseWrapper
{
StatusCode = 206,
Content = response
};
transmitter.OnTransmissionSent(new TransmissionProcessedEventArgs(transmission, null, wrapper));
Assert.AreEqual(1, transmitter.BackoffLogicManager.ConsecutiveErrors);
}
public void IfIndexMoreThanNumberOfItemsInTransmissionIgnoreError()
{
IList <Transmission> enqueuedTransmissions = new List <Transmission>();
var transmitter = new StubTransmitter
{
OnEnqueue = t => { enqueuedTransmissions.Add(t); }
};
var policy = new PartialSuccessTransmissionPolicy();
policy.Initialize(transmitter);
var items = new List <ITelemetry> {
new EventTelemetry()
};
Transmission transmission = new Transmission(new Uri("http://uri"), items, "type", "encoding");
// Index is 0-based
string response = BackendResponseHelper.CreateBackendResponse(
itemsReceived: 2,
itemsAccepted: 1,
errorCodes: new[] { "408" },
indexStartWith: 1);
var wrapper = new HttpWebResponseWrapper
{
StatusCode = 206,
Content = response
};
transmitter.OnTransmissionSent(new TransmissionProcessedEventArgs(transmission, null, wrapper));
Assert.AreEqual(0, transmitter.BackoffLogicManager.ConsecutiveErrors);
Assert.AreEqual(0, enqueuedTransmissions.Count);
}
private static WebException CreateException(int statusCode)
{
string content = BackendResponseHelper.CreateBackendResponse(3, 1, new [] { "500" });
var bytes = Encoding.UTF8.GetBytes(content);
var responseStream = new MemoryStream();
responseStream.Write(bytes, 0, bytes.Length);
responseStream.Seek(0, SeekOrigin.Begin);
#if NETCOREAPP1_1
System.Net.Http.HttpResponseMessage responseMessage = new System.Net.Http.HttpResponseMessage((HttpStatusCode)statusCode);
responseMessage.Content = new System.Net.Http.StreamContent(responseStream);
ConstructorInfo ctor = typeof(HttpWebResponse).GetConstructors(BindingFlags.Instance | BindingFlags.NonPublic)[0];
HttpWebResponse webResponse = (HttpWebResponse)ctor.Invoke(new object[] { responseMessage, null, null });
return(new WebException("Transmitter Error", null, WebExceptionStatus.UnknownError, webResponse));
#else
var mockWebResponse = new Moq.Mock <HttpWebResponse>();
mockWebResponse.Setup(c => c.GetResponseStream()).Returns(responseStream);
mockWebResponse.SetupGet <HttpStatusCode>((webRes) => webRes.StatusCode).Returns((HttpStatusCode)statusCode);
return(new WebException("Transmitter Error", null, WebExceptionStatus.UnknownError, mockWebResponse.Object));
#endif
}
public void BackendResponseIsReturnedForCorrectContent()
{
string content = BackendResponseHelper.CreateBackendResponse(itemsReceived: 100, itemsAccepted: 1, errorCodes: new[] { "206" }, indexStartWith: 84);
var backendResponse = BackoffLogicManager.GetBackendResponse(content);
Assert.AreEqual(1, backendResponse.ItemsAccepted);
Assert.AreEqual(100, backendResponse.ItemsReceived);
Assert.AreEqual(1, backendResponse.Errors.Length); // Even though accepted number of items is 1 out of 99 we get only 1 error back. We do not expect same in production but SDK should handle it correctly.
