mirror of https://github.com/ansible/ansible.git
Add unit tests for playbook/helpers.py (#18709)
Adrian Likins
8 years ago
committed by
GitHub
parent
1653a77f1d
commit
3efef40822
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# (c) 2016, Adrian Likins <alikins@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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__metaclass__ = type
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import os
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from ansible.compat.tests import unittest
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from ansible.compat.tests.mock import MagicMock
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from units.mock.loader import DictDataLoader
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from ansible import errors
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from ansible.playbook.block import Block
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from ansible.playbook.handler import Handler
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from ansible.playbook.task import Task
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from ansible.playbook.task_include import TaskInclude
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from ansible.playbook.role.include import RoleInclude
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from ansible.playbook import helpers
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class MixinForMocks(object):
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def _setup(self):
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# This is not a very good mixin, lots of side effects
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self.fake_loader = DictDataLoader({'include_test.yml': "",
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'other_include_test.yml': ""})
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self.mock_tqm = MagicMock(name='MockTaskQueueManager')
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self.mock_play = MagicMock(name='MockPlay')
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self.mock_iterator = MagicMock(name='MockIterator')
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self.mock_iterator._play = self.mock_play
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self.mock_inventory = MagicMock(name='MockInventory')
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self.mock_inventory._hosts_cache = dict()
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def _get_host(host_name):
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return None
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self.mock_inventory.get_host.side_effect = _get_host
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# TODO: can we use a real VariableManager?
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self.mock_variable_manager = MagicMock(name='MockVariableManager')
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self.mock_variable_manager.get_vars.return_value = dict()
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self.mock_block = MagicMock(name='MockBlock')
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self.fake_role_loader = DictDataLoader({"/etc/ansible/roles/bogus_role/tasks/main.yml": """
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- shell: echo 'hello world'
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"""})
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self._test_data_path = os.path.dirname(__file__)
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self.fake_include_loader = DictDataLoader({"/dev/null/includes/test_include.yml": """
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- include: other_test_include.yml
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- shell: echo 'hello world'
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""",
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"/dev/null/includes/static_test_include.yml": """
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- include: other_test_include.yml
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- shell: echo 'hello static world'
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""",
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"/dev/null/includes/other_test_include.yml": """
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- debug:
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msg: other_test_include_debug
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"""})
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class TestLoadListOfTasks(unittest.TestCase, MixinForMocks):
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def setUp(self):
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self._setup()
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def _assert_is_task_list(self, results):
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for result in results:
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self.assertIsInstance(result, Task)
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def _assert_is_task_list_or_blocks(self, results):
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self.assertIsInstance(results, list)
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for result in results:
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self.assertIsInstance(result, (Task, Block))
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def test_ds_not_list(self):
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ds = {}
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self.assertRaises(AssertionError, helpers.load_list_of_tasks,
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ds, self.mock_play, block=None, role=None, task_include=None, use_handlers=False, variable_manager=None, loader=None)
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def test_empty_task(self):
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ds = [{}]
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self.assertRaisesRegexp(errors.AnsibleParserError,
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"no action detected in task. This often indicates a misspelled module name, or incorrect module path",
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helpers.load_list_of_tasks,
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ds, play=self.mock_play,
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variable_manager=self.mock_variable_manager, loader=self.fake_loader)
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def test_empty_task_use_handlers(self):
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ds = [{}]
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self.assertRaisesRegexp(errors.AnsibleParserError,
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"no action detected in task. This often indicates a misspelled module name, or incorrect module path",
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helpers.load_list_of_tasks,
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ds,
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use_handlers=True,
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play=self.mock_play,
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variable_manager=self.mock_variable_manager,
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loader=self.fake_loader)
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def test_one_bogus_block(self):
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ds = [{'block': None}]
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self.assertRaisesRegexp(errors.AnsibleParserError,
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"A malformed block was encountered",
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helpers.load_list_of_tasks,
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ds, play=self.mock_play,
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variable_manager=self.mock_variable_manager, loader=self.fake_loader)
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def test_unknown_action(self):
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action_name = 'foo_test_unknown_action'
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ds = [{'action': action_name}]
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res = helpers.load_list_of_tasks(ds, play=self.mock_play,
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variable_manager=self.mock_variable_manager, loader=self.fake_loader)
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self._assert_is_task_list_or_blocks(res)
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self.assertEquals(res[0].action, action_name)
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def test_block_unknown_action(self):
