public void Failing_operations_are_retried()
{
var operation = new FakeOperation { ThrowOnExecute = new Exception(), ErrorCount = 1 };
var sut = new RetryBehavior(1, TimeSpan.Zero);
sut.AttachTo(operation);
sut.Execute();
}
public void Failing_operations_are_retried_aspoecific_number_of_times()
{
var operation = new FakeOperation { ThrowOnExecute = new Exception(), ErrorCount = 2 };
var sut = new RetryBehavior(1, TimeSpan.Zero);
sut.AttachTo(operation);
Assert.Throws<Exception>(() => sut.Execute());
}
public void Retry_properties_are_populated_from_constructor_arguments()
{
var retryErrorTypes = new[] { typeof (Exception) };
var sut = new RetryBehavior(3, TimeSpan.FromSeconds(5), retryErrorTypes);
Assert.Equal(3, sut.TimesToRetry);
Assert.Equal(TimeSpan.FromSeconds(5), sut.RetryDelay);
Assert.Equal(retryErrorTypes, sut.RetryExceptionTypes);
}
public void Retries_are_delayed_the_specified_duration()
{
var operation = new FakeOperation { ThrowOnExecute = new Exception(), ErrorCount = 1 };
var sut = new RetryBehavior(1, TimeSpan.FromSeconds(5));
sut.AttachTo(operation);
var before = Time.OffsetUtcNow;
sut.Execute();
var duration = Time.OffsetUtcNow - before;
Assert.Equal(TimeSpan.FromSeconds(5), duration);
}
public void You_can_retry_an_operation_where_an_indempotent_child_operation_has_executed()
{
var operation = new FakeOperation(new IndempotentOperation { ThrowOnExecute = new Exception(), ErrorCount = 1 });
var sut = new RetryBehavior(1, TimeSpan.Zero);
sut.AttachTo(operation);
sut.Execute();
}
public void The_behavior_has_work_recovery_level_precedence()
{
var sut = new RetryBehavior(1, TimeSpan.Zero);
Assert.Equal(BehaviorPrecedence.WorkRecovery, sut.Precedence);
}
public void Retried_operations_are_logged(Exception error, FakeWorkflowLogger log)
{
var sut = new RetryBehavior(2, TimeSpan.Zero).AttachTo(new FakeOperation { ThrowOnExecute = error, ErrorCount = 2 });
sut.Initialize(new FakeWorkflowConfiguration { Logger = log });
sut.Execute();
Assert.Equal(2, log.AppliedBehaviors.Count);
Assert.Equal("Operation retried", log.AppliedBehaviors[0].Description);
}
public void When_retry_exception_types_are_specified_errors_of_different_types_will_not_be_retried()
{
var operation = new FakeOperation { ThrowOnExecute = new NullReferenceException(), ErrorCount = 1 };
var sut = new RetryBehavior(1, TimeSpan.Zero, typeof(InsufficientMemoryException));
sut.AttachTo(operation);
Assert.Throws<NullReferenceException>(() => sut.Execute());
}
public void When_retry_exception_types_are_specified_errors_of_sub_types_will_be_retried()
{
var operation = new FakeOperation { ThrowOnExecute = new ArgumentNullException(), ErrorCount = 1 };
var sut = new RetryBehavior(1, TimeSpan.Zero, typeof(ArgumentException));
sut.AttachTo(operation);
sut.Execute();
}
