def testFromDate(self): ym = YearMonth.from_date(date(2011, 12, 15)) self.assertEquals(ym, self.ym201112) ym = YearMonth.from_date(date(2012, 1, 20)) self.assertEquals(ym, self.ym201201) ym = YearMonth.from_date(date(2012, 6, 21)) self.assertEquals(ym, self.ym201206a)