public void Prescription_NextRecurrence()
{
// 1 year long recurrence, happening every day
var recurrenceStart = new DateTimeOffset(2017, 01, 01, 0, 0, 0, TimeSpan.Zero);
var recurrenceEnd = new DateTimeOffset(2018, 01, 01, 0, 0, 0, TimeSpan.Zero);
var recurrenceInterval = new TimeSpan(1, 0, 0, 0); // one day
var recurrence_daily = new Prescription.Recurrence
{
Start = recurrenceStart,
End = recurrenceEnd,
Interval = recurrenceInterval,
Doses = new List <Dose>(), // empty list
};
var recurrence_7hours = new Prescription.Recurrence
{
Start = recurrenceStart,
End = recurrenceEnd,
Interval = new TimeSpan(7, 0, 0), // every 7 hours
Doses = new List <Dose>(),
};
var prescription = new Prescription {
Recurrences = new List <Prescription.Recurrence> {
recurrence_daily
}
};
var currentTime = recurrenceStart.AddSeconds(1);
var expectedNextRecurrence = new DateTimeOffset(2017, 01, 02, 0, 0, 0, TimeSpan.Zero);
Assert.AreEqual(expectedNextRecurrence, prescription.NextRecurrence(currentTime));
prescription.Recurrences = new List <Prescription.Recurrence> {
recurrence_daily, recurrence_7hours
};
Assert.AreEqual(recurrenceStart.AddHours(7), prescription.NextRecurrence(currentTime));
}
public void Prescription_Recurrence_ExpectedNumDoses()
{
// 1 year long recurrence, happening every day
var recurrenceStart = new DateTimeOffset(2017, 01, 01, 0, 0, 0, TimeSpan.Zero);
var recurrenceEnd = new DateTimeOffset(2018, 01, 01, 0, 0, 0, TimeSpan.Zero);
var recurrenceInterval = new TimeSpan(1, 0, 0, 0); // one day
var recurrence = new Prescription.Recurrence
{
Start = recurrenceStart,
End = recurrenceEnd,
Interval = recurrenceInterval,
Doses = new List <Dose>(), // empty list
};
Assert.AreEqual(365, recurrence.GetExpectedNumberOfDoses(DateTimeOffset.MinValue, DateTimeOffset.MaxValue));
Assert.AreEqual(360, recurrence.GetExpectedNumberOfDoses(recurrenceStart.AddDays(5), DateTimeOffset.MaxValue));
// adding less than Interval time shouldn't change result
Assert.AreEqual(5, recurrence.GetExpectedNumberOfDoses(DateTimeOffset.MinValue, recurrenceStart.AddDays(5).AddHours(1)));
Assert.AreEqual(5, recurrence.GetExpectedNumberOfDoses(DateTimeOffset.MinValue, recurrenceStart.AddDays(5).AddHours(6)));
Assert.AreEqual(5, recurrence.GetExpectedNumberOfDoses(DateTimeOffset.MinValue, recurrenceStart.AddDays(5).AddHours(15)));
// end date is handled correctly
Assert.AreEqual(6, recurrence.GetExpectedNumberOfDoses(DateTimeOffset.MinValue, recurrenceStart.AddDays(6)));
// both end and start dates are handled correctly
Assert.AreEqual(1, recurrence.GetExpectedNumberOfDoses(recurrenceStart.AddDays(5), recurrenceStart.AddDays(6)));
// negative date ranges return zero
Assert.AreEqual(0, recurrence.GetExpectedNumberOfDoses(recurrenceStart.AddDays(10), recurrenceStart.AddDays(1)));
}