read.markets/tests/test_ticker_validate.py
Giorgio Gilestro 30e565909f ticker-validate: mount router at /api/ticker/*
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-27 14:48:00 +02:00

278 lines
9.6 KiB
Python

"""Tests for /api/ticker/validate and /api/ticker/historical."""
from __future__ import annotations
from datetime import datetime, timezone
from io import BytesIO
from types import SimpleNamespace
from unittest.mock import AsyncMock
import pytest
def _build_session_factory(tmp_path):
"""Spin up a fresh in-memory schema and return (engine, factory, setup).
Mirrors tests/test_llm_csv_parser.py / tests/test_referral_conversion.py."""
from sqlalchemy.ext.asyncio import async_sessionmaker, create_async_engine
from app import db as db_mod
from app.db import Base
import app.models # noqa: F401
engine = create_async_engine(f"sqlite+aiosqlite:///{tmp_path}/tv.db")
factory = async_sessionmaker(engine, expire_on_commit=False)
db_mod._engine = engine
db_mod._session_factory = factory
async def _setup():
async with engine.begin() as conn:
await conn.run_sync(Base.metadata.create_all)
return engine, factory, _setup
@pytest.mark.asyncio
async def test_validate_happy_path(tmp_path, monkeypatch):
from app.routers.ticker_validate import validate_ticker
from app.services.market import Quote
import app.routers.ticker_validate as mod
_, factory, setup = _build_session_factory(tmp_path)
await setup()
# Mock fetch_yahoo to return a successful quote.
async def _fake_yahoo(client, symbol, label, note, anchor=None):
return Quote(
symbol=symbol, source="yahoo", label=label, note=note,
price=172.40, currency="USD", as_of="2026-05-27", changes={},
)
monkeypatch.setattr(mod, "fetch_yahoo", _fake_yahoo)
# Avoid the MySQL-only upsert on SQLite.
async def _fake_upsert(session, tickers):
return len(list(tickers))
monkeypatch.setattr(mod, "upsert_tickers", _fake_upsert)
async with factory() as session:
result = await validate_ticker(symbol="aapl", session=session)
assert result["ok"] is True
assert result["symbol"] == "AAPL"
assert result["price"] == 172.40
assert result["currency"] == "USD"
assert result["as_of"] == "2026-05-27"
@pytest.mark.asyncio
async def test_validate_unknown_symbol(tmp_path, monkeypatch):
from app.routers.ticker_validate import validate_ticker
from app.services.market import Quote
import app.routers.ticker_validate as mod
_, factory, setup = _build_session_factory(tmp_path)
await setup()
# Mock fetch_yahoo to return a Quote with error and no price.
async def _fake_yahoo(client, symbol, label, note, anchor=None):
return Quote(symbol=symbol, source="yahoo", label=label, note=note,
price=None, currency=None, as_of=None,
error="empty result")
monkeypatch.setattr(mod, "fetch_yahoo", _fake_yahoo)
async with factory() as session:
result = await validate_ticker(symbol="XYZNOTREAL", session=session)
assert result["ok"] is False
assert "not recognised" in result["error"].lower()
@pytest.mark.asyncio
async def test_validate_empty_symbol_rejects():
from app.routers.ticker_validate import validate_ticker
# Direct call — no session needed because we short-circuit before any DB use.
result = await validate_ticker(symbol=" ", session=None)
assert result["ok"] is False
assert "required" in result["error"].lower()
@pytest.mark.asyncio
async def test_validate_seeds_universe_and_quote(tmp_path, monkeypatch):
"""Side-effect check: on success, the symbol is upserted into the
universe and a Quote row is written."""
from sqlalchemy import select
from app.models import Quote as QuoteModel
from app.routers.ticker_validate import validate_ticker
from app.services.market import Quote
import app.routers.ticker_validate as mod
_, factory, setup = _build_session_factory(tmp_path)
await setup()
upsert_calls: list[list[str]] = []
async def _fake_yahoo(client, symbol, label, note, anchor=None):
return Quote(symbol=symbol, source="yahoo", label=label, note=note,
price=100.0, currency="USD", as_of="2026-05-27", changes={})
monkeypatch.setattr(mod, "fetch_yahoo", _fake_yahoo)
async def _fake_upsert(session, tickers):
upsert_calls.append(list(tickers))
return len(list(tickers))
monkeypatch.setattr(mod, "upsert_tickers", _fake_upsert)
async with factory() as session:
result = await validate_ticker(symbol="MSFT", session=session)
assert result["ok"] is True
assert upsert_calls == [["MSFT"]]
