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web-page-backend/stock-lab/app/screener/_test_fixtures.py

77 lines
2.7 KiB
Python

"""Synthetic fixtures for screener tests — no DB / no FDR / no naver."""
import datetime as dt
import pandas as pd
def make_master(tickers: list[str], market_caps: dict | None = None,
preferred: set | None = None, managed: set | None = None) -> pd.DataFrame:
market_caps = market_caps or {t: 100_000_000_000 for t in tickers}
preferred = preferred or set()
managed = managed or set()
return pd.DataFrame([
{
"ticker": t,
"name": f"테스트{t}",
"market": "KOSPI",
"market_cap": market_caps.get(t),
"is_managed": int(t in managed),
"is_preferred": int(t in preferred),
"is_spac": 0,
"listed_date": None,
}
for t in tickers
]).set_index("ticker")
def make_prices(tickers: list[str], days: int = 260, start_close: int = 50000,
trend_pct: float = 0.0,
asof: dt.date = dt.date(2026, 5, 12)) -> pd.DataFrame:
"""trend_pct: 일별 종가 등락률(%). 양수면 상승 추세."""
rows = []
for t in tickers:
close = start_close
for i in range(days):
day_idx = days - 1 - i # asof가 마지막
date = asof - dt.timedelta(days=day_idx)
high = int(close * 1.012)
low = int(close * 0.988)
rows.append({
"ticker": t, "date": date.isoformat(),
"open": close, "high": high, "low": low, "close": close,
"volume": 1_000_000, "value": close * 1_000_000,
})
close = int(close * (1 + trend_pct / 100))
return pd.DataFrame(rows)
def make_flow(tickers: list[str], days: int = 260,
foreign_per_day: dict | None = None,
asof: dt.date = dt.date(2026, 5, 12)) -> pd.DataFrame:
foreign_per_day = foreign_per_day or {t: 0 for t in tickers}
rows = []
for t in tickers:
for i in range(days):
day_idx = days - 1 - i
date = asof - dt.timedelta(days=day_idx)
rows.append({
"ticker": t, "date": date.isoformat(),
"foreign_net": foreign_per_day.get(t, 0),
"institution_net": 0,
})
return pd.DataFrame(rows)
def make_kospi(days: int = 260, start: int = 2500, trend_pct: float = 0.0,
asof: dt.date = dt.date(2026, 5, 12)) -> pd.Series:
values = []
dates = []
v = start
for i in range(days):
day_idx = days - 1 - i
d = asof - dt.timedelta(days=day_idx)
dates.append(d.isoformat())
values.append(v)
v = v * (1 + trend_pct / 100)
return pd.Series(values, index=dates, name="kospi")