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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.java import ClassFile
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
class1 = load_fixture('Test1.class')
class2 = load_fixture('Test2.class')
def javap_version():
try:
out = subprocess.check_output(['javap', '-version'])
except subprocess.CalledProcessError as e:
out = e.output
return out.decode('UTF-8').strip()
def test_identification(class1):
assert isinstance(class1, ClassFile)
def test_no_differences(class1):
difference = class1.compare(class1)
assert difference is None
@pytest.fixture
def differences(class1, class2):
return class1.compare(class2).details
@skip_unless_tool_is_at_least('javap', javap_version, '1.8')
def test_diff(differences):
expected_diff = get_data('class_expected_diff')
assert differences[0].unified_diff == expected_diff
@skip_unless_tools_exist('javap')
def test_compare_non_existing(monkeypatch, class1):
monkeypatch.setattr(Config(), 'new_file', True)
difference = class1.compare(MissingFile('/nonexisting', class1))
assert difference.source2 == '/nonexisting'
assert len(difference.details) > 0
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