def test_get_refperiod(self):
     "Check that the reference period has always the proper frequency"
     a = ReferencedSeries(np.arange(2000, 2010),
                          start_date=ts.Date('Y', '2000'),
                          refperiod=(ts.Date('Y',
                                             '2003'), ts.Date('A', '2006')))
     assert (isinstance(a.refperiod, ts.DateArray))
     assert_equal(a.refperiod.freq, a.dates.freq)
     a = a.convert('M')
     assert_equal(a.refperiod.freq, a.dates.freq)
 def test_get_refperiod(self):
     "Check that the reference period has always the proper frequency"
     a = ReferencedSeries(
         np.arange(2000, 2010),
         start_date=ts.Date("Y", "2000"),
         refperiod=(ts.Date("Y", "2003"), ts.Date("A", "2006")),
     )
     assert isinstance(a.refperiod, ts.DateArray)
     assert_equal(a.refperiod.freq, a.dates.freq)
     a = a.convert("M")
     assert_equal(a.refperiod.freq, a.dates.freq)
 def test_check_refperiod(self):
     "Test that the reference period is always a DateArray"
     series = ReferencedSeries(np.arange(10), start_date=ts.Date("M", "2001-01"))
     refperiod = series._optinfo["reference_period"]
     self.failUnless(refperiod is None)
     series.refperiod = None
     refperiod = series._optinfo["reference_period"]
     self.failUnless(isinstance(refperiod, ts.DateArray))
     assert_equal(refperiod.tovalues(), series.dates[[0, -1]].tovalues())
     series.refperiod = None
     assert_equal(refperiod, series.dates[[0, -1]])
     self.failUnless(isinstance(refperiod, ts.DateArray))
 def test_check_refperiod(self):
     "Test that the reference period is always a DateArray"
     series = ReferencedSeries(np.arange(10),
                               start_date=ts.Date('M', '2001-01'))
     refperiod = series._optinfo['reference_period']
     self.failUnless(refperiod is None)
     series.refperiod = None
     refperiod = series._optinfo['reference_period']
     self.failUnless(isinstance(refperiod, ts.DateArray))
     assert_equal(refperiod.tovalues(), series.dates[[0, -1]].tovalues())
     series.refperiod = None
     assert_equal(refperiod, series.dates[[0, -1]])
     self.failUnless(isinstance(refperiod, ts.DateArray))
 def setUp(self):
     series = ReferencedSeries(np.random.rand(360),
                               start_date=ts.Date('M', '1970-01-01'))
     series[1:-1:10] = masked
     refperiod = ts.DateArray(
         [ts.Date('M', '1980-01-01'),
          ts.Date('M', '1990-01-01')], freq='M')
     self.series = series
     self.refperiod = refperiod