71 lines
2.0 KiB
Python
71 lines
2.0 KiB
Python
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import re
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import unittest
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def Telefonnummer(nummer):
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#nur noch Zahlen
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nummer = re.sub(r"[^\d]", "", nummer)
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#1 am Start
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if not nummer.startswith("1"):
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nummer = "1" + nummer
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#Bindestriche
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nummer = re.sub(r"(\d{1})(\d{3})(\d{3})(\d{4})", r"1-\2-\3-\4", nummer)
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return nummer
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#a)
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def Gültigkeit(nummer):
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match = re.search(r"(1)-([0-9]+)-([0-9]+)-([0-9]+)", Telefonnummer(nummer))
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if match:
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ortsvorwahl = match.group(2)
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amtskennziffer = match.group(3)
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vorwahl = match.group(4)
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if ortsvorwahl[0] == "0" or ortsvorwahl[0] == "1":
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raise ValueError("Ungültige Telefonnummer (erste Ortsvorwahlziffer darf nicht 0 oder 1 sein)")
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elif vorwahl[0] == "0" or vorwahl[0] == "1":
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raise ValueError("Ungültige Telefonnummer (erste Vorwahlziffer darf nicht 0 oder 1 sein)")
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elif vorwahl[1] == "9":
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raise ValueError("Ungültige Telefonnummer (zweite Vorwahlziffer darf nicht 9 sein)")
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elif len(ortsvorwahl) != 3 or len(amtskennziffer) != 3 or len(vorwahl) != 4:
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raise ValueError("Ungültige Telefonnummer (zu lang)")
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return Telefonnummer(nummer)
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else:
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raise ValueError("Ungültige Telefonnummer (falsches Format)")
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#b)
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class Testnummern(unittest.TestCase):
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def setUp(self):
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self.test_nummern = ["+1 223-456-7890",
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"1-223-456-7890",
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"+1 223 456-7890",
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"(223) 456-7890",
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"1 223 456 7890",
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"223.456.7890",
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"1-989-111-2222"]
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def testnummern(self):
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expected_outputs = ["1-223-456-7890",
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"1-223-456-7890",
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"1-223-456-7890",
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"1-223-456-7890",
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"1-223-456-7890",
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"1-223-456-7890",
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"1-989-111-2222"]
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for i, number in enumerate(self.test_nummern):
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try:
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result = Gültigkeit(number)
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self.assertEqual(result, expected_outputs[i])
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except ValueError as e:
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self.assertRaises(ValueError)
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if __name__ == '__main__':
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unittest.main()
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