mirror of
https://github.com/bytedance/deer-flow.git
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703 lines
26 KiB
Python
703 lines
26 KiB
Python
"""Tests for deerflow.uploads.manager — shared upload management logic."""
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import errno
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import multiprocessing
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import os
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import threading
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from concurrent.futures import ThreadPoolExecutor
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from pathlib import Path
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from queue import Empty
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from typing import Any
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from unittest.mock import patch
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import pytest
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from deerflow.uploads.layout import (
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artifact_url_for_virtual_path,
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conversion_path_for_upload,
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conversion_virtual_path,
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)
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from deerflow.uploads.lease import UploadNameLease
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from deerflow.uploads.manager import (
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AtomicUploadPublishError,
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PathTraversalError,
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UnsafeUploadPathError,
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abort_staged_upload,
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claim_unique_filename,
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cleanup_stale_upload_staging_files,
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create_upload_staging_file,
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delete_file_safe,
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list_files_in_dir,
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normalize_filename,
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publish_staged_upload,
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publish_upload_bytes,
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publish_upload_bytes_leased,
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publish_upload_copy,
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rollback_published_upload,
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validate_path_traversal,
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write_upload_file_no_symlink,
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)
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def _delete_upload_in_process(
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uploads_dir: str,
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filename: str,
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started: Any,
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finished: Any,
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errors: Any,
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) -> None:
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try:
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started.set()
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delete_file_safe(Path(uploads_dir), filename)
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except BaseException as exc: # pragma: no cover - surfaced in the parent
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errors.put(repr(exc))
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finally:
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finished.set()
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def _hold_staged_upload_in_process(
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uploads_dir: str,
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started: Any,
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release: Any,
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staged_paths: Any,
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errors: Any,
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) -> None:
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staged = None
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try:
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staged = create_upload_staging_file(Path(uploads_dir))
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staged.handle.write(b"in progress")
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staged.handle.flush()
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staged_paths.put(str(staged.path))
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started.set()
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if not release.wait(5):
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raise TimeoutError("parent did not release the staged upload")
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except BaseException as exc: # pragma: no cover - surfaced in the parent
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errors.put(repr(exc))
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finally:
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if staged is not None:
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try:
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abort_staged_upload(staged)
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except BaseException as exc: # pragma: no cover - surfaced in the parent
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errors.put(repr(exc))
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# ---------------------------------------------------------------------------
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# normalize_filename
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# ---------------------------------------------------------------------------
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class TestNormalizeFilename:
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def test_safe_filename(self):
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assert normalize_filename("report.pdf") == "report.pdf"
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def test_strips_path_components(self):
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assert normalize_filename("../../etc/passwd") == "passwd"
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def test_rejects_empty(self):
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with pytest.raises(ValueError, match="empty"):
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normalize_filename("")
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def test_rejects_dot_dot(self):
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with pytest.raises(ValueError, match="unsafe"):
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normalize_filename("..")
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def test_strips_separators(self):
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assert normalize_filename("path/to/file.txt") == "file.txt"
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def test_dot_only(self):
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with pytest.raises(ValueError, match="unsafe"):
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normalize_filename(".")
