def test_escrita_campo_num_int(self):
        # aceitar somente inteiros (int e long)
        with self.assertRaises(errors.TipoError):
            self.header_arquivo.controle_banco = 10.0
        with self.assertRaises(errors.TipoError):
            self.header_arquivo.controle_banco = ''

        # verifica se o numero de digitos esta sendo verificado
        with self.assertRaises(errors.NumDigitosExcedidoError):
            self.header_arquivo.controle_banco = 12345678234567890234567890
        with self.assertRaises(errors.NumDigitosExcedidoError):
            self.header_arquivo.controle_banco = 1234

        # verifica valor armazenado
        self.header_arquivo.controle_banco = 5
        self.assertEqual(self.header_arquivo.controle_banco, 5)
def balanced_accuracy_scoring(clf, X, y):
    """Scoring function that computes the balanced accuracy to be used
    internally in the cross-validation procedure.
    """
    y_pred = clf.predict(X)
    conf_mat = confusion_matrix(y, y_pred)
    bal_acc = 0.
    for i in range(len(conf_mat)):
        bal_acc += (float(conf_mat[i, i])) / np.sum(conf_mat[i])

    bal_acc /= len(conf_mat)
    return bal_acc