public void ShouldFireChangeLightOnTimeExpiration()
{
bool lightChangedFired = false;
MockStoplightTimer timer = new MockStoplightTimer();
StoplightSchedule schedule = new StoplightSchedule(timer);
schedule.ChangeLight += delegate { lightChangedFired = true; };
timer.Expire();
Assert.IsTrue(lightChangedFired);
}
public void ShouldSetTimerDurationForNextLight()
{
MockStoplightTimer timer = new MockStoplightTimer();
StoplightSchedule schedule = new StoplightSchedule(timer);
TimeSpan greenSchedule = new TimeSpan(800);
TimeSpan yellowSchedule = new TimeSpan(1500);
TimeSpan redSchedule = new TimeSpan(100);
schedule.Update(greenSchedule, yellowSchedule, redSchedule);
timer.Expire();
Assert.AreEqual(yellowSchedule, timer.Duration);
}
public void ShouldLogOnForceChange()
{
MockStoplightTimer timer = new MockStoplightTimer();
MockLogger logger = new MockLogger();
StoplightSchedule schedule = new StoplightSchedule(timer);
schedule.Logger = logger;
TimeSpan greenSchedule = new TimeSpan(800);
TimeSpan yellowSchedule = new TimeSpan(1500);
TimeSpan redSchedule = new TimeSpan(100);
schedule.Update(greenSchedule, yellowSchedule, redSchedule);
schedule.ForceChange();
Assert.IsNotNull(logger.LastMessage);
Assert.IsTrue(logger.LastMessage.StartsWith("FORCED CHANGE"));
}
public void ShouldFireEventAndUpdateScheduleOnForceChange()
{
MockStoplightTimer timer = new MockStoplightTimer();
StoplightSchedule schedule = new StoplightSchedule(timer);
TimeSpan greenSchedule = new TimeSpan(800);
TimeSpan yellowSchedule = new TimeSpan(1500);
TimeSpan redSchedule = new TimeSpan(100);
schedule.Update(greenSchedule, yellowSchedule, redSchedule);
bool eventFired = false;
schedule.ChangeLight += delegate { eventFired = true; };
schedule.ForceChange();
Assert.IsTrue(eventFired);
Assert.AreEqual(yellowSchedule, timer.Duration);
}