def test_checkLastDonation_invalidValue_returnFalse(self):
     donor = Donor()
     donor.last_donation = "2015.10.11"
     self.assertFalse(donor.check_last_donation())
 def test_checkLastDonation_validValue_returnTrue(self):
     donor = Donor()
     donor.last_donation = "2014.07.14"
     self.assertTrue(donor.check_last_donation())
 def test_checkLastDonation_emptyString_returnFalse(self):
     donor = Donor()
     donor.last_donation = ""
     self.assertFalse(donor.check_last_donation())