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dupeguru/core/tests/fs_test.py

114 lines
4.5 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 typing
from os import urandom
from pathlib import Path
from hscommon.testutil import eq_
from core.tests.directories_test import create_fake_fs
from core import fs
hasher: typing.Callable
try:
import xxhash
hasher = xxhash.xxh128
except ImportError:
import hashlib
hasher = hashlib.md5
def create_fake_fs_with_random_data(rootpath):
rootpath = rootpath.joinpath("fs")
rootpath.mkdir()
rootpath.joinpath("dir1").mkdir()
rootpath.joinpath("dir2").mkdir()
rootpath.joinpath("dir3").mkdir()
data1 = urandom(200 * 1024) # 200KiB
data2 = urandom(1024 * 1024) # 1MiB
data3 = urandom(10 * 1024 * 1024) # 10MiB
with rootpath.joinpath("file1.test").open("wb") as fp:
fp.write(data1)
with rootpath.joinpath("file2.test").open("wb") as fp:
fp.write(data2)
with rootpath.joinpath("file3.test").open("wb") as fp:
fp.write(data3)
with rootpath.joinpath("dir1", "file1.test").open("wb") as fp:
fp.write(data1)
with rootpath.joinpath("dir2", "file2.test").open("wb") as fp:
fp.write(data2)
with rootpath.joinpath("dir3", "file3.test").open("wb") as fp:
fp.write(data3)
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_digest_aggregate_subfiles_sorted(tmpdir):
# dir.allfiles can return child in any order. Thus, bundle.digest must aggregate
# all files' digests 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)
digest1 = fs.File(p.joinpath("dir1", "file1.test")).digest
digest2 = fs.File(p.joinpath("dir2", "file2.test")).digest
digest3 = fs.File(p.joinpath("dir3", "file3.test")).digest
digest4 = fs.File(p.joinpath("file1.test")).digest
digest5 = fs.File(p.joinpath("file2.test")).digest
digest6 = fs.File(p.joinpath("file3.test")).digest
# The expected digest is the hash of digests for folders and the direct digest for files
folder_digest1 = hasher(digest1).digest()
folder_digest2 = hasher(digest2).digest()
folder_digest3 = hasher(digest3).digest()
digest = hasher(folder_digest1 + folder_digest2 + folder_digest3 + digest4 + digest5 + digest6).digest()
eq_(b.digest, digest)
def test_partial_digest_aggregate_subfile_sorted(tmpdir):
p = create_fake_fs_with_random_data(Path(str(tmpdir)))
b = fs.Folder(p)
digest1 = fs.File(p.joinpath("dir1", "file1.test")).digest_partial
digest2 = fs.File(p.joinpath("dir2", "file2.test")).digest_partial
digest3 = fs.File(p.joinpath("dir3", "file3.test")).digest_partial
digest4 = fs.File(p.joinpath("file1.test")).digest_partial
digest5 = fs.File(p.joinpath("file2.test")).digest_partial
digest6 = fs.File(p.joinpath("file3.test")).digest_partial
# The expected digest is the hash of digests for folders and the direct digest for files
folder_digest1 = hasher(digest1).digest()
folder_digest2 = hasher(digest2).digest()
folder_digest3 = hasher(digest3).digest()
digest = hasher(folder_digest1 + folder_digest2 + folder_digest3 + digest4 + digest5 + digest6).digest()
eq_(b.digest_partial, digest)
digest1 = fs.File(p.joinpath("dir1", "file1.test")).digest_samples
digest2 = fs.File(p.joinpath("dir2", "file2.test")).digest_samples
digest3 = fs.File(p.joinpath("dir3", "file3.test")).digest_samples
digest4 = fs.File(p.joinpath("file1.test")).digest_samples
digest5 = fs.File(p.joinpath("file2.test")).digest_samples
digest6 = fs.File(p.joinpath("file3.test")).digest_samples
# The expected digest is the digest of digests for folders and the direct digest for files
folder_digest1 = hasher(digest1).digest()
folder_digest2 = hasher(digest2).digest()
folder_digest3 = hasher(digest3).digest()
digest = hasher(folder_digest1 + folder_digest2 + folder_digest3 + digest4 + digest5 + digest6).digest()
eq_(b.digest_samples, 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, "")