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action_name = 'foo_test_block_unknown_action'
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ds = [{
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'block': [{'action': action_name}]
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}]
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res = helpers.load_list_of_tasks(ds, play=self.mock_play,
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variable_manager=self.mock_variable_manager, loader=self.fake_loader)
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self._assert_is_task_list_or_blocks(res)
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self.assertIsInstance(res[0], Block)
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self._assert_default_block(res[0])
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def _assert_default_block(self, block):
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# the expected defaults
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self.assertIsInstance(block.block, list)
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self.assertEquals(len(block.block), 1)
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self.assertIsInstance(block.rescue, list)
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self.assertEquals(len(block.rescue), 0)
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self.assertIsInstance(block.always, list)
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self.assertEquals(len(block.always), 0)
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def test_block_unknown_action_use_handlers(self):
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ds = [{
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'block': [{'action': 'foo_test_block_unknown_action'}]
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}]
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res = helpers.load_list_of_tasks(ds, play=self.mock_play, use_handlers=True,
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variable_manager=self.mock_variable_manager, loader=self.fake_loader)
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self._assert_is_task_list_or_blocks(res)
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self.assertIsInstance(res[0], Block)
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self._assert_default_block(res[0])
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def test_one_bogus_block_use_handlers(self):
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ds = [{'block': True}]
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self.assertRaisesRegexp(errors.AnsibleParserError,
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"A malformed block was encountered",
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helpers.load_list_of_tasks,
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ds, play=self.mock_play, use_handlers=True,
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variable_manager=self.mock_variable_manager, loader=self.fake_loader)
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def test_one_bogus_include(self):
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ds = [{'include': 'somefile.yml'}]
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res = helpers.load_list_of_tasks(ds, play=self.mock_play,
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variable_manager=self.mock_variable_manager, loader=self.fake_loader)
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self.assertIsInstance(res, list)
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self.assertEquals(len(res), 0)
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def test_one_bogus_include_use_handlers(self):
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ds = [{'include': 'somefile.yml'}]
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res = helpers.load_list_of_tasks(ds, play=self.mock_play, use_handlers=True,
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variable_manager=self.mock_variable_manager, loader=self.fake_loader)
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self.assertIsInstance(res, list)
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self.assertEquals(len(res), 0)
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def test_one_bogus_include_static(self):
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ds = [{'include': 'somefile.yml',
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'static': 'true'}]
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res = helpers.load_list_of_tasks(ds, play=self.mock_play,
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variable_manager=self.mock_variable_manager, loader=self.fake_loader)
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self.assertIsInstance(res, list)
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self.assertEquals(len(res), 0)
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def test_one_include(self):
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ds = [{'include': '/dev/null/includes/other_test_include.yml'}]
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res = helpers.load_list_of_tasks(ds, play=self.mock_play,
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variable_manager=self.mock_variable_manager, loader=self.fake_include_loader)
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self.assertEquals(len(res), 1)
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self._assert_is_task_list_or_blocks(res)
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def test_one_parent_include(self):
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ds = [{'include': '/dev/null/includes/test_include.yml'}]
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res = helpers.load_list_of_tasks(ds, play=self.mock_play,
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variable_manager=self.mock_variable_manager, loader=self.fake_include_loader)
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self._assert_is_task_list_or_blocks(res)
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self.assertIsInstance(res[0], Block)
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self.assertIsInstance(res[0]._parent, TaskInclude)
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# TODO/FIXME: do this non deprecated way
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def test_one_include_tags(self):
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ds = [{'include': '/dev/null/includes/other_test_include.yml',
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'tags': ['test_one_include_tags_tag1', 'and_another_tagB']
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}]
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res = helpers.load_list_of_tasks(ds, play=self.mock_play,
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variable_manager=self.mock_variable_manager, loader=self.fake_include_loader)
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self._assert_is_task_list_or_blocks(res)
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self.assertIsInstance(res[0], Block)
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self.assertIn('test_one_include_tags_tag1', res[0].tags)
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self.assertIn('and_another_tagB', res[0].tags)
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# TODO/FIXME: do this non deprecated way
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def test_one_parent_include_tags(self):
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ds = [{'include': '/dev/null/includes/test_include.yml',
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#'vars': {'tags': ['test_one_parent_include_tags_tag1', 'and_another_tag2']}
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'tags': ['test_one_parent_include_tags_tag1', 'and_another_tag2']
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}
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]
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res = helpers.load_list_of_tasks(ds, play=self.mock_play,
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variable_manager=self.mock_variable_manager, loader=self.fake_include_loader)
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self._assert_is_task_list_or_blocks(res)
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self.assertIsInstance(res[0], Block)
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self.assertIn('test_one_parent_include_tags_tag1', res[0].tags)
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self.assertIn('and_another_tag2', res[0].tags)
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# It would be useful to be able to tell what kind of deprecation we encountered and where we encountered it.
