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# -*- coding: utf-8 -*-
#
# diffoscope: in-depth comparison of files, archives, and directories
#
# Copyright © 2015 Jérémy Bobbio <lunar@debian.org>
# 2017 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 os
import shutil
import pytest
from diffoscope.comparators.binary import FilesystemFile
from diffoscope.comparators.directory import compare_directories
from diffoscope.comparators.utils.specialize import specialize
from ..utils.data import data, get_data
TEST_FILE1_PATH = data('text_ascii1')
TEST_FILE2_PATH = data('text_ascii2')
def test_no_differences():
difference = compare_directories(
os.path.dirname(__file__), os.path.dirname(__file__)
)
assert difference is None
def test_no_differences_with_extra_slash():
difference = compare_directories(
os.path.dirname(__file__) + '/', os.path.dirname(__file__)
)
assert difference is None
@pytest.fixture
def differences(tmpdir):
tmpdir.mkdir('a')
tmpdir.mkdir('a/dir')
tmpdir.mkdir('b')
tmpdir.mkdir('b/dir')
shutil.copy(TEST_FILE1_PATH, str(tmpdir.join('a/dir/text')))
shutil.copy(TEST_FILE2_PATH, str(tmpdir.join('b/dir/text')))
os.utime(str(tmpdir.join('a/dir/text')), (0, 0))
os.utime(str(tmpdir.join('b/dir/text')), (0, 0))
os.utime(str(tmpdir.join('a/dir')), (0, 0))
os.utime(str(tmpdir.join('b/dir')), (0, 0))
os.utime(str(tmpdir.join('a')), (0, 0))
os.utime(str(tmpdir.join('b')), (0, 0))
return compare_directories(
str(tmpdir.join('a')), str(tmpdir.join('b'))
).details
def test_content(differences):
assert differences[0].source1 == 'dir'
assert differences[0].details[0].source1 == 'text'
expected_diff = get_data('text_ascii_expected_diff')
assert differences[0].details[0].unified_diff == expected_diff
def test_stat(differences):
assert 'stat' in differences[0].details[0].details[0].source1
def test_compare_to_file(tmpdir):
path = str(tmpdir.join('file'))
with open(path, 'w') as f:
f.write("content")
a = specialize(FilesystemFile(str(tmpdir.mkdir('dir'))))
b = specialize(FilesystemFile(path))
assert a.compare(b).unified_diff == get_data('test_directory_file_diff')
def test_compare_to_device(tmpdir):
a = specialize(FilesystemFile(str(tmpdir.mkdir('dir'))))
b = specialize(FilesystemFile('/dev/null'))
assert a.compare(b).unified_diff == get_data('test_directory_device_diff')
def test_compare_to_symlink(tmpdir):
path = str(tmpdir.join('src'))
os.symlink('/etc/passwd', path)
a = specialize(FilesystemFile(str(tmpdir.mkdir('dir'))))
b = specialize(FilesystemFile(path))
assert a.compare(b).unified_diff == get_data('test_directory_symlink_diff')
def test_compare_to_dangling_symlink(tmpdir):
path = str(tmpdir.join('src'))
os.symlink('/dangling', path)
a = specialize(FilesystemFile(str(tmpdir.mkdir('dir'))))
b = specialize(FilesystemFile(path))
assert a.compare(b).unified_diff == get_data('test_directory_symlink_diff')
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