def testFromString(self):
ym = YearMonth.from_string('2011-12')
self.assertEquals(ym, self.ym201112)
ym = YearMonth.from_string('2012-01')
self.assertEquals(ym, self.ym201201)
ym = YearMonth.from_string('2012-06')
self.assertEquals(ym, self.ym201206a)
def from_invalid_string1():
YearMonth.from_string('2012-01-')
self.assertRaises(ValueError, from_invalid_string1)
def from_invalid_string2():
YearMonth.from_string('2012-1')
self.assertRaises(ValueError, from_invalid_string2)
def from_invalid_string3():
YearMonth.from_string('xyz')
self.assertRaises(ValueError, from_invalid_string3)
def from_invalid_string3():
YearMonth.from_string('xyz')
def from_invalid_string2():
YearMonth.from_string('2012-1')
def from_invalid_string1():
YearMonth.from_string('2012-01-')
