old_contents: import unittest, os, sys
  from unittest import TestCase
  
  current_dir = os.path.dirname(__file__)
  base_dir = os.path.join(current_dir, os.pardir, os.pardir)
  sys.path.append(base_dir)
  
  from api import RajaOngkirApi
  
  api_key = u'SetYourApiKeyHereBeforeRunningTest'
  
  
  class RajaOngkirTests(TestCase):
  
      @classmethod
      def setUpClass(cls):
          cls.api = RajaOngkirApi(api_key)
          super(RajaOngkirTests, cls).setUpClass()
  
      def test_provinces(self):
          provinces = self.api.provinces()
          self.assertEqual(type(provinces), list)
  
      def test_province_by_id(self):
          provinces = self.api.province_by_id(9)  # Jawa Barat
          self.assertEqual(type(provinces), dict)
  
      def test_cities(self):
          cities = self.api.cities()
          self.assertEqual(type(cities), list)
  
      def test_city_by_id(self):
          city = self.api.city_by_id(1)
          self.assertEqual(type(city), dict)
  
      def test_city_by_province_and_city_id(self):
          city = self.api.city_by_province_and_city(9, 55)  # Jawa Barat, Bekasi
          self.assertEqual(type(city), dict)
  
      def test_city_by_province(self):
          city = self.api.cities_by_province(9)  # Jawa Barat
          self.assertEqual(type(city), list)
  
      def test_cost_between_city(self):
          cost = self.api.cost_between_city(55, 23, 1000)  # from bekasi to bandung with 1 kg weight
          self.assertEqual(type(cost), list)
  
  
  if __name__ == '__main__':
      unittest.main()
new_contents: import unittest, os, sys
  from unittest import TestCase
  
  current_dir = os.path.dirname(__file__)
  base_dir = os.path.join(current_dir, os.pardir, os.pardir)
  sys.path.append(base_dir)
  
  from api import RajaOngkirApi
  
  # Please don't use this api_key for your production, this key will be deleted or changed someday,
  # you should set with your api key below here, this api_key just used for travis-ci build test
  # to make sure the service is working
  api_key = u'87b3dd79958a2e5b81f2598e90026301'
  
  
  class RajaOngkirTests(TestCase):
  
      @classmethod
      def setUpClass(cls):
          cls.api = RajaOngkirApi(api_key)
          super(RajaOngkirTests, cls).setUpClass()
  
      def test_provinces(self):
          provinces = self.api.provinces()
          self.assertEqual(type(provinces), list)
  
      def test_province_by_id(self):
          provinces = self.api.province_by_id(9)  # Jawa Barat
          self.assertEqual(type(provinces), dict)
  
      def test_cities(self):
          cities = self.api.cities()
          self.assertEqual(type(cities), list)
  
      def test_city_by_id(self):
          city = self.api.city_by_id(1)
          self.assertEqual(type(city), dict)
  
      def test_city_by_province_and_city_id(self):
          city = self.api.city_by_province_and_city(9, 55)  # Jawa Barat, Bekasi
          self.assertEqual(type(city), dict)
  
      def test_city_by_province(self):
          city = self.api.cities_by_province(9)  # Jawa Barat
          self.assertEqual(type(city), list)
  
      def test_cost_between_city(self):
          cost = self.api.cost_between_city(55, 23, 1000)  # from bekasi to bandung with 1 kg weight
          self.assertEqual(type(cost), list)
  
  
  if __name__ == '__main__':
      unittest.main()
subject: add real api_key to test