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group_fqcd_jr/tests/unit/service/test_offsite_fund_rules.py

57 lines
2.6 KiB
Python

from decimal import Decimal
from app.service.offsite_fund_rules import OffsiteFundRuleEngine, normalize_amount_yuan
def test_subscription_minimum_amount_boundary() -> None:
engine = OffsiteFundRuleEngine()
below = engine.check_subscription(
amount_yuan=Decimal("0.99"), nav=None, total_fund_shares=None,
before_holding_shares=None)
equal = engine.check_subscription(
amount_yuan=Decimal("1.00"), nav=None, total_fund_shares=None,
before_holding_shares=None)
above = engine.check_subscription(
amount_yuan=Decimal("1.01"), nav=None, total_fund_shares=None,
before_holding_shares=None)
assert below[0].result == "异常"
assert equal[0].result == "异常"
assert above[0].result == "正常"
def test_subscription_ratio_and_share_limit_boundary() -> None:
engine = OffsiteFundRuleEngine()
normal = engine.check_subscription(
amount_yuan=Decimal("100"), nav=Decimal("1"), total_fund_shares=Decimal("1000"),
before_holding_shares=Decimal("100"))
abnormal = engine.check_subscription(
amount_yuan=Decimal("101"), nav=Decimal("1"), total_fund_shares=Decimal("1000"),
before_holding_shares=Decimal("100"))
assert {item.rule_code: item.result for item in normal}["subscription_holding_ratio"] == "正常"
assert {item.rule_code: item.result for item in abnormal}[
"subscription_holding_ratio"] == "异常"
assert {item.rule_code: item.result for item in abnormal}[
"subscription_single_share_limit"] == "异常"
def test_redemption_ratio_and_available_quantity_boundary() -> None:
engine = OffsiteFundRuleEngine()
normal = engine.check_redemption(
redemption_shares=Decimal("200"), total_fund_shares=Decimal("1000"),
available_quantity=Decimal("200"))
abnormal = engine.check_redemption(
redemption_shares=Decimal("201"), total_fund_shares=Decimal("1000"),
available_quantity=Decimal("200"))
assert {item.rule_code: item.result for item in normal}["redemption_large_ratio"] == "正常"
assert {item.rule_code: item.result for item in normal}[
"redemption_available_quantity"] == "正常"
assert {item.rule_code: item.result for item in abnormal}["redemption_large_ratio"] == "异常"
assert {item.rule_code: item.result for item in abnormal}[
"redemption_available_quantity"] == "异常"
def test_normalize_amount_keeps_original_unit_semantics() -> None:
assert normalize_amount_yuan("2.50", "万元") == Decimal("25000.00")
assert normalize_amount_yuan("2.50", "元") == Decimal("2.50")
assert normalize_amount_yuan("2.50", "美元") is None