ForgeFlow-ERP/backend/tests/test_material_code_generation.py
2026-06-12 16:00:56 +08:00

97 lines
3.3 KiB
Python

from __future__ import annotations
import unittest
from datetime import UTC, datetime
from decimal import Decimal
from sqlalchemy import BigInteger, create_engine
from sqlalchemy.ext.compiler import compiles
from sqlalchemy.orm import Session, sessionmaker
@compiles(BigInteger, "sqlite")
def _compile_bigint_for_sqlite(type_, compiler, **kw) -> str:
_ = type_, compiler, kw
return "INTEGER"
import app.models.master_data # noqa: E402,F401
from app.api.routes import master_data # noqa: E402
from app.models.base import Base # noqa: E402
from app.models.master_data import Item # noqa: E402
from app.schemas.database import MaterialCreate # noqa: E402
class MaterialCodeGenerationTest(unittest.TestCase):
def setUp(self) -> None:
engine = create_engine("sqlite+pysqlite:///:memory:", future=True)
Base.metadata.create_all(engine)
self.SessionLocal = sessionmaker(bind=engine, autoflush=False, autocommit=False, future=True)
self.db: Session = self.SessionLocal()
def tearDown(self) -> None:
self.db.close()
def _payload(self) -> MaterialCreate:
return MaterialCreate(
item_name="冷轧钢板",
specification="1.0*1000",
material_grade="SPCC",
unit_weight_kg=1,
safety_stock_weight_kg=0,
scrap_sale_price=0,
default_supplier_id=None,
purchase_calc_mode="BY_WEIGHT",
min_purchase_qty=0,
purchase_multiple_qty=0,
purchase_multiple_weight_kg=0,
lead_time_days=0,
quality_rule=None,
status="ACTIVE",
)
def _add_item(self, code: str, item_type: str = "RAW_MATERIAL") -> None:
now = datetime.now(UTC)
self.db.add(
Item(
item_code=code,
item_name=f"测试物料{code}",
item_type=item_type,
specification="",
material_grade="",
unit_weight_kg=Decimal("0"),
safety_stock_weight_kg=Decimal("0"),
scrap_sale_price=Decimal("0"),
status="ACTIVE",
created_at=now,
updated_at=now,
)
)
self.db.commit()
def test_material_code_starts_from_named_five_digit_sequence(self) -> None:
self.assertEqual(master_data._build_material_code(self.db, self._payload()), "原材料00001")
def test_material_code_increments_existing_named_material_codes(self) -> None:
self._add_item("原材料00001")
self._add_item("RM-SPCC-001")
self.assertEqual(master_data._build_material_code(self.db, self._payload()), "原材料00002")
def test_material_code_ignores_legacy_numeric_codes(self) -> None:
self._add_item("00001")
self._add_item("110801001050")
self._add_item("110501000185")
self.assertEqual(master_data._build_material_code(self.db, self._payload()), "原材料00001")
def test_material_code_skips_codes_used_by_other_item_types(self) -> None:
self._add_item("原材料00001")
self._add_item("原材料00002", item_type="FINISHED_GOOD")
self.assertEqual(master_data._build_material_code(self.db, self._payload()), "原材料00003")
if __name__ == "__main__":
unittest.main()