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# ---------------------------------------------------------------------------
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# claim_unique_filename
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# ---------------------------------------------------------------------------
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class TestDeduplicateFilename:
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def test_no_collision(self):
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seen: set[str] = set()
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assert claim_unique_filename("data.txt", seen) == "data.txt"
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assert "data.txt" in seen
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def test_single_collision(self):
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seen = {"data.txt"}
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assert claim_unique_filename("data.txt", seen) == "data_1.txt"
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assert "data_1.txt" in seen
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def test_triple_collision(self):
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seen = {"data.txt", "data_1.txt", "data_2.txt"}
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assert claim_unique_filename("data.txt", seen) == "data_3.txt"
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assert "data_3.txt" in seen
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def test_mutates_seen(self):
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seen: set[str] = set()
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claim_unique_filename("a.txt", seen)
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claim_unique_filename("a.txt", seen)
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assert seen == {"a.txt", "a_1.txt"}
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# ---------------------------------------------------------------------------
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# validate_path_traversal
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# ---------------------------------------------------------------------------
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class TestValidatePathTraversal:
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def test_inside_base_ok(self, tmp_path):
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child = tmp_path / "file.txt"
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child.touch()
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validate_path_traversal(child, tmp_path) # no exception
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def test_outside_base_raises(self, tmp_path):
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outside = tmp_path / ".." / "evil.txt"
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with pytest.raises(PathTraversalError, match="traversal"):
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validate_path_traversal(outside, tmp_path)
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def test_symlink_escape(self, tmp_path):
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target = tmp_path.parent / "secret.txt"
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target.touch()
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link = tmp_path / "escape"
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try:
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link.symlink_to(target)
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except OSError as exc:
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if getattr(exc, "winerror", None) == 1314:
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pytest.skip("symlink creation requires Developer Mode or elevated privileges on Windows")
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raise
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with pytest.raises(PathTraversalError, match="traversal"):
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validate_path_traversal(link, tmp_path)
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# ---------------------------------------------------------------------------
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# upload publication
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# ---------------------------------------------------------------------------
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class TestUploadPublication:
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def test_unrelated_names_that_shared_a_legacy_stripe_do_not_block(self, tmp_path):
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first = UploadNameLease.acquire(tmp_path, "f0.txt")
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second = None
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pool = ThreadPoolExecutor(max_workers=1)
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try:
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future = pool.submit(UploadNameLease.acquire, tmp_path, "f15.txt")
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second = future.result(timeout=1)
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finally:
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first.release()
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if second is not None:
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second.release()
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pool.shutdown()
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def test_windows_lock_retries_until_the_holder_releases(self, monkeypatch):
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import deerflow.uploads.lease as lease_module
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attempts = 0
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class FakeMsvcrt:
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LK_NBLCK = 1
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@staticmethod
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def locking(_fd, mode, _length):
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nonlocal attempts
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assert mode == FakeMsvcrt.LK_NBLCK
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attempts += 1
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if attempts < 3:
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raise OSError(errno.EACCES, "locked")
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class FakeLockFile:
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@staticmethod
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def fileno():
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return 7
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@staticmethod
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def seek(_offset):
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return None
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monkeypatch.setattr(lease_module, "fcntl", None)
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monkeypatch.setattr(lease_module, "msvcrt", FakeMsvcrt, raising=False)
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monkeypatch.setattr(lease_module.time, "sleep", lambda _seconds: None)
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lease_module._lock_file(FakeLockFile())
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assert attempts == 3
