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467 lines
16 KiB
Python
467 lines
16 KiB
Python
# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.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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__metaclass__ = type
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from ansible.compat.tests import unittest
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from ansible.compat.tests.mock import patch, MagicMock
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from ansible.errors import AnsibleError, AnsibleParserError
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from ansible.executor.task_executor import TaskExecutor
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from ansible.playbook.play_context import PlayContext
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from ansible.plugins import action_loader, lookup_loader
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from units.mock.loader import DictDataLoader
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class TestTaskExecutor(unittest.TestCase):
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def setUp(self):
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pass
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def tearDown(self):
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pass
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def test_task_executor_init(self):
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fake_loader = DictDataLoader({})
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mock_host = MagicMock()
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mock_task = MagicMock()
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mock_play_context = MagicMock()
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mock_shared_loader = MagicMock()
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new_stdin = None
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job_vars = dict()
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mock_queue = MagicMock()
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te = TaskExecutor(
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host = mock_host,
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task = mock_task,
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job_vars = job_vars,
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play_context = mock_play_context,
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new_stdin = new_stdin,
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loader = fake_loader,
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shared_loader_obj = mock_shared_loader,
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rslt_q = mock_queue,
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)
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def test_task_executor_run(self):
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fake_loader = DictDataLoader({})
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mock_host = MagicMock()
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mock_task = MagicMock()
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mock_task._role._role_path = '/path/to/role/foo'
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mock_play_context = MagicMock()
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mock_shared_loader = MagicMock()
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mock_queue = MagicMock()
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new_stdin = None
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job_vars = dict()
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te = TaskExecutor(
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host = mock_host,
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task = mock_task,
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job_vars = job_vars,
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play_context = mock_play_context,
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new_stdin = new_stdin,
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loader = fake_loader,
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shared_loader_obj = mock_shared_loader,
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rslt_q = mock_queue,
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)
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te._get_loop_items = MagicMock(return_value=None)
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te._execute = MagicMock(return_value=dict())
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res = te.run()
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te._get_loop_items = MagicMock(return_value=[])
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res = te.run()
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te._get_loop_items = MagicMock(return_value=['a','b','c'])
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te._run_loop = MagicMock(return_value=[dict(item='a', changed=True), dict(item='b', failed=True), dict(item='c')])
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res = te.run()
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te._get_loop_items = MagicMock(side_effect=AnsibleError(""))
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res = te.run()
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self.assertIn("failed", res)
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def test_task_executor_get_loop_items(self):
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fake_loader = DictDataLoader({})
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mock_host = MagicMock()
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mock_task = MagicMock()
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mock_task.loop = 'items'
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mock_task.loop_args = ['a', 'b', 'c']
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mock_play_context = MagicMock()
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mock_shared_loader = MagicMock()
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mock_shared_loader.lookup_loader = lookup_loader
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new_stdin = None
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job_vars = dict()
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mock_queue = MagicMock()
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te = TaskExecutor(
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host = mock_host,
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task = mock_task,
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job_vars = job_vars,
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play_context = mock_play_context,
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new_stdin = new_stdin,
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loader = fake_loader,
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shared_loader_obj = mock_shared_loader,
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rslt_q = mock_queue,
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)
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items = te._get_loop_items()
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self.assertEqual(items, ['a', 'b', 'c'])
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def test_task_executor_run_loop(self):
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items = ['a', 'b', 'c']
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fake_loader = DictDataLoader({})
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mock_host = MagicMock()
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def _copy():
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new_item = MagicMock()
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return new_item
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mock_task = MagicMock()
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mock_task.copy.side_effect = _copy
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mock_play_context = MagicMock()
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mock_shared_loader = MagicMock()
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mock_queue = MagicMock()
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new_stdin = None
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job_vars = dict()
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te = TaskExecutor(
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host = mock_host,
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task = mock_task,
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job_vars = job_vars,
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play_context = mock_play_context,
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new_stdin = new_stdin,
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loader = fake_loader,
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shared_loader_obj = mock_shared_loader,
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rslt_q = mock_queue,
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)
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def _execute(variables):
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return dict(item=variables.get('item'))
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te._squash_items = MagicMock(return_value=items)
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te._execute = MagicMock(side_effect=_execute)
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res = te._run_loop(items)
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self.assertEqual(len(res), 3)
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def test_task_executor_squash_items(self):
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items = ['a', 'b', 'c']
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fake_loader = DictDataLoader({})
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mock_host = MagicMock()
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loop_var = 'item'
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def _evaluate_conditional(templar, variables):
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item = variables.get(loop_var)
