76 lines
3.5 KiB
Python
76 lines
3.5 KiB
Python
from datetime import date
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from decimal import Decimal
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from app.service.offsite_fund_rules import (
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OffsiteFundRuleEngine,
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normalize_amount_yuan,
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parse_application_date,
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)
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def test_subscription_minimum_amount_boundary() -> None:
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engine = OffsiteFundRuleEngine()
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below = engine.check_subscription(
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amount_yuan=Decimal("0.99"), nav=None, total_fund_shares=None,
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before_holding_shares=None)
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equal = engine.check_subscription(
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amount_yuan=Decimal("1.00"), nav=None, total_fund_shares=None,
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before_holding_shares=None)
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above = engine.check_subscription(
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amount_yuan=Decimal("1.01"), nav=None, total_fund_shares=None,
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before_holding_shares=None)
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assert below[0].result == "异常"
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assert equal[0].result == "异常"
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assert above[0].result == "正常"
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assert above[0].calculation["实际值"] == "1.01"
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assert above[0].calculation["规则值"] == "> 1 元"
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assert above[0].calculation["比较"] == "1.01 > 1 元"
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def test_subscription_ratio_and_share_limit_boundary() -> None:
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engine = OffsiteFundRuleEngine()
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normal = engine.check_subscription(
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amount_yuan=Decimal("100"), nav=Decimal("1"), total_fund_shares=Decimal("1000"),
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before_holding_shares=Decimal("100"))
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abnormal = engine.check_subscription(
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amount_yuan=Decimal("101"), nav=Decimal("1"), total_fund_shares=Decimal("1000"),
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before_holding_shares=Decimal("100"))
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assert {item.rule_code: item.result for item in normal}["subscription_holding_ratio"] == "正常"
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assert {item.rule_code: item.result for item in abnormal}[
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"subscription_holding_ratio"] == "异常"
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assert {item.rule_code: item.result for item in abnormal}[
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"subscription_single_share_limit"] == "异常"
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holding = {item.rule_code: item for item in normal}["subscription_holding_ratio"]
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assert holding.calculation["实际值"] == "20%"
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assert holding.calculation["规则值"] == "≤ 20%"
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assert holding.calculation["比较"] == "20% ≤ 20%"
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def test_redemption_ratio_and_available_quantity_boundary() -> None:
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engine = OffsiteFundRuleEngine()
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normal = engine.check_redemption(
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redemption_shares=Decimal("200"), total_fund_shares=Decimal("1000"),
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available_quantity=Decimal("200"))
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abnormal = engine.check_redemption(
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redemption_shares=Decimal("201"), total_fund_shares=Decimal("1000"),
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available_quantity=Decimal("200"))
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assert {item.rule_code: item.result for item in normal}["redemption_large_ratio"] == "正常"
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assert {item.rule_code: item.result for item in normal}[
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"redemption_available_quantity"] == "正常"
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assert {item.rule_code: item.result for item in abnormal}["redemption_large_ratio"] == "异常"
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assert {item.rule_code: item.result for item in abnormal}[
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"redemption_available_quantity"] == "异常"
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def test_normalize_amount_keeps_original_unit_semantics() -> None:
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assert normalize_amount_yuan("2.50", "万元") == Decimal("25000.00")
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assert normalize_amount_yuan("2.50", "元") == Decimal("2.50")
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assert normalize_amount_yuan("20,000.00万元", "万元") == Decimal("200000000.00")
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assert normalize_amount_yuan("人民币5,000.00元", "元") == Decimal("5000.00")
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assert normalize_amount_yuan("CNY 5,000.00", "元") == Decimal("5000.00")
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assert normalize_amount_yuan("2.50", "美元") is None
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def test_parse_application_date_accepts_compact_calendar_date() -> None:
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assert parse_application_date("20260908") == date(2026, 9, 8)
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