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def test_reserved_staging_name_is_rejected_before_stage_creation(self, tmp_path):
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with patch("deerflow.uploads.manager.create_upload_staging_file") as create_stage:
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with pytest.raises(ValueError, match="reserved"):
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publish_upload_bytes(tmp_path, ".upload-user.part", b"payload")
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create_stage.assert_not_called()
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def test_leased_publication_blocks_delete_until_release(self, tmp_path):
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publication = publish_upload_bytes_leased(tmp_path, "report.pdf", b"old")
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started = threading.Event()
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finished = threading.Event()
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def delete():
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started.set()
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delete_file_safe(tmp_path, "report.pdf")
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finished.set()
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worker = threading.Thread(target=delete)
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worker.start()
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try:
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assert started.wait(1)
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assert not finished.wait(0.1)
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finally:
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publication.release()
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worker.join(2)
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assert finished.is_set()
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def test_leased_publication_blocks_delete_across_processes(self, tmp_path):
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publication = publish_upload_bytes_leased(tmp_path, "report.pdf", b"old")
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context = multiprocessing.get_context("spawn")
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started = context.Event()
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finished = context.Event()
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errors = context.Queue()
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worker = context.Process(
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target=_delete_upload_in_process,
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args=(str(tmp_path), "report.pdf", started, finished, errors),
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)
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worker.start()
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try:
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assert started.wait(10)
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assert not finished.wait(0.2)
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finally:
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publication.release()
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worker.join(10)
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if worker.is_alive():
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worker.terminate()
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worker.join(2)
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assert worker.exitcode == 0
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try:
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child_error = errors.get_nowait()
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except Empty:
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child_error = None
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assert child_error is None
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assert finished.is_set()
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def test_lease_for_one_filename_does_not_block_another(self, tmp_path):
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publication = publish_upload_bytes_leased(tmp_path, "report.pdf", b"old")
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try:
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with ThreadPoolExecutor(max_workers=1) as pool:
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other = pool.submit(publish_upload_bytes, tmp_path, "notes.txt", b"new")
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assert other.result(timeout=1) == tmp_path / "notes.txt"
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finally:
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publication.release()
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def test_held_existing_name_does_not_block_next_collision_candidate(self, tmp_path):
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first = publish_upload_bytes_leased(tmp_path, "report.pdf", b"first")
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pool = ThreadPoolExecutor(max_workers=1)
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future = pool.submit(publish_upload_bytes_leased, tmp_path, "report.pdf", b"second")
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second = None
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timed_out = False
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try:
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second = future.result(timeout=1)
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except TimeoutError:
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timed_out = True
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finally:
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first.release()
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if second is None:
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second = future.result(timeout=2)
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if second is not None:
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second.release()
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pool.shutdown()
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assert not timed_out
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assert second is not None
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assert second.path == tmp_path / "report_1.pdf"
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assert second.path.read_bytes() == b"second"
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def test_rollback_does_not_remove_reused_path(self, tmp_path):
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publication = publish_upload_bytes_leased(tmp_path, "report.pdf", b"old")
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try:
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publication.path.unlink()
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publication.path.write_bytes(b"new")
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rollback_published_upload(publication)
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finally:
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publication.release()
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assert (tmp_path / "report.pdf").read_bytes() == b"new"
