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ansible/test/units/module_utils/_internal/test_deprecator.py

74 lines
3.2 KiB
Python

from __future__ import annotations
import importlib.abc
import importlib.util
import ansible
import pathlib
import pytest
from ansible.module_utils._internal import _messages
from ansible.module_utils._internal import _deprecator
class FakePathLoader(importlib.abc.SourceLoader):
"""A test loader that can fake out the code/frame paths to simulate callers of various types without relying on actual files on disk."""
def get_filename(self, fullname):
if fullname.startswith('ansible.'):
basepath = pathlib.Path(ansible.__file__).parent.parent
else:
basepath = '/x/y'
return f'{basepath}/{fullname.replace(".", "/")}'
def get_data(self, path):
return b'''
from ansible.module_utils._internal import _deprecator
def do_stuff():
return _deprecator.get_caller_plugin_info()
'''
def exec_module(self, module):
return super().exec_module(module)
@pytest.mark.parametrize("python_fq_name,expected_resolved_name,expected_plugin_type", (
# legacy module callers
('ansible.legacy.blah', 'ansible.legacy.blah', 'module'),
# core callers
('ansible.modules.ping', 'ansible.builtin.ping', 'module'),
('ansible.plugins.filters.core', _deprecator.ANSIBLE_CORE_DEPRECATOR.resolved_name, _deprecator.ANSIBLE_CORE_DEPRECATOR.type),
('ansible.plugins.tests.core', _deprecator.ANSIBLE_CORE_DEPRECATOR.resolved_name, _deprecator.ANSIBLE_CORE_DEPRECATOR.type),
('ansible.nonplugin_something', _deprecator.ANSIBLE_CORE_DEPRECATOR.resolved_name, _deprecator.ANSIBLE_CORE_DEPRECATOR.type),
# collections plugin callers
('ansible_collections.foo.bar.plugins.modules.module_thing', 'foo.bar.module_thing', 'module'),
('ansible_collections.foo.bar.plugins.filter.somefilter', 'foo.bar', _deprecator._COLLECTION_ONLY_TYPE),
('ansible_collections.foo.bar.plugins.test.sometest', 'foo.bar', _deprecator._COLLECTION_ONLY_TYPE),
# indeterminate callers (e.g. collection module_utils- must specify since they might be calling on behalf of another
('ansible_collections.foo.bar.plugins.module_utils.something',
_deprecator.INDETERMINATE_DEPRECATOR.resolved_name, _deprecator.INDETERMINATE_DEPRECATOR.type),
# other callers
('something.else', None, None),
('ansible_collections.foo.bar.nonplugin_something', None, None),
))
def test_get_caller_plugin_info(python_fq_name: str, expected_resolved_name: str, expected_plugin_type: str):
"""Validates the expected `PluginInfo` values received from various types of core/non-core/collection callers."""
# invoke a standalone fake loader that generates a Python module with the specified FQ python name (converted to a corresponding __file__ entry) that
# pretends as if it called `get_caller_plugin_info()` and returns its result
loader = FakePathLoader()
spec = importlib.util.spec_from_loader(name=python_fq_name, loader=loader)
mod = importlib.util.module_from_spec(spec)
loader.exec_module(mod)
pi: _messages.PluginInfo = mod.do_stuff()
if not expected_resolved_name and not expected_plugin_type:
assert pi is None
return
assert pi is not None
assert pi.resolved_name == expected_resolved_name
assert pi.type == expected_plugin_type