old_contents: # coding=utf-8
  
  from __future__ import unicode_literals
  
  import re
  import unittest
  
  import six
  
  from faker import Faker
  
  
  class TestPhoneNumber(unittest.TestCase):
      """ Tests phone_number in the ja_JP locale """
  
      def setUp(self):
          self.factory = Faker()
  
      def test_phone_number(self):
          pn = self.factory.phone_number()
  
          assert pn
          assert isinstance(pn, six.string_types)
  
      def test_phone_number_ja(self):
          factory = Faker('ja')
          pn = factory.phone_number()
          formats = ('070', '080', '090')
  
          assert pn
          assert isinstance(pn, six.string_types)
          first, second, third = pn.split('-')
          assert first
          assert first.isdigit()
          assert second
          assert second.isdigit()
          assert third
          assert third.isdigit()
          if len(first) == 2:
              assert len(second) == 4
              assert len(third) == 4
          else:
              assert len(first) == 3
              assert len(second) == 4
              assert len(third) == 4
              assert first in formats
  
      def test_msisdn(self):
          msisdn = self.factory.msisdn()
  
          assert msisdn is not None
          assert isinstance(msisdn, six.string_types)
          assert len(msisdn) == 13
          assert msisdn.isdigit()
  
      def test_msisdn_pt_br(self):
          factory = Faker('pt_br')
          msisdn = factory.msisdn()
          formats = ('5511', '5521', '5531', '5541', '5551', '5561', '5571', '5581')
  
          assert msisdn is not None
          assert isinstance(msisdn, six.string_types)
          assert len(msisdn) == 13
          assert msisdn.isdigit()
          assert msisdn[0:4] in formats
  
  
  class TestHuHU(unittest.TestCase):
  
      def setUp(self):
          self.factory = Faker('hu_HU')
  
      def test_phone_number(self):
          phone_number = self.factory.phone_number()
          re.match(r"[1-9]\d/\d{3} \d{4}", phone_number)
  
new_contents: # coding=utf-8
  
  from __future__ import unicode_literals
  
  import re
  import unittest
  
  import six
  
  from faker import Faker
  
  
  class TestPhoneNumber(unittest.TestCase):
      """ Tests phone_number in the ja_JP locale """
  
      def setUp(self):
          self.factory = Faker()
  
      def test_phone_number(self):
          pn = self.factory.phone_number()
  
          assert pn
          assert isinstance(pn, six.string_types)
  
      def test_phone_number_ja(self):
          factory = Faker('ja')
          pn = factory.phone_number()
          formats = ('070', '080', '090')
  
          assert pn
          assert isinstance(pn, six.string_types)
          first, second, third = pn.split('-')
          assert first
          assert first.isdigit()
          assert second
          assert second.isdigit()
          assert third
          assert third.isdigit()
          if len(first) == 2:
              assert len(second) == 4
              assert len(third) == 4
          else:
              assert len(first) == 3
              assert len(second) == 4
              assert len(third) == 4
              assert first in formats
  
      def test_msisdn(self):
          msisdn = self.factory.msisdn()
  
          assert msisdn is not None
          assert isinstance(msisdn, six.string_types)
          assert len(msisdn) == 13
          assert msisdn.isdigit()
  
      def test_msisdn_pt_br(self):
          factory = Faker('pt_br')
          msisdn = factory.msisdn()
          formats = ('5511', '5521', '5531', '5541', '5551', '5561', '5571', '5581')
  
          assert msisdn is not None
          assert isinstance(msisdn, six.string_types)
          assert len(msisdn) == 13
          assert msisdn.isdigit()
          assert msisdn[0:4] in formats
  
      def test_cellphone_pt_br(self):
          factory = Faker('pt_BR')
          cellphone = factory.cellphone_number()
  
          assert cellphone is not None
          assert len(cellphone) == 13
  
  
  class TestHuHU(unittest.TestCase):
  
      def setUp(self):
          self.factory = Faker('hu_HU')
  
      def test_phone_number(self):
          phone_number = self.factory.phone_number()
          re.match(r"[1-9]\d/\d{3} \d{4}", phone_number)
  
subject: Add unit test