mirror of
https://github.com/TauricResearch/TradingAgents.git
synced 2026-09-19 11:15:24 +03:00
8d64416436
- out-of-window articles no longer spend the article budget or cut the remaining searches short
260 lines
10 KiB
Python
260 lines
10 KiB
Python
"""yfinance news must not leak future-dated (or undated, in a backtest) articles
|
|
into a historical window.
|
|
|
|
Regressions for #992 (flat articles bypassed the date filter), #1007 (global
|
|
news injected future articles), #993 (empty-after-filter returned a blank body),
|
|
and #1126 (inclusive upper bound leaked the midnight-after article; host-local
|
|
timestamp parsing made filtering machine-dependent).
|
|
"""
|
|
from datetime import datetime, timezone
|
|
|
|
import pytest
|
|
|
|
import tradingagents.dataflows.yfinance_news as ynews
|
|
from tradingagents.dataflows.date_window import in_window
|
|
|
|
|
|
def _epoch(date_str):
|
|
"""Epoch seconds for UTC midnight of ``date_str`` (host-timezone independent)."""
|
|
return int(datetime.strptime(date_str, "%Y-%m-%d").replace(tzinfo=timezone.utc).timestamp())
|
|
|
|
|
|
@pytest.mark.unit
|
|
def test_flat_article_publish_time_is_parsed():
|
|
# #992: flat articles now carry a pub_date (was always None -> unfilterable).
|
|
# #1126: parsed as UTC-aware, so the date can't shift with the host timezone.
|
|
data = ynews._extract_article_data(
|
|
{"title": "X", "publisher": "P", "link": "l", "providerPublishTime": _epoch("2025-05-09")}
|
|
)
|
|
assert data["pub_date"] is not None
|
|
assert data["pub_date"].tzinfo is not None
|
|
assert data["pub_date"] == datetime(2025, 5, 9, tzinfo=timezone.utc)
|
|
|
|
|
|
@pytest.mark.unit
|
|
def test_window_excludes_future_and_undated_in_backtest():
|
|
start = datetime(2025, 5, 1)
|
|
end = datetime(2025, 5, 9) # historical window (well in the past)
|
|
inside = datetime(2025, 5, 5)
|
|
future = datetime(2025, 6, 1)
|
|
assert in_window(inside, start, end) is True
|
|
assert in_window(future, start, end) is False # look-ahead blocked
|
|
assert in_window(None, start, end) is False # undated -> excluded in backtest
|
|
|
|
|
|
@pytest.mark.unit
|
|
def test_window_keeps_undated_in_live_window():
|
|
# Live window (reaches today): undated articles can't be "future", so keep them.
|
|
now = datetime.now(timezone.utc)
|
|
assert in_window(None, now, now) is True
|
|
|
|
|
|
@pytest.mark.unit
|
|
def test_upper_bound_is_exclusive():
|
|
# #1126: an article stamped exactly midnight AFTER end_date leaked in under
|
|
# the old inclusive bound; the whole of end_date itself must still be kept.
|
|
start = datetime(2025, 5, 1)
|
|
end = datetime(2025, 5, 9)
|
|
midnight_after = datetime(2025, 5, 10, 0, 0, 0, tzinfo=timezone.utc)
|
|
last_moment = datetime(2025, 5, 9, 23, 59, 59, tzinfo=timezone.utc)
|
|
assert in_window(midnight_after, start, end) is False
|
|
assert in_window(last_moment, start, end) is True
|
|
|
|
|
|
@pytest.mark.unit
|
|
def test_offset_aware_timestamp_is_converted_not_truncated():
|
|
# #1126: 2025-05-10T01:00+05:00 is really 2025-05-09T20:00Z -> inside the
|
|
# window. Stripping tzinfo (old behavior) misread it as 05-10 and dropped it.
|
|
start = datetime(2025, 5, 1)
|
|
end = datetime(2025, 5, 9)
|
|
aware = datetime.fromisoformat("2025-05-10T01:00:00+05:00")
|
|
assert in_window(aware, start, end) is True
|
|
|
|
|
|
@pytest.mark.unit
|
|
def test_global_news_future_flat_article_excluded(monkeypatch):
