public void FindSender_GivenThereIsNoSender_ReturnsNull()
{
// Act
var sender = capacityZeroPipe.FindSender(capacityZeroPipe.Outlet);
// Assert
sender.Should().BeNull();
}
public void FindSender_GivenThePipeIsHoldingAMessage_ReturnsThatMessage()
{
// Arrange
const int message = 14;
capacityThreePipe.Inlet.Send(message);
// Act
var sender = capacityThreePipe.FindSender(capacityThreePipe.Outlet);
// Assert
sender.Should().NotBeNull();
sender().Should().Be(message);
}
public void FindSender_AppliedToConnectedCapacityPipes_ReturnsTheMessagesFromAllConnectedPipesInTheRightOrder()
{
// Arrange
capacityThreePipe.Outlet.ConnectTo(capacityTwoPipe.Inlet);
const int expectedFirstMessage = 1;
const int expectedSecondMessage = 2;
const int expectedThirdMessage = 3;
const int expectedFourthMessage = 4;
const int expectedFifthMessage = 5;
const int expectedSixthMessage = 6;
capacityThreePipe.FindReceiver(capacityThreePipe.Inlet)(expectedFirstMessage);
capacityThreePipe.FindReceiver(capacityThreePipe.Inlet)(expectedSecondMessage);
capacityThreePipe.FindReceiver(capacityThreePipe.Inlet)(expectedThirdMessage);
capacityThreePipe.FindReceiver(capacityThreePipe.Inlet)(expectedFourthMessage);
capacityThreePipe.FindReceiver(capacityThreePipe.Inlet)(expectedFifthMessage);
var thread = new Thread(() => capacityThreePipe.Inlet.Send(expectedSixthMessage));
thread.Start();
Thread.Sleep(500);
// Act
var actualFirstMessage = capacityTwoPipe.FindSender(capacityTwoPipe.Outlet)();
var actualSecondMessage = capacityTwoPipe.FindSender(capacityTwoPipe.Outlet)();
var actualThirdMessage = capacityTwoPipe.FindSender(capacityTwoPipe.Outlet)();
var actualFourthMessage = capacityTwoPipe.FindSender(capacityTwoPipe.Outlet)();
var actualFifthMessage = capacityTwoPipe.FindSender(capacityTwoPipe.Outlet)();
var actualSixthMessage = capacityTwoPipe.FindSender(capacityTwoPipe.Outlet)();
// Assert
actualFirstMessage.Should().Be(expectedFirstMessage);
actualSecondMessage.Should().Be(expectedSecondMessage);
actualThirdMessage.Should().Be(expectedThirdMessage);
actualFourthMessage.Should().Be(expectedFourthMessage);
actualFifthMessage.Should().Be(expectedFifthMessage);
actualSixthMessage.Should().Be(expectedSixthMessage);
}