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# -*- coding: utf-8 -*-
#
# diffoscope: in-depth comparison of files, archives, and directories
#
# Copyright © 2015 Jérémy Bobbio <lunar@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
from diffoscope.config import Config
from diffoscope.comparators.missing_file import MissingFile
from diffoscope.comparators.iso9660 import Iso9660File
from ..utils.data import load_fixture, get_data
from ..utils.tools import skip_unless_tools_exist
iso1 = load_fixture('test1.iso')
iso2 = load_fixture('test2.iso')
def is_cdrtools():
if b"Schilling" in subprocess.check_output(['isoinfo', '--version']):
return True
else:
return False
def test_identification(iso1):
assert isinstance(iso1, Iso9660File)
def test_no_differences(iso1):
difference = iso1.compare(iso1)
assert difference is None
@pytest.fixture
def differences(iso1, iso2):
return iso1.compare(iso2).details
@skip_unless_tools_exist('isoinfo')
def test_iso9660_content(differences):
if is_cdrtools():
expected_diff = get_data('iso9660_content_expected_diff_cdrtools')
else:
expected_diff = get_data('iso9660_content_expected_diff')
assert differences[0].unified_diff == expected_diff
@skip_unless_tools_exist('isoinfo')
def test_iso9660_rockridge(differences):
if is_cdrtools():
expected_diff = get_data('iso9660_rockridge_expected_diff_cdrtools')
else:
expected_diff = get_data('iso9660_rockridge_expected_diff')
assert differences[1].unified_diff == expected_diff
@skip_unless_tools_exist('isoinfo')
def test_symlink(differences):
assert differences[3].comment == 'symlink'
expected_diff = get_data('symlink_expected_diff')
assert differences[3].unified_diff == expected_diff
@skip_unless_tools_exist('isoinfo')
def test_compressed_files(differences):
assert differences[2].source1 == 'text'
assert differences[2].source2 == 'text'
expected_diff = get_data('text_ascii_expected_diff')
assert differences[2].unified_diff == expected_diff
@skip_unless_tools_exist('isoinfo')
def test_compare_non_existing(monkeypatch, iso1):
monkeypatch.setattr(Config(), 'new_file', True)
difference = iso1.compare(MissingFile('/nonexisting', iso1))
assert difference.source2 == '/nonexisting'
assert difference.details[-1].source2 == '/dev/null'
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