# Quote row was written.
async with factory() as session:
rows = (await session.execute(
select(QuoteModel).where(QuoteModel.symbol == "MSFT")
)).scalars().all()
assert len(rows) == 1
assert rows[0].price == 100.0
assert rows[0].currency == "USD"
@pytest.mark.asyncio
async def test_historical_happy_path(monkeypatch):
from app.routers.ticker_validate import get_historical
import app.routers.ticker_validate as mod
async def _fake_hist(client, symbol, target_iso):
# close, currency, actual_iso
return 185.92, "USD", "2024-01-12"
monkeypatch.setattr(mod, "fetch_yahoo_historical", _fake_hist)
result = await get_historical(symbol="aapl", date="2024-01-15")
assert result["ok"] is True
assert result["close"] == 185.92
assert result["currency"] == "USD"
# 2024-01-15 was a Monday — but our fake says it walked back to Jan 12 (Fri).
assert result["actual_date"] == "2024-01-12"
@pytest.mark.asyncio
async def test_historical_future_date_rejected():
from fastapi import HTTPException
from app.routers.ticker_validate import get_historical
future = "2099-01-01"
with pytest.raises(HTTPException) as exc:
await get_historical(symbol="AAPL", date=future)
assert exc.value.status_code == 400
assert "future" in str(exc.value.detail).lower()
@pytest.mark.asyncio
async def test_historical_bad_date_format_rejected():
from fastapi import HTTPException
from app.routers.ticker_validate import get_historical
with pytest.raises(HTTPException) as exc:
await get_historical(symbol="AAPL", date="not-a-date")
assert exc.value.status_code == 400
@pytest.mark.asyncio
async def test_historical_no_data(monkeypatch):
from app.routers.ticker_validate import get_historical
import app.routers.ticker_validate as mod
async def _fake_hist(client, symbol, target_iso):
return None, None, None
monkeypatch.setattr(mod, "fetch_yahoo_historical", _fake_hist)
result = await get_historical(symbol="ZZZNEW", date="2020-01-15")
assert result["ok"] is False
assert "no data" in result["error"].lower()
@pytest.mark.asyncio
async def test_historical_provider_failure(monkeypatch):
import httpx
from app.routers.ticker_validate import get_historical
import app.routers.ticker_validate as mod
async def _fake_hist(client, symbol, target_iso):
raise httpx.RequestError("connection failed")
monkeypatch.setattr(mod, "fetch_yahoo_historical", _fake_hist)
result = await get_historical(symbol="AAPL", date="2024-01-15")
assert result["ok"] is False
assert "couldn" in result["error"].lower() or "fetch" in result["error"].lower()
@pytest.mark.asyncio
async def test_fetch_yahoo_historical_walks_back_to_preceding_trading_day(monkeypatch):
"""Unit test for the helper itself: feed a hand-crafted series with a
weekend gap, ask for the Saturday close, expect Friday's close."""
from app.routers.ticker_validate import fetch_yahoo_historical
# Build a fake httpx client that returns a chart payload with a
# Thu-Fri-Mon-Tue series; we ask for Saturday and expect Friday.
thu_ts = int(datetime(2024, 1, 11, tzinfo=timezone.utc).timestamp())
fri_ts = int(datetime(2024, 1, 12, tzinfo=timezone.utc).timestamp())
mon_ts = int(datetime(2024, 1, 15, tzinfo=timezone.utc).timestamp())
payload = {
"chart": {"result": [{
"meta": {"currency": "USD"},
"timestamp": [thu_ts, fri_ts, mon_ts],
"indicators": {"quote": [{"close": [184.0, 185.92, 186.10]}]},
}]}
}
class _FakeResponse:
def __init__(self, data): self._data = data
def json(self): return self._data
def raise_for_status(self): pass
class _FakeClient:
async def get(self, *args, **kwargs):
return _FakeResponse(payload)
close, currency, actual = await fetch_yahoo_historical(
_FakeClient(), "AAPL", "2024-01-13", # a Saturday
)
assert close == 185.92
assert currency == "USD"
assert actual == "2024-01-12"
def test_validate_route_requires_paid():
"""Static check that the /ticker/validate route is gated by require_paid."""
from app.routers.ticker_validate import router
from app.services.access import require_paid
route = next(
r for r in router.routes
if getattr(r, "path", "") == "/ticker/validate"
)
dep_callables = [d.call for d in route.dependant.dependencies]
assert require_paid in dep_callables
def test_historical_route_requires_paid():
from app.routers.ticker_validate import router
from app.services.access import require_paid
route = next(
r for r in router.routes
if getattr(r, "path", "") == "/ticker/historical"
)
dep_callables = [d.call for d in route.dependant.dependencies]
assert require_paid in dep_callables
def test_routes_mounted_under_api_prefix():
"""Confirm the router is mounted on the FastAPI app under /api."""
from app.main import app
paths = {getattr(r, "path", "") for r in app.routes}
assert "/api/ticker/validate" in paths
assert "/api/ticker/historical" in paths