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"""Extract tests.
"""
import io
import os
import sys
from datetime import datetime
import pytest
import rarfile
def get_props(rf, name):
inf = rf.getinfo(name)
return "".join([
inf.is_file() and "F" or "-",
inf.is_dir() and "D" or "-",
inf.is_symlink() and "L" or "-",
])
def san_unix(fn):
return rarfile.sanitize_filename(fn, "/", False)
def san_win32(fn):
return rarfile.sanitize_filename(fn, "/", True)
def test_sanitize_unix():
assert san_unix("asd/asd") == "asd/asd"
assert san_unix("asd/../asd") == "asd/asd"
assert san_unix("c:/a/x") == r"c:/a/x"
assert san_unix("z/./../a /b./c") == "z/a /b./c"
assert san_unix("z<>*?:") == "z____:"
def test_sanitize_win32():
assert san_win32("asd/asd") == "asd/asd"
assert san_win32("asd/../asd") == "asd/asd"
assert san_win32("c:/a/x") == "a/x"
assert san_win32("z/./../a /b./c") == "z/a_/b_/c"
assert san_win32("z<>*?:\\^") == "z_______"
def checktime(fn, exp_mtime):
# cannot check subsecond precision as filesystem may not support it
cut = len("0000-00-00 00:00:00")
st = os.stat(fn)
got_mtime = datetime.fromtimestamp(st.st_mtime, exp_mtime.tzinfo)
exp_stamp = exp_mtime.isoformat(" ", "seconds")[:cut]
got_stamp = got_mtime.isoformat(" ", "seconds")[:cut]
assert exp_stamp == got_stamp
def checkfile(fn, data, mtime):
with open(fn, "r", encoding="utf8") as f:
got = f.read()
assert got.strip() == data
checktime(fn, mtime)
def check_subdir(rf, tmp_path):
# pre-mkdir
ext1 = tmp_path / "ext1"
inf = rf.getinfo("sub/dir1/file1.txt")
os.mkdir(ext1)
rf.extract(inf, ext1)
assert sorted(os.listdir(tmp_path)) == ["ext1"]
assert os.listdir(ext1 / "sub") == ["dir1"]
checkfile(ext1 / "sub/dir1/file1.txt", "file1", inf.mtime)
# no mkdir
ext2 = tmp_path / "ext2"
inf = rf.getinfo("sub/dir2/file2.txt")
rf.extract("sub/dir2/file2.txt", ext2)
assert sorted(os.listdir(tmp_path)) == ["ext1", "ext2"]
assert os.listdir(ext2 / "sub") == ["dir2"]
checkfile(ext2 / "sub/dir2/file2.txt", "file2", inf.mtime)
# spaced
ext3 = tmp_path / "ext3"
inf = rf.getinfo("sub/with space/long fn.txt")
rf.extract("sub/with space/long fn.txt", ext3)
checkfile(ext3 / "sub/with space/long fn.txt", "long fn", inf.mtime)
# unicode
ext4 = tmp_path / "ext4"
inf = rf.getinfo("sub/üȵĩöḋè/file.txt")
rf.extract("sub/üȵĩöḋè/file.txt", ext4)
checkfile(ext4 / "sub/üȵĩöḋè/file.txt", "file", inf.mtime)
# dir only
ext5 = tmp_path / "ext5"
inf = rf.getinfo("sub/dir2")
rf.extract("sub/dir2", ext5)
assert os.listdir(ext5 / "sub") == ["dir2"]
assert os.listdir(ext5 / "sub/dir2") == []
checktime(ext5 / "sub/dir2", inf.mtime)
# cwd
ext6 = tmp_path / "ext6"
os.mkdir(ext6)
old = os.getcwd()
try:
os.chdir(ext6)
rf.extract("sub/dir1")
assert os.listdir(".") == ["sub"]
assert os.listdir("sub") == ["dir1"]
assert os.listdir("sub/dir1") == []
finally:
os.chdir(old)
# errors
with pytest.raises(io.UnsupportedOperation):
rf.open("sub/dir1")
@pytest.mark.parametrize("fn", [
"test/files/rar3-subdirs.rar",
"test/files/rar5-subdirs.rar",
])
def test_subdirs(fn, tmp_path):
with rarfile.RarFile(fn) as rf:
check_subdir(rf, tmp_path)
@pytest.mark.parametrize("fn", [
"test/files/rar3-readonly-unix.rar",
"test/files/rar3-readonly-win.rar",
