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#
# diffoscope: in-depth comparison of files, archives, and directories
#
# Copyright © 2015 Jérémy Bobbio <lunar@debian.org>
# Copyright © 2015-2020, 2022 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.compare import compare_root_paths
from diffoscope.comparators.utils.specialize import specialize
from ..utils.data import data, get_data, assert_diff
TEST_FILE1_PATH = data("text_ascii1")
TEST_FILE2_PATH = data("text_ascii2")
def test_no_differences():
x = os.path.dirname(__file__)
difference = compare_directories(x, x)
assert difference is None
def test_no_differences_with_extra_slash():
x = os.path.dirname(__file__)
difference = compare_directories(x + "/", x)
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 "/dir" in differences[0].source1
assert "/dir/text" in differences[0].details[0].source1
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_diff(a.compare(b), "test_directory_file_diff")
def test_compare_to_device(tmpdir):
a = specialize(FilesystemFile(str(tmpdir.mkdir("dir"))))
b = specialize(FilesystemFile("/dev/null"))
assert_diff(a.compare(b), "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_diff(a.compare(b), "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_diff(a.compare(b), "test_directory_symlink_diff")
def test_compare_both_ways(tmpdir):
"""
Comparing a directory with a file shouldn't crash, but nor should as
comparing a file with a directory either. (Re: #292)
"""
a = str(tmpdir)
b = TEST_FILE1_PATH
assert_diff(compare_root_paths(a, b), "test_directory_a_b_diff")
assert_diff(compare_root_paths(b, a), "test_directory_b_a_diff")
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