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if item == 'b':
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return False
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return True
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mock_task = MagicMock()
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mock_task.evaluate_conditional.side_effect = _evaluate_conditional
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mock_play_context = MagicMock()
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mock_shared_loader = None
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mock_queue = MagicMock()
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new_stdin = None
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job_vars = dict(pkg_mgr='yum')
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te = TaskExecutor(
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host = mock_host,
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task = mock_task,
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job_vars = job_vars,
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play_context = mock_play_context,
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new_stdin = new_stdin,
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loader = fake_loader,
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shared_loader_obj = mock_shared_loader,
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rslt_q = mock_queue,
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)
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#
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# No replacement
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#
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mock_task.action = 'yum'
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new_items = te._squash_items(items=items, loop_var='item', variables=job_vars)
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self.assertEqual(new_items, ['a', 'b', 'c'])
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mock_task.action = 'foo'
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mock_task.args={'name': '{{item}}'}
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new_items = te._squash_items(items=items, loop_var='item', variables=job_vars)
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self.assertEqual(new_items, ['a', 'b', 'c'])
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mock_task.action = 'yum'
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mock_task.args={'name': 'static'}
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new_items = te._squash_items(items=items, loop_var='item', variables=job_vars)
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self.assertEqual(new_items, ['a', 'b', 'c'])
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mock_task.action = 'yum'
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mock_task.args={'name': '{{pkg_mgr}}'}
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new_items = te._squash_items(items=items, loop_var='item', variables=job_vars)
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self.assertEqual(new_items, ['a', 'b', 'c'])
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mock_task.action = '{{unknown}}'
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mock_task.args={'name': '{{item}}'}
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new_items = te._squash_items(items=items, loop_var='item', variables=job_vars)
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self.assertEqual(new_items, ['a', 'b', 'c'])
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# Maybe should raise an error in this case. The user would have to specify:
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# - yum: name="{{ packages[item] }}"
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# with_items:
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# - ['a', 'b']
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# - ['foo', 'bar']
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# you can't use a list as a dict key so that would probably throw
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# an error later. If so, we can throw it now instead.
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# Squashing in this case would not be intuitive as the user is being
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# explicit in using each list entry as a key.
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job_vars = dict(pkg_mgr='yum', packages={ "a": "foo", "b": "bar", "foo": "baz", "bar": "quux" })
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items = [['a', 'b'], ['foo', 'bar']]
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mock_task.action = 'yum'
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mock_task.args = {'name': '{{ packages[item] }}'}
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new_items = te._squash_items(items=items, loop_var='item', variables=job_vars)
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self.assertEqual(new_items, items)
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#
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# Replaces
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#
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items = ['a', 'b', 'c']
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mock_task.action = 'yum'
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mock_task.args={'name': '{{item}}'}
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new_items = te._squash_items(items=items, loop_var='item', variables=job_vars)
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self.assertEqual(new_items, [['a','c']])
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mock_task.action = '{{pkg_mgr}}'
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mock_task.args={'name': '{{item}}'}
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new_items = te._squash_items(items=items, loop_var='item', variables=job_vars)
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self.assertEqual(new_items, [['a', 'c']])
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# New loop_var
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mock_task.action = 'yum'
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mock_task.args = {'name': '{{a_loop_var_item}}'}
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mock_task.loop_control = {'loop_var': 'a_loop_var_item'}
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loop_var = 'a_loop_var_item'
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new_items = te._squash_items(items=items, loop_var='a_loop_var_item', variables=job_vars)
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self.assertEqual(new_items, [['a', 'c']])
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loop_var = 'item'
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#
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# These are presently not optimized but could be in the future.
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# Expected output if they were optimized is given as a comment
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# Please move these to a different section if they are optimized
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#
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# Squashing lists
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job_vars = dict(pkg_mgr='yum')
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items = [['a', 'b'], ['foo', 'bar']]
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mock_task.action = 'yum'
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mock_task.args = {'name': '{{ item }}'}
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new_items = te._squash_items(items=items, loop_var='item', variables=job_vars)
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#self.assertEqual(new_items, [['a', 'b', 'foo', 'bar']])
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self.assertEqual(new_items, items)
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# Retrieving from a dict
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items = ['a', 'b', 'foo']
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mock_task.action = 'yum'
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mock_task.args = {'name': '{{ packages[item] }}'}
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new_items = te._squash_items(items=items, loop_var='item', variables=job_vars)
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#self.assertEqual(new_items, [['foo', 'baz']])
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self.assertEqual(new_items, items)
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# Another way to retrieve from a dict
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job_vars = dict(pkg_mgr='yum')
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items = [{'package': 'foo'}, {'package': 'bar'}]
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mock_task.action = 'yum'
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mock_task.args = {'name': '{{ item["package"] }}'}
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new_items = te._squash_items(items=items, loop_var='item', variables=job_vars)
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#self.assertEqual(new_items, [['foo', 'bar']])
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self.assertEqual(new_items, items)
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items = [dict(name='a', state='present'),
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dict(name='b', state='present'),
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dict(name='c', state='present')]
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mock_task.action = 'yum'
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mock_task.args={'name': '{{item.name}}', 'state': '{{item.state}}'}
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new_items = te._squash_items(items=items, loop_var='item', variables=job_vars)
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self.assertEqual(new_items, items)
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#self.assertEqual(new_items, [dict(name=['a', 'b', 'c'], state='present')])
