public void StockGrabber_UpdatesObserver_IsCorrect()
{
StockGrabber stockGrabber = new StockGrabber();
StockObserver.ResetObserverIdTracker();
StockObserver observer1 = new StockObserver(stockGrabber);
using (ConsoleOutput consoleOutput = new ConsoleOutput())
{
const string consoleOutputFormat = "{0} \nIBM: {1}\nAAPL: {2}\nGOOG: {3}\n\n";
string consoleOutputExpected = string.Empty;
stockGrabber.SetIBMPrince(197.00);
consoleOutputExpected += string.Format(consoleOutputFormat, 1, 197.00, 0, 0);
Assert.AreEqual(consoleOutputExpected, consoleOutput.GetOuput(false));
stockGrabber.SetAaplPrince(677.00);
consoleOutputExpected += string.Format(consoleOutputFormat, 1, 197.00, 677.00, 0);
Assert.AreEqual(consoleOutputExpected, consoleOutput.GetOuput(false));
stockGrabber.SetGoogPrince(676.00);
consoleOutputExpected += string.Format(consoleOutputFormat, 1, 197.00, 677.00, 676.00);
Assert.AreEqual(consoleOutputExpected, consoleOutput.GetOuput(false));
}
}
private static void Main(string[] args)
{
var grabber = new StockGrabber();
var obsever1 = new StockObserver(grabber);
grabber.SetIbmPrice(200);
grabber.SetApplePrice(500);
grabber.SetGooglePrice(260);
grabber.SetIbmPrice(260);
grabber.SetApplePrice(510);
grabber.SetGooglePrice(280);
}
public static void RunObserver()
{
StockGrabber grabber = new StockGrabber();
StockObserver o1 = new StockObserver(grabber);
grabber.setIBMPrice(197);
grabber.setAAPLPrice(667);
grabber.setGOOGPrice(676);
StockObserver o2 = new StockObserver(grabber);
grabber.setIBMPrice(197);
grabber.setAAPLPrice(667);
grabber.setGOOGPrice(676);
grabber.Unregister(o1);
}
public static void Main()
{
var stockGrabber = new StockGrabber();
var observer1 = new StockObserver(stockGrabber);
stockGrabber.SetIbmPrice(154.40);
stockGrabber.SetAaplPrice(651.10);
stockGrabber.SetGoogPrice(321.11);
var observer2 = new StockObserver(stockGrabber);
stockGrabber.SetIbmPrice(154.40);
stockGrabber.SetAaplPrice(651.10);
stockGrabber.SetGoogPrice(321.11);
stockGrabber.Unregister(observer1);
stockGrabber.SetIbmPrice(154.40);
stockGrabber.SetAaplPrice(651.10);
stockGrabber.SetGoogPrice(321.11);
}
