public void TurnsOnBasedOnElementTemp()
{
var lowerTarget = _settings.ElectricityTargetDegC - _settings.HysteresisFactorDegC;
var upperTarget = _settings.ElectricityTargetDegC + _settings.HysteresisFactorDegC;
_elementStrategy.ShouldElementBeOn(
new ElementStrategyParams
{
InletTemperature = lowerTarget - 1,
IsElementCurrentlyOn = false
}
).Should().BeTrue("because the current inlet temp is less than the electricity target (less hysteresis factor)");
_elementStrategy.ShouldElementBeOn(
new ElementStrategyParams
{
InletTemperature = lowerTarget,
IsElementCurrentlyOn = false
}
).Should().BeTrue("because the current inlet temp is the same as than the electricity target (less hysteresis factor)");
_elementStrategy.ShouldElementBeOn(
new ElementStrategyParams
{
InletTemperature = (lowerTarget + upperTarget) / 2,
IsElementCurrentlyOn = true
}
).Should().BeTrue("because the current inlet temp is in the target range, and we're already on, so keep going!");
_elementStrategy.ShouldElementBeOn(
new ElementStrategyParams
{
InletTemperature = upperTarget + 1,
IsElementCurrentlyOn = true
}
).Should().BeFalse("because we turn off after we've exceeded the top of the target temp range (including hysteresis)");
_elementStrategy.ShouldElementBeOn(
new ElementStrategyParams
{
InletTemperature = (lowerTarget + upperTarget) / 2,
IsElementCurrentlyOn = false
}
).Should().BeFalse("because the current inlet temp is in the target range, but we're not already on, so we must be in the cooldown part of the hysteresis");
}