/// <summary>
/// Handle the click event of Refresh button
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void _btn_Refresh_Click(object sender, EventArgs e)
{
try
{
double oldReading = Model.CurrentTemperature;
TemperatureUnit oldUnit = Model.CurrentTempUnit;
Model.GetLatestTemperature();
if (oldUnit != Model.CurrentTempUnit)
{
oldReading = new TemperatureUnitConvertor().ConvertToNewReading(oldReading, from: oldUnit, to: Model.CurrentTempUnit);
}
// Handle UI
this._lbl_TempReading.Text = Model.CurrentTempDisplay;
// Handle Threshold
if (Model.ThresholdsModel.TriggerThresholdAlert(prev: oldReading, curr: Model.CurrentTemperature))
{
MessageBox.Show("Threshold Alert", "Thermometer", MessageBoxButtons.OK, MessageBoxIcon.Information);
Model.Triggered = true;
}
}
catch (ThermometerUnknownUnitException)
{
MessageBox.Show("Unknown temperature unit from source found", "Thermometer", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
public void Test_F_To_C_MinFInput()
{
TemperatureUnitConvertor tool = new TemperatureUnitConvertor();
var result = tool.ConvertToNewReading(double.MinValue, TemperatureUnit.Fahrenheit, TemperatureUnit.Celsius);
Assert.IsFalse(double.IsInfinity((double)result));
}
public void Test_C_To_F_MaxCInput()
{
TemperatureUnitConvertor tool = new TemperatureUnitConvertor();
var result = tool.ConvertToNewReading(double.MaxValue, TemperatureUnit.Celsius, TemperatureUnit.Fahrenheit);
Assert.IsTrue(double.IsInfinity((double)result));
}
public void Test_F_To_C()
{
TemperatureUnitConvertor tool = new TemperatureUnitConvertor();
var result = tool.ConvertToNewReading(10.0, TemperatureUnit.Fahrenheit, TemperatureUnit.Celsius);
Assert.AreEqual(-12.2, result);
}
public void Test_Convertor_Properties()
{
TemperatureUnitConvertor tool = new TemperatureUnitConvertor(5);
Assert.AreEqual(5, tool.Decimal);
tool = new TemperatureUnitConvertor();
Assert.AreEqual(1, tool.Decimal);
}
public void Test_C_To_F()
{
// arrange
TemperatureUnitConvertor tool = new TemperatureUnitConvertor();
// act
var result = tool.ConvertToNewReading(10.0, TemperatureUnit.Celsius, TemperatureUnit.Fahrenheit);
// assert
Assert.AreEqual(50.0, result);
}
