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* fix(skills): install for a user keeps its custom-dir setup off the event loop UserScopedSkillStorage.ainstall_skill_from_archive re-implemented the install pipeline and created the per-user custom directory inline, so the await behind POST /api/skills/install blocked the Gateway loop on os.mkdir. The base class offloads every filesystem phase around its LLM scan — and says so — but the override's setup step sat above that comment and escaped it, and the existing blocking-IO anchor drove only the host-scoped class. Offload the mkdir through the same worker thread and anchor the override itself under the strict Blockbuster gate. * test(blocking-io): pin per-user staging of supporting skill files Review follow-up on #5650: the user-scoped anchor asserted only the staged SKILL.md, so a regression that mis-stages the references/ tree under the per-user root would pass both anchors. Assert the supporting file against the per-user layout as well, mirroring the host-scoped twin.
112 lines
4.9 KiB
Python
112 lines
4.9 KiB
Python
"""Regression anchor: skill archive installation must not block the event loop.
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``LocalSkillStorage.ainstall_skill_from_archive`` is the async entry point the
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gateway ``POST /skills/install`` route awaits. It extracts the archive,
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validates frontmatter, security-scans every installable file, and stages the
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skill into the custom directory — all filesystem work that previously ran
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inline on the event loop (zip extract, ``rglob`` enumeration, ``read_text``,
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``shutil.copytree``). The fix offloads those phases via ``asyncio.to_thread``
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while keeping the per-file LLM security scan as the only awaited work; if any
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phase regresses back onto the loop, the strict Blockbuster gate raises
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``BlockingError`` and this test fails.
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Only the external LLM boundary (``scan_skill_content``) is stubbed — the
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archive, extraction, validation, and staging all run against the real local
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filesystem. Test-side setup IO is itself offloaded with ``asyncio.to_thread``
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(matching ``test_agents_router``) so only the production path is exercised on
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the loop.
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``UserScopedSkillStorage`` overrides the same entry point and is what the route
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actually awaits once per-user skill isolation is on, so it gets its own anchor
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rather than inheriting the host-scoped one.
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"""
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from __future__ import annotations
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import asyncio
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import zipfile
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from pathlib import Path
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from types import SimpleNamespace
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import pytest
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from deerflow.skills.storage.local_skill_storage import LocalSkillStorage
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pytestmark = pytest.mark.asyncio
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_SKILL_MD = """---
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name: loop-skill
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description: Anchor fixture skill for the blocking-IO gate.
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---
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# Loop Skill
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Drives the full install pipeline under the Blockbuster gate.
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"""
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_SUPPORT_MD = "Reference notes scanned by the per-file security pass.\n"
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def _build_archive(archive: Path) -> None:
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with zipfile.ZipFile(archive, "w") as zf:
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zf.writestr("loop-skill/SKILL.md", _SKILL_MD)
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zf.writestr("loop-skill/references/usage.md", _SUPPORT_MD)
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async def test_install_skill_archive_does_not_block_event_loop(tmp_path: Path, monkeypatch) -> None:
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archive = tmp_path / "loop-skill.skill"
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await asyncio.to_thread(_build_archive, archive)
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async def _allow_scan(content: str, *, executable: bool = False, location: str = "SKILL.md", app_config=None, static_findings=None):
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return SimpleNamespace(decision="allow", reason="anchor stub")
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# External dependency boundary only: the security scanner is an LLM call.
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monkeypatch.setattr("deerflow.skills.installer.scan_skill_content", _allow_scan)
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# Constructor resolves paths (one-time, cached in production via
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# get_or_new_skill_storage); offloaded here so the anchor exercises only
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# the install pipeline itself on the loop.
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storage = await asyncio.to_thread(LocalSkillStorage, host_path=str(tmp_path / "skills"))
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result = await storage.ainstall_skill_from_archive(archive)
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assert result["success"] is True
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assert result["skill_name"] == "loop-skill"
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installed_md = tmp_path / "skills" / "custom" / "loop-skill" / "SKILL.md"
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assert await asyncio.to_thread(installed_md.exists)
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assert await asyncio.to_thread((tmp_path / "skills" / "custom" / "loop-skill" / "references" / "usage.md").exists)
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async def test_user_scoped_install_skill_archive_does_not_block_event_loop(tmp_path: Path, monkeypatch) -> None:
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"""The override the install route actually awaits must offload its own setup too.
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``UserScopedSkillStorage.ainstall_skill_from_archive`` re-implements the
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pipeline with a per-user custom root and creates that root inside the
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coroutine, so the host-scoped anchor above cannot catch a regression there.
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"""
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from deerflow.config import paths as paths_mod
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from deerflow.skills.storage.user_scoped_skill_storage import UserScopedSkillStorage
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archive = tmp_path / "loop-skill.skill"
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await asyncio.to_thread(_build_archive, archive)
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async def _allow_scan(content: str, *, executable: bool = False, location: str = "SKILL.md", app_config=None, static_findings=None):
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return SimpleNamespace(decision="allow", reason="anchor stub")
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monkeypatch.setattr("deerflow.skills.installer.scan_skill_content", _allow_scan)
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monkeypatch.setenv("DEER_FLOW_HOME", str(tmp_path))
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monkeypatch.setattr(paths_mod, "_paths", None)
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# Constructor resolves per-user paths; offloaded so the only production
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# work on the loop is the install pipeline itself.
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storage = await asyncio.to_thread(UserScopedSkillStorage, "anchoruser", host_path=str(tmp_path / "skills"))
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result = await storage.ainstall_skill_from_archive(archive)
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assert result["success"] is True
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assert result["skill_name"] == "loop-skill"
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installed_md = tmp_path / "users" / "anchoruser" / "skills" / "custom" / "loop-skill" / "SKILL.md"
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assert await asyncio.to_thread(installed_md.is_file)
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installed_support = tmp_path / "users" / "anchoruser" / "skills" / "custom" / "loop-skill" / "references" / "usage.md"
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assert await asyncio.to_thread(installed_support.is_file)
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