public Form1()
{
InitializeComponent();
bikeSubject = new SpeedMonitorSubject();
// Add Observers to Subject
new RPMObserver(lblRPMDisplay, bikeSubject);
new CaloriesPerHourObserver(lblCaloriesDisplay, bikeSubject);
new KPHObserver(lblKPHDisplay, bikeSubject);
}
public void RPMObserver_ComputeCurrentValue()
{
SpeedMonitorSubject subject = new SpeedMonitorSubject();
Label label = new Label();
BicycleObserver observer = new RPMObserver(label, subject);
int rpm = 60;
String expectedOutput = rpm.ToString("F2");
observer.Update(rpm);
Assert.AreEqual(label.Text, rpm);
}