|
|
# #1007: a flat, future-dated global article must not appear in a historical run.
|
|
future_article = {"title": "FUTURE EVENT", "publisher": "P", "link": "l",
|
|
"providerPublishTime": _epoch("2025-06-01")}
|
|
past_article = {"title": "PAST EVENT", "publisher": "P", "link": "l",
|
|
"providerPublishTime": _epoch("2025-05-05")}
|
|
|
|
class FakeSearch:
|
|
def __init__(self, *a, **k):
|
|
self.news = [future_article, past_article]
|
|
|
|
monkeypatch.setattr(ynews.yf, "Search", FakeSearch)
|
|
out = ynews.get_global_news_yfinance("2025-05-09", look_back_days=7, limit=10)
|
|
assert "PAST EVENT" in out
|
|
assert "FUTURE EVENT" not in out # #1007
|
|
|
|
|
|
@pytest.mark.unit
|
|
def test_global_news_empty_after_filter_is_informative(monkeypatch):
|
|
# #993: everything filtered out -> a clear message, not a blank-bodied report.
|
|
only_future = {"title": "FUTURE", "publisher": "P", "link": "l",
|
|
"providerPublishTime": _epoch("2025-06-01")}
|
|
|
|
class FakeSearch:
|
|
def __init__(self, *a, **k):
|
|
self.news = [only_future]
|
|
|
|
monkeypatch.setattr(ynews.yf, "Search", FakeSearch)
|
|
out = ynews.get_global_news_yfinance("2025-05-09", look_back_days=7, limit=10)
|
|
assert "###" not in out # no empty article body
|
|
# Only a later article came back, so the feed does not reach this window.
|
|
assert "unavailable" in out and "not an absence" in out
|
|
|
|
|
|
|
|
def _ticker_with(articles, monkeypatch):
|
|
class FakeTicker:
|
|
def __init__(self, *a, **k):
|
|
pass
|
|
|
|
def get_news(self, count=20):
|
|
return articles
|
|
|
|
monkeypatch.setattr(ynews.yf, "Ticker", FakeTicker)
|
|
|
|
|
|
@pytest.mark.unit
|
|
def test_ticker_news_window_before_feed_coverage_is_unavailable(monkeypatch):
|
|
# Yahoo serves only recent articles: a historical window gets none of them,
|
|
# which must read as "cannot answer", not "no news happened".
|
|
recent = [{"title": "RECENT", "publisher": "P", "link": "l",
|
|
"providerPublishTime": _epoch("2026-09-10")}]
|
|
_ticker_with(recent, monkeypatch)
|
|
out = ynews.get_news_yfinance("AAPL", "2026-08-07", "2026-08-14")
|
|
assert "RECENT" not in out
|
|
assert "unavailable" in out and "not an absence" in out
|
|
assert "2026-09-10" in out # says how far back the feed actually reaches
|
|
|
|
|
|
@pytest.mark.unit
|
|
def test_ticker_news_covered_but_empty_window_is_a_real_absence(monkeypatch):
|
|
articles = [{"title": "RECENT", "publisher": "P", "link": "l",
|
|
"providerPublishTime": _epoch("2026-09-10")},
|
|
{"title": "OLDER", "publisher": "P", "link": "l",
|
|
"providerPublishTime": _epoch("2026-07-01")}]
|
|
_ticker_with(articles, monkeypatch)
|
|
out = ynews.get_news_yfinance("AAPL", "2026-08-07", "2026-08-14")
|
|
assert "No news found" in out
|
|
assert "unavailable" not in out
|
|
|
|
|
|
@pytest.mark.unit
|
|
@pytest.mark.parametrize("dates, expect_gap", [
|
|
([], True), # empty feed: covers at most now
|
|
([None], True), # undated only: same
|
|
([datetime(2026, 5, 20, tzinfo=timezone.utc)], True), # all after the window
|
|
([datetime(2026, 5, 4, tzinfo=timezone.utc)], True), # starts mid-window: partial
|
|
([datetime(2026, 5, 1, 18, tzinfo=timezone.utc)], False), # reaches the first day
|
|
([datetime(2026, 5, 20, tzinfo=timezone.utc),
|
|
datetime(2026, 4, 1, tzinfo=timezone.utc)], False), # coverage reaches back
|
|
])
|
|
def test_coverage_gap_boundaries(dates, expect_gap):
|
|
from tradingagents.dataflows.date_window import coverage_gap
|
|
|
|
out = coverage_gap(dates, "2026-05-01", "2026-05-08", "Feed", "items")
|
|
assert (out is not None) is expect_gap
|
|
if expect_gap:
|
|
assert "unavailable for 2026-05-01..2026-05-08" in out and "not an absence" in out
|
|
|
|
|
|
|
|
@pytest.mark.unit
|
|
def test_ticker_news_empty_feed_for_a_past_window_is_unavailable(monkeypatch):
|
|
_ticker_with([], monkeypatch)
|
|
out = ynews.get_news_yfinance("AAPL", "2026-08-07", "2026-08-14")
|
|
assert "unavailable" in out and "not an absence" in out
|
|
|
|
|
|
@pytest.mark.unit
|
|
def test_ticker_news_null_feed_is_handled(monkeypatch):
