test_cleanup.py
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from __future__ import annotations
from apps.web_api.bootstrap.cleanup import register_reload_safe_cleanup_handler
def test_register_reload_safe_cleanup_handler_replaces_previous_handler(monkeypatch):
previous_handler = lambda: None
current_handler = lambda: None
calls: list[tuple[str, object]] = []
monkeypatch.setattr(
"apps.web_api.bootstrap.cleanup.atexit.unregister",
lambda handler: calls.append(("unregister", handler)),
)
monkeypatch.setattr(
"apps.web_api.bootstrap.cleanup.atexit.register",
lambda handler: calls.append(("register", handler)),
)
returned_handler = register_reload_safe_cleanup_handler(current_handler, previous_handler)
assert returned_handler is current_handler
assert calls == [
("unregister", previous_handler),
("register", current_handler),
]
def test_register_reload_safe_cleanup_handler_ignores_unregister_failures(monkeypatch):
previous_handler = lambda: None
current_handler = lambda: None
calls: list[tuple[str, object]] = []
def _failing_unregister(handler):
calls.append(("unregister", handler))
raise RuntimeError("already removed")
monkeypatch.setattr(
"apps.web_api.bootstrap.cleanup.atexit.unregister",
_failing_unregister,
)
monkeypatch.setattr(
"apps.web_api.bootstrap.cleanup.atexit.register",
lambda handler: calls.append(("register", handler)),
)
returned_handler = register_reload_safe_cleanup_handler(current_handler, previous_handler)
assert returned_handler is current_handler
assert calls == [
("unregister", previous_handler),
("register", current_handler),
]