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Python

"""Unit tests for point-in-time earnings calendar loading."""
from __future__ import annotations
import datetime as dt
import pyarrow as pa
import pyarrow.parquet as pq
from libs.backtest.earnings_calendar import (
OraclePointInTimeEarningsCalendar,
load_pit_earnings_calendar,
)
def test_pit_earnings_calendar_respects_as_of_revisions(tmp_path):
path = tmp_path / "earnings_calendar_pit.parquet"
table = pa.Table.from_pylist(
[
{
"symbol": "AMD",
"as_of_date": "2026-01-05",
"expected_reaction_date": "2026-01-09",
"expected_event_date": "2026-01-08",
"filing_time_bucket": "post_market",
"is_cancelled": False,
},
{
"symbol": "AMD",
"as_of_date": "2026-01-07",
"expected_reaction_date": "2026-01-12",
"expected_event_date": "2026-01-09",
"filing_time_bucket": "post_market",
"is_cancelled": False,
},
{
"symbol": "NVDA",
"as_of_date": "2026-01-05",
"expected_reaction_date": "2026-01-09",
"expected_event_date": "2026-01-08",
"is_cancelled": True,
},
]
)
pq.write_table(table, path)
load_pit_earnings_calendar.cache_clear()
calendar = load_pit_earnings_calendar(str(path))
early = calendar.get_known_upcoming_reaction_dates(
as_of_date=dt.date(2026, 1, 6),
allowed_reaction_dates=[dt.date(2026, 1, 9), dt.date(2026, 1, 12)],
)
late = calendar.get_known_upcoming_reaction_dates(
as_of_date=dt.date(2026, 1, 8),
allowed_reaction_dates=[dt.date(2026, 1, 9), dt.date(2026, 1, 12)],
)
assert early == {"AMD": dt.date(2026, 1, 9)}
assert late == {"AMD": dt.date(2026, 1, 12)}
class _FakeResponse:
def __init__(self, payload: dict[str, object], status_code: int = 200) -> None:
self._payload = payload
self.status_code = status_code
def raise_for_status(self) -> None:
if self.status_code >= 400:
raise RuntimeError(f"http {self.status_code}")
def json(self) -> dict[str, object]:
return self._payload
class _FakeSession:
def __init__(self) -> None:
self.calls: list[tuple[str, dict[str, object]]] = []
def post(self, url: str, json: dict[str, object], timeout: float) -> _FakeResponse:
self.calls.append((url, json))
return _FakeResponse(
{
"entries": [
{
"symbol": "AMD",
"earnings_date": "2026-01-08T21:00:00Z",
"earnings_time": "post_market",
"estimated_eps": 1.09,
"reported_eps": 1.11,
"source": "oracle",
"fetched_at": "2026-04-02T00:00:00Z",
},
{
"symbol": "CRM",
"earnings_date": "2026-01-12T14:00:00Z",
"earnings_time": "pre_market",
"estimated_eps": 2.22,
"reported_eps": 2.30,
"source": "oracle",
"fetched_at": "2026-04-02T00:00:00Z",
},
]
}
)
def test_oracle_pit_earnings_calendar_uses_bulk_endpoint():
session = _FakeSession()
calendar = OraclePointInTimeEarningsCalendar(
"http://oracle:18001",
timeout=12.0,
session=session,
)
matches = calendar.get_known_upcoming_reaction_dates(
as_of_date=dt.date(2026, 1, 6),
allowed_reaction_dates=[dt.date(2026, 1, 9)],
symbols=["AMD", "CRM", "NVDA"],
)
assert matches == {
"AMD": dt.date(2026, 1, 9),
}
assert len(session.calls) == 1
url, payload = session.calls[0]
assert url == "http://oracle:18001/api/v1/earnings/calendar/bulk"
assert payload["symbols"] == ["AMD", "CRM", "NVDA"]
assert payload["as_of_date"] == "2026-01-06"
assert payload["days_ahead"] == 3