/// <summary>
/// The good design stipulates that we remove the logging-consideration from the SensorCabinet-class altogether. Breaks with the single responsibility principles, anyway.
/// </summary>
public static void Main()
{
// "Composition root"
InitializaAlarms();
InitializeSensors();
AttachAlarmsToSensors();
IEnumerable <ISensor> sensorCollection = new List <ISensor>()
{
_temperatureSensor1,
_temperatureSensor2,
_pressureSensor
};
SensorCabinet sensorCabinet = new SensorCabinet(sensorCollection);
// now do some monitoring...
// At some point, we wish to write temperature sensor values to a log.
// By removing the logger from the sensor-cabinet, we forego problems with the single-responsibility principle.
InitializeTemperatureSensorLogger();
var temperatureSensorData = sensorCabinet.GetAllTemperatureSensorsData();
temperatureSensorLogger.WriteAllTemperatureSensorsDataToLog(temperatureSensorData);
//
}
public void GoodDesign_TestHasNoLongerDependencyOnLogger()
{
// arrange
MockSensor mockedSensor = new MockSensor();
DependencyInversion_GoodDesign.SensorCabinet sensorCabinet = new DependencyInversion_GoodDesign.SensorCabinet(new List <ISensor> {
mockedSensor
});
// act
bool hasLongerALoggingMethod = sensorCabinet.GetType().GetMethods().Any(method => method.Name == "WriteAllTemperatureSensorsDataToLog");
// assert
Assert.IsFalse(hasLongerALoggingMethod);
}
