public void deliver_last_frame_within_the_specified_ack_count()
{
var connection = Substitute.For <IConnection>();
MessageFrame deliveredFrame = null;
var sut = new AckReceiver(connection, frame => deliveredFrame = frame, 5);
sut.Send(new MessageFrame {
SequenceNumber = 1
});
sut.Send(new MessageFrame {
SequenceNumber = 2
});
sut.Send(new MessageFrame {
SequenceNumber = 3
});
sut.Send(new MessageFrame {
SequenceNumber = 4
});
sut.Send(new MessageFrame {
SequenceNumber = 5
});
deliveredFrame.SequenceNumber.Should().Be(5);
}
public void deliver_first_frame_within_the_specified_ack_count()
{
var connection = Substitute.For<IConnection>();
MessageFrame deliveredFrame = null;
var sut = new AckReceiver(connection, frame => deliveredFrame = frame, 5);
sut.Send(new MessageFrame { SequenceNumber = 1 });
deliveredFrame.Should().NotBeNull();
}
public void throw_if_trying_to_send_more_messages_than_can_be_acked()
{
var connection = Substitute.For<IConnection>();
MessageFrame deliveredFrame = null;
var sut = new AckReceiver(connection, frame => deliveredFrame = frame, 1);
sut.Send(new MessageFrame { SequenceNumber = 1 });
Action actual = () => sut.Send(new MessageFrame { SequenceNumber = 2 });
actual.ShouldThrow<AckException>();
}
public void Should_be_able_to_ack_simple_sequence()
{
var connection = Substitute.For<IConnection>();
MessageFrame deliveredFrame = null;
var sut = new AckReceiver(connection, frame => deliveredFrame = frame, 4);
sut.Send(new MessageFrame { SequenceNumber = 1 });
sut.Send(new MessageFrame { SequenceNumber = 2 });
sut.Confirm(new AckFrame(1, 1));
deliveredFrame.SequenceNumber.Should().Be(2);
}
public void throw_if_trying_to_send_more_messages_than_can_be_acked()
{
var connection = Substitute.For <IConnection>();
MessageFrame deliveredFrame = null;
var sut = new AckReceiver(connection, frame => deliveredFrame = frame, 1);
sut.Send(new MessageFrame {
SequenceNumber = 1
});
Action actual = () => sut.Send(new MessageFrame {
SequenceNumber = 2
});
actual.ShouldThrow <AckException>();
}
public void Should_be_able_to_ack_simple_sequence()
{
var connection = Substitute.For <IConnection>();
MessageFrame deliveredFrame = null;
var sut = new AckReceiver(connection, frame => deliveredFrame = frame, 4);
sut.Send(new MessageFrame {
SequenceNumber = 1
});
sut.Send(new MessageFrame {
SequenceNumber = 2
});
sut.Confirm(new AckFrame(1, 1));
deliveredFrame.SequenceNumber.Should().Be(2);
}
