def test_dateToISO(self):
"""dateToISO should recurse properly"""
d1 = {'k1':datetime.datetime(2012,12,21)}
self.assertEqual({'k1': '2012-12-21T00:00:00'}, dm._dateToISO(d1))
d1 = {'k1':{'k2':datetime.datetime(2012,12,21)}}
# regression, it does not traverse nested dicts
self.assertEqual({'k1': {'k2': datetime.datetime(2012, 12, 21, 0, 0)}}, dm._dateToISO(d1))
d1 = {'k1':[datetime.datetime(2012,12,21), datetime.datetime(2012,12,22)] }
self.assertEqual({'k1': ['2012-12-21T00:00:00', '2012-12-22T00:00:00']}, dm._dateToISO(d1))
d1 = datetime.datetime(2012,12,21)
self.assertEqual('2012-12-21T00:00:00', dm._dateToISO(d1))
d1 = [datetime.datetime(2012,12,21), datetime.datetime(2012,12,22)]
np.testing.assert_array_equal(dm._dateToISO(d1), ['2012-12-21T00:00:00', '2012-12-22T00:00:00'])
def test_dateToISOunaltered_dm(self):
"""Test to check that _dateToISO doesn't change datatypes, input dmarray"""
data = spt.tickrange('20200101', '20200102',
deltadays=datetime.timedelta(hours=1)).UTC
exptype = type(data[0])
newdata = dm._dateToISO(data)
restype = type(data[0])
self.assertEqual(exptype, restype)
