def test_date_of_event_with_saturday(self):
     self.assertFalse(Event.is_valid_date_of_event("2015.12.26"))
 def test_date_of_event_with_valid_string(self):
     self.assertTrue(Event.is_valid_date_of_event("2015.12.24"))
 def test_date_of_event_with_hyphens(self):
     self.assertFalse(Event.is_valid_date_of_event("2015-12-24"))
 def test_date_of_event_contains_letters(self):
     self.assertFalse(Event.is_valid_date_of_event("2O15.I2.24"))
 def test_date_of_event_less_then_ten_days(self):
     self.assertFalse(Event.is_valid_date_of_event("2015.1.27"))