Files
ComfyAssets-ComfyUI_PromptM…/tests/test_init_package.py
T
Vito 347de6a023 test(logging): keep prior.log closed against in-flight records (#296)
TestPackageLoggerIsolation installed a plain logging.FileHandler on
prior.log and closed it while it was still attached to the live
"prompt_manager" logger. FileHandler.emit reopens the file whenever
stream is None, so a record another thread had already routed to the
handler (other tests leave image workers and watchdog threads logging
under prompt_manager.*) reopened prior.log after close and kept it open
through TemporaryDirectory.cleanup(), which Windows refuses (WinError 32).

Use a prior handler that refuses to emit once closed (the same guard
as the product's _OwnedRotatingFileHandler), detach handlers before
closing them, add a deterministic in-flight-record reproduction, and
assert no open handles under the temp directory before its cleanup.
2026-10-23 00:52:00 -07:00

559 lines
21 KiB
Python

"""Importing the extension package wires the queue hook to the shared database.
The package is loaded the way ComfyUI loads it (``__init__`` with relative
imports) with ComfyUI's ``server`` and ``folder_paths`` modules stubbed.
"""
import contextlib
import importlib.util
import io
import logging
import json
import os
import sys
import tempfile
import threading
import types
import unittest
import unittest.mock as mock
from aiohttp import web
ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
sys.path.insert(0, ROOT)
from utils.logging_config import get_logger_manager # noqa: E402
get_logger_manager()
try:
from tests.open_handles import open_handles_under # noqa: E402
except ImportError: # discovered with tests/ as the top-level directory
from open_handles import open_handles_under # noqa: E402
class FakePromptQueue:
def __init__(self):
self.results = []
def get(self, timeout=None):
return self.results.pop(0) if self.results else None
def fake_server_module():
"""A ``server`` module whose PromptServer.instance accepts routes and hooks."""
instance = types.SimpleNamespace(
routes=web.RouteTableDef(),
prompt_queue=FakePromptQueue(),
handlers=[],
app=types.SimpleNamespace(middlewares=[]),
)
instance.add_on_prompt_handler = instance.handlers.append
module = types.ModuleType("server")
module.PromptServer = type("PromptServer", (), {"instance": instance})
return module
def fake_folder_paths_module(output_dir):
module = types.ModuleType("folder_paths")
module.base_path = output_dir
module.models_dir = os.path.join(output_dir, "models")
module.get_output_directory = lambda: output_dir
module.get_folder_paths = lambda name: []
return module
def _import_package(name, db_path, output_dir, server=None):
"""Import ROOT/__init__.py as package ``name`` with ComfyUI stubbed.
Returns (package, server instance) to the scoped fixture.
"""
saved = {key: sys.modules.get(key) for key in ("server", "folder_paths")}
server = server or fake_server_module()
sys.modules["server"] = server
sys.modules["folder_paths"] = fake_folder_paths_module(output_dir)
try:
from py.config import PromptManagerConfig
config_path = os.path.join(output_dir, "promptmanager-test-config.json")
with open(config_path, "w", encoding="utf-8") as config:
json.dump({"database": {"default_path": db_path}}, config)
with (
mock.patch.object(PromptManagerConfig, "DEFAULT_DB_PATH", db_path),
mock.patch.dict(os.environ, {"PROMPT_MANAGER_CONFIG_PATH": config_path}),
):
spec = importlib.util.spec_from_file_location(
name,
os.path.join(ROOT, "__init__.py"),
submodule_search_locations=[ROOT],
)
package = importlib.util.module_from_spec(spec)
sys.modules[name] = package
try:
spec.loader.exec_module(package)
except BaseException:
cleanup_package(package)
raise
finally:
for key, module in saved.items():
if module is None:
sys.modules.pop(key, None)
else:
sys.modules[key] = module
return package, server.PromptServer.instance
def cleanup_package(package):
"""Stop fixture-owned workers before releasing its other resources."""
