def test_letter2numInputTooLong(self): self.assertEqual("", IBANcheck.letter2num("DA"))
def test_letter2numWrongType(self): self.assertEqual("", IBANcheck.letter2num(2.2))
def test_letter2numNotFound(self): self.assertEqual("", IBANcheck.letter2num("Ä"))
def test_letter2numEmptyInput(self): self.assertEqual("", IBANcheck.letter2num(""))
def test_letter2numFound(self): self.assertEqual("13", IBANcheck.letter2num("D"))