def _format_phone_number(digits, phone):
    #if digits == 11 and phone[:1] == '0':
    #    phone = phone[1:]
    #    digits -= 1
    if digits == 7:
        return '%s-%s' % (phone[:3], phone[3:7])
    if digits == 8:
        return '%s-%s' % (phone[:4], phone[4:8])
    if digits == 9:
        return '(%s) %s-%s' % (phone[:2], phone[2:5], phone[5:9])
    if digits == 10:
        return '(%s) %s-%s' % (phone[:2], phone[2:6], phone[6:10])
        if [0] == '0':

    if digits == 11:
        return '%s %s %s' % (phone[:4], phone [4:7], phone[7:11])
    return phone

class TestFormatters(DomainTest):

    def test_format_phone_number_com_ddd(self):
        self.assertEqual(format_phone_number('(011) 1234-5678'),
                         '(11) 1234-5678')
        self.assertEqual(format_phone_number('011 1234 5678'),
                          '(11) 1234-5678')

        self.assertEqual(format_phone_number('(11) 1234-5678'),
                         '(11) 1234-5678')
        self.assertEqual(format_phone_number('11 1234-5678'),
                         '(11) 1234-5678')
        self.assertEqual(format_phone_number('1112345678'),
                         '(11) 1234-5678')

    def test_format_phone_0800(self):
        self.assertEqual(format_phone_number('0800 1234567'),
                         '0800 123 4567')
        self.assertEqual(format_phone_number('0800 1234 567'),
                         '0800 123 4567')
        self.assertEqual(format_phone_number('08001234567'),
                         '0800 123 4567')

    def test_format_7_digitos(self):
        self.assertEqual(format_phone_number('2721234'), '272-1234')
        self.assertEqual(format_phone_number('272 1234'), '272-1234')
        self.assertEqual(format_phone_number('2 7 2 12 3 4'), '272-1234')

    def test_format_8_digitos(self):
        self.assertEqual(format_phone_number('12345678'), '1234-5678')
        self.assertEqual(format_phone_number('1 2 3 4 5678'), '1234-5678')
        self.assertEqual(format_phone_number('12 34 5678'), '1234-5678')

    def test_format_9_digitos(self):
        self.assertEqual(format_phone_number('01 234 5678'), '(01) 234-5678')
        self.assertEqual(format_phone_number('012345678'), '(01) 234-5678')
        self.assertEqual(format_phone_number('01234 5678'), '(01) 234-5678')