public void Test_PartOfDayChecker_ForFullDay_ShouldReturnCorrectResults()
{
for (DateTime observationTime = new DateTime(2016, 6, 28); observationTime <= new DateTime(2016, 6, 29); observationTime = observationTime.AddMinutes(10))
{
var data = new SunData(
observationTime: observationTime,
timezone: 3,
deltaUT1: 0,
deltaT: 67,
latitude: 42.72275253,
longitude: 23.2992956,
elevation: 540,
temperature: 10,
pressure: 940,
refraction: null);
SunPositionCalculator.CalculateSunPosition(data);
var zenithAngle = data.TopocentricZenithAngle;
var azimuth = data.AstronomicalTopocentricAzimuth;
var twilightZenithAngle = 90 + PartOfDayChecker.TwilightElevation;
var partOfDay = PartOfDayChecker.GetPartOfDay(observationTime, new TimeSpan(3, 0, 0), 42.72275253, 23.2992956);
// Sanity checks
Assert.IsTrue(zenithAngle >= 0 && zenithAngle <= 180);
Assert.IsTrue(azimuth >= 0 && azimuth <= 360);
if (partOfDay == PartOfDay.Night)
{
Assert.IsTrue(zenithAngle >= twilightZenithAngle);
}
else if (partOfDay == PartOfDay.Dawn)
{
Assert.IsTrue(zenithAngle > 90 && zenithAngle < twilightZenithAngle);
Assert.IsTrue(azimuth > 180);
}
else if (partOfDay == PartOfDay.Day)
{
Assert.IsTrue(zenithAngle < 90);
}
else if (partOfDay == PartOfDay.Dusk)
{
Assert.IsTrue(zenithAngle > 90 && zenithAngle < twilightZenithAngle);
Assert.IsTrue(azimuth <= 180);
}
}
}
public void Test_PartOfDayChecker_WithInvalidLongitude_ShouldReturnUnknown()
{
var partOfDay = PartOfDayChecker.GetPartOfDay(new DateTime(2016, 6, 10, 15, 0, 0), new TimeSpan(3, 0, 0), 42.72275253, 230);
Assert.AreEqual(partOfDay, PartOfDay.Unknown);
}
public void Test_PartOfDayChecker_WithInvalidLatitude_ShouldReturnUnknown()
{
var partOfDay = PartOfDayChecker.GetPartOfDay(new DateTime(2016, 6, 10, 15, 0, 0), new TimeSpan(3, 0, 0), 100, 23.2992956);
Assert.AreEqual(partOfDay, PartOfDay.Unknown);
}