public void GivenDecreasingPrice_ThenWeTriggerHitStopLost_X()
{
var publisher = new FakePublisher();
var sut = new StopLossProcessManager(publisher);
sut.Handle(new PositionAcquired {
Price = 100
});
sut.Handle(new PriceUpdated {
Price = 89
});
sut.Handle(new PriceUpdated {
Price = 89
});
publisher.PublishedMessages.Clear();
sut.Handle(new RemoveFrom13SecondWindow {
Price = 100
});
sut.Handle(new RemoveFrom13SecondWindow {
Price = 89
});
var message = publisher.PublishedMessages.Single();
Assert.IsInstanceOf <StopLossHit>(message);
}
public void GivePositionAcquired_ThenRemoveFrom13SencondWindowIsPublished()
{
var publisher = new FakePublisher();
var sut = new StopLossProcessManager(publisher);
sut.Handle(new PositionAcquired {
Price = 100
});
var message = publisher.PublishedMessages.OfType <SendToMeIn>().SingleOrDefault(x => x.Inner is RemoveFrom13SecondWindow);
Assert.That(message.DelayInSeconds == 13);
var innerMessage = (RemoveFrom13SecondWindow)message.Inner;
Assert.That(innerMessage.Price == 100);
}
public void WhenPositionAcquiredIsPublished_StopLossPriceIsUpdated()
{
var publisher = new FakePublisher();
var sut = new StopLossProcessManager(publisher);
sut.Handle(new PositionAcquired {
Price = 105
});
var message = publisher.FindMessage <SendToMeIn>();
Assert.IsInstanceOf <RemoveFrom10SecondWindow>(message.Inner);
Assert.That(message.DelayInSeconds == 10);
var message2 = publisher.FindMessage <StopLossPriceUpdated>();
Assert.That(message2.Price == 95);
}
public void GivenDecreasingPrice_ThenWeShouldNotReduceTheStopLossPrice()
{
var publisher = new FakePublisher();
var sut = new StopLossProcessManager(publisher);
sut.Handle(new PositionAcquired {
Price = 105
});
sut.Handle(new PriceUpdated {
Price = 95
});
publisher.PublishedMessages.Clear();
sut.Handle(new RemoveFrom10SecondWindow {
Price = 105
});
var message = publisher.FindMessage <StopLossPriceUpdated>();
Assert.IsNull(message);
}
public void GivenPriceUpdated_ThenRemoveIn10SecondsIsPublished()
{
var publisher = new FakePublisher();
var sut = new StopLossProcessManager(publisher);
sut.Handle(new PositionAcquired {
Price = 100
});
publisher.PublishedMessages.Clear();
var priceUpdated = new PriceUpdated {
Price = 95
};
sut.Handle(priceUpdated);
var message = (SendToMeIn)publisher.PublishedMessages.First();
Assert.IsInstanceOf <RemoveFrom10SecondWindow>(message.Inner);
Assert.That(message.DelayInSeconds == 10);
}
public void GivenPriceUodated_WhenRemovingIn10Seconds_ThenStopLossPriceUpdated()
{
var publisher = new FakePublisher();
var sut = new StopLossProcessManager(publisher);
sut.Handle(new PositionAcquired {
Price = 100
});
var priceUpdated = new PriceUpdated {
Price = 101
};
sut.Handle(priceUpdated);
publisher.PublishedMessages.Clear();
sut.Handle(new RemoveFrom10SecondWindow {
Price = 100
});
StopLossPriceUpdated actual = publisher.FindMessage <StopLossPriceUpdated>();
Assert.AreEqual(91, actual.Price);
}