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kodi
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from __future__ import annotations
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import asyncio
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import sys
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import tempfile
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import time
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import unittest
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from pathlib import Path
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import httpx
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sys.path.insert(0, str(Path(__file__).resolve().parents[3]))
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from backend.app.dependencies import get_copy_task_service, get_task_service
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from backend.app.db.task_repository import TaskRepository
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from backend.app.main import app
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from backend.app.security.path_guard import PathGuard
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from backend.app.services.copy_task_service import CopyTaskService
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from backend.app.services.task_service import TaskService
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from backend.app.tasks_runner import TaskRunner
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from backend.app.fs.filesystem_adapter import FilesystemAdapter
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class FailingFilesystemAdapter(FilesystemAdapter):
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def copy_file(self, source: str, destination: str, on_progress: callable | None = None) -> None:
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raise OSError("forced copy failure")
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class CopyApiGoldenTest(unittest.TestCase):
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def setUp(self) -> None:
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self.temp_dir = tempfile.TemporaryDirectory()
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self.root = Path(self.temp_dir.name) / "root"
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self.root.mkdir(parents=True, exist_ok=True)
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self.repo = TaskRepository(str(Path(self.temp_dir.name) / "tasks.db"))
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path_guard = PathGuard({"storage1": str(self.root), "storage2": str(self.root)})
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self._set_services(path_guard=path_guard, filesystem=FilesystemAdapter())
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def tearDown(self) -> None:
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app.dependency_overrides.clear()
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self.temp_dir.cleanup()
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def _set_services(self, path_guard: PathGuard, filesystem: FilesystemAdapter) -> None:
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runner = TaskRunner(repository=self.repo, filesystem=filesystem)
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copy_service = CopyTaskService(path_guard=path_guard, repository=self.repo, runner=runner)
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task_service = TaskService(repository=self.repo)
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async def _override_copy_service() -> CopyTaskService:
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return copy_service
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async def _override_task_service() -> TaskService:
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return task_service
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app.dependency_overrides[get_copy_task_service] = _override_copy_service
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app.dependency_overrides[get_task_service] = _override_task_service
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def _request(self, method: str, url: str, payload: dict | None = None) -> httpx.Response:
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async def _run() -> httpx.Response:
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transport = httpx.ASGITransport(app=app)
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async with httpx.AsyncClient(transport=transport, base_url="http://testserver") as client:
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if method == "POST":
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return await client.post(url, json=payload)
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return await client.get(url)
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return asyncio.run(_run())
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def _wait_task(self, task_id: str, timeout_s: float = 2.0) -> dict:
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deadline = time.time() + timeout_s
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while time.time() < deadline:
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response = self._request("GET", f"/api/tasks/{task_id}")
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body = response.json()
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if body["status"] in {"completed", "failed"}:
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return body
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time.sleep(0.02)
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self.fail("task did not reach terminal state in time")
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def test_copy_success_create_task_shape(self) -> None:
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src = self.root / "source.txt"
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src.write_text("hello", encoding="utf-8")
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response = self._request(
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"POST",
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"/api/files/copy",
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{"source": "storage1/source.txt", "destination": "storage1/copy.txt"},
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)
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self.assertEqual(response.status_code, 202)
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body = response.json()
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self.assertIn("task_id", body)
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self.assertEqual(body["status"], "queued")
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detail = self._wait_task(body["task_id"])
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self.assertEqual(detail["status"], "completed")
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self.assertEqual(detail["total_bytes"], 5)
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self.assertEqual(detail["done_bytes"], 5)
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self.assertTrue((self.root / "copy.txt").exists())
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self.assertEqual((self.root / "copy.txt").read_text(encoding="utf-8"), "hello")
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def test_copy_source_not_found(self) -> None:
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response = self._request(
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"POST",
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"/api/files/copy",
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{"source": "storage1/missing.txt", "destination": "storage1/out.txt"},
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)
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self.assertEqual(response.status_code, 404)
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self.assertEqual(
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response.json(),
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{
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"error": {
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"code": "path_not_found",
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"message": "Requested path was not found",
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"details": {"path": "storage1/missing.txt"},
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}
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},
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)
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def test_copy_source_is_directory_type_conflict(self) -> None:
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(self.root / "dir").mkdir()
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response = self._request(
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"POST",
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"/api/files/copy",
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{"source": "storage1/dir", "destination": "storage1/out.txt"},
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)
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self.assertEqual(response.status_code, 409)
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self.assertEqual(response.json()["error"]["code"], "type_conflict")
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def test_copy_destination_exists_already_exists(self) -> None:
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(self.root / "source.txt").write_text("x", encoding="utf-8")
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(self.root / "exists.txt").write_text("y", encoding="utf-8")
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response = self._request(
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"POST",
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"/api/files/copy",
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{"source": "storage1/source.txt", "destination": "storage1/exists.txt"},
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)
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self.assertEqual(response.status_code, 409)
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self.assertEqual(
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response.json(),
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{
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"error": {
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"code": "already_exists",
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"message": "Target path already exists",
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"details": {"path": "storage1/exists.txt"},
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}
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},
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)
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def test_copy_traversal_source(self) -> None:
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response = self._request(
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"POST",
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"/api/files/copy",
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{"source": "storage1/../etc/passwd", "destination": "storage1/out.txt"},
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)
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self.assertEqual(response.status_code, 403)
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self.assertEqual(response.json()["error"]["code"], "path_traversal_detected")
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def test_copy_traversal_destination(self) -> None:
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(self.root / "source.txt").write_text("x", encoding="utf-8")
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response = self._request(
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"POST",
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"/api/files/copy",
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{"source": "storage1/source.txt", "destination": "storage1/../etc/out.txt"},
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)
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self.assertEqual(response.status_code, 403)
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self.assertEqual(response.json()["error"]["code"], "path_traversal_detected")
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def test_copy_source_symlink_rejected(self) -> None:
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target = self.root / "real.txt"
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target.write_text("x", encoding="utf-8")
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link = self.root / "link.txt"
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link.symlink_to(target)
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response = self._request(
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"POST",
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"/api/files/copy",
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{"source": "storage1/link.txt", "destination": "storage1/out.txt"},
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)
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self.assertEqual(response.status_code, 409)
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self.assertEqual(response.json()["error"]["code"], "type_conflict")
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def test_copy_runtime_io_error_failed_task_shape(self) -> None:
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src = self.root / "source.txt"
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src.write_text("hello", encoding="utf-8")
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path_guard = PathGuard({"storage1": str(self.root), "storage2": str(self.root)})
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self._set_services(path_guard=path_guard, filesystem=FailingFilesystemAdapter())
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response = self._request(
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"POST",
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"/api/files/copy",
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{"source": "storage1/source.txt", "destination": "storage1/copy.txt"},
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)
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self.assertEqual(response.status_code, 202)
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task_id = response.json()["task_id"]
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detail = self._wait_task(task_id)
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self.assertEqual(detail["status"], "failed")
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self.assertEqual(detail["error_code"], "io_error")
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self.assertEqual(detail["failed_item"], str(src))
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if __name__ == "__main__":
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unittest.main()
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