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Diffstat (limited to 'test/units/playbook/role/test_role.py')
| -rw-r--r-- | test/units/playbook/role/test_role.py | 423 |
1 files changed, 423 insertions, 0 deletions
diff --git a/test/units/playbook/role/test_role.py b/test/units/playbook/role/test_role.py new file mode 100644 index 0000000..5d47631 --- /dev/null +++ b/test/units/playbook/role/test_role.py @@ -0,0 +1,423 @@ +# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com> +# +# This file is part of Ansible +# +# Ansible is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# Ansible is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with Ansible. If not, see <http://www.gnu.org/licenses/>. + +# Make coding more python3-ish +from __future__ import (absolute_import, division, print_function) +__metaclass__ = type + +from collections.abc import Container + +from units.compat import unittest +from unittest.mock import patch, MagicMock + +from ansible.errors import AnsibleError, AnsibleParserError +from ansible.playbook.block import Block + +from units.mock.loader import DictDataLoader +from units.mock.path import mock_unfrackpath_noop + +from ansible.playbook.role import Role +from ansible.playbook.role.include import RoleInclude +from ansible.playbook.role import hash_params + + +class TestHashParams(unittest.TestCase): + def test(self): + params = {'foo': 'bar'} + res = hash_params(params) + self._assert_set(res) + self._assert_hashable(res) + + def _assert_hashable(self, res): + a_dict = {} + try: + a_dict[res] = res + except TypeError as e: + self.fail('%s is not hashable: %s' % (res, e)) + + def _assert_set(self, res): + self.assertIsInstance(res, frozenset) + + def test_dict_tuple(self): + params = {'foo': (1, 'bar',)} + res = hash_params(params) + self._assert_set(res) + + def test_tuple(self): + params = (1, None, 'foo') + res = hash_params(params) + self._assert_hashable(res) + + def test_tuple_dict(self): + params = ({'foo': 'bar'}, 37) + res = hash_params(params) + self._assert_hashable(res) + + def test_list(self): + params = ['foo', 'bar', 1, 37, None] + res = hash_params(params) + self._assert_set(res) + self._assert_hashable(res) + + def test_dict_with_list_value(self): + params = {'foo': [1, 4, 'bar']} + res = hash_params(params) + self._assert_set(res) + self._assert_hashable(res) + + def test_empty_set(self): + params = set([]) + res = hash_params(params) + self._assert_hashable(res) + self._assert_set(res) + + def test_generator(self): + def my_generator(): + for i in ['a', 1, None, {}]: + yield i + + params = my_generator() + res = hash_params(params) + self._assert_hashable(res) + + def test_container_but_not_iterable(self): + # This is a Container that is not iterable, which is unlikely but... + class MyContainer(Container): + def __init__(self, some_thing): + self.data = [] + self.data.append(some_thing) + + def __contains__(self, item): + return item in self.data + + def __hash__(self): + return hash(self.data) + + def __len__(self): + return len(self.data) + + def __call__(self): + return False + + foo = MyContainer('foo bar') + params = foo + + self.assertRaises(TypeError, hash_params, params) + + def test_param_dict_dupe_values(self): + params1 = {'foo': False} + params2 = {'bar': False} + + res1 = hash_params(params1) + res2 = hash_params(params2) + + hash1 = hash(res1) + hash2 = hash(res2) + self.assertNotEqual(res1, res2) + self.assertNotEqual(hash1, hash2) + + def test_param_dupe(self): + params1 = { + # 'from_files': {}, + 'tags': [], + u'testvalue': False, + u'testvalue2': True, + # 'when': [] + } + params2 = { + # 'from_files': {}, + 'tags': [], + u'testvalue': True, + u'testvalue2': False, + # 'when': [] + } + res1 = hash_params(params1) + res2 = hash_params(params2) + + self.assertNotEqual(hash(res1), hash(res2)) + self.assertNotEqual(res1, res2) + + foo = {} + foo[res1] = 