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chore: import upstream snapshot with attribution
2026-07-13 11:56:03 +08:00

96 lines
2.7 KiB
Python

"""Tests for tools/skill_provenance.py — write-origin ContextVar."""
import contextvars
def test_set_and_get_origin():
from tools.skill_provenance import (
set_current_write_origin,
reset_current_write_origin,
get_current_write_origin,
)
token = set_current_write_origin("background_review")
try:
assert get_current_write_origin() == "background_review"
finally:
reset_current_write_origin(token)
def test_reset_restores_prior_origin():
from tools.skill_provenance import (
set_current_write_origin,
reset_current_write_origin,
get_current_write_origin,
)
outer = set_current_write_origin("assistant_tool")
try:
inner = set_current_write_origin("background_review")
try:
assert get_current_write_origin() == "background_review"
finally:
reset_current_write_origin(inner)
assert get_current_write_origin() == "assistant_tool"
finally:
reset_current_write_origin(outer)
def test_is_background_review_truthy_only_for_review():
from tools.skill_provenance import (
set_current_write_origin,
reset_current_write_origin,
is_background_review,
BACKGROUND_REVIEW,
)
for origin, expected in (
("foreground", False),
("assistant_tool", False),
("random_other_value", False),
(BACKGROUND_REVIEW, True),
):
token = set_current_write_origin(origin)
try:
assert is_background_review() is expected, (
f"is_background_review() wrong for origin={origin!r}"
)
finally:
reset_current_write_origin(token)
def test_empty_origin_falls_back_to_foreground():
from tools.skill_provenance import (
set_current_write_origin,
reset_current_write_origin,
get_current_write_origin,
)
token = set_current_write_origin("")
try:
# Empty is coerced to "foreground" at the set() boundary.
assert get_current_write_origin() == "foreground"
finally:
reset_current_write_origin(token)
def test_context_isolation_between_copies():
"""ContextVar scoping: modifications in one copy do not leak out."""
from tools.skill_provenance import (
set_current_write_origin,
get_current_write_origin,
BACKGROUND_REVIEW,
)
# Start at the module default.
original = get_current_write_origin()
def _run_in_copy():
set_current_write_origin(BACKGROUND_REVIEW)
return get_current_write_origin()
ctx = contextvars.copy_context()
inside = ctx.run(_run_in_copy)
assert inside == BACKGROUND_REVIEW
# Parent context unaffected.
assert get_current_write_origin() == original