registration = getattr(package, "_history_registration", None)
if registration is not None:
assert registration.dispose(3), "package history worker leaked"
monitor = getattr(package, "_global_image_monitor", None)
if monitor is not None:
monitor.stop_monitoring()
close_every_database()
sys.modules.pop(package.__name__, None)
@contextlib.contextmanager
def load_package(name, db_path, output_dir, server=None):
"""Dispose package workers before closing its isolated logging handlers."""
root_logger = logging.getLogger("prompt_manager")
loggers = [root_logger] + [
logger
for key, logger in list(logging.Logger.manager.loggerDict.items())
if key.startswith("prompt_manager.") and isinstance(logger, logging.Logger)
]
previous = {
logger: (
logger.handlers[:],
logger.level,
logger.propagate,
logger.disabled,
logger.filters[:],
)
for logger in loggers
}
prior_handlers = {handler for state in previous.values() for handler in state[0]}
root_logger.handlers = []
try:
package, instance = _import_package(name, db_path, output_dir, server)
# A previously imported package may reuse its existing logger singleton.
if not root_logger.handlers:
root_logger.handlers = previous[root_logger][0][:]
try:
yield package, instance
finally:
cleanup_package(package)
finally:
current_loggers = [root_logger] + [
logger
for key, logger in list(logging.Logger.manager.loggerDict.items())
if key.startswith("prompt_manager.") and isinstance(logger, logging.Logger)
]
created_handlers = {
handler
for logger in current_loggers
for handler in logger.handlers
if handler not in prior_handlers
}
for logger in current_loggers:
(
logger.handlers,
level,
logger.propagate,
logger.disabled,
logger.filters,
) = previous.get(logger, ([], logging.NOTSET, True, False, []))
logger.setLevel(level)
for handler in created_handlers:
handler.close()
def close_every_database():
"""Close connections of every PromptModel registry in the process.
A package loaded under its own name imports its own copy of
database.models, whose PromptModel class keeps its own registry.
"""
for name, module in list(sys.modules.items()):
if name.endswith("database.models") and hasattr(module, "PromptModel"):
module.PromptModel.close_all_instances()
class PackageTestCase(unittest.TestCase):
package_name = "prompt_manager_pkg"
@classmethod
def setUpClass(cls):
cls.tmp = tempfile.TemporaryDirectory()
cls.addClassCleanup(cls.tmp.cleanup)
cls.addClassCleanup(cls.assert_no_open_handles)
cls.output_dir = os.path.join(cls.tmp.name, "output")
os.makedirs(cls.output_dir)
cls.db_path = cls.make_db_path(cls.tmp.name)
package_context = contextlib.ExitStack()
cls.addClassCleanup(package_context.close)
cls.package, cls.server = package_context.enter_context(
load_package(
cls.package_name, cls.db_path, cls.output_dir, server=cls.make_server()
)
)
@classmethod
def make_db_path(cls, tmp):
return os.path.join(tmp, "prompts.db")
@classmethod
def make_server(cls):
return fake_server_module()
@classmethod
def assert_no_open_handles(cls):
hits = open_handles_under(cls.tmp.name)
assert not hits, f"files still open before temp dir cleanup: {hits}"
class TestPackageWiring(PackageTestCase):
def test_nodes_are_registered(self):
self.assertEqual(
sorted(self.package.NODE_CLASS_MAPPINGS),
[
"PromptManager",
"PromptManagerFocused",
"PromptManagerPair",
"PromptManagerSplit",
"PromptManagerText",
"PromptSearchList",
],
)
def test_split_display_name_and_execution_contract_are_registered(self):
node = self.package.NODE_CLASS_MAPPINGS["PromptManagerSplit"]
self.assertEqual(
self.package.NODE_DISPLAY_NAME_MAPPINGS["PromptManagerSplit"],
"Prompt Manager (Split)",
)
focused = self.package.NODE_CLASS_MAPPINGS["PromptManagerFocused"]