"test/files/rar5-readonly-unix.rar",
"test/files/rar5-readonly-win.rar",
])
def test_readonly(fn, tmp_path):
with rarfile.RarFile(fn) as rf:
assert get_props(rf, "ro_dir") == "-D-"
assert get_props(rf, "ro_dir/ro_file.txt") == "F--"
rf.extractall(tmp_path)
assert os.access(tmp_path / "ro_dir/ro_file.txt", os.R_OK)
assert not os.access(tmp_path / "ro_dir/ro_file.txt", os.W_OK)
if sys.platform != "win32":
assert os.access(tmp_path / "ro_dir", os.R_OK)
assert not os.access(tmp_path / "ro_dir", os.W_OK)
@pytest.mark.parametrize("fn", [
"test/files/rar3-symlink-unix.rar",
"test/files/rar5-symlink-unix.rar",
])
def test_symlink(fn, tmp_path):
with rarfile.RarFile(fn) as rf:
assert get_props(rf, "data.txt") == "F--"
assert get_props(rf, "data_link") == "--L"
assert get_props(rf, "random_link") == "--L"
rf.extractall(tmp_path)
assert sorted(os.listdir(tmp_path)) == ["data.txt", "data_link", "random_link"]
data = rf.getinfo("data.txt")
data_link = rf.getinfo("data_link")
random_link = rf.getinfo("random_link")
assert not data.is_symlink()
assert data_link.is_symlink()
assert random_link.is_symlink()
assert rf.read(data) == b"data\n"
assert rf.read(data_link) == b"data.txt"
assert rf.read(random_link) == b"../random123"
assert os.path.isfile(tmp_path / "data.txt")
assert os.path.islink(tmp_path / "data_link")
assert os.path.islink(tmp_path / "random_link")
# str - work around pypy3 bug
assert os.readlink(str(tmp_path / "data_link")) == "data.txt"
assert os.readlink(str(tmp_path / "random_link")) == "../random123"
def test_symlink_win(tmp_path):
fn = "test/files/rar5-symlink-win.rar"
with rarfile.RarFile(fn) as rf:
assert get_props(rf, "content/dir1") == "-D-"
assert get_props(rf, "content/dir2") == "-D-"
assert get_props(rf, "content/file.txt") == "F--"
assert get_props(rf, "links/bad_link") == "--L"
assert get_props(rf, "links/dir_junction") == "--L"
assert get_props(rf, "links/dir_link") == "--L"
assert get_props(rf, "links/file_link") == "--L"
with pytest.warns(rarfile.UnsupportedWarning):
rf.extractall(tmp_path)
assert sorted(os.listdir(tmp_path)) == ["content", "links"]
assert sorted(os.listdir(tmp_path / "content")) == ["dir1", "dir2", "file.txt"]
assert sorted(os.listdir(tmp_path / "links")) == ["bad_link", "dir_link", "file_link"]
assert os.path.islink(tmp_path / "links/bad_link")
assert os.path.islink(tmp_path / "links/dir_link")
assert os.path.islink(tmp_path / "links/file_link")
@pytest.mark.parametrize("fn", [
"test/files/rar3-old.rar",
"test/files/rar3-vols.part1.rar",
"test/files/rar5-vols.part1.rar",
])
def test_vols(fn, tmp_path):
with rarfile.RarFile(fn) as rf:
rarfile.FORCE_TOOL = True
try:
rf.extractall(str(tmp_path))
except rarfile.BadRarFile as e:
assert any("Failed the read enough data" in arg for arg in e.args)
pytest.xfail("caught not enough data read failure in test_vols")
finally:
rarfile.FORCE_TOOL = False
assert sorted(os.listdir(tmp_path)) == ["vols"]
assert sorted(os.listdir(tmp_path / "vols")) == ["bigfile.txt", "smallfile.txt"]
assert os.path.isfile(tmp_path / "vols" / "bigfile.txt")
assert os.path.isfile(tmp_path / "vols" / "smallfile.txt")
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