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jarca-ledger-mcp/tests/test_import_current_balance_authority.py
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Python

from types import SimpleNamespace
import sqlite3
from jarca_ledger_mcp import service
from jarca_ledger_mcp.application import imports_service
def _parsed(transaction, source_hash):
return {
"transactions": [transaction],
"validation": {"ok": True},
"source_hash": source_hash,
"metadata": {"final_balance": transaction.balance_after, "account_number_masked": ""},
"file_path": "/tmp/synthetic.pdf",
"page_count": 1,
}
def _transaction(date, balance, row):
return SimpleNamespace(
transaction_date=date,
transaction_datetime=f"{date} 10:00:00",
amount=100,
counterparty="상대",
raw_summary="이체",
branch="",
remittance_memo="",
balance_after=balance,
type="income",
page=1,
action="입금",
external_id=lambda source_hash: f"kb:{source_hash}:{row}",
raw_payload=lambda: "{}",
)
def test_late_import_current_balance_is_authoritative_by_evidence_basis_date(monkeypatch, tmp_path):
path = str(tmp_path / "ledger.sqlite3")
account = service.create_ledger_account(
"KB", institution="KB국민은행", db_path=path,
)["account"]["id"]
imports = iter(
(
(_transaction("2026-06-01", 700, 1), "hash-old"),
(_transaction("2026-06-30", 900, 2), "hash-new"),
)
)
monkeypatch.setattr(imports_service, "parse_kb_bank_pdf", lambda *_: _parsed(*next(imports)))
sync_times = iter(("2026-07-01T09:00:00", "2026-07-02T09:00:00"))
monkeypatch.setattr(imports_service, "now_iso", lambda: next(sync_times))
older = imports_service.import_kb_bank_pdf("older", "pw", account_id=account, db_path=path)
newer = imports_service.import_kb_bank_pdf("newer", "pw", account_id=account, db_path=path)
current = service.list_ledger_accounts(active_only=False, db_path=path)["accounts"][0]
valuations = service.list_account_valuations(account, db_path=path)["valuations"]
assert older["success"] and newer["success"]
assert current["last_balance"] == 900
assert current["last_synced_at"] == "2026-07-02T09:00:00"
assert current["last_balance_basis_date"] == "2026-06-30"
assert {(item["basis_date"], item["amount"]) for item in valuations} >= {
("2026-06-01", 700),
("2026-06-30", 900),
}
def test_account_write_sync_timestamp_does_not_infer_balance_basis_or_candidate(tmp_path):
path = str(tmp_path / "ledger.sqlite3")
unknown = service.create_ledger_account(
"기준일 미상",
last_balance=500,
last_synced_at="2026-07-01T09:00:00+09:00",
db_path=path,
)
assert unknown["success"] is True
assert unknown["account"]["last_balance_basis_date"] == ""
assert service.list_account_valuations(unknown["account"]["id"], db_path=path)["count"] == 0
dated = service.create_ledger_account(
"기준일 확인",
last_balance=600,
last_synced_at="2026-07-01T09:00:00+09:00",
db_path=path,
last_balance_basis_date="2026-06-30",
)
valuations = service.list_account_valuations(dated["account"]["id"], db_path=path)["valuations"]
assert dated["account"]["last_balance_basis_date"] == "2026-06-30"
assert [(item["basis_date"], item["amount"]) for item in valuations] == [("2026-06-30", 600)]
def test_unknown_legacy_balance_basis_is_not_reported_as_valuation_date(tmp_path):
path = str(tmp_path / "ledger.sqlite3")
account = service.create_ledger_account("legacy", db_path=path)["account"]["id"]
with sqlite3.connect(path) as conn:
conn.execute(
"UPDATE accounts SET last_balance=?, last_synced_at=?, last_balance_basis_date='' WHERE id=?",
(500, "2026-07-01T09:00:00+09:00", account),
)
report = service.get_asset_snapshot_report("2026-06-30", db_path=path)
excluded = next(item for item in report["excluded_items"] if item["source_id"] == account)
assert excluded["valuation_date"] == ""
assert excluded["last_synced_at"] == "2026-07-01T09:00:00+09:00"