def test_get_customers_in_a_range_of_100km(self):
     customers = get_all_customers_from_file("customers.json")
     customers_in_100Km_range = get_customers_in_a_range_of_100km(customers)
     self.assertEqual(32, len(customers))
     self.assertEqual(16, len(customers_in_100Km_range))
 def test_get_customers_in_a_range_of_100km(self):
     customers = get_all_customers_from_file("customers.json")
     customers_in_100Km_range = get_customers_in_a_range_of_100km(customers)
     self.assertEqual(32, len(customers))
     self.assertEqual(16, len(customers_in_100Km_range))
 def test_get_customers_in_a_range_of_100km_with_wrong_values(self):
     customers = [{"test": "test"}]
     self.assertRaises(ValueError, lambda: get_customers_in_a_range_of_100km(customers))
 def test_get_customers_in_a_range_of_100km_with_wrong_values(self):
     customers = [{"test": "test"}]
     self.assertRaises(ValueError,
                       lambda: get_customers_in_a_range_of_100km(customers))