public void CombineNonOverlappingWorks()
{
DateRange range1 = (Date(1), Date(5));
DateRange range3 = (Date(7), Date(8));
range1.Combine(range3).ShouldBe((range1, range3));
range3.Combine(range1).ShouldBe((range3, range1));
}
public void CombineSameWorks()
{
DateRange range1 = (Date(1), Date(5));
DateRange range2 = (Date(1), Date(5));
var(actualResult, nullResult) = range1.Combine(range2);
actualResult.ShouldBe(range1);
nullResult.ShouldBeNull();
}
public void CombineMultipleWorks()
{
var start = Date(1);
var end = Date(5);
DateRange range1 = (start, Date(3));
DateRange range2 = (Date(2), end);
DateRange range3 = (Date(7), Date(8));
DateRange.Combine(new[] { range1, range2, range3 })
.ShouldBe(new[] { new DateRange(start, end), range3 });
}
public void CombineOverlappingWorks()
{
var expectedStart = Date(1);
var expectedEnd = Date(5);
DateRange range1 = (expectedStart, Date(3));
DateRange range2 = (Date(2), expectedEnd);
var(actualResult, nullResult) = range1.Combine(range2);
actualResult.ShouldBe(new DateRange(expectedStart, expectedEnd));
nullResult.ShouldBeNull();
}
public static TimeSpan ServiceLength(IEnumerable <PersonRole> validRoles, int schoolYear)
{
var totalServiceTime = TimeSpan.Zero;
var ranges = validRoles.Select(role =>
{
var startDate = role.StartDate;
var endDate = role.Active
? schoolYear.EndOfSchoolYear()
: role.EndDate ?? throw new ArgumentException("unknown end date for role:" + role.Id);
return(new DateRange(startDate, endDate));
});
ranges = DateRange.Combine(ranges);
foreach (var dateRange in ranges)
{
totalServiceTime += dateRange.Length;
}
return(totalServiceTime);
}