redash/tests/handlers/test_paginate.py
Arik Fraimovich 2dff8b9a00
Black support for the Python codebase (#4297)
* Apply black formatting

* Add auto formatting when committing to master

* Update CONTRIBUTING.md re. Black & Prettier
2019-12-11 13:54:29 +02:00

43 lines
1.3 KiB
Python

from werkzeug.exceptions import BadRequest
from redash.handlers.base import paginate
from unittest import TestCase
from mock import MagicMock
class DummyResults(object):
items = [i for i in range(25)]
dummy_results = DummyResults()
class TestPaginate(TestCase):
def setUp(self):
self.query_set = MagicMock()
self.query_set.count = MagicMock(return_value=102)
self.query_set.paginate = MagicMock(return_value=dummy_results)
def test_returns_paginated_results(self):
page = paginate(self.query_set, 1, 25, lambda x: x)
self.assertEqual(page["page"], 1)
self.assertEqual(page["page_size"], 25)
self.assertEqual(page["count"], 102)
self.assertEqual(page["results"], dummy_results.items)
def test_raises_error_for_bad_page(self):
self.assertRaises(
BadRequest, lambda: paginate(self.query_set, -1, 25, lambda x: x)
)
self.assertRaises(
BadRequest, lambda: paginate(self.query_set, 6, 25, lambda x: x)
)
def test_raises_error_for_bad_page_size(self):
self.assertRaises(
BadRequest, lambda: paginate(self.query_set, 1, 251, lambda x: x)
)
self.assertRaises(
BadRequest, lambda: paginate(self.query_set, 1, -1, lambda x: x)
)