yuxuanhui
112 lines
3.5 KiB
Python
112 lines
3.5 KiB
Python
from datetime import date
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from decimal import Decimal
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import pytest
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from zhixing_server.modules.market_data.domain.fingerprint import (
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SnapshotChange,
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compare_snapshots,
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snapshot_fingerprint,
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)
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from zhixing_server.modules.market_data.domain.models import (
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Bar,
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DailyBasic,
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Stock,
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SyncWindow,
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decimal_text,
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)
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from zhixing_server.modules.market_data.domain.rules import filter_current_hs_a_stocks
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def make_bar(trade_date: date, close: str = "10") -> Bar:
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return Bar(
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ts_code="000001.SZ",
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trade_date=trade_date,
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open=Decimal("9"),
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high=Decimal(close),
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low=Decimal("8"),
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close=Decimal(close),
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pre_close=Decimal("9"),
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change=Decimal("1"),
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pct_chg=Decimal("11.11"),
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vol=Decimal("100"),
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amount=Decimal("1000"),
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)
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def test_window_uses_inclusive_calendar_boundary() -> None:
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window = SyncWindow.from_target(date(2024, 2, 29))
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assert window.start == date(2018, 2, 28)
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assert window.end == date(2024, 2, 29)
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assert window.contains(date(2018, 2, 28))
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def test_daily_basic_maps_nan_to_none_but_rejects_infinite_values() -> None:
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row = DailyBasic.from_mapping(
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{
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"ts_code": "000001.SZ",
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"trade_date": "20240102",
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"pe": float("nan"),
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"pb": "NaN",
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}
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)
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assert row.pe is None
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assert row.pb is None
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for infinite_value in (float("inf"), float("-inf")):
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with pytest.raises(ValueError, match="must be finite"):
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DailyBasic.from_mapping(
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{
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"ts_code": "000001.SZ",
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"trade_date": "20240102",
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"pe": infinite_value,
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}
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)
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def test_decimal_text_rejects_non_finite_domain_values() -> None:
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for value in (Decimal("NaN"), Decimal("Infinity"), Decimal("-Infinity")):
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with pytest.raises(ValueError, match="must be finite"):
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decimal_text(value)
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def test_universe_keeps_current_non_st_hs_a_stocks() -> None:
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stocks = (
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Stock("000001.SZ", "平安银行", exchange="SZSE", list_status="L"),
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Stock("600000.SH", "浦发银行", exchange="SSE", list_status="L"),
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Stock("300001.SZ", "特锐德", exchange="SZSE", list_status="L"),
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Stock("600001.SH", "*ST风险", exchange="SSE", list_status="L"),
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Stock("830001.BJ", "北交所", exchange="BSE", list_status="L"),
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)
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assert [stock.ts_code for stock in filter_current_hs_a_stocks(stocks)] == [
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"000001.SZ",
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"300001.SZ",
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"600000.SH",
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]
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def test_fingerprint_is_order_independent_and_excludes_runtime_metadata() -> None:
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rows = (make_bar(date(2024, 1, 2)), make_bar(date(2024, 1, 3)))
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assert snapshot_fingerprint(rows) == snapshot_fingerprint(tuple(reversed(rows)))
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assert compare_snapshots(rows, rows).change is SnapshotChange.UNCHANGED
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assert (
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compare_snapshots(rows, (*rows, make_bar(date(2024, 1, 4)))).change
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is SnapshotChange.NEW_DATES
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)
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def test_fingerprint_detects_repairs_missing_rows_and_earlier_rows() -> None:
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old = (make_bar(date(2024, 1, 2)), make_bar(date(2024, 1, 3)))
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changed = (make_bar(date(2024, 1, 2), close="11"), make_bar(date(2024, 1, 3)))
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missing = (make_bar(date(2024, 1, 2)),)
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earlier = (make_bar(date(2024, 1, 1)), *old)
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assert compare_snapshots(old, changed).change is SnapshotChange.CHANGED
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assert compare_snapshots(old, missing).change is SnapshotChange.CHANGED
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assert compare_snapshots(old, earlier).change is SnapshotChange.CHANGED
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