self.assertTrue(issubclass(node, focused))
self.assertEqual(node.INPUT_TYPES(), focused.INPUT_TYPES())
def test_db_factory_returns_the_shared_database(self):
self.assertIsNotNone(self.package._global_db)
self.assertIs(self.package._db_factory(), self.package._global_db)
self.assertEqual(
os.path.normcase(os.path.realpath(self.package._global_db.model.db_path)),
os.path.normcase(os.path.realpath(self.db_path)),
)
def test_db_factory_raises_while_the_database_is_unavailable(self):
with mock.patch.object(self.package, "_global_db", None):
with self.assertRaisesRegex(RuntimeError, "database unavailable"):
self.package._db_factory()
def test_queue_hook_is_registered_and_the_queue_get_is_wrapped(self):
self.assertEqual(len(self.server.handlers), 1)
self.assertTrue(
getattr(self.server.prompt_queue.get, "_prompt_manager_dequeue_hook", False)
)
def test_image_monitor_watches_the_stubbed_output_directory(self):
status = self.package._global_image_monitor.get_status()
self.assertTrue(status["running"])
self.assertEqual(
[
os.path.normcase(os.path.realpath(d))
for d in status["monitored_directories"]
],
[os.path.normcase(os.path.realpath(self.output_dir))],
)
class TestPackageWithoutDatabase(PackageTestCase):
"""The database failing to initialise must not break the queue hook."""
package_name = "prompt_manager_pkg_nodb"
@classmethod
def make_db_path(cls, tmp):
blocker = os.path.join(tmp, "blocker")
with open(blocker, "w", encoding="utf-8") as f:
f.write("not a directory")
return os.path.join(blocker, "prompts.db") # parent is a file: init fails
def test_global_db_is_defined_but_unset(self):
self.assertIsNone(self.package._global_db)
with self.assertRaisesRegex(RuntimeError, "database unavailable"):
self.package._db_factory()
def test_queue_hook_still_registers_and_survives_a_dequeue(self):
self.assertEqual(len(self.server.handlers), 1)
request = self.server.handlers[0](
{"prompt": {"1": {"class_type": "PromptManager", "inputs": {"text": "x"}}}}
)
self.server.prompt_queue.results.append(
((0, request["prompt_id"], request["prompt"], {}, [], False), 1)
)
self.assertIsNotNone(self.server.prompt_queue.get())
class TestVersion(PackageTestCase):
def test_version_comes_from_pyproject(self):
import re
with open(os.path.join(ROOT, "pyproject.toml"), encoding="utf-8") as f:
expected = re.search(r'version\s*=\s*["\']([^"\']+)["\']', f.read())
self.assertEqual(self.package.get_version(), expected.group(1))
def test_unreadable_pyproject_gives_unknown(self):
with mock.patch.object(self.package, "Path", side_effect=OSError("denied")):
self.assertEqual(self.package.get_version(), "unknown")
missing = mock.Mock()
missing.parent.__truediv__ = lambda self_, name: mock.Mock(exists=lambda: False)
with mock.patch.object(self.package, "Path", return_value=missing):
self.assertEqual(self.package.get_version(), "unknown")
class TestPackageWhenHookRegistrationFails(PackageTestCase):
"""A server that rejects the hook must not break the rest of the package."""
package_name = "prompt_manager_pkg_nohook"
@classmethod
def make_server(cls):
module = fake_server_module()
instance = module.PromptServer.instance
def reject(handler):
raise RuntimeError("hooks unsupported")
instance.add_on_prompt_handler = reject
return module
def test_nodes_and_monitoring_still_come_up(self):
self.assertIn("PromptManager", self.package.NODE_CLASS_MAPPINGS)
self.assertIsNotNone(self.package._global_db)
self.assertTrue(self.package._global_image_monitor.is_monitoring)
self.assertEqual(self.server.handlers, [])
if __name__ == "__main__":
unittest.main()
class TestConsoleBanner(unittest.TestCase):
"""Loading the node must not depend on the console being able to print emoji."""
