public void CompareFactoryPerformanceTest()
{
var timer1 = Stopwatch.StartNew();
for (int i = 0; i < ITERATIONS; i++)
{
var pizza = simpleFactory.PrepareDish("capriciosa");
var coffee = simpleFactory.PrepareDish("latte");
}
timer1.Stop();
var perfSimpleFactory = timer1.ElapsedMilliseconds;
var timer2 = Stopwatch.StartNew();
for (int i = 0; i < ITERATIONS; i++)
{
var coffee = coffeeFM.PrepareDrink();
var pizza = pizzaFM.PrepareFood();
}
timer2.Stop();
var perfFactoryMethod = timer2.ElapsedMilliseconds;
var timer3 = Stopwatch.StartNew();
for (int i = 0; i < ITERATIONS; i++)
{
var meat = withRegistration.PreparePizza("meat");
var vege = withRegistration.PreparePizza("vege");
}
timer3.Stop();
var perfWithRegistration = timer3.ElapsedMilliseconds;
var timer4 = Stopwatch.StartNew();
for (int i = 0; i < ITERATIONS; i++)
{
var meat = withReflection.PreparePasta("meatDish");
var vege = withReflection.PreparePasta("vegeDish");
}
timer4.Stop();
var perfWithReflection = timer4.ElapsedMilliseconds;
TestContext.WriteLine($"Performance of methods after {ITERATIONS} iterations:");
TestContext.WriteLine($"1. Factory Method: [{perfFactoryMethod} ms]");
TestContext.WriteLine($"2. Factory Simple: [{perfSimpleFactory} ms]");
TestContext.WriteLine($"3. Factory With Registration: [{perfWithRegistration} ms]");
TestContext.WriteLine($"4. Factory With Reflection: [{perfWithReflection} ms]");
Assert.That(perfWithRegistration, Is.LessThan(perfWithReflection));
Assert.That(perfSimpleFactory, Is.LessThan(perfWithRegistration));
Assert.That(perfFactoryMethod, Is.LessThan(perfSimpleFactory));
}
public void CheckIfFactoryPreparesGivenFoodTypeTest()
{
PizzaFactoryWithRegistration factory = PizzaFactoryWithRegistration.Instance;
factory.Register("meatPizza", () => new Capriciosa());
factory.Register("vegePizza", () =>
{
return(new Margherita
{
WithOlive = true
});
});
var meat = factory.PreparePizza("meatPizza");
var vege = factory.PreparePizza("vegePizza");
Assert.That(vege, Is.InstanceOf <Margherita>());
Assert.That(meat, Is.InstanceOf <Capriciosa>());
}
