def test_combining_overlapping_dateranges():
d = Datasource()
daterange_1 = "2001-01-01-00:00:00_2001-03-01-00:00:00"
daterange_2 = "2001-02-01-00:00:00_2001-06-01-00:00:00"
dateranges = [daterange_1, daterange_2]
combined = d.combine_dateranges(dateranges=dateranges)
assert combined == ['2001-01-01-00:00:00+00:00_2001-06-01-00:00:00+00:00']
daterange_1 = "2001-01-01-00:00:00_2001-03-01-00:00:00"
daterange_2 = "2001-02-01-00:00:00_2001-06-01-00:00:00"
daterange_3 = "2001-05-01-00:00:00_2001-08-01-00:00:00"
daterange_4 = "2004-05-01-00:00:00_2004-08-01-00:00:00"
daterange_5 = "2004-04-01-00:00:00_2004-09-01-00:00:00"
daterange_6 = "2007-04-01-00:00:00_2007-09-01-00:00:00"
dateranges = [daterange_1, daterange_2, daterange_3, daterange_4, daterange_5, daterange_6]
combined = d.combine_dateranges(dateranges=dateranges)
assert combined == ['2001-01-01-00:00:00+00:00_2001-08-01-00:00:00+00:00',
'2004-04-01-00:00:00+00:00_2004-09-01-00:00:00+00:00',
'2007-04-01-00:00:00+00:00_2007-09-01-00:00:00+00:00']
def test_combining_single_dateranges_returns():
d = Datasource()
daterange = "2027-08-01-00:00:00_2027-12-01-00:00:00"
combined = d.combine_dateranges(dateranges=[daterange])
assert combined[0] == daterange
def test_combining_no_overlap():
d = Datasource()
daterange_1 = "2001-01-01-00:00:00_2001-03-01-00:00:00"
daterange_2 = "2011-02-01-00:00:00_2011-06-01-00:00:00"
dateranges = [daterange_1, daterange_2]
combined = d.combine_dateranges(dateranges=dateranges)
assert combined == ['2001-01-01-00:00:00+00:00_2001-03-01-00:00:00+00:00', '2011-02-01-00:00:00+00:00_2011-06-01-00:00:00+00:00']
