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import os
from pathlib import Path
import pytest
from pkgcore.fs import fs, livefs
from pkgcore.fs.contents import contentsSet
class TestFsObjs:
def check_attrs(self, obj, path, offset=None):
if offset is None:
st = path.lstat()
else:
st = (offset / path).lstat()
if offset is not None:
assert offset.is_absolute(), f"path must be absolute, got {path!r}"
assert (obj.mode & 0o7777) == (st.st_mode & 0o7777)
assert obj.uid == st.st_uid
assert obj.gid == st.st_gid
if fs.isreg(obj):
if offset is None:
assert obj.data.path == str(path)
else:
assert obj.data.path == str(offset / path)
def test_data_source(self):
o = livefs.gen_obj("/tmp/etc/passwd", real_location="/etc/passwd")
assert o.location, "/tmp/etc/passwd"
assert o.data.path, "/etc/passwd"
with open("/etc/passwd", "rb") as f:
with o.data.bytes_fileobj() as fileobj:
assert fileobj.read() == f.read()
def test_gen_obj_reg(self, tmp_path):
(path := tmp_path / "reg_obj").touch()
o = livefs.gen_obj(str(path))
assert fs.isreg(o)
self.check_attrs(o, path)
o2 = livefs.gen_obj(str(path), inode=None)
self.check_attrs(o, path)
assert o.inode != o2.inode
def test_gen_obj_dir(self, tmp_path):
o = livefs.gen_obj(str(tmp_path))
assert fs.isdir(o)
self.check_attrs(o, tmp_path)
def test_gen_obj_sym(self, tmp_path):
(src := tmp_path / "s").touch()
(link := tmp_path / "t").symlink_to(src)
obj = livefs.gen_obj(str(link))
assert isinstance(obj, fs.fsSymlink)
self.check_attrs(obj, link)
assert os.readlink(link) == obj.target
def test_gen_obj_fifo(self, tmp_path):
os.mkfifo(path := tmp_path / "fifo")
o = livefs.gen_obj(str(path))
self.check_attrs(o, path)
def test_iterscan(self, tmp_path):
(path := tmp_path / "iscan").mkdir()
files = [path / x for x in ("tmp", "blah", "dar")]
for x in files:
x.touch()
dirs = [path / x for x in ("a", "b", "c")]
for x in dirs:
x.mkdir()
dirs.append(path)
for obj in livefs.iter_scan(str(path)):
assert isinstance(obj, fs.fsBase)
if fs.isreg(obj):
assert Path(obj.location) in files
elif fs.isdir(obj):
assert Path(obj.location) in dirs
else:
pytest.fail(f"unknown object popped up in testing dir, {obj!r}")
self.check_attrs(obj, Path(obj.location))
# do offset verification now.
offset = path
for obj in livefs.iter_scan(str(path), offset=str(offset)):
self.check_attrs(obj, Path(obj.location).relative_to("/"), offset=offset)
seen = []
for obj in livefs.iter_scan(str(files[0])):
self.check_attrs(obj, Path(obj.location))
seen.append(obj.location)
assert [str(files[0])] == sorted(seen)
def test_sorted_scan(self, tmp_path):
for x in ("tmp", "blah", "dar"):
(tmp_path / x).touch()
for x in ("a", "b", "c"):
(tmp_path / x).mkdir()
# regular directory scanning
sorted_files = livefs.sorted_scan(str(tmp_path))
assert sorted_files == [str(tmp_path / x) for x in ("blah", "dar", "tmp")]
# nonexistent paths
nonexistent_path = str(tmp_path / "foobar")
assert livefs.sorted_scan(nonexistent_path) == []
assert livefs.sorted_scan(nonexistent_path, nonexistent=True) == [
nonexistent_path
]
def test_sorted_scan_hidden(self, tmp_path):
for x in (".tmp", "blah"):
(tmp_path / x).touch()
sorted_files = livefs.sorted_scan(str(tmp_path))
assert [str(tmp_path / x) for x in (".tmp", "blah")] == sorted_files
sorted_files = livefs.sorted_scan(str(tmp_path), hidden=False)
assert [str(tmp_path / x) for x in ("blah",)] == sorted_files
def test_sorted_scan_backup(self, tmp_path):
for x in ("blah", "blah~"):
(tmp_path / x).touch()
sorted_files = livefs.sorted_scan(str(tmp_path))
assert [str(tmp_path / x) for x in ("blah", "blah~")] == sorted_files
sorted_files = livefs.sorted_scan(str(tmp_path), backup=False)
assert [str(tmp_path / x) for x in ("blah",)] == sorted_files
def test_relative_sym(self, tmp_path):
(path := tmp_path / "relative-symlink-test").symlink_to("../sym1/blah")
o = livefs.gen_obj(str(path))
assert o.target == "../sym1/blah"
def test_intersect(self, tmp_path):
(tmp_path / "reg").touch()
cset = contentsSet([fs.fsFile("reg", strict=False)])
cset = cset.insert_offset(str(tmp_path))
assert contentsSet(livefs.intersect(cset)) == cset
cset = contentsSet(
[
fs.fsFile("reg/foon", strict=False),
fs.fsFile("reg/dar", strict=False),
fs.fsDir("reg/dir", strict=False),
]
).insert_offset(str(tmp_path))
assert not list(livefs.intersect(cset))
cset = contentsSet([fs.fsDir("reg", strict=False)])
assert not list(livefs.intersect(cset))
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