def test_package_loads_with_a_cp1252_console(self):
tmp = tempfile.TemporaryDirectory()
self.addCleanup(tmp.cleanup)
self.addCleanup(close_every_database)
output_dir = os.path.join(tmp.name, "output")
os.makedirs(output_dir)
name = "prompt_manager_pkg_cp1252"
stream = io.TextIOWrapper(io.BytesIO(), encoding="cp1252", errors="strict")
package_context = contextlib.ExitStack()
self.addCleanup(package_context.close)
with contextlib.redirect_stdout(stream):
package, _ = package_context.enter_context(
load_package(name, os.path.join(tmp.name, "p.db"), output_dir)
)
self.addCleanup(sys.modules.pop, name, None)
monitor = getattr(package, "_global_image_monitor", None)
if monitor is not None:
self.addCleanup(monitor.stop_monitoring)
stream.flush()
banner = stream.buffer.getvalue().decode("cp1252")
self.assertIn("Loaded:", banner)
class PriorFileHandler(logging.FileHandler):
"""A caller-owned sink that stays closed once its owner closes it.
``FileHandler.emit`` reopens the file when ``stream`` is None, so a record
that selected this handler before ``close()`` would reopen prior.log after
it, and Windows then refuses the temp directory cleanup (WinError 32).
``Handler.handle`` and ``FileHandler.close`` hold the same handler lock, so
checking ``_closed`` in ``emit`` is race free (as in the product's
``_OwnedRotatingFileHandler``).
"""
def emit(self, record):
if not self._closed:
super().emit(record)
class TestPackageLoggerIsolation(unittest.TestCase):
def setUp(self):
self.tmp = tempfile.TemporaryDirectory()
self.addCleanup(self.tmp.cleanup)
# Runs after restore_logging, before the cleanup Windows refuses while
# prior.log is open; /proc makes Linux fail the same way.
self.addCleanup(self.assert_tmp_has_no_open_handles)
self.logger = logging.getLogger("prompt_manager")
self.previous = (
self.logger.handlers[:],
self.logger.level,
self.logger.propagate,
self.logger.disabled,
)
self.addCleanup(self.restore_logging)
self.path = os.path.join(self.tmp.name, "prior.log")
self.handler = PriorFileHandler(self.path)
self.logger.handlers = [self.handler]
self.logger.setLevel(logging.DEBUG)
self.logger.propagate = True
self.logger.disabled = True
self.child = logging.getLogger("prompt_manager.database")
self.child_previous = self.child.level
self.addCleanup(self.child.setLevel, self.child_previous)
self.child.setLevel(logging.ERROR)
self.saved_modules = {
key: sys.modules.get(key) for key in ("server", "folder_paths")
}
self.saved_config = os.environ.get("PROMPT_MANAGER_CONFIG_PATH")
self.server = fake_server_module()
self.server.PromptServer.instance.prompt_queue.task_done = lambda *a, **k: None
def restore_logging(self):
