PayrollManagementSystem/backend/tests/unit/test_month_validation.py

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"""月份校验单元测试。
守的口径:报表、月结、调整单入口都必须拦住 `2026-13`、`0000-01` 这类
非法月份。只校验长度会让 ValueError 一路传到 `calendar.monthrange`,
最终变成 500 而不是参数错误 400。
"""
import pytest
from pydantic import ValidationError
from app.core.month import parse_month, validate_month
from app.schemas.report import DepartmentSummaryQuery, PersonalDetailQuery
from app.schemas.settlement import AdjustmentCreateIn, SettlementGenerateIn
class Test月份校验:
"""合法月份通过,非法月份在入口即拒绝。"""
@pytest.mark.parametrize("month", ["2026-01", "2026-12", "2000-06"])
def test_合法月份_通过(self, month: str):
assert validate_month(month) == month
year, mon = parse_month(month)
assert (year, mon) == (int(month[:4]), int(month[5:7]))
@pytest.mark.parametrize(
"month",
["2026-13", "2026-00", "2026-1", "2026-1a", "0000-01", "abc", "2026/10"],
)
def test_非法月份_抛ValueError(self, month: str):
with pytest.raises(ValueError):
validate_month(month)
@pytest.mark.parametrize("month", ["2026-13", "2026-00", "0000-01"])
def test_月结与调整单_schema拒绝非法月份(self, month: str):
with pytest.raises(ValidationError):
SettlementGenerateIn(month=month)
with pytest.raises(ValidationError):
AdjustmentCreateIn(
settlement_month=month,
personnel_id=1,
direction=1,
amount="100.00",
reason="测试",
)
@pytest.mark.parametrize("month", ["2026-13", "2026-00", "0000-01"])
def test_报表查询_schema拒绝非法月份(self, month: str):
with pytest.raises(ValidationError):
DepartmentSummaryQuery(settlement_month=month)
with pytest.raises(ValidationError):
PersonalDetailQuery(settlement_month=month)
def test_报表可选月份_空串规范为None(self):
"""axios 未剔除空串时不能误报格式错误。"""
assert PersonalDetailQuery(settlement_month="").settlement_month is None