public void ReturnsMaxValue_WhenSet()
{
var sut = new SqsReceiveDelayCalculator(new SqsPollingQueueReaderOptions
{
InitialDelay = TimeSpan.FromSeconds(10),
MaxDelay = TimeSpan.FromSeconds(5)
});
sut.CalculateSecondsToDelay(Array.Empty <Message>());
var result = sut.CalculateSecondsToDelay(Array.Empty <Message>());
result.TotalSeconds.Should().Be(5);
}
public void ReturnsInitialDelayForAllCalls_WhenNotUsingExponentialBackOff()
{
var sut = new SqsReceiveDelayCalculator(new SqsPollingQueueReaderOptions
{
InitialDelay = TimeSpan.FromSeconds(10),
UseExponentialBackoff = false
});
sut.CalculateSecondsToDelay(Array.Empty <Message>());
sut.CalculateSecondsToDelay(Array.Empty <Message>());
var result = sut.CalculateSecondsToDelay(Array.Empty <Message>());
result.TotalSeconds.Should().Be(10);
}
public void ReturnsZeroTimeSpan_WhenMoreThanOneMessage()
{
var sut = new SqsReceiveDelayCalculator(new SqsPollingQueueReaderOptions
{
InitialDelay = TimeSpan.FromSeconds(2)
});
var result = sut.CalculateSecondsToDelay(new Message[] { new Message() });
result.TotalSeconds.Should().Be(0);
}
public void ReturnsExpectedDelay_WhenUsingExponentialBackOff(int numberOfEmptyPolls, int expected)
{
var sut = new SqsReceiveDelayCalculator(new SqsPollingQueueReaderOptions
{
InitialDelay = TimeSpan.FromSeconds(2)
});
TimeSpan result = TimeSpan.FromSeconds(-1);
for (int i = 0; i < numberOfEmptyPolls; i++)
{
result = sut.CalculateSecondsToDelay(Array.Empty <Message>());
}
result.TotalSeconds.Should().Be(expected);
}
