ComfyUI/tests/isolation/test_path_helpers.py

94 lines
3.5 KiB
Python

from __future__ import annotations
import json
import os
import sys
from pathlib import Path
import pytest
from pyisolate.path_helpers import build_child_sys_path, serialize_host_snapshot
def test_serialize_host_snapshot_includes_expected_keys(tmp_path: Path, monkeypatch) -> None:
output = tmp_path / "snapshot.json"
monkeypatch.setenv("EXTRA_FLAG", "1")
snapshot = serialize_host_snapshot(output_path=output, extra_env_keys=["EXTRA_FLAG"])
assert "sys_path" in snapshot
assert "sys_executable" in snapshot
assert "sys_prefix" in snapshot
assert "environment" in snapshot
assert output.exists()
assert snapshot["environment"].get("EXTRA_FLAG") == "1"
persisted = json.loads(output.read_text(encoding="utf-8"))
assert persisted["sys_path"] == snapshot["sys_path"]
def test_build_child_sys_path_preserves_host_order() -> None:
host_paths = ["/host/root", "/host/site-packages"]
extra_paths = ["/node/.venv/lib/python3.12/site-packages"]
result = build_child_sys_path(host_paths, extra_paths, preferred_root=None)
assert result == host_paths + extra_paths
def test_build_child_sys_path_inserts_comfy_root_when_missing() -> None:
host_paths = ["/host/site-packages"]
comfy_root = os.environ.get("COMFYUI_ROOT") or str(Path.home() / "ComfyUI")
extra_paths: list[str] = []
result = build_child_sys_path(host_paths, extra_paths, preferred_root=comfy_root)
assert result[0] == comfy_root
assert result[1:] == host_paths
def test_build_child_sys_path_deduplicates_entries(tmp_path: Path) -> None:
path_a = str(tmp_path / "a")
path_b = str(tmp_path / "b")
host_paths = [path_a, path_b]
extra_paths = [path_a, path_b, str(tmp_path / "c")]
result = build_child_sys_path(host_paths, extra_paths)
assert result == [path_a, path_b, str(tmp_path / "c")]
def test_build_child_sys_path_skips_duplicate_comfy_root() -> None:
comfy_root = os.environ.get("COMFYUI_ROOT") or str(Path.home() / "ComfyUI")
host_paths = [comfy_root, "/host/other"]
result = build_child_sys_path(host_paths, extra_paths=[], preferred_root=comfy_root)
assert result == host_paths
def test_child_import_succeeds_after_path_unification(tmp_path: Path, monkeypatch) -> None:
host_root = tmp_path / "host"
utils_pkg = host_root / "utils"
app_pkg = host_root / "app"
utils_pkg.mkdir(parents=True)
app_pkg.mkdir(parents=True)
(utils_pkg / "__init__.py").write_text("from . import install_util\n", encoding="utf-8")
(utils_pkg / "install_util.py").write_text("VALUE = 'hello'\n", encoding="utf-8")
(app_pkg / "__init__.py").write_text("", encoding="utf-8")
(app_pkg / "frontend_management.py").write_text(
"from utils import install_util\nVALUE = install_util.VALUE\n",
encoding="utf-8",
)
child_only = tmp_path / "child_only"
child_only.mkdir()
target_module = "app.frontend_management"
for name in [n for n in list(sys.modules) if n.startswith("app") or n.startswith("utils")]:
sys.modules.pop(name)
monkeypatch.setattr(sys, "path", [str(child_only)])
with pytest.raises(ModuleNotFoundError):
__import__(target_module)
for name in [n for n in list(sys.modules) if n.startswith("app") or n.startswith("utils")]:
sys.modules.pop(name)
unified = build_child_sys_path([], [], preferred_root=str(host_root))
monkeypatch.setattr(sys, "path", unified)
module = __import__(target_module, fromlist=["VALUE"])
assert module.VALUE == "hello"