# Detach before closing, so new records stop selecting these handlers.
retired = [h for h in self.logger.handlers if h not in self.previous[0]]
(
self.logger.handlers,
self.logger.level,
self.logger.propagate,
self.logger.disabled,
) = self.previous
for handler in retired:
handler.close()
self.handler.close()
def assert_tmp_has_no_open_handles(self):
self.assertEqual(open_handles_under(self.tmp.name), [])
def assert_logging_restored(self, handlers, registration):
for key, module in self.saved_modules.items():
self.assertIs(sys.modules.get(key), module)
self.assertEqual(
os.environ.get("PROMPT_MANAGER_CONFIG_PATH"), self.saved_config
)
self.assertEqual(self.logger.handlers, [self.handler])
self.assertEqual(self.logger.level, logging.DEBUG)
self.assertTrue(self.logger.propagate)
self.assertTrue(self.logger.disabled)
self.assertEqual(self.child.level, logging.ERROR)
self.assertFalse(self.handler.stream.closed)
self.assertTrue(all(handler.stream is None for handler in handlers))
self.assertFalse(registration.writer.status().alive)
self.logger.disabled = False
self.logger.warning("prior logging still works")
self.logger.disabled = True
self.handler.flush()
with open(self.path, encoding="utf-8") as log:
self.assertIn("prior logging still works", log.read())
def test_package_scope_closes_its_handlers_after_worker_disposal(self):
with contextlib.redirect_stdout(io.StringIO()):
with load_package(
"prompt_manager_pkg_logger_scope",
os.path.join(self.tmp.name, "p.db"),
self.tmp.name,
self.server,
) as (package, _):
handlers = [
h
for h in self.logger.handlers
if isinstance(h, logging.FileHandler)
]
self.assertTrue(handlers)
registration = package._history_registration
original_dispose = registration.dispose
open_at_disposal = []
def dispose(timeout=2):
open_at_disposal.append(all(h.stream is not None for h in handlers))
return original_dispose(timeout)
registration.dispose = dispose
self.assertEqual(open_at_disposal, [True])
self.assert_logging_restored(handlers, registration)
def test_record_in_flight_at_restore_cannot_reopen_prior_log(self):
"""A record that selected prior.log before restore never reopens it.
Leaked daemon threads of other tests (image workers, watchdog) log
under ``prompt_manager.*``. One that reaches the prior handler while
restore_logging closes it would, with a plain FileHandler, reopen the
file on emit and keep it open through TemporaryDirectory.cleanup().
"""
message = "record selected before restore_logging"
selected = threading.Event()
resume = threading.Event()
errors = []
def pause_before_handler_lock(record):
if record.getMessage() == message:
selected.set()
if not resume.wait(5):
raise RuntimeError("logging thread was not released")
return True
def log_from_background_thread():
try:
logging.getLogger("prompt_manager.late_emitter").warning(message)
except BaseException as error:
errors.append(error)
self.handler.addFilter(pause_before_handler_lock)
worker = threading.Thread(target=log_from_background_thread, daemon=True)
worker.start()
try:
self.assertTrue(selected.wait(5), "record did not select prior.log")
self.restore_logging()
self.assertIsNone(self.handler.stream)
finally:
resume.set()
worker.join(5)
self.assertFalse(worker.is_alive(), "logging thread did not finish")
self.assertEqual(errors, [])
self.assertIsNone(self.handler.stream)
self.assert_tmp_has_no_open_handles()
with open(self.path, encoding="utf-8") as log:
self.assertNotIn(message, log.read())
def test_failed_package_import_closes_handlers_and_restores_logging(self):
name = "prompt_manager_pkg_logger_failure"
captured = {}
original_print = print
def fail_banner(*args, **kwargs):
if any("Total:" in str(arg) for arg in args):
captured["package"] = sys.modules[name]
captured["handlers"] = [
h
for h in self.logger.handlers
if isinstance(h, logging.FileHandler)
]
raise RuntimeError("injected banner failure")
return original_print(*args, **kwargs)
with (
contextlib.redirect_stdout(io.StringIO()),
mock.patch("builtins.print", side_effect=fail_banner),
):
with self.assertRaisesRegex(RuntimeError, "injected banner failure"):
with load_package(
name,
os.path.join(self.tmp.name, "p.db"),
self.tmp.name,
self.server,
):
self.fail("failed import yielded a package")
self.assertNotIn(name, sys.modules)
self.assertTrue(captured["handlers"])
self.assert_logging_restored(
captured["handlers"], captured["package"]._history_registration
)