Victor Stinner
3bd6496998
* test_pagination: use an empty string rather None as marker for bisect. On Python 3, a comparison between None and strings now raises a TypeError. * Remove test_pagination from blacklist-py3.txt to run it on Python 3 Partially implements: blueprint trove-python3 Change-Id: I0c9c7d064ef7df2b15b40029264c33c9e9c9393e
127 lines
5.0 KiB
Python
127 lines
5.0 KiB
Python
# Copyright 2013 OpenStack Foundation
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# Copyright 2013 Rackspace Hosting
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# Copyright 2013 Hewlett-Packard Development Company, L.P.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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from mock import Mock
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from trove.common import pagination
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from trove.tests.unittests import trove_testtools
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class TestPaginatedDataView(trove_testtools.TestCase):
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def test_creation_with_string_marker(self):
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view = pagination.PaginatedDataView("TestType", [],
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"http://current_page",
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next_page_marker="marker")
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self.assertEqual("marker", view.next_page_marker)
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def test_creation_with_none_marker(self):
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view = pagination.PaginatedDataView("TestType", [],
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"http://current_page",
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next_page_marker=None)
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self.assertIsNone(view.next_page_marker)
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def test_creation_with_none_string_marker(self):
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view = pagination.PaginatedDataView("TestType", [],
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"http://current_page",
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next_page_marker=52)
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self.assertEqual("52", view.next_page_marker)
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def _do_paginate_list(self, limit=None, marker='', include_marker=False):
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li = ['a', 'b', 'c', 'd', 'e']
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return pagination.paginate_list(li, limit=limit, marker=marker,
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include_marker=include_marker)
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def test_paginate_list(self):
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# start list
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li_1, marker_1 = self._do_paginate_list(limit=2)
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self.assertEqual(['a', 'b'], li_1)
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self.assertEqual('b', marker_1)
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# continue list, do not include marker in result
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li_2, marker_2 = self._do_paginate_list(limit=2, marker=marker_1)
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self.assertEqual(['c', 'd'], li_2)
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self.assertEqual('d', marker_2)
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li_3, marker_3 = self._do_paginate_list(limit=2, marker=marker_2)
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self.assertEqual(['e'], li_3)
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self.assertIsNone(marker_3)
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# alternate continue list, include marker in result
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li_4, marker_4 = self._do_paginate_list(limit=2, marker=marker_1,
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include_marker=True)
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self.assertEqual(['b', 'c'], li_4)
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self.assertEqual('c', marker_4)
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li_5, marker_5 = self._do_paginate_list(limit=2, marker=marker_4,
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include_marker=True)
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self.assertEqual(['c', 'd'], li_5)
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self.assertEqual('d', marker_5)
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li_6, marker_6 = self._do_paginate_list(limit=2, marker=marker_5,
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include_marker=True)
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self.assertEqual(['d', 'e'], li_6)
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self.assertIsNone(marker_6)
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# bad marker
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li_4, marker_4 = self._do_paginate_list(marker='f')
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self.assertEqual([], li_4)
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self.assertIsNone(marker_4)
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li_5, marker_5 = self._do_paginate_list(limit=1, marker='f')
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self.assertEqual([], li_5)
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self.assertIsNone(marker_5)
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def test_dict_paginate(self):
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li = [{'_collate': 'en_US.UTF-8',
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'_character_set': 'UTF8',
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'_name': 'db1'},
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{'_collate': 'en_US.UTF-8',
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'_character_set': 'UTF8',
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'_name': 'db3'},
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{'_collate': 'en_US.UTF-8',
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'_character_set': 'UTF8',
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'_name': 'db2'},
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{'_collate': 'en_US.UTF-8',
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'_character_set': 'UTF8',
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'_name': 'db5'},
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{'_collate': 'en_US.UTF-8',
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'_character_set': 'UTF8',
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'_name': 'db4'}
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]
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l, m = pagination.paginate_dict_list(li, '_name', limit=1,
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marker='db1',
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include_marker=True)
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self.assertEqual(l[0], li[0])
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self.assertEqual(m, 'db1')
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def test_object_paginate(self):
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def build_mock_object(name):
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o = Mock()
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o.name = name
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o.attr = 'attr'
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return o
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li = [build_mock_object('db1'), build_mock_object('db2'),
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build_mock_object('db3')]
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l, m = pagination.paginate_object_list(li, 'name', limit=1,
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marker='db1',
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include_marker=True)
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self.assertEqual(l[0], li[0])
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self.assertEqual(m, 'db1')
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