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248 lines
9.5 KiB
Python
248 lines
9.5 KiB
Python
# (c) 2016, Daniel Miranda <danielkza2@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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from __future__ import annotations
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import unittest
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from unittest.mock import patch
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from ansible.playbook import Play
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from ansible.playbook.role_include import IncludeRole
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from ansible.playbook.task import Task
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from ansible.vars.manager import VariableManager
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from units.mock.loader import DictDataLoader
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from units.mock.path import mock_unfrackpath_noop
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class TestIncludeRole(unittest.TestCase):
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def setUp(self):
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self.loader = DictDataLoader({
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'/etc/ansible/roles/l1/tasks/main.yml': """
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- shell: echo 'hello world from l1'
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- include_role: name=l2
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""",
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'/etc/ansible/roles/l1/tasks/alt.yml': """
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- shell: echo 'hello world from l1 alt'
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- include_role: name=l2 tasks_from=alt defaults_from=alt
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""",
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'/etc/ansible/roles/l1/defaults/main.yml': """
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test_variable: l1-main
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l1_variable: l1-main
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""",
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'/etc/ansible/roles/l1/defaults/alt.yml': """
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test_variable: l1-alt
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l1_variable: l1-alt
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""",
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'/etc/ansible/roles/l2/tasks/main.yml': """
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- shell: echo 'hello world from l2'
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- include_role: name=l3
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""",
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'/etc/ansible/roles/l2/tasks/alt.yml': """
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- shell: echo 'hello world from l2 alt'
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- include_role: name=l3 tasks_from=alt defaults_from=alt
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""",
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'/etc/ansible/roles/l2/defaults/main.yml': """
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test_variable: l2-main
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l2_variable: l2-main
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""",
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'/etc/ansible/roles/l2/defaults/alt.yml': """
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test_variable: l2-alt
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l2_variable: l2-alt
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""",
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'/etc/ansible/roles/l3/tasks/main.yml': """
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- shell: echo 'hello world from l3'
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""",
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'/etc/ansible/roles/l3/tasks/alt.yml': """
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- shell: echo 'hello world from l3 alt'
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""",
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'/etc/ansible/roles/l3/defaults/main.yml': """
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test_variable: l3-main
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l3_variable: l3-main
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""",
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'/etc/ansible/roles/l3/defaults/alt.yml': """
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test_variable: l3-alt
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l3_variable: l3-alt
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"""
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})
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self.var_manager = VariableManager(loader=self.loader)
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def tearDown(self):
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pass
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def flatten_tasks(self, tasks):
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for task in tasks:
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if isinstance(task, IncludeRole):
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blocks, handlers = task.get_block_list(loader=self.loader)
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for block in blocks:
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for t in self.flatten_tasks(block.block):
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yield t
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elif isinstance(task, Task):
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yield task
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else:
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for t in self.flatten_tasks(task.block):
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yield t
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def get_tasks_vars(self, play, tasks):
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for task in self.flatten_tasks(tasks):
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if task.implicit:
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# skip meta: role_complete
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continue
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role = task._role
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yield (role.get_name(),
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self.var_manager.get_vars(play=play, task=task))
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@patch('ansible.playbook.role.definition.unfrackpath',
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mock_unfrackpath_noop)
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def test_simple(self):
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"""Test one-level include with default tasks and variables"""
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play = Play.load(dict(
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name="test play",
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hosts=['foo'],
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gather_facts=False,
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tasks=[
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{'include_role': 'name=l3'}
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]
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), loader=self.loader, variable_manager=self.var_manager)
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tasks = play.compile()
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tested = False
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for role, task_vars in self.get_tasks_vars(play, tasks):
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tested = True
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self.assertEqual(task_vars.get('l3_variable'), 'l3-main')
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self.assertEqual(task_vars.get('test_variable'), 'l3-main')
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self.assertTrue(tested)
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@patch('ansible.playbook.role.definition.unfrackpath',
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mock_unfrackpath_noop)
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def test_simple_alt_files(self):
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"""Test one-level include with alternative tasks and variables"""
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play = Play.load(dict(
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name="test play",
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hosts=['foo'],
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gather_facts=False,
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tasks=[{'include_role': 'name=l3 tasks_from=alt defaults_from=alt'}]),
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loader=self.loader, variable_manager=self.var_manager)
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tasks = play.compile()
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tested = False
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for role, task_vars in self.get_tasks_vars(play, tasks):
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tested = True
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self.assertEqual(task_vars.get('l3_variable'), 'l3-alt')
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self.assertEqual(task_vars.get('test_variable'), 'l3-alt')
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self.assertTrue(tested)
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@patch('ansible.playbook.role.definition.unfrackpath',
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mock_unfrackpath_noop)
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def test_nested(self):
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"""
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Test nested includes with default tasks and variables.