|
|
# Yahoo can return None instead of a list; that is unavailability, not an error.
|
|
_ticker_with(None, monkeypatch)
|
|
out = ynews.get_news_yfinance("AAPL", "2026-08-07", "2026-08-14")
|
|
assert "unavailable" in out and "Error" not in out
|
|
|
|
|
|
@pytest.mark.unit
|
|
def test_global_news_empty_feed_for_a_past_window_is_unavailable(monkeypatch):
|
|
class FakeSearch:
|
|
def __init__(self, *a, **k):
|
|
self.news = []
|
|
|
|
monkeypatch.setattr(ynews.yf, "Search", FakeSearch)
|
|
out = ynews.get_global_news_yfinance("2025-05-09", look_back_days=7, limit=10)
|
|
assert "unavailable" in out and "not an absence" in out
|
|
|
|
|
|
@pytest.mark.unit
|
|
def test_global_news_does_not_infer_coverage_from_a_stale_search_hit(monkeypatch):
|
|
# Global news merges fuzzy searches; one old hit before the window says
|
|
# nothing about the days in between, so the window stays unavailable.
|
|
stale = {"title": "STALE", "publisher": "P", "link": "l", "providerPublishTime": _epoch("2025-01-01")}
|
|
fresh = {"title": "FRESH", "publisher": "P", "link": "l", "providerPublishTime": _epoch("2025-06-01")}
|
|
|
|
class FakeSearch:
|
|
def __init__(self, *a, **k):
|
|
self.news = [fresh, stale]
|
|
|
|
monkeypatch.setattr(ynews.yf, "Search", FakeSearch)
|
|
out = ynews.get_global_news_yfinance("2025-05-09", look_back_days=7, limit=10)
|
|
assert "unavailable" in out and "No global news found" not in out
|
|
|
|
|
|
@pytest.mark.unit
|
|
def test_coverage_gap_future_window_is_unavailable():
|
|
from datetime import timedelta
|
|
|
|
from tradingagents.dataflows.date_window import coverage_gap
|
|
today = datetime.now(timezone.utc).date()
|
|
out = coverage_gap([], str(today), str(today + timedelta(days=3)), "Feed", "items")
|
|
assert out is not None and "past today" in out
|
|
|
|
|
|
@pytest.mark.unit
|
|
def test_out_of_window_articles_do_not_consume_the_article_budget(monkeypatch):
|
|
"""The limit counts articles the run may see, not candidates fetched (#1356).
|
|
|
|
Out-of-window items were counted first, so they filled the budget, stopped
|
|
the remaining searches, and the in-window news was reported as absent.
|
|
"""
|
|
stale = [{"title": f"OLD {i}", "publisher": "P", "link": "l",
|
|
"providerPublishTime": _epoch("2025-01-01")} for i in range(2)]
|
|
wanted = {"title": "IN WINDOW", "publisher": "P", "link": "l",
|
|
"providerPublishTime": _epoch("2025-05-08")}
|
|
pages = [stale, [wanted]]
|
|
|
|
class FakeSearch:
|
|
def __init__(self, *a, **k):
|
|
self.news = pages.pop(0) if pages else []
|
|
|
|
monkeypatch.setattr(ynews.yf, "Search", FakeSearch)
|
|
monkeypatch.setattr(ynews, "get_config", lambda: {
|
|
"global_news_lookback_days": 7, "global_news_article_limit": 2,
|
|
"global_news_queries": ["markets", "economy"],
|
|
})
|
|
|
|
out = ynews.get_global_news_yfinance("2025-05-09")
|
|
|
|
assert "IN WINDOW" in out
|
|
assert "OLD 0" not in out
|
|
|
|
|
|
@pytest.mark.unit
|
|
def test_the_article_limit_still_caps_what_is_returned(monkeypatch):
|
|
articles = [{"title": f"NEWS {i}", "publisher": "P", "link": "l",
|
|
"providerPublishTime": _epoch("2025-05-08")} for i in range(5)]
|
|
|
|
class FakeSearch:
|
|
def __init__(self, *a, **k):
|
|
self.news = articles
|
|
|
|
monkeypatch.setattr(ynews.yf, "Search", FakeSearch)
|
|
out = ynews.get_global_news_yfinance("2025-05-09", look_back_days=7, limit=3)
|
|
|
|
assert out.count("### ") == 3
|