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def test_staging_unlink_failure_is_not_reported_as_success(self, tmp_path):
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staged = create_upload_staging_file(tmp_path)
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staged.handle.write(b"payload")
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real_unlink = Path.unlink
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def fail_only_for_stage(path, *args, **kwargs):
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if path == staged.path:
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raise OSError("cannot unlink stage")
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return real_unlink(path, *args, **kwargs)
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with patch.object(Path, "unlink", autospec=True, side_effect=fail_only_for_stage):
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with pytest.raises(AtomicUploadPublishError, match="staging"):
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publish_staged_upload(staged, "report.pdf")
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assert not (tmp_path / "report.pdf").exists()
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def test_abort_unlinks_stage_when_close_raises(self, tmp_path):
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staged = create_upload_staging_file(tmp_path)
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class CloseFailingHandle:
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def __init__(self, wrapped):
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self._wrapped = wrapped
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@property
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def closed(self):
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return self._wrapped.closed
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def close(self):
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self._wrapped.close()
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raise OSError("close failed")
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staged.handle = CloseFailingHandle(staged.handle)
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with pytest.raises(OSError, match="close failed"):
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abort_staged_upload(staged)
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assert not staged.path.exists()
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def test_abort_releases_stage_lease_when_unlink_raises(self, tmp_path):
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staged = create_upload_staging_file(tmp_path)
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with patch.object(Path, "unlink", autospec=True, side_effect=OSError("unlink failed")):
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with pytest.raises(OSError, match="unlink failed"):
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abort_staged_upload(staged)
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assert not staged.lease.is_active
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staged.path.unlink()
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def test_compatibility_wrapper_writes_new_file(self, tmp_path):
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dest = write_upload_file_no_symlink(tmp_path, "notes.txt", b"hello")
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assert dest == tmp_path / "notes.txt"
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assert dest.read_bytes() == b"hello"
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def test_existing_regular_file_is_renamed_not_overwritten(self, tmp_path):
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dest = tmp_path / "notes.txt"
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dest.write_bytes(b"old contents")
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assert os.stat(dest).st_nlink == 1
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result = publish_upload_bytes(tmp_path, "notes.txt", b"new contents")
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assert result == tmp_path / "notes_1.txt"
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assert dest.read_bytes() == b"old contents"
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assert result.read_bytes() == b"new contents"
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assert os.stat(dest).st_nlink == 1
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def test_existing_symlink_is_preserved_and_skipped(self, tmp_path):
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outside = tmp_path / "outside.txt"
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outside.write_bytes(b"protected")
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planted = tmp_path / "notes.txt"
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planted.symlink_to(outside)
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result = publish_upload_bytes(tmp_path, "notes.txt", b"new")
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assert result == tmp_path / "notes_1.txt"
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assert planted.is_symlink()
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assert outside.read_bytes() == b"protected"
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assert result.read_bytes() == b"new"
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def test_existing_hard_link_is_preserved_and_skipped(self, tmp_path):
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outside = tmp_path / "outside.txt"
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outside.write_bytes(b"protected")
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planted = tmp_path / "notes.txt"
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os.link(outside, planted)
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result = publish_upload_bytes(tmp_path, "notes.txt", b"new")
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assert result == tmp_path / "notes_1.txt"
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assert outside.read_bytes() == b"protected"
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assert planted.read_bytes() == b"protected"
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assert result.read_bytes() == b"new"
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def test_existing_directory_is_preserved_and_skipped(self, tmp_path):
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planted = tmp_path / "notes.txt"
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planted.mkdir()
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result = publish_upload_bytes(tmp_path, "notes.txt", b"new")
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assert result == tmp_path / "notes_1.txt"
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assert planted.is_dir()
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assert result.read_bytes() == b"new"
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def test_parallel_publication_preserves_every_payload(self, tmp_path):
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payloads = [f"payload-{i}".encode() for i in range(12)]
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with ThreadPoolExecutor(max_workers=len(payloads)) as pool:
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paths = list(pool.map(lambda payload: publish_upload_bytes(tmp_path, "same.txt", payload), payloads))