Assert.AreEqual(84, backendResponse.Errors[0].Index);
Assert.AreEqual(206, backendResponse.Errors[0].StatusCode);
Assert.AreEqual("Explanation", backendResponse.Errors[0].Message);
}
private static WebException CreateException(int statusCode)
{
string content = BackendResponseHelper.CreateBackendResponse(3, 1, new [] { "500" });
var bytes = Encoding.UTF8.GetBytes(content);
var responseStream = new MemoryStream();
responseStream.Write(bytes, 0, bytes.Length);
responseStream.Seek(0, SeekOrigin.Begin);
var mockWebResponse = new Moq.Mock <HttpWebResponse>();
mockWebResponse.Setup(c => c.GetResponseStream()).Returns(responseStream);
mockWebResponse.SetupGet <HttpStatusCode>((webRes) => webRes.StatusCode).Returns((HttpStatusCode)statusCode);
return(new WebException("Transmitter Error", null, WebExceptionStatus.UnknownError, mockWebResponse.Object));
}
public void RestoresOriginalComponentCapacityInCaseOfOnePolicyRunningByTimerTwoTimes()
{
IList <Transmission> enqueuedTransmissions = new List <Transmission>();
var sender = new StubTransmissionSender {
Capacity = 2
};
var buffer = new StubTransmissionBuffer {
Capacity = 1
};
var storage = new StubTransmissionStorage {
Capacity = 100
};
var policies = new[] { new StubTransmissionScheduledPolicy() };
Transmitter transmitter = CreateTransmitter(sender, buffer, storage, policies: policies);
var items = new List <ITelemetry> {
new EventTelemetry(), new EventTelemetry()
};
Transmission transmission = new Transmission(new Uri("http://uri"), items, "type", "encoding");
string response = BackendResponseHelper.CreateBackendResponse(
itemsReceived: 2,
itemsAccepted: 1,
errorCodes: new[] { "500" });
var wrapper = new HttpWebResponseWrapper
{
StatusCode = 500,
Content = response
};
sender.OnTransmissionSent(new TransmissionProcessedEventArgs(transmission, null, wrapper));
sender.OnTransmissionSent(new TransmissionProcessedEventArgs(transmission, null, wrapper));
sender.OnTransmissionSent(new TransmissionProcessedEventArgs(transmission, null, wrapper));
Assert.IsTrue(policies[0].ActionInvoked.Wait(3000));
Assert.AreNotEqual(0, sender.Capacity);
Assert.AreNotEqual(0, buffer.Capacity);
}
public void NewTransmissionCreatedByIndexesFromResponse()
{
IList <Transmission> enqueuedTransmissions = new List <Transmission>();
var transmitter = new StubTransmitter
{
OnEnqueue = t => { enqueuedTransmissions.Add(t); }
};
var policy = new PartialSuccessTransmissionPolicy();
policy.Initialize(transmitter);
var items = new List <ITelemetry>
{
new EventTelemetry("1"),
new EventTelemetry("2"),
new EventTelemetry("3"),
};
Transmission transmission = new Transmission(new Uri("http://uri"), items, "type", "encoding");
string response = BackendResponseHelper.CreateBackendResponse(
itemsReceived: 3,
itemsAccepted: 1,
errorCodes: new[] { "439", "439" });
var wrapper = new HttpWebResponseWrapper
{
StatusCode = 206,
Content = response
};
transmitter.OnTransmissionSent(new TransmissionProcessedEventArgs(transmission, null, wrapper));
string[] newItems = JsonSerializer
.Deserialize(enqueuedTransmissions[0].Content)
.Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries);
Assert.AreEqual(2, newItems.Length);
Assert.IsTrue(newItems[0].Contains("\"name\":\"1\""));
Assert.IsTrue(newItems[1].Contains("\"name\":\"2\""));
}
public void ItemsAreEnqueuedOnFlushAsync()
{
IList <Transmission> enqueuedTransmissions = new List <Transmission>();
var transmitter = new StubTransmitter
{
OnEnqueue = t => { enqueuedTransmissions.Add(t); }
};
var policy = new PartialSuccessTransmissionPolicy();
policy.Initialize(transmitter);
var items = new List <ITelemetry> {
new EventTelemetry(), new EventTelemetry()
};
Transmission transmission = new Transmission(new Uri("http://uri"), items, "type", "encoding")
{
IsFlushAsyncInProgress = true
};
string response = BackendResponseHelper.CreateBackendResponse(
itemsReceived: 2,
itemsAccepted: 1,
errorCodes: new[] { "429" });
var wrapper = new HttpWebResponseWrapper
{
StatusCode = 206,
Content = response
};
transmitter.OnTransmissionSent(new TransmissionProcessedEventArgs(transmission, null, wrapper));
Assert.AreEqual(1, enqueuedTransmissions.Count);
Assert.IsTrue(transmission.IsFlushAsyncInProgress);
}
