public void TemperatureThresholdEventHandlerFiresTest()
{
// Arrange
Thermometer thermometer = new Thermometer();
List <TemperatureThreshold> temperatureThresholdList = TestUtils.CreateTemperatureThresholds(TemperatureDirection.Decreasing);
thermometer.SetTemperatureThresholds(temperatureThresholdList);
thermometer.TemperatureThresholdReached += HandleTemperatureThresholdReached;
thermometer.Temperature = new Temperature(2);
_eventHandlerCalledCount = 0;
// Act
thermometer.Temperature = new Temperature(0);
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
const string expectedThresholdName = "Freezing";
Assert.Equal(expectedThresholdName, thermometer.CurrentTemperatureThreshold.Name);
Assert.Equal(_eventHandlerCalledCount, 1);
Assert.Equal(expectedThresholdName, _name);
// todo Need value comparison not reference compariosn (or override equality)
Assert.Equal(new Temperature(0), _temperature);
Assert.Equal(new Temperature(.5), _tolerance);
Assert.Equal(TemperatureDirection.Decreasing, _direction);
}
public void RemainsAtDecreasingThresholdWithDecreasingTemperatureTest()
{
// Arrange
Thermometer thermometer = new Thermometer();
List <TemperatureThreshold> temperatureThresholdList = TestUtils.CreateTemperatureThresholds(TemperatureDirection.Decreasing);
thermometer.SetTemperatureThresholds(temperatureThresholdList);
thermometer.Temperature = new Temperature(2);
// Act
thermometer.Temperature = new Temperature(0); // decreasing temperature
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
// Act
thermometer.Temperature = new Temperature(-.1); // decreasing temperature
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
// Act
thermometer.Temperature = new Temperature(-.2); // decreasing temperature
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
}
[InlineData("Freezing", TemperatureDirection.Decreasing, 2, 0, true)] // decreasing threshold, decreasing temperature
public void HitsTemperatureThresholdTest(string thresholdName, TemperatureDirection temperatureDirection, double previousTemperature, double thresholdTemperature, bool hitsTemperatureThreshold)
{
// Arrange
List <TemperatureThreshold> temperatureThresholdList = new List <TemperatureThreshold>
{
new TemperatureThreshold
{
Name = thresholdName,
Temperature = new Temperature(thresholdTemperature),
Tolerance = new Temperature(0.5),
Direction = temperatureDirection
}
};
Thermometer thermometer = new Thermometer();
thermometer.SetTemperatureThresholds(temperatureThresholdList);
thermometer.Temperature = new Temperature(previousTemperature);
// Act
thermometer.Temperature = new Temperature(thresholdTemperature);
// Assert
Assert.Equal(hitsTemperatureThreshold, thermometer.IsAtTemperatureThreshold);
if (thermometer.IsAtTemperatureThreshold)
{
string expectedThresholdName = thresholdName;
Assert.Equal(expectedThresholdName, thermometer.CurrentTemperatureThreshold.Name);
}
}
public void HitAllTemperatureThresholdsDecreasingTest()
{
// Arrange
Thermometer thermometer = new Thermometer();
List <TemperatureThreshold> temperatureThresholdList = TestUtils.CreateTemperatureThresholds(TemperatureDirection.Decreasing);
thermometer.SetTemperatureThresholds(temperatureThresholdList);
thermometer.Temperature = new Temperature(110);
// Act
thermometer.Temperature = new Temperature(100); // decreasing temperature
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
string expectedThresholdName = "Boiling";
Assert.Equal(expectedThresholdName, thermometer.CurrentTemperatureThreshold.Name);
// Act
thermometer.Temperature = new Temperature(20); // decreasing temperature
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
expectedThresholdName = "Room Temperature";
Assert.Equal(expectedThresholdName, thermometer.CurrentTemperatureThreshold.Name);
// Act
thermometer.Temperature = new Temperature(0); // decreasing temperature
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
expectedThresholdName = "Freezing";
Assert.Equal(expectedThresholdName, thermometer.CurrentTemperatureThreshold.Name);
}
public void HitsFreezingThresholdWhenTemperatureIsDeceasingTest()
{
// Arrange
Thermometer thermometer = new Thermometer();
List <TemperatureThreshold> temperatureThresholdList = TestUtils.CreateTemperatureThresholds(TemperatureDirection.Decreasing);
thermometer.SetTemperatureThresholds(temperatureThresholdList);
thermometer.Temperature = new Temperature(2);
const string expectedThresholdName = "Freezing";
// Act
thermometer.Temperature = new Temperature(.5);
// Assert
Assert.False(thermometer.IsAtTemperatureThreshold);
// Act
thermometer.Temperature = new Temperature(.4);
// Assert
Assert.False(thermometer.IsAtTemperatureThreshold);
// Act
thermometer.Temperature = new Temperature(0);
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
Assert.Equal(expectedThresholdName, thermometer.CurrentTemperatureThreshold.Name);
// Act
thermometer.Temperature = new Temperature(-.4);
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
Assert.Equal(expectedThresholdName, thermometer.CurrentTemperatureThreshold.Name);
// Act
thermometer.Temperature = new Temperature(+.4);
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
Assert.Equal(expectedThresholdName, thermometer.CurrentTemperatureThreshold.Name);
// Act
thermometer.Temperature = new Temperature(-.5);
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
Assert.Equal(expectedThresholdName, thermometer.CurrentTemperatureThreshold.Name);
// Act
thermometer.Temperature = new Temperature(+.5);
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