'params1' + foo[res2] = 'params2' + + self.assertEqual(len(foo), 2) + + del foo[res2] + self.assertEqual(len(foo), 1) + + for key in foo: + self.assertTrue(key in foo) + self.assertIn(key, foo) + + +class TestRole(unittest.TestCase): + + @patch('ansible.playbook.role.definition.unfrackpath', mock_unfrackpath_noop) + def test_load_role_with_tasks(self): + + fake_loader = DictDataLoader({ + "/etc/ansible/roles/foo_tasks/tasks/main.yml": """ + - shell: echo 'hello world' + """, + }) + + mock_play = MagicMock() + mock_play.ROLE_CACHE = {} + + i = RoleInclude.load('foo_tasks', play=mock_play, loader=fake_loader) + r = Role.load(i, play=mock_play) + + self.assertEqual(str(r), 'foo_tasks') + self.assertEqual(len(r._task_blocks), 1) + assert isinstance(r._task_blocks[0], Block) + + @patch('ansible.playbook.role.definition.unfrackpath', mock_unfrackpath_noop) + def test_load_role_with_tasks_dir_vs_file(self): + + fake_loader = DictDataLoader({ + "/etc/ansible/roles/foo_tasks/tasks/custom_main/foo.yml": """ + - command: bar + """, + "/etc/ansible/roles/foo_tasks/tasks/custom_main.yml": """ + - command: baz + """, + }) + + mock_play = MagicMock() + mock_play.ROLE_CACHE = {} + + i = RoleInclude.load('foo_tasks', play=mock_play, loader=fake_loader) + r = Role.load(i, play=mock_play, from_files=dict(tasks='custom_main')) + + self.assertEqual(r._task_blocks[0]._ds[0]['command'], 'baz') + + @patch('ansible.playbook.role.definition.unfrackpath', mock_unfrackpath_noop) + def test_load_role_with_handlers(self): + + fake_loader = DictDataLoader({ + "/etc/ansible/roles/foo_handlers/handlers/main.yml": """ + - name: test handler + shell: echo 'hello world' + """, + }) + + mock_play = MagicMock() + mock_play.ROLE_CACHE = {} + + i = RoleInclude.load('foo_handlers', play=mock_play, loader=fake_loader) + r = Role.load(i, play=mock_play) + + self.assertEqual(len(r._handler_blocks), 1) + assert isinstance(r._handler_blocks[0], Block) + + @patch('ansible.playbook.role.definition.unfrackpath', mock_unfrackpath_noop) + def test_load_role_with_vars(self): + + fake_loader = DictDataLoader({ + "/etc/ansible/roles/foo_vars/defaults/main.yml": """ + foo: bar + """, + "/etc/ansible/roles/foo_vars/vars/main.yml": """ + foo: bam + """, + }) + + mock_play = MagicMock() + mock_play.ROLE_CACHE = {} + + i = RoleInclude.load('foo_vars', play=mock_play, loader=fake_loader) + r = Role.load(i, play=mock_play) + + self.assertEqual(r._default_vars, dict(foo='bar')) + self.assertEqual(r._role_vars, dict(foo='bam')) + + @patch('ansible.playbook.role.definition.unfrackpath', mock_unfrackpath_noop) + def test_load_role_with_vars_dirs(self): + + fake_loader = DictDataLoader({ + "/etc/ansible/roles/foo_vars/defaults/main/foo.yml": """ + foo: bar + """, + "/etc/ansible/roles/foo_vars/vars/main/bar.yml": """ + foo: bam + """, + }) + + mock_play = MagicMock() + mock_play.ROLE_CACHE = {} + + i = RoleInclude.load('foo_vars', play=mock_play, loader=fake_loader) + r = Role.load(i, play=mock_play) + + self.assertEqual(r._default_vars, dict(foo='bar')) + self.assertEqual(r._role_vars, dict(foo='bam')) + + @patch('ansible.playbook.role.definition.unfrackpath', mock_unfrackpath_noop) + def test_load_role_with_vars_nested_dirs(self): + + fake_loader = DictDataLoader({ + "/etc/ansible/roles/foo_vars/defaults/main/foo/bar.yml": """ + foo: bar + """, + "/etc/ansible/roles/foo_vars/vars/main/bar/foo.yml": """ + foo: bam + """, + }) + + mock_play = MagicMock() + mock_play.ROLE_CACHE = {} + + i = RoleInclude.load('foo_vars', play=mock_play, loader=fake_loader) + r = Role.load(i, play=mock_play) + + self.assertEqual(r._default_vars, dict(foo='bar')) + self.assertEqual(r._role_vars, dict(foo='bam')) + + @patch('ansible.playbook.role.definition.unfrackpath', mock_unfrackpath_noop) + def test_load_role_with_vars_nested_dirs_combined(self): + + fake_loader = DictDataLoader({ + "/etc/ansible/roles/foo_vars/defaults/main/foo/bar.yml": """ + foo: bar + a: 1 + """, + "/etc/ansible/roles/foo_vars/defaults/main/bar/foo.yml": """ + foo: bam + b: 2 + """, + }) + + mock_play = MagicMock() + mock_play.ROLE_CACHE = {} + + i = RoleInclude.load('foo_vars', play=mock_play, loader=fake_loader) + r = Role.load(i, play=mock_play) + + self.assertEqual(r._default_vars, dict(foo='bar', a=1, b=2)) + + @patch('ansible.playbook.role.definition.unfrackpath', mock_unfrackpath_noop) + def test_load_role_with_vars_dir_vs_file(self): + + fake_loader = DictDataLoader({ + "/etc/ansible/roles/foo_vars/vars/main/foo.yml": """ + foo: bar + """, + "/etc/ansible/roles/foo_vars/vars/main.yml": """ + foo: bam + """, + }) + + mock_play = MagicMock() + mock_play.ROLE_CACHE = {} + + i = RoleInclude.load('foo_vars', play=mock_play, loader=fake_loader) + r = Role.load(i, play=mock_play) + + self.assertEqual(r._role_vars, dict(foo='bam')) + + @patch('ansible.playbook.role.definition.unfrackpath', mock_unfrackpath_noop) + def test_load_role_with_metadata(self): + + fake_loader = DictDataLoader({ + '/etc/ansible/roles/foo_metadata/meta/main.yml': """ + allow_duplicates: true + dependencies: + - bar_metadata + galaxy_info: + a: 1 + b: 2 + c: 3 + """, + '/etc/ansible/roles/bar_metadata/meta/main.yml': """ + dependencies: + - baz_metadata + """, + '/etc/ansible/roles/baz_metadata/meta/main.yml': """ + dependencies: + - bam_metadata + """, + '/etc/ansible/roles/bam_metadata/meta/main.yml': """ + dependencies: [] + """, + '/etc/ansible/roles/bad1_metadata/meta/main.yml': """ + 1 + """, + '/etc/ansible/roles/bad2_metadata/meta/main.yml': """ + foo: bar + """, + '/etc/ansible/roles/recursive1_metadata/meta/main.yml': """ + dependencies: ['recursive2_metadata'] + """, + '/etc/ansible/roles/recursive2_metadata/meta/main.yml': """ + dependencies: ['recursive1_metadata'] + """, + }) + + mock_play = MagicMock() + mock_play.collections = None + mock_play.ROLE_CACHE = {} + + i = RoleInclude.load('foo_metadata', play=mock_play, loader=fake_loader) + r = Role.load(i, play=mock_play) + + role_deps = r.get_direct_dependencies() + + self.assertEqual(len(role_deps), 1) + self.assertEqual(type(role_deps[0]), Role) + self.assertEqual(len(role_deps[0].get_parents()), 1) + self.assertEqual(role_deps[0].get_parents()[0], r) + self.assertEqual(r._metadata.allow_duplicates, True) + self.assertEqual(r._metadata.galaxy_info, dict(a=1, b=2, c=3)) + + all_deps = r.get_all_dependencies() + self.assertEqual(len(all_deps), 3) + self.assertEqual(all_deps[0].get_name(), 'bam_metadata') + self.assertEqual(all_deps[1].get_name(), 'baz_metadata') + self.assertEqual(all_deps[2].get_name(), 'bar_metadata') + + i = RoleInclude.load('bad1_metadata', play=mock_play, loader=fake_loader) + self.assertRaises(AnsibleParserError, Role.load, i, play=mock_play) + + i = RoleInclude.load('bad2_metadata', play=mock_play, loader=fake_loader) + self.assertRaises(AnsibleParserError, Role.load, i, play=mock_play) + + # TODO: re-enable this test once Ansible has proper role dep cycle detection + # that doesn't rely on stack overflows being recoverable (as they aren't in Py3.7+) + # see https://github.com/ansible/ansible/issues/61527 + # i = RoleInclude.load('recursive1_metadata', play=mock_play, loader=fake_loader) + # self.assertRaises(AnsibleError, Role.load, i, play=mock_play) + + @patch('ansible.playbook.role.definition.unfrackpath', mock_unfrackpath_noop) + def test_load_role_complex(self): + + # FIXME: add tests for the more complex uses of + # params and tags/when statements + + fake_loader = DictDataLoader({ + "/etc/ansible/roles/foo_complex/tasks/main.yml": """ + - shell: echo 'hello world' + """, + }) + + mock_play = MagicMock() + mock_play.ROLE_CACHE = {} + + i = RoleInclude.load(dict(role='foo_complex'), play=mock_play, loader=fake_loader) + r = Role.load(i, play=mock_play) + + self.assertEqual(r.get_name(), "foo_complex") |