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def test_one_include_tags_deprecated_mixed(self):
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ds = [{'include': "/dev/null/includes/other_test_include.yml",
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'vars': {'tags': "['tag_on_include1', 'tag_on_include2']"},
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'tags': 'mixed_tag1, mixed_tag2'
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}]
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self.assertRaisesRegexp(errors.AnsibleParserError, 'Mixing styles',
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helpers.load_list_of_tasks,
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ds, play=self.mock_play,
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variable_manager=self.mock_variable_manager, loader=self.fake_include_loader)
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def test_one_include_tags_deprecated_include(self):
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ds = [{'include': '/dev/null/includes/other_test_include.yml',
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'vars': {'tags': ['include_tag1_deprecated', 'and_another_tagB_deprecated']}
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}]
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res = helpers.load_list_of_tasks(ds, play=self.mock_play,
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variable_manager=self.mock_variable_manager, loader=self.fake_include_loader)
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self._assert_is_task_list_or_blocks(res)
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self.assertIsInstance(res[0], Block)
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self.assertIn('include_tag1_deprecated', res[0].tags)
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self.assertIn('and_another_tagB_deprecated', res[0].tags)
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def test_one_include_use_handlers(self):
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ds = [{'include': '/dev/null/includes/other_test_include.yml'}]
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res = helpers.load_list_of_tasks(ds, play=self.mock_play,
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use_handlers=True,
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variable_manager=self.mock_variable_manager, loader=self.fake_include_loader)
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self._assert_is_task_list_or_blocks(res)
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self.assertIsInstance(res[0], Handler)
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def test_one_parent_include_use_handlers(self):
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ds = [{'include': '/dev/null/includes/test_include.yml'}]
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res = helpers.load_list_of_tasks(ds, play=self.mock_play,
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use_handlers=True,
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variable_manager=self.mock_variable_manager, loader=self.fake_include_loader)
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self._assert_is_task_list_or_blocks(res)
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self.assertIsInstance(res[0], Handler)
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# default for Handler
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self.assertEquals(res[0].listen, None)
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# TODO/FIXME: this doesn't seen right
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# figure out how to get the non-static errors to be raised, this seems to just ignore everything
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def test_one_include_not_static(self):
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ds = [{
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'include': '/dev/null/includes/static_test_include.yml',
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'static': False
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}]
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#a_block = Block()
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ti_ds = {'include': '/dev/null/includes/ssdftatic_test_include.yml'}
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a_task_include = TaskInclude()
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ti = a_task_include.load(ti_ds)
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res = helpers.load_list_of_tasks(ds, play=self.mock_play,
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block=ti,
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variable_manager=self.mock_variable_manager, loader=self.fake_include_loader)
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self._assert_is_task_list_or_blocks(res)
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self.assertIsInstance(res[0], Task)
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self.assertEquals(res[0].args['_raw_params'], '/dev/null/includes/static_test_include.yml')
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# TODO/FIXME: This two get stuck trying to make a mock_block into a TaskInclude
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# def test_one_include(self):
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# ds = [{'include': 'other_test_include.yml'}]
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# res = helpers.load_list_of_tasks(ds, play=self.mock_play,
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# block=self.mock_block,
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# variable_manager=self.mock_variable_manager, loader=self.fake_include_loader)
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# print(res)
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# def test_one_parent_include(self):
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# ds = [{'include': 'test_include.yml'}]
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# res = helpers.load_list_of_tasks(ds, play=self.mock_play,
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# block=self.mock_block,
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# variable_manager=self.mock_variable_manager, loader=self.fake_include_loader)
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# print(res)
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def test_one_bogus_include_role(self):
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ds = [{'include_role': {'name': 'bogus_role'}}]
