python-openstackclient/openstackclient/tests/common/test_commandmanager.py
Dean Troyer d32185cb34 Add 'command list' command
* Add method to CommandManager to retrieve command names by group
* Add ListCommands

To list command groups loaded by cliff

Change-Id: I37fe2471aa2fafa8aa223159452d52b1981021d6
2014-10-08 21:57:26 -05:00

106 lines
3.4 KiB
Python

# Copyright 2012-2013 OpenStack Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
import mock
from openstackclient.common import commandmanager
from openstackclient.tests import utils
class FakeCommand(object):
@classmethod
def load(cls):
return cls
def __init__(self):
return
FAKE_CMD_ONE = FakeCommand
FAKE_CMD_TWO = FakeCommand
FAKE_CMD_ALPHA = FakeCommand
FAKE_CMD_BETA = FakeCommand
class FakeCommandManager(commandmanager.CommandManager):
commands = {}
def load_commands(self, namespace):
if namespace == 'test':
self.commands['one'] = FAKE_CMD_ONE
self.commands['two'] = FAKE_CMD_TWO
self.group_list.append(namespace)
elif namespace == 'greek':
self.commands['alpha'] = FAKE_CMD_ALPHA
self.commands['beta'] = FAKE_CMD_BETA
self.group_list.append(namespace)
class TestCommandManager(utils.TestCase):
def test_add_command_group(self):
mgr = FakeCommandManager('test')
# Make sure add_command() still functions
mock_cmd_one = mock.Mock()
mgr.add_command('mock', mock_cmd_one)
cmd_mock, name, args = mgr.find_command(['mock'])
self.assertEqual(cmd_mock, mock_cmd_one)
# Find a command added in initialization
cmd_one, name, args = mgr.find_command(['one'])
self.assertEqual(cmd_one, FAKE_CMD_ONE)
# Load another command group
mgr.add_command_group('greek')
# Find a new command
cmd_alpha, name, args = mgr.find_command(['alpha'])
self.assertEqual(cmd_alpha, FAKE_CMD_ALPHA)
# Ensure that the original commands were not overwritten
cmd_two, name, args = mgr.find_command(['two'])
self.assertEqual(cmd_two, FAKE_CMD_TWO)
def test_get_command_groups(self):
mgr = FakeCommandManager('test')
# Make sure add_command() still functions
mock_cmd_one = mock.Mock()
mgr.add_command('mock', mock_cmd_one)
cmd_mock, name, args = mgr.find_command(['mock'])
self.assertEqual(cmd_mock, mock_cmd_one)
# Load another command group
mgr.add_command_group('greek')
gl = mgr.get_command_groups()
self.assertEqual(['test', 'greek'], gl)
def test_get_command_names(self):
mock_cmd_one = mock.Mock()
mock_cmd_one.name = 'one'
mock_cmd_two = mock.Mock()
mock_cmd_two.name = 'cmd two'
mock_pkg_resources = mock.Mock(
return_value=[mock_cmd_one, mock_cmd_two],
)
with mock.patch(
'pkg_resources.iter_entry_points',
mock_pkg_resources,
) as iter_entry_points:
mgr = commandmanager.CommandManager('test')
assert iter_entry_points.called_once_with('test')
cmds = mgr.get_command_names('test')
self.assertEqual(['one', 'cmd two'], cmds)