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assert {path.name for path in paths} == {
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"same.txt",
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*(f"same_{i}.txt" for i in range(1, len(payloads))),
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}
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assert {path.read_bytes() for path in paths} == set(payloads)
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assert not list(tmp_path.glob(".upload-*.part"))
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def test_unsupported_atomic_publish_fails_and_cleans_stage(self, tmp_path):
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with patch(
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"deerflow.uploads.manager.os.link",
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side_effect=OSError(errno.EOPNOTSUPP, "hard links unsupported"),
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):
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with pytest.raises(AtomicUploadPublishError, match="atomic no-replace"):
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publish_upload_bytes(tmp_path, "same.txt", b"payload")
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assert not (tmp_path / "same.txt").exists()
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assert not list(tmp_path.glob(".upload-*.part"))
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@pytest.mark.parametrize(
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("name", "expected"),
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[
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("archive.tar.gz", "archive.tar_1.gz"),
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("README", "README_1"),
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(".env", ".env_1"),
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],
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)
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def test_suffix_is_inserted_before_final_extension(self, tmp_path, name, expected):
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(tmp_path / name).write_bytes(b"old")
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result = publish_upload_bytes(tmp_path, name, b"new")
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assert result.name == expected
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assert result.read_bytes() == b"new"
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def test_collision_suffix_keeps_filename_within_255_utf8_bytes(self, tmp_path):
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name = f"{'é' * 125}.txt"
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assert len(name.encode("utf-8")) == 254
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(tmp_path / name).write_bytes(b"old")
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result = publish_upload_bytes(tmp_path, name, b"new")
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assert result.name.endswith("_1.txt")
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assert len(result.name.encode("utf-8")) <= 255
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assert result.read_bytes() == b"new"
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def test_publish_upload_copy_stages_complete_source(self, tmp_path):
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source = tmp_path / "source.bin"
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source.write_bytes(b"source bytes")
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uploads = tmp_path / "uploads"
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uploads.mkdir()
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result = publish_upload_copy(uploads, "copied.bin", source)
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assert result == uploads / "copied.bin"
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assert result.read_bytes() == b"source bytes"
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assert not list(uploads.glob(".upload-*.part"))
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class TestUploadLayout:
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def test_conversion_layout_uses_full_primary_name(self, tmp_path):
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upload = tmp_path / "user-data" / "uploads" / "report.pdf"
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assert conversion_path_for_upload(upload) == tmp_path / "user-data" / ".upload-conversions" / "report.pdf.md"
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assert conversion_virtual_path("report.pdf") == "/mnt/user-data/.upload-conversions/report.pdf.md"
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assert artifact_url_for_virtual_path("thread-1", conversion_virtual_path("report #1.pdf")) == ("/api/threads/thread-1/artifacts/mnt/user-data/.upload-conversions/report%20%231.pdf.md")
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# ---------------------------------------------------------------------------
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# list_files_in_dir
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# ---------------------------------------------------------------------------
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class TestListFilesInDir:
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def test_empty_dir(self, tmp_path):
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result = list_files_in_dir(tmp_path)
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assert result == {"files": [], "count": 0}
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|
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def test_nonexistent_dir(self, tmp_path):
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result = list_files_in_dir(tmp_path / "nope")
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assert result == {"files": [], "count": 0}
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|
|
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def test_multiple_files_sorted(self, tmp_path):
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(tmp_path / "b.txt").write_text("b")
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(tmp_path / "a.txt").write_text("a")
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result = list_files_in_dir(tmp_path)
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assert result["count"] == 2
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|
assert result["files"][0]["filename"] == "a.txt"
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assert result["files"][1]["filename"] == "b.txt"
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for f in result["files"]:
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assert set(f.keys()) == {"filename", "size", "path", "extension", "modified"}
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def test_ignores_subdirectories(self, tmp_path):
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(tmp_path / "file.txt").write_text("data")
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(tmp_path / "subdir").mkdir()
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result = list_files_in_dir(tmp_path)
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assert result["count"] == 1
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assert result["files"][0]["filename"] == "file.txt"