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items = [dict(name='a', state='present'),
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dict(name='b', state='present'),
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dict(name='c', state='absent')]
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mock_task.action = 'yum'
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mock_task.args={'name': '{{item.name}}', 'state': '{{item.state}}'}
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new_items = te._squash_items(items=items, loop_var='item', variables=job_vars)
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self.assertEqual(new_items, items)
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#self.assertEqual(new_items, [dict(name=['a', 'b'], state='present'),
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# dict(name='c', state='absent')])
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# Could do something like this to recover from bad deps in a package
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job_vars = dict(pkg_mgr='yum', packages=['a', 'b'])
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items = [ 'absent', 'latest' ]
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mock_task.action = 'yum'
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mock_task.args = {'name': '{{ packages }}', 'state': '{{ item }}'}
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new_items = te._squash_items(items=items, loop_var='item', variables=job_vars)
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self.assertEqual(new_items, items)
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def test_task_executor_execute(self):
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fake_loader = DictDataLoader({})
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mock_host = MagicMock()
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mock_task = MagicMock()
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mock_task.args = dict()
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mock_task.retries = 0
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mock_task.delay = -1
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mock_task.register = 'foo'
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mock_task.until = None
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mock_task.changed_when = None
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mock_task.failed_when = None
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mock_task.post_validate.return_value = None
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# mock_task.async cannot be left unset, because on Python 3 MagicMock()
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# > 0 raises a TypeError There are two reasons for using the value 1
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# here: on Python 2 comparing MagicMock() > 0 returns True, and the
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# other reason is that if I specify 0 here, the test fails. ;)
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mock_task.async = 1
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mock_play_context = MagicMock()
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mock_play_context.post_validate.return_value = None
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mock_play_context.update_vars.return_value = None
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mock_connection = MagicMock()
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mock_connection.set_host_overrides.return_value = None
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mock_connection._connect.return_value = None
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mock_action = MagicMock()
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mock_queue = MagicMock()
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shared_loader = None
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new_stdin = None
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job_vars = dict(omit="XXXXXXXXXXXXXXXXXXX")
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te = TaskExecutor(
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host = mock_host,
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task = mock_task,
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job_vars = job_vars,
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play_context = mock_play_context,
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new_stdin = new_stdin,
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loader = fake_loader,
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shared_loader_obj = shared_loader,
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rslt_q = mock_queue,
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)
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te._get_connection = MagicMock(return_value=mock_connection)
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te._get_action_handler = MagicMock(return_value=mock_action)
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mock_action.run.return_value = dict(ansible_facts=dict())
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res = te._execute()
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mock_task.changed_when = "1 == 1"
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res = te._execute()
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mock_task.changed_when = None
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mock_task.failed_when = "1 == 1"
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res = te._execute()
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mock_task.failed_when = None
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mock_task.evaluate_conditional.return_value = False
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res = te._execute()
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mock_task.evaluate_conditional.return_value = True
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mock_task.args = dict(_raw_params='foo.yml', a='foo', b='bar')
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mock_task.action = 'include'
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res = te._execute()
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def test_task_executor_poll_async_result(self):
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fake_loader = DictDataLoader({})
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mock_host = MagicMock()
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mock_task = MagicMock()
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mock_task.async = 3
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mock_task.poll = 1
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mock_play_context = MagicMock()
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mock_connection = MagicMock()
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mock_action = MagicMock()
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mock_queue = MagicMock()
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shared_loader = MagicMock()
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shared_loader.action_loader = action_loader
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new_stdin = None
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job_vars = dict(omit="XXXXXXXXXXXXXXXXXXX")
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te = TaskExecutor(
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host = mock_host,
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task = mock_task,
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job_vars = job_vars,
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play_context = mock_play_context,
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new_stdin = new_stdin,
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loader = fake_loader,
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shared_loader_obj = shared_loader,
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rslt_q = mock_queue,
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)
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te._connection = MagicMock()
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def _get(*args, **kwargs):
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mock_action = MagicMock()
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mock_action.run.return_value = dict(stdout='')
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return mock_action
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# testing with some bad values in the result passed to poll async,
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# and with a bad value returned from the mock action
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with patch.object(action_loader, 'get', _get):
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mock_templar = MagicMock()
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res = te._poll_async_result(result=dict(), templar=mock_templar)
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self.assertIn('failed', res)
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res = te._poll_async_result(result=dict(ansible_job_id=1), templar=mock_templar)
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self.assertIn('failed', res)
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def _get(*args, **kwargs):
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mock_action = MagicMock()
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mock_action.run.return_value = dict(finished=1)
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return mock_action
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# now testing with good values
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with patch.object(action_loader, 'get', _get):
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mock_templar = MagicMock()
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res = te._poll_async_result(result=dict(ansible_job_id=1), templar=mock_templar)
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self.assertEqual(res, dict(finished=1))
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