Assert.Equal(expectedThresholdName, thermometer.CurrentTemperatureThreshold.Name);
}
public void TemperatureFlucturationWithIncreasingAndDecreasingTemperaturesTest()
{
// Arrange
List <TemperatureThreshold> temperatureThresholdList = TestUtils.CreateTemperatureThresholds(TemperatureDirection.Decreasing);
Thermometer thermometer = new Thermometer();
thermometer.SetTemperatureThresholds(temperatureThresholdList);
thermometer.Temperature = new Temperature(2.0);
const string expectedThresholdName = "Freezing";
// Act
thermometer.Temperature = new Temperature(0.0); // decreasing temperature
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
Assert.Equal(expectedThresholdName, thermometer.CurrentTemperatureThreshold.Name);
// Act
thermometer.Temperature = new Temperature(-0.1); // decreasing temperature
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
Assert.Equal(expectedThresholdName, thermometer.CurrentTemperatureThreshold.Name);
// Act
thermometer.Temperature = new Temperature(0.0); // increasing temperature
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
Assert.Equal(expectedThresholdName, thermometer.CurrentTemperatureThreshold.Name);
// Act
thermometer.Temperature = new Temperature(-0.1); // decreasing temperature
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
Assert.Equal(expectedThresholdName, thermometer.CurrentTemperatureThreshold.Name);
// Act
thermometer.Temperature = new Temperature(0.2); // increasing temperature
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
Assert.Equal(expectedThresholdName, thermometer.CurrentTemperatureThreshold.Name);
}
public void HitsRoomTemperatureThresholdWhenTemperatureIsDeceasingTest()
{
// Arrange
Thermometer thermometer = new Thermometer();
List <TemperatureThreshold> temperatureThresholdList = TestUtils.CreateTemperatureThresholds(TemperatureDirection.Decreasing);
thermometer.SetTemperatureThresholds(temperatureThresholdList);
thermometer.Temperature = new Temperature(22);
// Act
thermometer.Temperature = new Temperature(20); // decreasing temperature
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
const string expectedThresholdName = "Room Temperature";
Assert.Equal(expectedThresholdName, thermometer.CurrentTemperatureThreshold.Name);
}
public void ConvertFahrenheitTemperatureTest()
{
// Arrange
List <TemperatureThreshold> temperatureThresholdList = TestUtils.CreateTemperatureThresholds(TemperatureDirection.Decreasing);
Thermometer thermometer = new Thermometer();
thermometer.SetTemperatureThresholds(temperatureThresholdList);
thermometer.Temperature = new Temperature(40, TemperatureType.Fahrenheit);
// Act
thermometer.Temperature = new Temperature(32, TemperatureType.Fahrenheit);
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
const string expectedThresholdName = "Freezing";
Assert.Equal(expectedThresholdName, thermometer.CurrentTemperatureThreshold.Name);
}
public void RunThermometerMonitor()
{
Thermometer thermometer = new Thermometer();
List <TemperatureThreshold> temperatureThresholdList = CreateTemperatureThresholds();
thermometer.SetTemperatureThresholds(temperatureThresholdList);
thermometer.TemperatureThresholdReached += HandleThermometerThresholdReached;
WriteLine("\nWelcome to the temperature monitor.");
WriteLine(thermometer.ToString());
WriteLine("Temperature values are followed by C or F.");
WriteLine("Examples: 100C, 100 C, 100c, 20.0C, 32.0F, 32 F, 0.0C, -0.1C, +0.1C");
WriteLine("Enter blank line to exit.\n");
while (true)
{
Write("Enter temperature >");
string input = ReadLine();
if (string.IsNullOrWhiteSpace(input))
{
break;
}
Temperature temperature;
bool parsedTemperature = ReadTemperature(input, out temperature);
if (parsedTemperature)
{
WriteLine($"Temperature = {temperature}");
thermometer.Temperature = temperature;
}
else
{
WriteLine("Could not parse input. Try again.");
}
}
}
public void TemperatureThresholdEventHandlerFiresOnceAtThresholdTest()
{
// Arrange
Thermometer thermometer = new Thermometer();
List <TemperatureThreshold> temperatureThresholdList = TestUtils.CreateTemperatureThresholds(TemperatureDirection.Decreasing);
thermometer.SetTemperatureThresholds(temperatureThresholdList);
thermometer.TemperatureThresholdReached += HandleTemperatureThresholdReached;
thermometer.Temperature = new Temperature(2);
_eventHandlerCalledCount = 0;
// Act
thermometer.Temperature = new Temperature(0);
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
// Act
thermometer.Temperature = new Temperature(-0.1);
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
// Act
thermometer.Temperature = new Temperature(-0.2);
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
// Act
thermometer.Temperature = new Temperature(-0.3);
// Assert
Assert.True(thermometer.IsAtTemperatureThreshold);
Assert.Equal(1, _eventHandlerCalledCount);
}
public void PassedThroughThresholdWithDreasingTemperatureTest()
{
// Arrange
Thermometer thermometer = new Thermometer();
List <TemperatureThreshold> temperatureThresholdList = TestUtils.CreateTemperatureThresholds(TemperatureDirection.Decreasing);
thermometer.SetTemperatureThresholds(temperatureThresholdList);
thermometer.Temperature = new Temperature(12);
// Act
thermometer.Temperature = new Temperature(+10);
// Assert
Assert.False(thermometer.IsAtTemperatureThreshold);
// Act
thermometer.Temperature = new Temperature(-10);
// Assert
const string expectedThresholdName = "Boiling";
Assert.True(thermometer.IsAtTemperatureThreshold);
Assert.Equal(expectedThresholdName, thermometer.CurrentTemperatureThreshold.Name);
}