| #!/usr/bin/python2 |
| # |
| # Copyright 2015 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Tests for the drone task queue.""" |
| |
| import cPickle |
| import logging |
| import Queue |
| import unittest |
| |
| import common |
| from autotest_lib.client.common_lib import utils |
| from autotest_lib.client.common_lib.test_utils import mock |
| from autotest_lib.scheduler import drone_task_queue |
| from autotest_lib.scheduler import drones |
| from autotest_lib.server.hosts import ssh_host |
| |
| |
| class DroneTaskQueueTest(unittest.TestCase): |
| """Drone task queue tests.""" |
| |
| def create_remote_drone(self, hostname): |
| """Create and initialize a Remote Drone. |
| |
| @param hostname: The name of the host for the remote drone. |
| |
| @return: A remote drone instance. |
| """ |
| drones.drone_utility.create_host.expect_call(hostname).and_return( |
| self._mock_host) |
| self._mock_host.is_up.expect_call().and_return(True) |
| return drones._RemoteDrone(hostname, timestamp_remote_calls=False) |
| |
| |
| def setUp(self): |
| self.god = mock.mock_god() |
| self._mock_host = self.god.create_mock_class(ssh_host.SSHHost, |
| 'mock SSHHost') |
| self.god.stub_function(drones.drone_utility, 'create_host') |
| self.drone_utility_path = 'mock-drone-utility-path' |
| self.mock_return = {'results': ['mock results'], |
| 'warnings': []} |
| self.god.stub_with(drones._RemoteDrone, '_drone_utility_path', |
| self.drone_utility_path) |
| |
| |
| def tearDown(self): |
| self.god.unstub_all() |
| |
| |
| def test_execute(self): |
| """Test execute method.""" |
| |
| drone1 = self.create_remote_drone('fakehostname1') |
| drone2 = self.create_remote_drone('fakehostname2') |
| drone3 = self.create_remote_drone('fakehostname3') |
| |
| # Check task queue exception conditions. |
| task_queue = drone_task_queue.DroneTaskQueue() |
| task_queue.results[drone1] = None |
| self.assertRaises(drone_task_queue.DroneTaskQueueException, |
| task_queue.execute, []) |
| task_queue.results.clear() |
| |
| # Queue 2 calls against each drone, and confirm that the host's |
| # run method is called 3 times. Then compare results returned by |
| # the task queue against the mock results. |
| drones = [drone1, drone2, drone3] |
| for drone in drones: |
| drone.queue_call('foo') |
| drone.queue_call('bar') |
| mock_result = utils.CmdResult( |
| stdout=cPickle.dumps(self.mock_return)) |
| self._mock_host.run.expect_call( |
| 'python %s' % self.drone_utility_path, |
| stdin=cPickle.dumps(drone.get_calls()), stdout_tee=None, |
| connect_timeout=mock.is_instance_comparator(int) |
| ).and_return(mock_result) |
| task_queue.execute(drones, wait=False) |
| self.assertTrue(set(task_queue.results.keys()) == set(drones)) |
| results = task_queue.get_results() |
| self.assertTrue(len(task_queue.results) == 0) |
| for drone, result in results.iteritems(): |
| self.assertTrue(result == self.mock_return['results']) |
| |
| # Test execute and get_results |
| drone1.queue_call('foo') |
| mock_result = utils.CmdResult(stdout=cPickle.dumps(self.mock_return)) |
| self._mock_host.run.expect_call( |
| 'python %s' % self.drone_utility_path, |
| stdin=cPickle.dumps(drone1.get_calls()), stdout_tee=None, |
| connect_timeout=mock.is_instance_comparator(int)).and_return( |
| mock_result) |
| self.assertTrue(task_queue.execute(drones, wait=True)[drone1] == |
| self.mock_return['results']) |
| self.assertTrue(len(task_queue.results) == 0) |
| self.assertTrue(len(task_queue.get_results()) == 0) |
| self.god.check_playback() |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |
