public void EveryWeekday()
{
// Arrange
var sunday = new DateTime(2018, 02, 18);
var saturday = new DateTime(2018, 02, 17);
var monday = new DateTime(2018, 02, 19);
var calculator = new TimeCalculator();
var run = new DayUnit(calculator);
// Act
run.Weekday();
var calculated = calculator.Calculate(sunday);
// Assert
var expected = new DateTime(2018, 02, 19);
Assert.AreEqual(expected, calculated);
// Act
calculated = calculator.Calculate(saturday);
// Assert
Assert.AreEqual(expected, calculated);
// Act
calculated = calculator.Calculate(monday);
// Assert
Assert.AreEqual(expected, calculated);
}
private void CalculateNextRun(DateTime last) => NextRun = _calculator.Calculate(last);