Files
ormar/tests/test_meta_constraints/test_index_constraints.py
2021-09-06 16:47:37 +02:00

69 lines
2.2 KiB
Python

import asyncpg # type: ignore
import databases
import pytest
import sqlalchemy
import ormar.fields.constraints
from tests.settings import DATABASE_URL
database = databases.Database(DATABASE_URL, force_rollback=True)
metadata = sqlalchemy.MetaData()
class Product(ormar.Model):
class Meta:
tablename = "products"
metadata = metadata
database = database
constraints = [
ormar.fields.constraints.IndexColumns("company", "name", name="my_index"),
ormar.fields.constraints.IndexColumns("location", "company_type"),
]
id: int = ormar.Integer(primary_key=True)
name: str = ormar.String(max_length=100)
company: str = ormar.String(max_length=200)
location: str = ormar.String(max_length=200)
company_type: str = ormar.String(max_length=200)
@pytest.fixture(autouse=True, scope="module")
def create_test_database():
engine = sqlalchemy.create_engine(DATABASE_URL)
metadata.drop_all(engine)
metadata.create_all(engine)
yield
metadata.drop_all(engine)
def test_table_structure():
assert len(Product.Meta.table.indexes) > 0
indexes = sorted(
list(Product.Meta.table.indexes), key=lambda x: x.name, reverse=True
)
test_index = indexes[0]
assert test_index.name == "my_index"
assert [col.name for col in test_index.columns] == ["company", "name"]
test_index = indexes[1]
assert test_index.name == "ix_products_location_company_type"
assert [col.name for col in test_index.columns] == ["location", "company_type"]
@pytest.mark.asyncio
async def test_index_is_not_unique():
async with database:
async with database.transaction(force_rollback=True):
await Product.objects.create(
name="Cookies", company="Nestle", location="A", company_type="B"
)
await Product.objects.create(
name="Mars", company="Mars", location="B", company_type="Z"
)
await Product.objects.create(
name="Mars", company="Nestle", location="C", company_type="X"
)
await Product.objects.create(
name="Mars", company="Mars", location="D", company_type="Y"
)