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|
|
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def test_filters_only_upload_staging_files(self, tmp_path):
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(tmp_path / ".env").write_text("intentional dotfile")
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(tmp_path / ".upload-active.part").write_text("partial")
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(tmp_path / ".upload-note.txt").write_text("intentional upload")
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(tmp_path / "draft.part").write_text("intentional upload")
|
|
(tmp_path / "visible.txt").write_text("visible")
|
|
|
|
result = list_files_in_dir(tmp_path)
|
|
|
|
assert result["count"] == 4
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|
assert [f["filename"] for f in result["files"]] == [".env", ".upload-note.txt", "draft.part", "visible.txt"]
|
|
|
|
|
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# ---------------------------------------------------------------------------
|
|
# cleanup_stale_upload_staging_files
|
|
# ---------------------------------------------------------------------------
|
|
|
|
|
|
class TestCleanupStaleUploadStagingFiles:
|
|
def test_skips_stage_held_by_another_process(self, tmp_path):
|
|
uploads = tmp_path / "threads" / "thread-live" / "user-data" / "uploads"
|
|
uploads.mkdir(parents=True)
|
|
context = multiprocessing.get_context("spawn")
|
|
started = context.Event()
|
|
release = context.Event()
|
|
staged_paths = context.Queue()
|
|
errors = context.Queue()
|
|
worker = context.Process(
|
|
target=_hold_staged_upload_in_process,
|
|
args=(str(uploads), started, release, staged_paths, errors),
|
|
)
|
|
worker.start()
|
|
try:
|
|
assert started.wait(5)
|
|
staged_path = Path(staged_paths.get(timeout=1))
|
|
|
|
assert cleanup_stale_upload_staging_files(tmp_path) == 0
|
|
assert staged_path.exists()
|
|
finally:
|
|
release.set()
|
|
worker.join(timeout=5)
|
|
if worker.is_alive():
|
|
worker.terminate()
|
|
worker.join(timeout=5)
|
|
|
|
assert worker.exitcode == 0
|
|
with pytest.raises(Empty):
|
|
errors.get_nowait()
|
|
|
|
def test_skips_live_stage_and_removes_it_after_lease_is_abandoned(self, tmp_path):
|
|
uploads = tmp_path / "threads" / "thread-live" / "user-data" / "uploads"
|
|
uploads.mkdir(parents=True)
|
|
staged = create_upload_staging_file(uploads)
|
|
staged.handle.write(b"in progress")
|
|
|
|
assert cleanup_stale_upload_staging_files(tmp_path) == 0
|
|
assert staged.path.exists()
|
|
|
|
staged.handle.close()
|
|
staged.lease.release()
|
|
assert cleanup_stale_upload_staging_files(tmp_path) == 1
|
|
assert not staged.path.exists()
|
|
|
|
def test_removes_only_stale_staging_files_from_all_upload_layouts(self, tmp_path):
|
|
legacy_uploads = tmp_path / "threads" / "thread-legacy" / "user-data" / "uploads"
|
|
user_uploads = tmp_path / "users" / "owner-1" / "threads" / "thread-owned" / "user-data" / "uploads"
|
|
legacy_conversions = legacy_uploads.parent / ".upload-conversions"
|
|
user_conversions = user_uploads.parent / ".upload-conversions"
|
|
unrelated_uploads = tmp_path / "misc" / "thread-other" / "user-data" / "uploads"
|
|
for uploads_dir in (
|
|
legacy_uploads,
|
|
user_uploads,
|
|
legacy_conversions,
|
|
user_conversions,
|
|
unrelated_uploads,
|
|
):
|
|
uploads_dir.mkdir(parents=True)
|
|
|
|
(legacy_uploads / ".upload-old.part").write_text("legacy partial")
|
|
(user_uploads / ".upload-new.part").write_text("user partial")
|
|
(legacy_conversions / ".upload-converted-old.part").write_text("legacy conversion partial")
|
|
(user_conversions / ".upload-converted-new.part").write_text("user conversion partial")
|
|
(unrelated_uploads / ".upload-ignore.part").write_text("outside layout")
|
|
(legacy_uploads / ".env").write_text("intentional dotfile")
|
|
(legacy_uploads / ".upload-note.txt").write_text("intentional upload")
|
|
(legacy_uploads / "draft.part").write_text("intentional upload")
|
|
|
|
removed = cleanup_stale_upload_staging_files(tmp_path)
|
|
|
|
assert removed == 4
|
|
assert not (legacy_uploads / ".upload-old.part").exists()
|
|
assert not (user_uploads / ".upload-new.part").exists()
|
|
assert not (legacy_conversions / ".upload-converted-old.part").exists()
|
|
assert not (user_conversions / ".upload-converted-new.part").exists()
|
|
assert (unrelated_uploads / ".upload-ignore.part").exists()
|
|
assert (legacy_uploads / ".env").exists()
|
|
assert (legacy_uploads / ".upload-note.txt").exists()
|
|
assert (legacy_uploads / "draft.part").exists()
|
|
|
|
def test_does_not_follow_symlinked_conversion_directory(self, tmp_path):
|
|
user_data = tmp_path / "threads" / "thread-legacy" / "user-data"
|
|
(user_data / "uploads").mkdir(parents=True)
|
|
outside = tmp_path / "outside"
|
|
outside.mkdir()
|
|
staged = outside / ".upload-outside.part"
|
|
staged.write_text("outside")
|
|
(user_data / ".upload-conversions").symlink_to(outside, target_is_directory=True)
|
|
|
|
assert cleanup_stale_upload_staging_files(tmp_path) == 0
|
|
assert staged.read_text() == "outside"
|
|
|
|
|
|
# ---------------------------------------------------------------------------
|
|
# delete_file_safe
|
|
# ---------------------------------------------------------------------------
|
|
|
|
|
|
class TestDeleteFileSafe:
|
|
def test_delete_existing_file(self, tmp_path):
|
|
f = tmp_path / "test.txt"
|
|
f.write_text("data")
|
|
result = delete_file_safe(tmp_path, "test.txt")
|
|
assert result["success"] is True
|
|
assert not f.exists()
|
|
|
|
def test_delete_nonexistent_raises(self, tmp_path):
|
|
with pytest.raises(FileNotFoundError):
|
|
delete_file_safe(tmp_path, "nope.txt")
|
|
|
|
def test_delete_from_nonexistent_directory_raises_file_not_found(self, tmp_path):
|
|
with pytest.raises(FileNotFoundError, match="ghost.txt"):
|
|
delete_file_safe(tmp_path / "missing-uploads", "ghost.txt")
|
|
|
|
def test_delete_traversal_raises(self, tmp_path):
|
|
with pytest.raises(PathTraversalError, match="traversal"):
|
|
delete_file_safe(tmp_path, "../outside.txt")
|
|
|
|
def test_delete_rejects_path_components(self, tmp_path):
|
|
primary = tmp_path / "report.pdf"
|
|
primary.write_bytes(b"PDF")
|
|
|
|
with pytest.raises(PathTraversalError, match="traversal"):
|
|
delete_file_safe(tmp_path, "folder/report.pdf")
|
|
|
|
assert primary.exists()
|
|
|
|
def test_delete_rejects_symlink_instead_of_unlinking_target(self, tmp_path):
|
|
outside = tmp_path / "outside.txt"
|
|
outside.write_text("protected", encoding="utf-8")
|
|
uploads = tmp_path / "uploads"
|
|
uploads.mkdir()
|
|
planted = uploads / "report.pdf"
|
|
planted.symlink_to(outside)
|
|
|
|
with pytest.raises(UnsafeUploadPathError):
|
|
delete_file_safe(uploads, "report.pdf")
|
|
|
|
assert planted.is_symlink()
|
|
assert outside.read_text(encoding="utf-8") == "protected"
|
|
|
|
def test_delete_removes_owned_conversion_but_preserves_legacy_sibling(self, tmp_path):
|
|
uploads = tmp_path / "user-data" / "uploads"
|
|
uploads.mkdir(parents=True)
|
|
primary = uploads / "report.pdf"
|
|
primary.write_bytes(b"PDF")
|
|
legacy_or_user = uploads / "report.md"
|
|
legacy_or_user.write_text("user markdown", encoding="utf-8")
|
|
owned = conversion_path_for_upload(primary)
|
|
owned.parent.mkdir()
|
|
owned.write_text("generated", encoding="utf-8")
|
|
|
|
delete_file_safe(uploads, "report.pdf")
|
|
|
|
assert not primary.exists()
|
|
assert not owned.exists()
|
|
assert legacy_or_user.read_text(encoding="utf-8") == "user markdown"
|