Commit f94b754a authored by William Hollywood's avatar William Hollywood
Browse files

Update headers, base tests off of test_xz.py

parent bf04ad9a

diffoscope/comparators/lzma.py

+2 −1
Original line number Diff line number Diff line 
#

# diffoscope: in-depth comparison of files, archives, and directories

#

# Copyright © 2025 Will Hollywood <will.d.hollywood@gmail.com>

# Copyright © 2014-2015 Jérémy Bobbio <lunar@debian.org>

# Copyright © 2015-2020, 2024-2025 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

tests/comparators/test_lzma.py

+13 −16
Original line number Diff line number Diff line 
#

# diffoscope: in-depth comparison of files, archives, and directories

#

# Copyright © 2025 Will Hollywood <will.d.hollywood@gmail.com>

# Copyright © 2015 Jérémy Bobbio <lunar@debian.org>

# Copyright © 2016-2017, 2020, 2024-2025 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
@@ -19,24 +20,20 @@ 
import shutil

import pytest



from diffoscope.config import Config

from diffoscope.comparators.lzma import LzmaFile

from diffoscope.comparators.binary import FilesystemFile

from diffoscope.comparators.missing_file import MissingFile

from diffoscope.comparators.utils.specialize import (

    specialize,

    is_direct_instance,

)



from ..utils.data import load_fixture, get_data

from diffoscope.comparators.utils.specialize import specialize



from ..utils.data import load_fixture, assert_diff

from ..utils.tools import skip_unless_tools_exist

from ..utils.nonexisting import assert_non_existing



lzma1 = load_fixture("test1.lzma")

lzma2 = load_fixture("test2.lzma")





def test_identification(lzma1):

    assert is_direct_instance(lzma1, LzmaFile)

    assert isinstance(lzma1, LzmaFile)





def test_no_differences(lzma1):
@@ -49,11 +46,13 @@ def differences(lzma1, lzma2): 
    return lzma1.compare(lzma2).details





@skip_unless_tools_exist("xz")

def test_content_source(differences):

    assert differences[0].source1 == "test1"

    assert differences[0].source2 == "test2"





@skip_unless_tools_exist("xz")

def test_content_source_without_extension(tmpdir, lzma1, lzma2):

    path1 = str(tmpdir.join("test1"))

    path2 = str(tmpdir.join("test2"))
@@ -66,13 +65,11 @@ def test_content_source_without_extension(tmpdir, lzma1, lzma2): 
    assert difference[0].source2 == "test2-content"





@skip_unless_tools_exist("xz")

def test_content_diff(differences):

    expected_diff = get_data("text_ascii_expected_diff")

    assert differences[0].unified_diff == expected_diff

    assert_diff(differences[0], "text_ascii_expected_diff")





@skip_unless_tools_exist("xz")

def test_compare_non_existing(monkeypatch, lzma1):

    monkeypatch.setattr(Config(), "new_file", True)

    difference = lzma1.compare(MissingFile("/nonexisting", lzma1))

    assert difference.source2 == "/nonexisting"

    assert difference.details[-1].source2 == "/dev/null"
 
    assert_non_existing(monkeypatch, lzma1)