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# Copyright 2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
from unittest.mock import MagicMock, patch
from _emerge.actions import get_libc_version, run_action
from portage.const import LIBC_PACKAGE_ATOM
from portage.dbapi.virtual import fakedbapi
from portage.dep import Atom
from portage.tests import TestCase
class RunActionTestCase(TestCase):
"""This class' purpose is to encompass UTs for ``actions.run_action``.
Since that function is extremely long (at least on Sep. 2022;
hopefully the situation gets better with the time), the tests in this
``TestCase`` contain plenty of mocks/patches.
Hopefully, with time and effort, the ``run_action`` function (and others
in the module) are refactored to make testing easier and more robust.
A side effect of the mocking approach is a strong dependency on the
details of the implementation. That can be improved if functions
are smaller and do a well defined small set of tasks. Another call to
refactoring...
If the implementation changes, the mocks can be adjusted to play its
role.
"""
@patch("_emerge.actions.profile_check")
@patch("_emerge.actions.adjust_configs")
@patch("_emerge.actions.apply_priorities")
def test_binary_trees_populate_called(self, papply, padjust, profile_ckeck):
"""Ensure that ``binarytree.populate`` API is correctly used.
The point of this test is to ensure that the ``populate`` method
is called as expected: since it is the first time that ``populate``
is called, it must use ``getbinpkg_refresh=True``.
"""
config = MagicMock()
config.action = None
config.opts = {"--quiet": True, "--usepkg": True, "--package-moves": "n"}
bt = MagicMock()
tree = {"bintree": bt}
trees = {"first": tree}
config.trees = trees
run_action(config)
bt.populate.assert_called_once_with(
getbinpkgs=False, getbinpkg_refresh=True, pretend=False
)
def testGetSystemLibc(self):
"""
Check that get_libc_version extracts the right version string
from the provider LIBC_PACKAGE_ATOM for emerge --info and friends.
"""
settings = MagicMock()
settings.getvirtuals.return_value = {
LIBC_PACKAGE_ATOM: [Atom("=sys-libs/musl-1.2.3")]
}
settings.__getitem__.return_value = {}
vardb = fakedbapi(settings)
vardb.cpv_inject("sys-libs/musl-1.2.3", {"SLOT": "0"})
self.assertEqual(get_libc_version(vardb), ["musl-1.2.3"])
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