Adiciona validação do RENAVAM - Issue 430 #440
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| def is_valid_renavam(renavam): # type: (str) -> bool | ||
| """ | ||
| Validates the Brazilian vehicle registration number (RENAVAM). | ||
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| This function takes a RENAVAM string and checks if it is valid. | ||
| A valid RENAVAM consists of exactly 11 digits, with the last digit as | ||
| a verification digit calculated from the previous 10 digits. | ||
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| Args: | ||
| renavam (str): The RENAVAM string to be validated. | ||
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| Returns: | ||
| bool: True if the RENAVAM is valid, False otherwise. | ||
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| Example: | ||
| >>> is_valid_renavam('12345678900') | ||
| True | ||
| >>> is_valid_renavam('12345678901') | ||
| False | ||
| >>> is_valid_renavam('1234567890a') | ||
| False | ||
| >>> is_valid_renavam('12345678 901') | ||
| False | ||
| >>> is_valid_renavam('12345678') # Less than 11 digits | ||
| False | ||
| >>> is_valid_renavam('') # Empty string | ||
| False | ||
| >>> is_valid_renavam(None) # None | ||
| False | ||
| """ | ||
| if renavam and len(renavam) == 11 and renavam.isnumeric(): | ||
| check_digit = int(renavam[-1:]) | ||
| renavam_digitis = [int(d) for d in renavam] | ||
| renavam_digitis = renavam_digitis[:-1] | ||
| multipliers = [2, 3, 4, 5, 6, 7, 8, 9, 2, 3] | ||
| sum_digits = sum( | ||
| digit * multipliers[i] | ||
| for i, digit in enumerate(renavam_digitis[::-1]) | ||
| ) | ||
| remainder_division = sum_digits % 11 | ||
| if remainder_division <= 1: | ||
| check_digit_calculated = 0 | ||
| else: | ||
| check_digit_calculated = 11 - remainder_division | ||
| if check_digit == check_digit_calculated: | ||
| return True | ||
| return False | ||
|
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There was a problem hiding this comment. Na codebase existe essa funcção que está implementada no PIS: def _checksum(base_pis: str) -> int:
"""
Calculate the checksum digit of the given `base_pis` string.
Args:
base_pis (str): The first 10 digits of a PIS number as a string.
Returns:
int: The checksum digit.
"""
pis_digits = list(map(int, base_pis))
pis_sum = sum(digit * weight for digit, weight in zip(pis_digits, WEIGHTS))
check_digit = 11 - (pis_sum % 11)
return 0 if check_digit in [10, 11] else check_digitMe parece que todo documento utilizado no Brasil (PIS, PASEP, RENAVAM, CPF) utilizam esse código de maneira parecida. Então, o que eu sugiro é você utilizar essa função que já existes ajustando para o que você precisa, assim, a gente evita muita duplicação de código. |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| from unittest import TestCase | ||
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| from brutils.renavam import is_valid_renavam | ||
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| class TestRENAVAM(TestCase): | ||
| def test_is_valid_renavam(self): | ||
| # Testes para RENAVAM válidos | ||
| self.assertFalse(is_valid_renavam("12345678901")) | ||
| self.assertFalse(is_valid_renavam("09945438645")) | ||
| self.assertFalse(is_valid_renavam("94521237655")) | ||
| self.assertFalse(is_valid_renavam("45403264305")) | ||
| self.assertFalse(is_valid_renavam("45403471665")) | ||
| self.assertFalse(is_valid_renavam("34743721835")) | ||
| self.assertFalse(is_valid_renavam("69277208515")) | ||
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| self.assertTrue(is_valid_renavam("12345678900")) | ||
| self.assertTrue(is_valid_renavam("92876838150")) | ||
| self.assertTrue(is_valid_renavam("65720648534")) | ||
| self.assertTrue(is_valid_renavam("63601073019")) | ||
| self.assertTrue(is_valid_renavam("09945438641")) | ||
| self.assertTrue(is_valid_renavam("94521237651")) | ||
| self.assertTrue(is_valid_renavam("45403264308")) | ||
| self.assertTrue(is_valid_renavam("45403471664")) | ||
| self.assertTrue(is_valid_renavam("34743721831")) | ||
| self.assertTrue(is_valid_renavam("69277208510")) | ||
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| # Testes para entradas inválidas | ||
| self.assertFalse(is_valid_renavam("1234567890a")) # Contém letra | ||
| self.assertFalse(is_valid_renavam("12345678 901")) # Contém espaço | ||
| self.assertFalse(is_valid_renavam("12345678")) # Menos de 11 dígitos | ||
| self.assertFalse(is_valid_renavam("")) # String vazia | ||
| self.assertFalse(is_valid_renavam("123456789012")) # Mais de 11 dígitos | ||
| self.assertFalse(is_valid_renavam("abcdefghijk")) # Apenas letras | ||
| self.assertFalse( | ||
| is_valid_renavam("12345678901!") | ||
| ) # Contém caractere especial | ||
| self.assertFalse(is_valid_renavam(None)) # Contém caractere especial |
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Ao invés de tipar os parâmetros e o retorno como comentário, utilize mesmo como se fosse uma tipagem forte em linguagens compiladas.