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trex-core/tests/application/test_reconciliation.py
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"""Position reconciliation tests (REQ-031)."""
from __future__ import annotations
from trex_core.application.broker_port import BalanceItem
from trex_core.application.portfolio import PortfolioItem, SnapshotStore
from trex_core.application.reconciliation import reconcile_positions
class FakeBroker:
def __init__(self, balances):
self._b = balances
def name(self): return "fake"
def submit_order(self, req): ...
def poll_fill(self, *args, **kw): ...
def cancel_order(self, *args, **kw): ...
def get_balance(self): return list(self._b)
def _store_with(*items):
store = SnapshotStore()
store.swap(list(items))
return store
def test_mismatch_raises_warning_and_masks_asset():
store = _store_with(
PortfolioItem(portfolio_id="pf-A", symbol="005930",
cash_balance=0, asset_quantity=10),
)
broker = FakeBroker([BalanceItem(symbol="005930", hldg_qty=7)]) # mismatch
decisions = reconcile_positions(store=store, broker=broker)
assert decisions["pf-A"] == "warning"
assert store.warnings() == {"pf-A"}
def test_subsequent_match_auto_clears_warning():
store = _store_with(
PortfolioItem(portfolio_id="pf-A", symbol="005930",
cash_balance=0, asset_quantity=10),
)
# round 1 — mismatch
reconcile_positions(store=store, broker=FakeBroker([BalanceItem("005930", 7)]))
assert "pf-A" in store.warnings()
# round 2 — match
decisions = reconcile_positions(store=store, broker=FakeBroker([BalanceItem("005930", 10)]))
assert decisions["pf-A"] == "cleared"
assert store.warnings() == set()
def test_multiple_portfolios_same_symbol_aggregate():
store = _store_with(
PortfolioItem(portfolio_id="pf-A", symbol="005930",
cash_balance=0, asset_quantity=6),
PortfolioItem(portfolio_id="pf-B", symbol="005930",
cash_balance=0, asset_quantity=4),
)
# hub total 6+4=10 == broker 10 → both ok
decisions = reconcile_positions(
store=store, broker=FakeBroker([BalanceItem("005930", 10)]),
)
assert decisions == {"pf-A": "ok", "pf-B": "ok"}
assert store.warnings() == set()
def test_paper_broker_returns_deterministic_balance():
"""REQ-031 AC-3: paper stub provides deterministic balance."""
from trex_core.adapters.broker.paper import PaperBroker
from trex_core.application.broker_port import OrderRequest
broker = PaperBroker(fill_after_polls=0)
ack = broker.submit_order(OrderRequest(slot_id="s", side="buy",
symbol="005930", qty=10, limit_price=1000))
broker.poll_fill(ack.broker_order_id, side="buy", symbol="005930") # fill
balances = broker.get_balance()
assert len(balances) == 1
assert balances[0].symbol == "005930"
assert balances[0].hldg_qty == 10
# zero-qty rows dropped (D-2 0-qty leftover semantics)
ack2 = broker.submit_order(OrderRequest(slot_id="s2", side="buy",
symbol="000660", qty=5, limit_price=500))
broker.poll_fill(ack2.broker_order_id, side="buy", symbol="000660")
ack3 = broker.submit_order(OrderRequest(slot_id="s3", side="sell",
symbol="000660", qty=5, limit_price=500))
broker.poll_fill(ack3.broker_order_id, side="sell", symbol="000660")
syms = {b.symbol for b in broker.get_balance()}
assert "000660" not in syms # net 0 → dropped
assert "005930" in syms