125 lines
4.3 KiB
Python
125 lines
4.3 KiB
Python
# 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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"""Tests for Serial Console."""
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import socket
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import mock
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from nova.console import serial
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from nova import exception
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from nova import test
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class SerialTestCase(test.NoDBTestCase):
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def setUp(self):
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super(SerialTestCase, self).setUp()
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serial.ALLOCATED_PORTS = set()
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def test_get_port_range(self):
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start, stop = serial._get_port_range()
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self.assertEqual(10000, start)
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self.assertEqual(20000, stop)
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def test_get_port_range_customized(self):
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self.flags(port_range='30000:40000', group='serial_console')
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start, stop = serial._get_port_range()
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self.assertEqual(30000, start)
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self.assertEqual(40000, stop)
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def test_get_port_range_bad_range(self):
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self.flags(port_range='40000:30000', group='serial_console')
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start, stop = serial._get_port_range()
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self.assertEqual(10000, start)
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self.assertEqual(20000, stop)
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@mock.patch('socket.socket')
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def test_verify_port(self, fake_socket):
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s = mock.MagicMock()
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fake_socket.return_value = s
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serial._verify_port('127.0.0.1', 10)
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s.bind.assert_called_once_with(('127.0.0.1', 10))
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@mock.patch('socket.socket')
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def test_verify_port_in_use(self, fake_socket):
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s = mock.MagicMock()
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s.bind.side_effect = socket.error()
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fake_socket.return_value = s
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self.assertRaises(
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exception.SocketPortInUseException,
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serial._verify_port, '127.0.0.1', 10)
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s.bind.assert_called_once_with(('127.0.0.1', 10))
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@mock.patch('nova.console.serial._verify_port', lambda x, y: None)
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def test_acquire_port(self):
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start, stop = 15, 20
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self.flags(
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port_range='%d:%d' % (start, stop),
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group='serial_console')
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for port in range(start, stop):
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self.assertEqual(port, serial.acquire_port('127.0.0.1'))
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for port in range(start, stop):
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self.assertEqual(port, serial.acquire_port('127.0.0.2'))
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self.assertEqual(10, len(serial.ALLOCATED_PORTS))
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@mock.patch('nova.console.serial._verify_port')
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def test_acquire_port_in_use(self, fake_verify_port):
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def port_10000_already_used(host, port):
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if port == 10000 and host == '127.0.0.1':
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raise exception.SocketPortInUseException(
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port=port,
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host=host,
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error="already in use")
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fake_verify_port.side_effect = port_10000_already_used
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self.assertEqual(10001, serial.acquire_port('127.0.0.1'))
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self.assertEqual(10000, serial.acquire_port('127.0.0.2'))
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self.assertNotIn(('127.0.0.1', 10000), serial.ALLOCATED_PORTS)
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self.assertIn(('127.0.0.1', 10001), serial.ALLOCATED_PORTS)
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self.assertIn(('127.0.0.2', 10000), serial.ALLOCATED_PORTS)
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@mock.patch('nova.console.serial._verify_port')
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def test_acquire_port_not_ble_to_bind_at_any_port(self, fake_verify_port):
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start, stop = 15, 20
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self.flags(
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port_range='%d:%d' % (start, stop),
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group='serial_console')
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fake_verify_port.side_effect = (
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exception.SocketPortRangeExhaustedException(host='127.0.0.1'))
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self.assertRaises(
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exception.SocketPortRangeExhaustedException,
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serial.acquire_port, '127.0.0.1')
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def test_release_port(self):
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serial.ALLOCATED_PORTS.add(('127.0.0.1', 100))
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serial.ALLOCATED_PORTS.add(('127.0.0.2', 100))
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self.assertEqual(2, len(serial.ALLOCATED_PORTS))
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serial.release_port('127.0.0.1', 100)
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self.assertEqual(1, len(serial.ALLOCATED_PORTS))
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serial.release_port('127.0.0.2', 100)
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self.assertEqual(0, len(serial.ALLOCATED_PORTS))
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