private void Form1_Load(object sender, EventArgs e)
{
//instantiate sensor
weatherSensors = new SensorSubject();
//Instantiate observers, pass in subject and listbox.
AverageWeatherObserver = new AverageReadingObserver(lbaverage, weatherSensors);
CurrentWeatherObserver = new CurrentReadingsObserver(lbcurrent, weatherSensors);
ForcasterObserver = new ForcastObserver(lbforecast,weatherSensors);
}
public void CuttentTempObserver_DisplayOutput_HumidINputShouldEqualOutput()
{
SensorSubject testSubject = new SensorSubject();
ListBox testListbox = new ListBox();
CurrentReadingsObserver CReadOb = new CurrentReadingsObserver(testListbox, testSubject);
testSubject.InputTrigger("10", " 20", "30");
String output = testListbox.Items[1].ToString();
String expectedOutput = "Humidity:\t20.00";
Assert.AreEqual(expectedOutput, output);
}
public SensorObserver(ListBox outputDisplay, SensorSubject subject)
{
//Set reffentce to subject, display and then add this object to the subjects observer list.
sensorSubject = subject;
dataDisplay = outputDisplay;
sensorSubject.addObserver(this);
//Allocate memory for computer and data readings.
currentDatareadingBar = 0;
currentDatareadingHumid = 0;
currentDataReadingTemp = 0;
currentComputedBar = 0;
currentComputedHumid = 0;
currentComputedTemp = 0;
}
public void AverageConditionObserver_DisplayOutput_TempAverageOutputShouldBeAverageOFInputs()
{
SensorSubject testSubject = new SensorSubject();
ListBox testListbox = new ListBox();
AverageReadingObserver testAverageObserver = new AverageReadingObserver(testListbox, testSubject);
testSubject.InputTrigger("10", " 20", "30");
testListbox.Items.Clear();
testSubject.InputTrigger("10", " 20", "30");
testListbox.Items.Clear();
testSubject.InputTrigger("30", " 20", "10");
String output = testListbox.Items[0].ToString();
String expectedOutput = "Temperature:\t16.67";
Assert.AreEqual(expectedOutput, output);
}
public CurrentReadingsObserver(ListBox outputDisplay, SensorSubject subject)
: base(outputDisplay, subject)
{
}
// Average reading observer, revieves data from sunject , performas aver age calculation and displays to list box.
public AverageReadingObserver(ListBox outputDisplay, SensorSubject subject)
: base(outputDisplay, subject)
{
runCount = 0;
}
public void ForcastConditionObserver_DisplayOutput_MediumPressureIndicatewetWeather()
{
SensorSubject testSubject = new SensorSubject();
ListBox testListbox = new ListBox();
ForcastObserver testAverageObserver = new ForcastObserver(testListbox, testSubject);
testSubject.InputTrigger("10", " 20", "1000");
String output = testListbox.Items[0].ToString();
String expectedOutput = "Wet weather coming";
Assert.AreEqual(expectedOutput, output);
}
