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#
# diffoscope: in-depth comparison of files, archives, and directories
#
# Copyright © 2016 Emanuel Bronshtein <e3amn2l@gmx.com>
# Copyright © 2016-2020 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 subprocess
import re
from diffoscope.config import Config
from diffoscope.comparators.openssh import PublicKeyFile
from diffoscope.comparators.missing_file import MissingFile
from ..utils.data import load_fixture, get_data
from ..utils.tools import skip_unless_tools_exist, skip_unless_tool_is_at_least
# Generated by: ssh-keygen -t dsa -C "Test1"
opensshpubkey1 = load_fixture("test_openssh_pub_key1.pub")
# Generated by: ssh-keygen -t rsa -b 4096 -C "Test2"
opensshpubkey2 = load_fixture("test_openssh_pub_key2.pub")
def openssh_version():
out = subprocess.check_output(("ssh", "-V"), stderr=subprocess.STDOUT)
return re.match(r"OpenSSH_([a-zA-Z0-9._+-]+)", out.decode()).group(1)
def test_identification(opensshpubkey1):
assert isinstance(opensshpubkey1, PublicKeyFile)
def test_no_differences(opensshpubkey1):
difference = opensshpubkey1.compare(opensshpubkey1)
assert difference is None
@pytest.fixture
def differences(opensshpubkey1, opensshpubkey2):
return opensshpubkey1.compare(opensshpubkey2).details
@skip_unless_tool_is_at_least("ssh-keygen", openssh_version, "6.9")
def test_diff(differences):
expected_diff = get_data("openssh_pub_key_expected_diff")
assert differences[0].unified_diff == expected_diff
@skip_unless_tools_exist("ssh-keygen")
def test_compare_non_existing(monkeypatch, opensshpubkey1):
monkeypatch.setattr(Config(), "new_file", True)
difference = opensshpubkey1.compare(
MissingFile("/nonexisting", opensshpubkey1)
)
assert difference.source2 == "/nonexisting"
assert len(difference.details) > 0
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