# (c) 2012-2014, Michael DeHaan # # 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 . # 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 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")