public void Should_allow_to_retry_after_few_errors(int errors)
{
var sut = new RetryWindow(TimeSpan.FromSeconds(1), 5, clock);
for (var i = 0; i < errors; i++)
{
Assert.True(sut.CanRetryAfterFailure());
}
}
public void Should_allow_to_retry_after_few_errors_in_window(int errors)
{
var sut = new RetryWindow(TimeSpan.FromSeconds(1), WindowSize);
var now = DateTime.UtcNow;
for (var i = 0; i < errors; i++)
{
Assert.True(sut.CanRetryAfterFailure(now.AddMilliseconds(i * 300)));
}
}
public void Should_allow_to_retry_after_reset()
{
var sut = new RetryWindow(TimeSpan.FromSeconds(1), 5);
for (var i = 0; i < 5 * 2; i++)
{
sut.CanRetryAfterFailure();
}
sut.Reset();
Assert.True(sut.CanRetryAfterFailure());
}
public void Should_allow_to_retry_after_few_errors_in_window(int errors)
{
var sut = new RetryWindow(TimeSpan.FromSeconds(1), 5, clock);
var now = SystemClock.Instance.GetCurrentInstant();
A.CallTo(() => clock.GetCurrentInstant())
.ReturnsLazily(() => now);
for (var i = 0; i < errors; i++)
{
now = now.Plus(Duration.FromMilliseconds(300));
Assert.True(sut.CanRetryAfterFailure());
}
}
public void Should_not_allow_to_retry_after_many_errors(int errors)
{
var sut = new RetryWindow(TimeSpan.FromSeconds(1), 5, clock);
for (var i = 0; i < 5; i++)
{
Assert.True(sut.CanRetryAfterFailure());
}
var remaining = errors - 5;
for (var i = 0; i < remaining; i++)
{
Assert.False(sut.CanRetryAfterFailure());
}
}
public void Should_not_allow_to_retry_after_many_errors(int errors)
{
var sut = new RetryWindow(TimeSpan.FromSeconds(1), WindowSize);
var now = DateTime.UtcNow;
for (var i = 0; i < WindowSize; i++)
{
Assert.True(sut.CanRetryAfterFailure(now));
}
var remaining = errors - WindowSize;
for (var i = 0; i < remaining; i++)
{
Assert.False(sut.CanRetryAfterFailure(now));
}
}