text: import unittest
  
  from kinto.core.testing import skip_if_no_postgresql
  
  from .support import PostgreSQLTest
  
  
  @skip_if_no_postgresql
  class PaginationTest(PostgreSQLTest, unittest.TestCase):
      @classmethod
      def get_app_settings(cls, extras=None):
          settings = super().get_app_settings(extras)
          settings["storage_max_fetch_size"] = 4
          return settings
  
      def setUp(self):
          super().setUp()
          for i in range(10):
              self.app.post_json("/mushrooms", {"data": {"name": str(i)}}, headers=self.headers)
  
      def test_storage_max_fetch_size_is_per_page(self):
          resp = self.app.get("/mushrooms?_limit=6", headers=self.headers)
          self.assertIn("Next-Page", resp.headers)
          self.assertEqual(int(resp.headers["Total-Records"]), 10)
          self.assertEqual(len(resp.json["data"]), 4)
  
          next_page_url = resp.headers["Next-Page"].replace("http://localhost/v0", "")
          resp = self.app.get(next_page_url, headers=self.headers)
          self.assertIn("Next-Page", resp.headers)
          self.assertEqual(int(resp.headers["Total-Records"]), 10)
          self.assertEqual(len(resp.json["data"]), 4)
  
          next_page_url = resp.headers["Next-Page"].replace("http://localhost/v0", "")
          resp = self.app.get(next_page_url, headers=self.headers)
          self.assertNotIn("Next-Page", resp.headers)
          self.assertEqual(int(resp.headers["Total-Records"]), 10)
          self.assertEqual(len(resp.json["data"]), 2)
  