public void GetRetryDelay_FirstTry_ReturnsBaseDelay()
{
// Arrange
var classUnderTest = new LimitedExponentialBackoffRetryStrategy();
var context = new RetryContext();
// Act
classUnderTest.BaseDelay = TimeSpan.FromMilliseconds(200);
var retryDelay = classUnderTest.NextRetryDelay(context);
// Assert
Assert.AreEqual(TimeSpan.FromMilliseconds(200), retryDelay);
}
public void GetRetryDelay_ThirdTry_Returns400Milliseconds()
{
// Arrange
var classUnderTest = new LimitedExponentialBackoffRetryStrategy();
var context = new RetryContext();
context.Update();
context.Update();
// Act
var retryDelay = classUnderTest.NextRetryDelay(context);
// Assert
Assert.AreEqual(TimeSpan.FromMilliseconds(400), retryDelay);
}
public void NextRetryDelay_CounterReachesMax_ShouldReturnMaxDelay()
{
// Arrange
var classUnderTest = new LimitedExponentialBackoffRetryStrategy {
MaxDelay = TimeSpan.FromMinutes(2)
};
var mockeContext = new Mock <IRetryContext>();
mockeContext.Setup(context => context.Count).Returns(int.MaxValue);
// Act
var retryDelay = classUnderTest.NextRetryDelay(mockeContext.Object);
// Assert
Assert.AreEqual(TimeSpan.FromMinutes(2), retryDelay);
}
public void GetRetryDelay_CalculatedExponentialValueExceedsMaxDelay_ReturnedValueDoesNotExceedMaxDelay()
{
// Arrange
var classUnderTest = new LimitedExponentialBackoffRetryStrategy
{
MaxDelay = TimeSpan.FromMilliseconds(500)
};
var context = new RetryContext();
context.Update();
context.Update();
context.Update();
// Act
var retryDelay = classUnderTest.NextRetryDelay(context);
// Assert
Assert.AreEqual(TimeSpan.FromMilliseconds(500), retryDelay);
}
