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 = this.GetBackendResponse(
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.Equal(0, policy.ConsecutiveErrors);
Assert.Equal(0, enqueuedTransmissions.Count);
}
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 = this.GetBackendResponse(
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.Equal(0, policy.ConsecutiveErrors);
Assert.Equal(0, enqueuedTransmissions.Count);
}
public void IfItemIsRejectedOnlyThisItemIsUploadedBack()
{
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 = this.GetBackendResponse(
itemsReceived: 2,
itemsAccepted: 1,
errorCodes: new[] { "429" });
var wrapper = new HttpWebResponseWrapper
{
StatusCode = 206,
Content = response
};
transmitter.OnTransmissionSent(new TransmissionProcessedEventArgs(transmission, null, wrapper));
Assert.Equal(1, enqueuedTransmissions.Count);
}
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 = this.GetBackendResponse(
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.Equal(2, newItems.Length);
Assert.True(newItems[0].Contains("\"name\":\"1\""));
Assert.True(newItems[1].Contains("\"name\":\"2\""));
}
public void IfResponseIsBadJsonWeDoNotIncreaseErrorCount()
{
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 = "[,]";
var wrapper = new HttpWebResponseWrapper
{
StatusCode = 206,
Content = response
};
transmitter.OnTransmissionSent(new TransmissionProcessedEventArgs(transmission, null, wrapper));
Assert.Equal(0, policy.ConsecutiveErrors);
Assert.Equal(0, enqueuedTransmissions.Count);
}
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 = this.GetBackendResponse(
itemsReceived: 2,
itemsAccepted: 2,
errorCodes: new[] { "408", "408" });
var wrapper = new HttpWebResponseWrapper
{
StatusCode = 206,
Content = response
};
transmitter.OnTransmissionSent(new TransmissionProcessedEventArgs(transmission, null, wrapper));
Assert.Equal(0, policy.ConsecutiveErrors);
}
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 = this.GetBackendResponse(
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.Equal(1, policy.ConsecutiveErrors);
}