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Variables from outer roles should be inherited, but overridden in inner
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roles.
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"""
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play = Play.load(dict(
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name="test play",
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hosts=['foo'],
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gather_facts=False,
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tasks=[
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{'include_role': 'name=l1'}
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]
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), loader=self.loader, variable_manager=self.var_manager)
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tasks = play.compile()
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expected_roles = ['l1', 'l2', 'l3']
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for role, task_vars in self.get_tasks_vars(play, tasks):
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expected_roles.remove(role)
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# Outer-most role must not have variables from inner roles yet
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if role == 'l1':
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self.assertEqual(task_vars.get('l1_variable'), 'l1-main')
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self.assertEqual(task_vars.get('l2_variable'), None)
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self.assertEqual(task_vars.get('l3_variable'), None)
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self.assertEqual(task_vars.get('test_variable'), 'l1-main')
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# Middle role must have variables from outer role, but not inner
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elif role == 'l2':
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self.assertEqual(task_vars.get('l1_variable'), 'l1-main')
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self.assertEqual(task_vars.get('l2_variable'), 'l2-main')
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self.assertEqual(task_vars.get('l3_variable'), None)
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self.assertEqual(task_vars.get('test_variable'), 'l2-main')
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# Inner role must have variables from both outer roles
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elif role == 'l3':
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self.assertEqual(task_vars.get('l1_variable'), 'l1-main')
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self.assertEqual(task_vars.get('l2_variable'), 'l2-main')
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self.assertEqual(task_vars.get('l3_variable'), 'l3-main')
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self.assertEqual(task_vars.get('test_variable'), 'l3-main')
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else:
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self.fail() # pragma: nocover
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self.assertFalse(expected_roles)
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@patch('ansible.playbook.role.definition.unfrackpath',
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mock_unfrackpath_noop)
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def test_nested_alt_files(self):
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"""
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Test nested includes with alternative tasks and variables.
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Variables from outer roles should be inherited, but overridden in inner
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roles.
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"""
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play = Play.load(dict(
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name="test play",
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hosts=['foo'],
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gather_facts=False,
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tasks=[
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{'include_role': 'name=l1 tasks_from=alt defaults_from=alt'}
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]
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), loader=self.loader, variable_manager=self.var_manager)
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tasks = play.compile()
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expected_roles = ['l1', 'l2', 'l3']
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for role, task_vars in self.get_tasks_vars(play, tasks):
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expected_roles.remove(role)
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# Outer-most role must not have variables from inner roles yet
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if role == 'l1':
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self.assertEqual(task_vars.get('l1_variable'), 'l1-alt')
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self.assertEqual(task_vars.get('l2_variable'), None)
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self.assertEqual(task_vars.get('l3_variable'), None)
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self.assertEqual(task_vars.get('test_variable'), 'l1-alt')
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# Middle role must have variables from outer role, but not inner
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elif role == 'l2':
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self.assertEqual(task_vars.get('l1_variable'), 'l1-alt')
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self.assertEqual(task_vars.get('l2_variable'), 'l2-alt')
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self.assertEqual(task_vars.get('l3_variable'), None)
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self.assertEqual(task_vars.get('test_variable'), 'l2-alt')
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# Inner role must have variables from both outer roles
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elif role == 'l3':
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self.assertEqual(task_vars.get('l1_variable'), 'l1-alt')
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self.assertEqual(task_vars.get('l2_variable'), 'l2-alt')
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self.assertEqual(task_vars.get('l3_variable'), 'l3-alt')
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self.assertEqual(task_vars.get('test_variable'), 'l3-alt')
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else:
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self.fail() # pragma: nocover
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self.assertFalse(expected_roles)
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