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# (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/>.
from __future__ import annotations
import os
import unittest
from unittest.mock import patch, MagicMock
from ansible.plugins.loader import PluginLoader, PluginPathContext
class TestErrors(unittest.TestCase):
@patch.object(PluginLoader, '_get_paths')
def test_print_paths(self, mock_method):
mock_method.return_value = ['/path/one', '/path/two', '/path/three']
pl = PluginLoader('foo', 'foo', '', 'test_plugins')
paths = pl.print_paths()
expected_paths = os.pathsep.join(['/path/one', '/path/two', '/path/three'])
self.assertEqual(paths, expected_paths)
def test_plugins__get_package_paths_no_package(self):
pl = PluginLoader('test', '', 'test', 'test_plugin')
self.assertEqual(pl._get_package_paths(), [])
def test_plugins__get_package_paths_with_package(self):
# the _get_package_paths() call uses __import__ to load a
# python library, and then uses the __file__ attribute of
# the result for that to get the library path, so we mock
# that here and patch the builtin to use our mocked result
foo_pkg = MagicMock()
bar_pkg = MagicMock()
bam = MagicMock()
bam.__file__ = '/path/to/my/foo/bar/bam/__init__.py'
bar_pkg.bam = bam
foo_pkg.return_value.bar = bar_pkg
pl = PluginLoader('test', 'foo.bar.bam', 'test', 'test_plugin')
with patch('builtins.__import__', foo_pkg):
self.assertEqual(pl._get_package_paths(), ['/path/to/my/foo/bar/bam'])
def test_plugins__get_paths(self):
pl = PluginLoader('test', '', 'test', 'test_plugin')
pl._paths = [PluginPathContext('/path/one', False),
PluginPathContext('/path/two', True)]
self.assertEqual(pl._get_paths(), ['/path/one', '/path/two'])
# NOT YET WORKING
# def fake_glob(path):
# if path == 'test/*':
# return ['test/foo', 'test/bar', 'test/bam']
# elif path == 'test/*/*'
# m._paths = None
# mock_glob = MagicMock()
# mock_glob.return_value = []
# with patch('glob.glob', mock_glob):
# pass
def assertPluginLoaderConfigBecomes(self, arg, expected):
pl = PluginLoader('test', '', arg, 'test_plugin')
self.assertEqual(pl.config, expected)
def test_plugin__init_config_list(self):
config = ['/one', '/two']
self.assertPluginLoaderConfigBecomes(config, config)
def test_plugin__init_config_str(self):
self.assertPluginLoaderConfigBecomes('test', ['test'])
def test_plugin__init_config_none(self):
self.assertPluginLoaderConfigBecomes(None, [])
def test__load_module_source_no_duplicate_names(self):
"""
This test simulates importing 2 plugins with the same name,
and validating that the import is short circuited if a file with the same name
has already been imported
"""
fixture_path = os.path.join(os.path.dirname(__file__), 'loader_fixtures')
pl = PluginLoader('test', '', 'test', 'test_plugin')
one = pl._load_module_source(python_module_name='import_fixture', path=os.path.join(fixture_path, 'import_fixture.py'))
# This line wouldn't even succeed if we didn't short circuit on finding a duplicate name
two = pl._load_module_source(python_module_name='import_fixture', path='/path/to/import_fixture.py')
self.assertEqual(one, two)
@patch('ansible.plugins.loader.glob')
@patch.object(PluginLoader, '_get_paths_with_context')
def test_all_no_duplicate_names(self, gp_mock, glob_mock):
"""
This test goes along with ``test__load_module_source_no_duplicate_names``
and ensures that we ignore duplicate imports on multiple paths
"""
fixture_path = os.path.join(os.path.dirname(__file__), 'loader_fixtures')
gp_mock.return_value = [
MagicMock(path=fixture_path),
MagicMock(path='/path/to'),
]
glob_mock.glob.side_effect = [
[os.path.join(fixture_path, 'import_fixture.py')],
['/path/to/import_fixture.py']
]
pl = PluginLoader('test', '', 'test', 'test_plugins')
# Aside from needing ``list()`` so we can do a len, ``PluginLoader.all`` returns a generator
# so ``list()`` actually causes ``PluginLoader.all`` to run.
plugins = list(pl.all())
self.assertEqual(len(plugins), 1)
self.assertIn(os.path.join(fixture_path, 'import_fixture.py'), pl._module_cache)
self.assertNotIn('/path/to/import_fixture.py', pl._module_cache)
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