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trex-core/tests/application/test_snapshot_handler.py
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Python

"""Snapshot RPC handler envelope path (REQ-028 AC-1/AC-2/AC-3)."""
from __future__ import annotations
from datetime import date
from trex_core.application.messaging import RpcRequest
from trex_core.application.messaging_handlers import make_snapshot_rpc_handler
from trex_core.application.portfolio import (
DegradedReason,
InMemoryPauseStore,
PortfolioItem,
SnapshotStore,
)
from trex_core.domain.slot import SlotService
from trex_core.domain.slot.in_memory_repository import InMemorySlotRepository
DAY = date(2026, 6, 5)
def _wire(items=None):
repo = InMemorySlotRepository()
svc = SlotService(repo)
svc.preallocate_daily_slots(DAY, 5)
store = SnapshotStore()
store.swap(items or [
PortfolioItem(portfolio_id="pf-A", symbol="005930",
cash_balance=1_000_000, asset_quantity=0,
active_strategy_id="target-value-v1",
strategy_params={"k": 1}),
])
pause = InMemoryPauseStore()
handler = make_snapshot_rpc_handler(
repo, svc,
snapshot_store=store, pause_store=pause, default_total_slots=5,
)
return store, pause, handler
def test_envelope_shape_returned():
_, _, handler = _wire()
resp = handler(RpcRequest(
payload={"view": "all", "trading_date": DAY.isoformat()},
correlation_id="snap-1",
))
body = resp.payload
assert set(body.keys()) == {"assets", "view", "available_slots", "degraded", "reason", "message"}
assert isinstance(body["assets"], list)
assert body["view"] == "all"
assert body["degraded"] is False
assert body["reason"] is None
def test_envelope_strategy_key_filter():
_, _, handler = _wire([
PortfolioItem(portfolio_id="x", symbol="X", cash_balance=0, asset_quantity=0,
active_strategy_id="alpha"),
PortfolioItem(portfolio_id="y", symbol="Y", cash_balance=0, asset_quantity=0,
active_strategy_id="beta"),
])
resp = handler(RpcRequest(
payload={"view": "all", "strategy_key": "alpha"}, correlation_id="snap-2",
))
pids = {a["asset_id"] for a in resp.payload["assets"]}
assert pids == {"x"}
def test_degraded_signal_does_not_leak_credentials():
store, _, handler = _wire()
store.set_degraded(
DegradedReason.PORTFOLIO_HUB_UNAVAILABLE,
"GET https://hub failed: 401 Bearer secret-token-abc",
)
resp = handler(RpcRequest(payload={"view": "all"}, correlation_id="snap-3"))
body = resp.payload
assert body["degraded"] is True
assert body["reason"] == "portfolio_hub_unavailable"
assert body["message"] is not None
assert "secret-token-abc" not in body["message"]
def test_bat007_legacy_path_when_stores_unset():
"""Make sure pre-BAT-008 callers still work (slots+capacity stub shape)."""
repo = InMemorySlotRepository()
svc = SlotService(repo)
svc.preallocate_daily_slots(DAY, 3)
handler = make_snapshot_rpc_handler(repo, svc)
resp = handler(RpcRequest(
payload={"view": "all", "trading_date": DAY.isoformat()}, correlation_id="legacy",
))
body = resp.payload
assert "slots" in body and "capacity" in body
assert "assets" not in body