Files
ormar/tests/test_order_by.py

118 lines
3.6 KiB
Python

import databases
import pytest
import sqlalchemy
import ormar
from tests.settings import DATABASE_URL
database = databases.Database(DATABASE_URL, force_rollback=True)
metadata = sqlalchemy.MetaData()
class Song(ormar.Model):
class Meta:
tablename = "songs"
metadata = metadata
database = database
id: int = ormar.Integer(primary_key=True)
name: str = ormar.String(max_length=100)
sort_order: int = ormar.Integer()
class Owner(ormar.Model):
class Meta:
tablename = "owners"
metadata = metadata
database = database
id: int = ormar.Integer(primary_key=True)
name: str = ormar.String(max_length=100)
class Toy(ormar.Model):
class Meta:
tablename = "toys"
metadata = metadata
database = database
id: int = ormar.Integer(primary_key=True)
name: str = ormar.String(max_length=100)
owner: Owner = ormar.ForeignKey(Owner)
@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)
@pytest.mark.asyncio
async def test_sort_order_on_main_model():
async with database:
await Song.objects.create(name="Song 3", sort_order=3)
await Song.objects.create(name="Song 1", sort_order=1)
await Song.objects.create(name="Song 2", sort_order=2)
songs = await Song.objects.all()
assert songs[0].name == "Song 3"
assert songs[1].name == "Song 1"
assert songs[2].name == "Song 2"
songs = await Song.objects.order_by("-sort_order").all()
assert songs[0].name == "Song 3"
assert songs[1].name == "Song 2"
assert songs[2].name == "Song 1"
songs = await Song.objects.order_by("sort_order").all()
assert songs[0].name == "Song 1"
assert songs[1].name == "Song 2"
assert songs[2].name == "Song 3"
songs = await Song.objects.order_by("name").all()
assert songs[0].name == "Song 1"
assert songs[1].name == "Song 2"
assert songs[2].name == "Song 3"
await Song.objects.create(name="Song 4", sort_order=1)
songs = await Song.objects.order_by(["sort_order", "name"]).all()
assert songs[0].name == "Song 1"
assert songs[1].name == "Song 4"
assert songs[2].name == "Song 2"
assert songs[3].name == "Song 3"
@pytest.mark.asyncio
async def test_sort_order_on_related_model():
async with database:
aphrodite = await Owner.objects.create(name="Aphrodite")
hermes = await Owner.objects.create(name="Hermes")
zeus = await Owner.objects.create(name="Zeus")
await Toy.objects.create(name="Toy 1", owner=zeus)
await Toy.objects.create(name="Toy 5", owner=hermes)
await Toy.objects.create(name="Toy 2", owner=aphrodite)
await Toy.objects.create(name="Toy 4", owner=zeus)
await Toy.objects.create(name="Toy 3", owner=aphrodite)
await Toy.objects.create(name="Toy 6", owner=hermes)
toys = await Toy.objects.select_related("owner").order_by("name").all()
assert [x.name.replace("Toy ", "") for x in toys] == [
str(x + 1) for x in range(6)
]
assert toys[0].owner == zeus
assert toys[1].owner == aphrodite
toys = await Toy.objects.select_related("owner").order_by("owner__name").all()
owner = (
await Owner.objects.select_related("toys")
.order_by("toys__name")
.filter(name="Zeus")
.all()
)