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7e92ff823e
The goal of breaking apart the base_parser() function is to get rid of a bunch of conditionals and parameters in the code and, instead, make code look like simple composition. When splitting, a choice had to be made as to whether this would operate by side effect (modifying a passed in parser) or side effect-free (returning a new parser everytime). Making a version that's side-effect-free appears to be fighting with the optparse API (it wants to work by creating a parser object, configuring the object, and then parsing the arguments with it) so instead, make it clear that our helper functions are modifying the passed in parser by (1) not returning the parser and (2) changing the function names to be more clear that it is operating by side-effect. Also move all of the generic optparse code, along with the argument context classes, into a new subdirectory.
122 lines
4.4 KiB
Python
122 lines
4.4 KiB
Python
# (c) 2016, Steve Kuznetsov <skuznets@redhat.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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# Make coding more python3-ish
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from __future__ import (absolute_import, division, print_function)
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from units.compat import unittest
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from units.compat.mock import MagicMock
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from ansible import context
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from ansible.arguments import context_objects as co
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from ansible.executor.task_queue_manager import TaskQueueManager
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from ansible.playbook import Playbook
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from ansible.plugins.callback import CallbackBase
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__metaclass__ = type
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class TestTaskQueueManagerCallbacks(unittest.TestCase):
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def setUp(self):
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inventory = MagicMock()
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variable_manager = MagicMock()
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loader = MagicMock()
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passwords = []
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# Reset the stored command line args
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co.GlobalCLIArgs._Singleton__instance = None
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self._tqm = TaskQueueManager(inventory, variable_manager, loader, passwords)
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self._playbook = Playbook(loader)
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# we use a MagicMock to register the result of the call we
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# expect to `v2_playbook_on_call`. We don't mock out the
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# method since we're testing code that uses `inspect` to
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# look at that method's argspec and we want to ensure this
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# test is easy to reason about.
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self._register = MagicMock()
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def tearDown(self):
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# Reset the stored command line args
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co.GlobalCLIArgs._Singleton__instance = None
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def test_task_queue_manager_callbacks_v2_playbook_on_start(self):
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"""
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Assert that no exceptions are raised when sending a Playbook
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start callback to a current callback module plugin.
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"""
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register = self._register
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class CallbackModule(CallbackBase):
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"""
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This is a callback module with the current
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method signature for `v2_playbook_on_start`.
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"""
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CALLBACK_VERSION = 2.0
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CALLBACK_TYPE = 'notification'
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CALLBACK_NAME = 'current_module'
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def v2_playbook_on_start(self, playbook):
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register(self, playbook)
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callback_module = CallbackModule()
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self._tqm._callback_plugins.append(callback_module)
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self._tqm.send_callback('v2_playbook_on_start', self._playbook)
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register.assert_called_once_with(callback_module, self._playbook)
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def test_task_queue_manager_callbacks_v2_playbook_on_start_wrapped(self):
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"""
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Assert that no exceptions are raised when sending a Playbook
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start callback to a wrapped current callback module plugin.
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"""
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register = self._register
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def wrap_callback(func):
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"""
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This wrapper changes the exposed argument
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names for a method from the original names
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to (*args, **kwargs). This is used in order
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to validate that wrappers which change par-
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ameter names do not break the TQM callback
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system.
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:param func: function to decorate
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:return: decorated function
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"""
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def wrapper(*args, **kwargs):
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return func(*args, **kwargs)
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return wrapper
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class WrappedCallbackModule(CallbackBase):
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"""
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This is a callback module with the current
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method signature for `v2_playbook_on_start`
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wrapped in order to change the signature.
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"""
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CALLBACK_VERSION = 2.0
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CALLBACK_TYPE = 'notification'
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CALLBACK_NAME = 'current_module'
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@wrap_callback
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def v2_playbook_on_start(self, playbook):
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register(self, playbook)
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callback_module = WrappedCallbackModule()
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self._tqm._callback_plugins.append(callback_module)
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self._tqm.send_callback('v2_playbook_on_start', self._playbook)
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register.assert_called_once_with(callback_module, self._playbook)
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