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res = helpers.load_list_of_tasks(ds, play=self.mock_play,
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block=self.mock_block,
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variable_manager=self.mock_variable_manager, loader=self.fake_role_loader)
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self.assertEquals(len(res), 1)
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self._assert_is_task_list_or_blocks(res)
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def test_one_bogus_include_role_use_handlers(self):
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ds = [{'include_role': {'name': 'bogus_role'}}]
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res = helpers.load_list_of_tasks(ds, play=self.mock_play, use_handlers=True,
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block=self.mock_block,
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variable_manager=self.mock_variable_manager,
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loader=self.fake_role_loader)
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self.assertEquals(len(res), 1)
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self._assert_is_task_list_or_blocks(res)
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class TestLoadListOfRoles(unittest.TestCase, MixinForMocks):
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def setUp(self):
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self._setup()
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def test_ds_not_list(self):
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ds = {}
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self.assertRaises(AssertionError, helpers.load_list_of_roles,
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ds, self.mock_play)
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def test_empty_role(self):
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ds = [{}]
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self.assertRaisesRegexp(errors.AnsibleError,
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"role definitions must contain a role name",
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helpers.load_list_of_roles,
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ds, self.mock_play,
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variable_manager=self.mock_variable_manager, loader=self.fake_role_loader)
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def test_empty_role_just_name(self):
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ds = [{'name': 'bogus_role'}]
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res = helpers.load_list_of_roles(ds, self.mock_play,
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variable_manager=self.mock_variable_manager, loader=self.fake_role_loader)
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self.assertIsInstance(res, list)
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for r in res:
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self.assertIsInstance(r, RoleInclude)
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def test_block_unknown_action(self):
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ds = [{
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'block': [{'action': 'foo_test_block_unknown_action'}]
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}]
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ds = [{'name': 'bogus_role'}]
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res = helpers.load_list_of_roles(ds, self.mock_play,
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variable_manager=self.mock_variable_manager, loader=self.fake_role_loader)
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self.assertIsInstance(res, list)
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for r in res:
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self.assertIsInstance(r, RoleInclude)
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class TestLoadListOfBlocks(unittest.TestCase, MixinForMocks):
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def setUp(self):
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self._setup()
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def test_ds_not_list(self):
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ds = {}
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mock_play = MagicMock(name='MockPlay')
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self.assertRaises(AssertionError, helpers.load_list_of_blocks,
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ds, mock_play, parent_block=None, role=None, task_include=None, use_handlers=False, variable_manager=None, loader=None)
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def test_empty_block(self):
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ds = [{}]
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mock_play = MagicMock(name='MockPlay')
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self.assertRaisesRegexp(errors.AnsibleParserError,
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"no action detected in task. This often indicates a misspelled module name, or incorrect module path",
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helpers.load_list_of_blocks,
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ds, mock_play,
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parent_block=None,
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role=None,
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task_include=None,
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use_handlers=False,
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variable_manager=None,
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loader=None)
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def test_block_unknown_action(self):
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ds = [{'action': 'foo'}]
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mock_play = MagicMock(name='MockPlay')
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res = helpers.load_list_of_blocks(ds, mock_play, parent_block=None, role=None, task_include=None, use_handlers=False, variable_manager=None, loader=None)
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self.assertIsInstance(res, list)
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for block in res:
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self.assertIsInstance(block, Block)
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