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"""Tests for certbot._internal.plugins.disco."""
import functools
import string
import sys
from typing import List
import unittest
from unittest import mock
import pytest
from certbot import errors
from certbot import interfaces
from certbot._internal.plugins import null
from certbot._internal.plugins import standalone
from certbot._internal.plugins import webroot
if sys.version_info >= (3, 10): # pragma: no cover
import importlib.metadata as importlib_metadata
else:
import importlib_metadata
class _EntryPointLoadFail(importlib_metadata.EntryPoint):
def load(self):
raise RuntimeError("Loading failure")
EP_SA = importlib_metadata.EntryPoint(
name="sa",
value="certbot._internal.plugins.standalone:Authenticator",
group="certbot.plugins")
EP_WR = importlib_metadata.EntryPoint(
name="wr",
value="certbot._internal.plugins.webroot:Authenticator",
group="certbot.plugins")
EP_SA_LOADFAIL = _EntryPointLoadFail(
name="sa",
value="certbot._internal.plugins.standalone:Authenticator",
group="certbot.plugins")
class PluginEntryPointTest(unittest.TestCase):
"""Tests for certbot._internal.plugins.disco.PluginEntryPoint."""
def setUp(self):
self.ep1 = importlib_metadata.EntryPoint(
name="ep1",
value="p1.ep1:Authenticator",
group="certbot.plugins")
self.ep1prim = importlib_metadata.EntryPoint(
name="ep1",
value="p2.pe2:Authenticator",
group="certbot.plugins")
# nested
self.ep2 = importlib_metadata.EntryPoint(
name="ep2",
value="p2.foo.ep2:Authenticator",
group="certbot.plugins")
# project name != top-level package name
self.ep3 = importlib_metadata.EntryPoint(
name="ep3",
value="a.ep3:Authenticator",
group="certbot.plugins")
from certbot._internal.plugins.disco import PluginEntryPoint
self.plugin_ep = PluginEntryPoint(EP_SA)
def test_entry_point_to_plugin_name_not_prefixed(self):
from certbot._internal.plugins.disco import PluginEntryPoint
names = {
self.ep1: "ep1",
self.ep1prim: "ep1",
self.ep2: "ep2",
self.ep3: "ep3",
EP_SA: "sa",
}
for entry_point, name in names.items():
assert name == PluginEntryPoint.entry_point_to_plugin_name(entry_point)
def test_description(self):
assert "server locally" in self.plugin_ep.description
def test_description_with_name(self):
self.plugin_ep.plugin_cls = mock.MagicMock(description="Desc")
assert "Desc (sa)" == self.plugin_ep.description_with_name
def test_long_description(self):
self.plugin_ep.plugin_cls = mock.MagicMock(
long_description="Long desc")
assert "Long desc" == self.plugin_ep.long_description
def test_long_description_nonexistent(self):
self.plugin_ep.plugin_cls = mock.MagicMock(
description="Long desc not found", spec=["description"])
assert "Long desc not found" == self.plugin_ep.long_description
def test_ifaces(self):
assert self.plugin_ep.ifaces((interfaces.Authenticator,))
assert not self.plugin_ep.ifaces((interfaces.Installer,))
assert not self.plugin_ep.ifaces((
interfaces.Installer, interfaces.Authenticator))
def test__init__(self):
assert self.plugin_ep.initialized is False
assert self.plugin_ep.prepared is False
assert self.plugin_ep.misconfigured is False
assert self.plugin_ep.available is False
assert self.plugin_ep.problem is None
assert self.plugin_ep.entry_point is EP_SA
assert "sa" == self.plugin_ep.name
assert self.plugin_ep.plugin_cls is standalone.Authenticator
def test_init(self):
config = mock.MagicMock()
plugin = self.plugin_ep.init(config=config)
assert self.plugin_ep.initialized is True
assert plugin.config is config
# memoize!
assert self.plugin_ep.init() is plugin
assert plugin.config is config
# try to give different config
assert self.plugin_ep.init(123) is plugin
assert plugin.config is config
assert self.plugin_ep.prepared is False
assert self.plugin_ep.misconfigured is False
assert self.plugin_ep.available is False
def test_prepare(self):
config = mock.MagicMock()
self.plugin_ep.init(config=config)
self.plugin_ep.prepare()
assert self.plugin_ep.prepared
assert self.plugin_ep.misconfigured is False
# output doesn't matter that much, just test if it runs
str(self.plugin_ep)
def test_prepare_misconfigured(self):
plugin = mock.MagicMock()
plugin.prepare.side_effect = errors.MisconfigurationError
# pylint: disable=protected-access
self.plugin_ep._initialized = plugin
assert isinstance(self.plugin_ep.prepare(), errors.MisconfigurationError)
assert self.plugin_ep.prepared
assert self.plugin_ep.misconfigured
assert isinstance(self.plugin_ep.problem, errors.MisconfigurationError)
assert self.plugin_ep.available
def test_prepare_no_installation(self):
plugin = mock.MagicMock()
plugin.prepare.side_effect = errors.NoInstallationError
# pylint: disable=protected-access
self.plugin_ep._initialized = plugin
assert isinstance(self.plugin_ep.prepare(), errors.NoInstallationError)
assert self.plugin_ep.prepared is True
assert self.plugin_ep.misconfigured is False
assert self.plugin_ep.available is False
def test_prepare_generic_plugin_error(self):
plugin = mock.MagicMock()
plugin.prepare.side_effect = errors.PluginError
# pylint: disable=protected-access
self.plugin_ep._initialized = plugin
assert isinstance(self.plugin_ep.prepare(), errors.PluginError)
assert self.plugin_ep.prepared
assert self.plugin_ep.misconfigured is False
assert self.plugin_ep.available is False
def test_str(self):
output = str(self.plugin_ep)
assert "Authenticator" in output
assert "Installer" not in output
assert "Plugin" in output
def test_repr(self):
assert "PluginEntryPoint#sa" == repr(self.plugin_ep)
class PluginsRegistryTest(unittest.TestCase):
"""Tests for certbot._internal.plugins.disco.PluginsRegistry."""
