// Better but passing in a class and not an inteface
public void Run(DateTester dateTester)
{
if (dateTester.TodayIsAnEvenDayOfTheMonth)
{
component.Something();
}
}
public void Run()
{
// Bad code smell
// DateTester is a dependency that does not belong in this class
DateTester dateTester = new DateTester();
if (dateTester.TodayIsAnEvenDayOfTheMonth)
{
component.Something();
}
}
public PredicateComponent(IComponent decoratedComponent, DateTester dateTester)
{
this.decoratedComponent = decoratedComponent;
this.dateTester = dateTester;
}