public void CalculateRetryDelayUsesExponentialMode(int iterations)
{
var policy = new BasicRetryPolicy(new EventHubsRetryOptions
{
MaximumRetries = 99,
Delay = TimeSpan.FromMilliseconds(15),
MaximumDelay = TimeSpan.FromHours(50000),
Mode = EventHubsRetryMode.Exponential
});
TimeSpan previousDelay = TimeSpan.Zero;
for (var index = 0; index < iterations; ++index)
{
var variance = TimeSpan.FromSeconds((policy.Options.Delay.TotalSeconds * index) * policy.JitterFactor);
TimeSpan?delay = policy.CalculateRetryDelay(Mock.Of <TimeoutException>(), index);
Assert.That(delay.HasValue, Is.True, $"Iteration: { index } did not have a value.");
Assert.That(delay.Value, Is.GreaterThan(previousDelay.Add(variance)), $"Iteration: { index } produced an unexpected delay.");
previousDelay = delay.Value;
}
}
public async Task CreateBatchAsyncEnsuresMaximumMessageSizeIsPopulated()
{
var retryPolicy = new BasicRetryPolicy(new RetryOptions {
TryTimeout = TimeSpan.FromSeconds(17)
});
var producer = new Mock <AmqpProducer>("aHub", null, Mock.Of <AmqpConnectionScope>(), new AmqpMessageConverter(), retryPolicy)
{
CallBase = true
};
producer
.Protected()
.Setup <Task <SendingAmqpLink> >("CreateLinkAndEnsureProducerStateAsync",
ItExpr.IsAny <string>(),
ItExpr.IsAny <TimeSpan>(),
ItExpr.IsAny <CancellationToken>())
.Callback(() => SetMaximumMessageSize(producer.Object, 512))
.Returns(Task.FromResult(new SendingAmqpLink(new AmqpLinkSettings())))
.Verifiable();
using TransportEventBatch batch = await producer.Object.CreateBatchAsync(new CreateBatchOptions (), default);
producer.VerifyAll();
}
