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#
# diffoscope: in-depth comparison of files, archives, and directories
#
# Copyright © 2024 Jelle van der Waa <jelle@archlinux.org>
# Copyright © 2025 Chris Lamb <lamby@debian.org>
#
# diffoscope 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.
#
# diffoscope 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 diffoscope. If not, see <https://www.gnu.org/licenses/>.
import pytest
import re
import subprocess
from diffoscope.comparators.binary import FilesystemFile
from diffoscope.comparators.uki import UKIFile
from diffoscope.comparators.utils.command import our_check_output
from diffoscope.comparators.utils.specialize import specialize
from ..utils.data import assert_diff, load_fixture
from ..utils.tools import skip_unless_tools_exist, skip_unless_tool_is_at_least
efi_stub = load_fixture("dummyx64.efi.stub")
def ukify_version():
line = subprocess.check_output(("ukify", "--version")).decode("utf-8")
return re.search(r"\((.*)\)", line).group(1)
def uki_fixture(prefix, os_release, uname):
@pytest.fixture
def uki(tmpdir, efi_stub):
input_ = str(tmpdir.join(prefix))
output = str(tmpdir.join("{}.unsigned.efi".format(prefix)))
with open(input_, "w") as fp:
fp.write("kernel")
our_check_output(
[
"ukify",
"build",
"--stub",
efi_stub.path,
"--linux",
input_,
"--os-release",
os_release,
"--uname",
uname,
],
cwd=tmpdir,
)
return specialize(FilesystemFile(output))
return uki
uki1 = uki_fixture("linux1", "arch", "6.11")
uki2 = uki_fixture("linux2", "debian", "6.12")
@pytest.fixture
def differences(uki1, uki2):
return uki1.compare(uki2).details
@skip_unless_tools_exist("objdump")
@skip_unless_tools_exist("ukify")
@skip_unless_tool_is_at_least("ukify", ukify_version, "258~rc3")
def test_no_differences(uki1):
difference = uki1.compare(uki1)
assert difference is None
@skip_unless_tools_exist("objdump")
@skip_unless_tools_exist("ukify")
@skip_unless_tool_is_at_least("ukify", ukify_version, "258~rc3")
def test_diff(differences):
assert_diff(differences[0], "uki_expected_diff")
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