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How to use set_globally_disabled method in autotest

Best Python code snippet using autotest_python

scheduler_lib_unittest.py

Source:scheduler_lib_unittest.py

1#!/usr/bin/python2#3# Copyright (c) 2014 The Chromium OS Authors. All rights reserved.4# Use of this source code is governed by a BSD-style license that can be5# found in the LICENSE file.6import mock7import unittest8import common9from autotest_lib.database import database_connection10from autotest_lib.frontend import setup_django_environment11from autotest_lib.frontend.afe import readonly_connection12from autotest_lib.server import utils as server_utils13from autotest_lib.scheduler import scheduler_lib14from django.db import utils as django_utils15class ConnectionManagerTests(unittest.TestCase):16    """Connection manager unittests."""17    def setUp(self):18        self.connection_manager = None19        readonly_connection.set_globally_disabled = mock.MagicMock()20        setup_django_environment.enable_autocommit = mock.MagicMock()21        server_utils.Singleton._instances = {}22    def tearDown(self):23        readonly_connection.set_globally_disabled.reset_mock()24        setup_django_environment.enable_autocommit.reset_mock()25    def testConnectionDisconnect(self):26        """Test connection and disconnecting from the database."""27        # Test that the connection manager only opens a connection once.28        connection_manager = scheduler_lib.ConnectionManager()29        connection_manager.open_connection = mock.MagicMock()30        connection = connection_manager.get_connection()31        connection_manager.open_connection.assert_called_once_with()32        connection_manager.open_connection.reset_mock()33        connection = connection_manager.get_connection()34        self.assertTrue(35                connection_manager.open_connection.call_count == 0)36        connection_manager.open_connection.reset_mock()37        # Test that del on the connection manager closes the connection38        connection_manager.disconnect = mock.MagicMock()39        connection_manager.__del__()40        connection_manager.disconnect.assert_called_once_with()41    def testConnectionReconnect(self):42        """Test that retries don't destroy the connection."""43        database_connection._DjangoBackend.execute = mock.MagicMock()44        database_connection._DjangoBackend.execute.side_effect = (45                django_utils.DatabaseError('Database Error'))46        connection_manager = scheduler_lib.ConnectionManager()47        connection = connection_manager.get_connection()48        self.assertRaises(django_utils.DatabaseError,49                          connection.execute, *('', None, True))50        self.assertTrue(51                database_connection._DjangoBackend.execute.call_count == 2)52        database_connection._DjangoBackend.execute.reset_mock()53        self.assertTrue(connection_manager.db_connection ==54                        connection_manager.get_connection())55    def testConnectionManagerSingleton(self):56        """Test that the singleton works as expected."""57        # Confirm that instantiating the class applies global db settings.58        connection_manager = scheduler_lib.ConnectionManager()59        readonly_connection.set_globally_disabled.assert_called_once_with(True)60        setup_django_environment.enable_autocommit.assert_called_once_with()61        readonly_connection.set_globally_disabled.reset_mock()62        setup_django_environment.enable_autocommit.reset_mock()63        # Confirm that instantiating another connection manager doesn't change64        # the database settings, and in fact, returns the original manager.65        connection_manager_2 = scheduler_lib.ConnectionManager()66        self.assertTrue(connection_manager == connection_manager_2)67        self.assertTrue(68                readonly_connection.set_globally_disabled.call_count == 0)69        self.assertTrue(70                setup_django_environment.enable_autocommit.call_count == 0)71        # Confirm that we don't open the connection when the class is72        # instantiated.73        self.assertTrue(connection_manager.db_connection is None)74if __name__ == '__main__':...

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