public void You_cannot_retry_an_operation_where_a_non_idempotent_child_operation_has_executed()
{
var operation = new FakeOperation(new IdempotentOperation(), new FakeOperation {
ThrowOnExecute = new Exception(), ErrorCount = 1
});
var sut = new RetryBehavior(1, TimeSpan.Zero);
sut.AttachTo(operation);
Assert.Throws <Exception>(() => sut.Execute());
}
public void Failing_operations_are_retried_a_specific_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 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 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();
}
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);
}