public void WaitTimes()
{
TimeSpan[] waitTimes = new TimeSpan[] {
TimeSpan.FromSeconds(1),
TimeSpan.FromSeconds(2),
TimeSpan.FromSeconds(4),
TimeSpan.FromSeconds(8),
TimeSpan.FromSeconds(16),
TimeSpan.FromSeconds(32),
TimeSpan.FromSeconds(64),
TimeSpan.FromSeconds(128),
TimeSpan.FromSeconds(256),
};
ExponentialBackoffRetryStrategy strategy = new ExponentialBackoffRetryStrategy(9, TimeSpan.FromSeconds(1));
Assert.That(strategy.RetryCount, Is.EqualTo(9));
for (int i = 0; i < strategy.RetryCount; i++)
{
Assert.That(strategy.ShouldRetry(i + 1), Is.True, "Attempt " + (i + 1));
Assert.That(strategy.GetWaitTime(i + 1), Is.EqualTo(waitTimes[i]), "Attempt " + (i + 1));
}
Assert.That(strategy.ShouldRetry(11), Is.False, "Attempt 11");
Assert.Throws(Is.TypeOf<ArgumentOutOfRangeException>().And.Property("ParamName").EqualTo("attempt"),
() => strategy.GetWaitTime(11));
Assert.That(strategy.ShouldRetry(0), Is.False, "Attempt 0");
Assert.Throws(Is.TypeOf<ArgumentOutOfRangeException>().And.Property("ParamName").EqualTo("attempt"),
() => strategy.GetWaitTime(0));
Assert.That(strategy.ShouldRetry(-1), Is.False, "Attempt -2");
Assert.Throws(Is.TypeOf<ArgumentOutOfRangeException>().And.Property("ParamName").EqualTo("attempt"),
() => strategy.GetWaitTime(-1));
}
public void WaitTimes()
{
TimeSpan[] waitTimes = new TimeSpan[] {
TimeSpan.FromSeconds(1),
TimeSpan.FromSeconds(2),
TimeSpan.FromSeconds(4),
TimeSpan.FromSeconds(8),
TimeSpan.FromSeconds(16),
TimeSpan.FromSeconds(32),
TimeSpan.FromSeconds(64),
TimeSpan.FromSeconds(128),
TimeSpan.FromSeconds(256),
};
ExponentialBackoffRetryStrategy strategy = new ExponentialBackoffRetryStrategy(9, TimeSpan.FromSeconds(1));
Assert.That(strategy.RetryCount, Is.EqualTo(9));
for (int i = 0; i < strategy.RetryCount; i++)
{
Assert.That(strategy.ShouldRetry(i + 1), Is.True, "Attempt " + (i + 1));
Assert.That(strategy.GetWaitTime(i + 1), Is.EqualTo(waitTimes[i]), "Attempt " + (i + 1));
}
Assert.That(strategy.ShouldRetry(11), Is.False, "Attempt 11");
Assert.Throws(Is.TypeOf <ArgumentOutOfRangeException>().And.Property("ParamName").EqualTo("attempt"),
() => strategy.GetWaitTime(11));
Assert.That(strategy.ShouldRetry(0), Is.False, "Attempt 0");
Assert.Throws(Is.TypeOf <ArgumentOutOfRangeException>().And.Property("ParamName").EqualTo("attempt"),
() => strategy.GetWaitTime(0));
Assert.That(strategy.ShouldRetry(-1), Is.False, "Attempt -2");
Assert.Throws(Is.TypeOf <ArgumentOutOfRangeException>().And.Property("ParamName").EqualTo("attempt"),
() => strategy.GetWaitTime(-1));
}
public void ShouldAttempt()
{
ExponentialBackoffRetryStrategy strategy = new ExponentialBackoffRetryStrategy(4, TimeSpan.FromSeconds(1));
Assert.That(strategy.RetryCount, Is.EqualTo(4));
Assert.That(strategy.ShouldRetry(-1), Is.False, "Attempt -1");
Assert.That(strategy.ShouldRetry(0), Is.False, "Attempt 0");
Assert.That(strategy.ShouldRetry(1), Is.True, "Attempt 1");
Assert.That(strategy.ShouldRetry(2), Is.True, "Attempt 2");
Assert.That(strategy.ShouldRetry(3), Is.True, "Attempt 3");
Assert.That(strategy.ShouldRetry(4), Is.True, "Attempt 4");
Assert.That(strategy.ShouldRetry(5), Is.False, "Attempt 5");
Assert.That(strategy.ShouldRetry(6), Is.False, "Attempt 6");
}
public void ShouldAttempt()
{
ExponentialBackoffRetryStrategy strategy = new ExponentialBackoffRetryStrategy(4, TimeSpan.FromSeconds(1));
Assert.That(strategy.RetryCount, Is.EqualTo(4));
Assert.That(strategy.ShouldRetry(-1), Is.False, "Attempt -1");
Assert.That(strategy.ShouldRetry(0), Is.False, "Attempt 0");
Assert.That(strategy.ShouldRetry(1), Is.True, "Attempt 1");
Assert.That(strategy.ShouldRetry(2), Is.True, "Attempt 2");
Assert.That(strategy.ShouldRetry(3), Is.True, "Attempt 3");
Assert.That(strategy.ShouldRetry(4), Is.True, "Attempt 4");
Assert.That(strategy.ShouldRetry(5), Is.False, "Attempt 5");
Assert.That(strategy.ShouldRetry(6), Is.False, "Attempt 6");
}