1
0
mirror of https://github.com/arsenetar/dupeguru.git synced 2024-10-31 22:05:58 +00:00
dupeguru/core/tests/fs_test.py
glubsy 277bc3fbb8 Add unit tests for hash sample optimization
* Instead of keeping md5 samples separate, merge them as one hash computed from the various selected chunks we picked.
* We don't need to keep a boolean to see whether or not the user chose to optimize; we can simply compare the value of the threshold, since 0 means no optimization currently active.
2021-06-21 22:44:05 +02:00

110 lines
3.9 KiB
Python

# Created By: Virgil Dupras
# Created On: 2009-10-23
# Copyright 2015 Hardcoded Software (http://www.hardcoded.net)
#
# This software is licensed under the "GPLv3" License as described in the "LICENSE" file,
# which should be included with this package. The terms are also available at
# http://www.gnu.org/licenses/gpl-3.0.html
import hashlib
from os import urandom
from hscommon.path import Path
from hscommon.testutil import eq_
from core.tests.directories_test import create_fake_fs
from .. import fs
def create_fake_fs_with_random_data(rootpath):
rootpath = rootpath["fs"]
rootpath.mkdir()
rootpath["dir1"].mkdir()
rootpath["dir2"].mkdir()
rootpath["dir3"].mkdir()
fp = rootpath["file1.test"].open("wb")
data1 = urandom(200 * 1024) # 200KiB
data2 = urandom(1024 * 1024) # 1MiB
data3 = urandom(10 * 1024 * 1024) # 10MiB
fp.write(data1)
fp.close()
fp = rootpath["file2.test"].open("wb")
fp.write(data2)
fp.close()
fp = rootpath["file3.test"].open("wb")
fp.write(data3)
fp.close()
fp = rootpath["dir1"]["file1.test"].open("wb")
fp.write(data1)
fp.close()
fp = rootpath["dir2"]["file2.test"].open("wb")
fp.write(data2)
fp.close()
fp = rootpath["dir3"]["file3.test"].open("wb")
fp.write(data3)
fp.close()
return rootpath
def test_size_aggregates_subfiles(tmpdir):
p = create_fake_fs(Path(str(tmpdir)))
b = fs.Folder(p)
eq_(b.size, 12)
def test_md5_aggregate_subfiles_sorted(tmpdir):
# dir.allfiles can return child in any order. Thus, bundle.md5 must aggregate
# all files' md5 it contains, but it must make sure that it does so in the
# same order everytime.
p = create_fake_fs_with_random_data(Path(str(tmpdir)))
b = fs.Folder(p)
md51 = fs.File(p["dir1"]["file1.test"]).md5
md52 = fs.File(p["dir2"]["file2.test"]).md5
md53 = fs.File(p["dir3"]["file3.test"]).md5
md54 = fs.File(p["file1.test"]).md5
md55 = fs.File(p["file2.test"]).md5
md56 = fs.File(p["file3.test"]).md5
# The expected md5 is the md5 of md5s for folders and the direct md5 for files
folder_md51 = hashlib.md5(md51).digest()
folder_md52 = hashlib.md5(md52).digest()
folder_md53 = hashlib.md5(md53).digest()
md5 = hashlib.md5(folder_md51 + folder_md52 + folder_md53 + md54 + md55 + md56)
eq_(b.md5, md5.digest())
def test_partial_md5_aggregate_subfile_sorted(tmpdir):
p = create_fake_fs_with_random_data(Path(str(tmpdir)))
b = fs.Folder(p)
md51 = fs.File(p["dir1"]["file1.test"]).md5partial
md52 = fs.File(p["dir2"]["file2.test"]).md5partial
md53 = fs.File(p["dir3"]["file3.test"]).md5partial
md54 = fs.File(p["file1.test"]).md5partial
md55 = fs.File(p["file2.test"]).md5partial
md56 = fs.File(p["file3.test"]).md5partial
# The expected md5 is the md5 of md5s for folders and the direct md5 for files
folder_md51 = hashlib.md5(md51).digest()
folder_md52 = hashlib.md5(md52).digest()
folder_md53 = hashlib.md5(md53).digest()
md5 = hashlib.md5(folder_md51 + folder_md52 + folder_md53 + md54 + md55 + md56)
eq_(b.md5partial, md5.digest())
md51 = fs.File(p["dir1"]["file1.test"]).md5samples
md52 = fs.File(p["dir2"]["file2.test"]).md5samples
md53 = fs.File(p["dir3"]["file3.test"]).md5samples
md54 = fs.File(p["file1.test"]).md5samples
md55 = fs.File(p["file2.test"]).md5samples
md56 = fs.File(p["file3.test"]).md5samples
# The expected md5 is the md5 of md5s for folders and the direct md5 for files
folder_md51 = hashlib.md5(md51).digest()
folder_md52 = hashlib.md5(md52).digest()
folder_md53 = hashlib.md5(md53).digest()
md5 = hashlib.md5(folder_md51 + folder_md52 + folder_md53 + md54 + md55 + md56)
eq_(b.md5samples, md5.digest())
def test_has_file_attrs(tmpdir):
# a Folder must behave like a file, so it must have mtime attributes
b = fs.Folder(Path(str(tmpdir)))
assert b.mtime > 0
eq_(b.extension, "")