101 lines
3.2 KiB
Python
101 lines
3.2 KiB
Python
# Copyright 2014 MongoDB, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Test the cursor_manager module."""
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import sys
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sys.path[0:0] = [""]
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from pymongo.cursor_manager import CursorManager
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from pymongo.errors import CursorNotFound, InvalidOperation
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from test import (client_context,
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unittest,
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IntegrationTest,
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connection_string,
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SkipTest)
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from test.utils import get_client
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class TestCursorManager(IntegrationTest):
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@classmethod
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def setUpClass(cls):
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super(TestCursorManager, cls).setUpClass()
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cls.collection = client_context.client.pymongo_test.test
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cls.collection.remove()
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# Ensure two batches.
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cls.collection.insert({'_id': i} for i in range(200))
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@classmethod
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def tearDownClass(cls):
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cls.collection.remove()
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def test_cursor_manager(self):
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if (client_context.is_mongos
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and not client_context.version.at_least(2, 4, 7)):
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# Old mongos sends incorrectly formatted error response when
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# cursor isn't found, see SERVER-9738.
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raise SkipTest("Can't test kill_cursors against old mongos")
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self.close_was_called = False
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test_case = self
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class CM(CursorManager):
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def __init__(self, connection):
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super(CM, self).__init__(connection)
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def close(self, cursor_id):
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test_case.close_was_called = True
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super(CM, self).close(cursor_id)
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client = get_client(max_pool_size=1)
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client.set_cursor_manager(CM)
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# Create a cursor on the same client so we're certain the getMore is
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# sent after the killCursors message.
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cursor = client.pymongo_test.test.find()
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next(cursor)
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client.close_cursor(cursor.cursor_id)
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with self.assertRaises(CursorNotFound):
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list(cursor)
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self.assertTrue(self.close_was_called)
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@client_context.require_replica_set
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def test_cursor_manager_prohibited_with_rs(self):
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# Test that kill_cursors() throws an error while the topology type
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# isn't Single or Sharded.
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client = get_client(connection_string(),
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replicaSet=client_context.setname)
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client.set_cursor_manager(CursorManager)
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cursor = client.pymongo_test.test.find()
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next(cursor)
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with self.assertRaises(InvalidOperation):
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cursor.close()
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with self.assertRaises(InvalidOperation):
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client.close_cursor(cursor.cursor_id)
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# Avoid error message from cursor.__del__.
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cursor._Cursor__cursor_id = None
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if __name__ == "__main__":
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unittest.main()
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