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fix(dataflows): include the analysis day in the Alpha Vantage news window

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- time_to was midnight starting the end date, dropping that day's news
This commit is contained in:
Yijia-Xiao
2026-09-17 23:37:43 +00:00
parent c3bb991974
commit 04b691804c
3 changed files with 27 additions and 5 deletions
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17
tests/test_alpha_vantage_hardening.py
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@@ -166,3 +166,20 @@ def test_global_news_omitted_optionals_use_the_configured_defaults(monkeypatch):
alpha_vantage_news.get_global_news("2026-08-14", None, None)
assert seen["time_from"].startswith("20260811") and seen["limit"] == "9"
@pytest.mark.unit
def test_the_news_window_includes_the_analysis_day(monkeypatch):
"""time_to was midnight at the start of the end date, so everything
published during the analysis day, the most decision-relevant day, was
excluded. The yfinance path includes it."""
from tradingagents.dataflows import alpha_vantage_news
seen = {}
monkeypatch.setattr(alpha_vantage_news, "_make_api_request",
lambda fn, params: seen.update(params) or "{}")
alpha_vantage_news.get_news("AAPL", "2026-03-10", "2026-03-14")
assert seen["time_from"] == "20260310T0000"
assert seen["time_to"] == "20260314T2359"