func TestDayOrNight(t *testing.T) {
location, _ := time.LoadLocation("America/Chicago")
expectedSunrise := time.Date(2014, 11, 19, 7, 0, 24, 0, location)
expectedSunset := time.Date(2014, 11, 19, 17, 22, 57, 0, location)
times := []time.Time{
time.Date(2014, 11, 19, 7, 0, 24, 0, location),
time.Date(2014, 11, 19, 8, 0, 0, 0, location),
time.Date(2014, 11, 19, 9, 0, 0, 0, location),
time.Date(2014, 11, 19, 10, 0, 0, 0, location),
time.Date(2014, 11, 19, 11, 0, 0, 0, location),
time.Date(2014, 11, 19, 12, 0, 0, 0, location),
time.Date(2014, 11, 19, 13, 0, 0, 0, location),
time.Date(2014, 11, 19, 14, 0, 0, 0, location),
time.Date(2014, 11, 19, 15, 0, 0, 0, location),
time.Date(2014, 11, 19, 16, 0, 0, 0, location),
time.Date(2014, 11, 19, 17, 0, 0, 0, location),
time.Date(2014, 11, 19, 17, 22, 56, 0, location),
}
for _, cTime := range times {
dayOrNight, start, end := sunrise.DayOrNight(32.9, -96.2, cTime)
if dayOrNight != sunrise.Day {
t.Fatal("Expected day")
}
if start != expectedSunrise || end != expectedSunset {
t.Errorf("For %v, got sunrise %v; sunset %v", cTime, start, end)
}
}
dayOrNight, _, _ := sunrise.DayOrNight(32.9, -96.2, expectedSunset)
if dayOrNight != sunrise.Night {
t.Error("Expected night")
}
expectedSunset = time.Date(2014, 11, 18, 17, 23, 25, 0, location)
times = []time.Time{
time.Date(2014, 11, 18, 17, 23, 25, 0, location),
time.Date(2014, 11, 18, 18, 0, 0, 0, location),
time.Date(2014, 11, 18, 19, 0, 0, 0, location),
time.Date(2014, 11, 18, 20, 0, 0, 0, location),
time.Date(2014, 11, 18, 21, 0, 0, 0, location),
time.Date(2014, 11, 18, 22, 0, 0, 0, location),
time.Date(2014, 11, 18, 23, 0, 0, 0, location),
time.Date(2014, 11, 19, 0, 0, 0, 0, location),
time.Date(2014, 11, 19, 1, 0, 0, 0, location),
time.Date(2014, 11, 19, 2, 0, 0, 0, location),
time.Date(2014, 11, 19, 3, 0, 0, 0, location),
time.Date(2014, 11, 19, 4, 0, 0, 0, location),
time.Date(2014, 11, 19, 5, 0, 0, 0, location),
time.Date(2014, 11, 19, 6, 0, 0, 0, location),
time.Date(2014, 11, 19, 7, 0, 0, 0, location),
time.Date(2014, 11, 19, 7, 0, 23, 0, location),
}
for _, cTime := range times {
dayOrNight, start, end := sunrise.DayOrNight(32.9, -96.2, cTime)
if dayOrNight != sunrise.Night {
t.Fatal("Expected night")
}
if start != expectedSunset || end != expectedSunrise {
t.Errorf("For %v, got sunset %v; sunrise %v", cTime, start, end)
}
}
}
func TestDarkAllDay(t *testing.T) {
var s sunrise.Sunrise
location, _ := time.LoadLocation("America/Los_Angeles")
startTime := time.Date(2014, 12, 20, 0, 0, 0, 0, location)
// Above tropic of cancer should be dark all day
s.Around(68, -118.25, startTime)
dayLen := s.Sunset().Sub(s.Sunrise())
if dayLen != 0 {
t.Errorf("Expected dark all day, but light %v", dayLen)
}
dayOrNight, _, _ := sunrise.DayOrNight(68, -118.25, startTime)
if dayOrNight != sunrise.Night {
t.Error("Expected phase to be night")
}
}