@classmethod
def _create_new_registry(cls, plugins):
from certbot._internal.plugins.disco import PluginsRegistry
return PluginsRegistry(plugins)
def setUp(self):
self.plugin_ep = mock.MagicMock()
self.plugin_ep.name = "mock"
self.plugin_ep.__hash__.side_effect = TypeError
self.plugins = {self.plugin_ep.name: self.plugin_ep}
self.reg = self._create_new_registry(self.plugins)
self.ep1 = importlib_metadata.EntryPoint(
name="ep1",
value="p1.ep1",
group="certbot.plugins")
def test_find_all(self):
from certbot._internal.plugins.disco import PluginsRegistry
with mock.patch("certbot._internal.plugins.disco.importlib_metadata") as mock_meta:
mock_meta.entry_points.side_effect = [
[EP_SA], [EP_WR, self.ep1],
]
with mock.patch.object(importlib_metadata.EntryPoint, 'load') as mock_load:
mock_load.side_effect = [
standalone.Authenticator, webroot.Authenticator,
null.Installer, null.Installer]
plugins = PluginsRegistry.find_all()
assert plugins["sa"].plugin_cls is standalone.Authenticator
assert plugins["sa"].entry_point is EP_SA
assert plugins["wr"].plugin_cls is webroot.Authenticator
assert plugins["wr"].entry_point is EP_WR
assert plugins["ep1"].plugin_cls is null.Installer
assert plugins["ep1"].entry_point is self.ep1
assert "p1:ep1" not in plugins
def test_find_all_error_message(self):
from certbot._internal.plugins.disco import PluginsRegistry
with mock.patch("certbot._internal.plugins.disco.importlib_metadata") as mock_meta:
#EP_SA.load = None # This triggers a TypeError when the entrypoint loads
mock_meta.entry_points.side_effect = [
[EP_SA_LOADFAIL], [EP_WR, self.ep1],
]
with self.assertRaises(errors.PluginError) as cm:
PluginsRegistry.find_all()
assert "standalone' plugin errored" in str(cm.exception)
def test_getitem(self):
assert self.plugin_ep == self.reg["mock"]
def test_iter(self):
assert ["mock"] == list(self.reg)
def test_len(self):
assert 0 == len(self._create_new_registry({}))
assert 1 == len(self.reg)
def test_init(self):
self.plugin_ep.init.return_value = "baz"
assert ["baz"] == self.reg.init("bar")
self.plugin_ep.init.assert_called_once_with("bar")
def test_filter(self):
assert self.plugins == \
self.reg.filter(lambda p_ep: p_ep.name.startswith("m"))
assert {} == self.reg.filter(lambda p_ep: p_ep.name.startswith("b"))
def test_ifaces(self):
self.plugin_ep.ifaces.return_value = True
# pylint: disable=protected-access
assert self.plugins == self.reg.ifaces()._plugins
self.plugin_ep.ifaces.return_value = False
assert {} == self.reg.ifaces()._plugins
def test_prepare(self):
self.plugin_ep.prepare.return_value = "baz"
assert ["baz"] == self.reg.prepare()
self.plugin_ep.prepare.assert_called_once_with()
def test_prepare_order(self):
order: List[str] = []
plugins = {
c: mock.MagicMock(prepare=functools.partial(order.append, c))
for c in string.ascii_letters
}
reg = self._create_new_registry(plugins)
reg.prepare()
# order of prepare calls must be sorted to prevent deadlock
# caused by plugins acquiring locks during prepare
assert order == sorted(string.ascii_letters)
def test_available(self):
self.plugin_ep.available = True
# pylint: disable=protected-access
assert self.plugins == self.reg.available()._plugins
self.plugin_ep.available = False
assert {} == self.reg.available()._plugins
def test_find_init(self):
assert self.reg.find_init(mock.Mock()) is None
self.plugin_ep.initialized = True
assert self.reg.find_init(self.plugin_ep.init()) is self.plugin_ep
def test_repr(self):
self.plugin_ep.__repr__ = lambda _: "PluginEntryPoint#mock"
assert "PluginsRegistry(PluginEntryPoint#mock)" == \
repr(self.reg)
def test_str(self):
assert "No plugins" == str(self._create_new_registry({}))
self.plugin_ep.__str__ = lambda _: "Mock"
assert "Mock" == str(self.reg)
plugins = {self.plugin_ep.name: self.plugin_ep, "foo": "Bar"}
reg = self._create_new_registry(plugins)
assert "Bar\n\nMock" == str(reg)
if __name__ == "__main__":
sys.exit(pytest.main(sys.argv[1:] + [__file__])) # pragma: no cover
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