split tests into packages
This commit is contained in:
collerek
389
tests/test_relations/test_prefetch_related.py
Normal file
389
tests/test_relations/test_prefetch_related.py
Normal file
@ -0,0 +1,389 @@
|
||||
from typing import List, Optional
|
||||
|
||||
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 RandomSet(ormar.Model):
|
||||
class Meta:
|
||||
tablename = "randoms"
|
||||
metadata = metadata
|
||||
database = database
|
||||
|
||||
id: int = ormar.Integer(name="random_id", primary_key=True)
|
||||
name: str = ormar.String(max_length=100)
|
||||
|
||||
|
||||
class Tonation(ormar.Model):
|
||||
class Meta:
|
||||
tablename = "tonations"
|
||||
metadata = metadata
|
||||
database = database
|
||||
|
||||
id: int = ormar.Integer(primary_key=True)
|
||||
name: str = ormar.String(name="tonation_name", max_length=100)
|
||||
rand_set: Optional[RandomSet] = ormar.ForeignKey(RandomSet)
|
||||
|
||||
|
||||
class Division(ormar.Model):
|
||||
class Meta:
|
||||
tablename = "divisions"
|
||||
metadata = metadata
|
||||
database = database
|
||||
|
||||
id: int = ormar.Integer(name="division_id", primary_key=True)
|
||||
name: str = ormar.String(max_length=100, nullable=True)
|
||||
|
||||
|
||||
class Shop(ormar.Model):
|
||||
class Meta:
|
||||
tablename = "shops"
|
||||
metadata = metadata
|
||||
database = database
|
||||
|
||||
id: int = ormar.Integer(primary_key=True)
|
||||
name: str = ormar.String(max_length=100, nullable=True)
|
||||
division: Optional[Division] = ormar.ForeignKey(Division)
|
||||
|
||||
|
||||
class AlbumShops(ormar.Model):
|
||||
class Meta:
|
||||
tablename = "albums_x_shops"
|
||||
metadata = metadata
|
||||
database = database
|
||||
|
||||
|
||||
class Album(ormar.Model):
|
||||
class Meta:
|
||||
tablename = "albums"
|
||||
metadata = metadata
|
||||
database = database
|
||||
|
||||
id: int = ormar.Integer(primary_key=True)
|
||||
name: str = ormar.String(max_length=100, nullable=True)
|
||||
shops: List[Shop] = ormar.ManyToMany(to=Shop, through=AlbumShops)
|
||||
|
||||
|
||||
class Track(ormar.Model):
|
||||
class Meta:
|
||||
tablename = "tracks"
|
||||
metadata = metadata
|
||||
database = database
|
||||
|
||||
id: int = ormar.Integer(name="track_id", primary_key=True)
|
||||
album: Optional[Album] = ormar.ForeignKey(Album)
|
||||
title: str = ormar.String(max_length=100)
|
||||
position: int = ormar.Integer()
|
||||
tonation: Optional[Tonation] = ormar.ForeignKey(Tonation, name="tonation_id")
|
||||
|
||||
|
||||
class Cover(ormar.Model):
|
||||
class Meta:
|
||||
tablename = "covers"
|
||||
metadata = metadata
|
||||
database = database
|
||||
|
||||
id: int = ormar.Integer(primary_key=True)
|
||||
album: Optional[Album] = ormar.ForeignKey(
|
||||
Album, related_name="cover_pictures", name="album_id"
|
||||
)
|
||||
title: str = ormar.String(max_length=100)
|
||||
artist: str = ormar.String(max_length=200, nullable=True)
|
||||
|
||||
|
||||
@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_prefetch_related():
|
||||
async with database:
|
||||
async with database.transaction(force_rollback=True):
|
||||
album = Album(name="Malibu")
|
||||
await album.save()
|
||||
ton1 = await Tonation.objects.create(name="B-mol")
|
||||
await Track.objects.create(
|
||||
album=album, title="The Bird", position=1, tonation=ton1
|
||||
)
|
||||
await Track.objects.create(
|
||||
album=album,
|
||||
title="Heart don't stand a chance",
|
||||
position=2,
|
||||
tonation=ton1,
|
||||
)
|
||||
await Track.objects.create(
|
||||
album=album, title="The Waters", position=3, tonation=ton1
|
||||
)
|
||||
await Cover.objects.create(title="Cover1", album=album, artist="Artist 1")
|
||||
await Cover.objects.create(title="Cover2", album=album, artist="Artist 2")
|
||||
|
||||
fantasies = Album(name="Fantasies")
|
||||
await fantasies.save()
|
||||
await Track.objects.create(
|
||||
album=fantasies, title="Help I'm Alive", position=1
|
||||
)
|
||||
await Track.objects.create(album=fantasies, title="Sick Muse", position=2)
|
||||
await Track.objects.create(
|
||||
album=fantasies, title="Satellite Mind", position=3
|
||||
)
|
||||
await Cover.objects.create(
|
||||
title="Cover3", album=fantasies, artist="Artist 3"
|
||||
)
|
||||
await Cover.objects.create(
|
||||
title="Cover4", album=fantasies, artist="Artist 4"
|
||||
)
|
||||
|
||||
album = (
|
||||
await Album.objects.filter(name="Malibu")
|
||||
.prefetch_related(["tracks__tonation", "cover_pictures"])
|
||||
.get()
|
||||
)
|
||||
assert len(album.tracks) == 3
|
||||
assert album.tracks[0].title == "The Bird"
|
||||
assert len(album.cover_pictures) == 2
|
||||
assert album.cover_pictures[0].title == "Cover1"
|
||||
assert (
|
||||
album.tracks[0].tonation.name
|
||||
== album.tracks[2].tonation.name
|
||||
== "B-mol"
|
||||
)
|
||||
|
||||
albums = await Album.objects.prefetch_related("tracks").all()
|
||||
assert len(albums[0].tracks) == 3
|
||||
assert len(albums[1].tracks) == 3
|
||||
assert albums[0].tracks[0].title == "The Bird"
|
||||
assert albums[1].tracks[0].title == "Help I'm Alive"
|
||||
|
||||
track = await Track.objects.prefetch_related(["album__cover_pictures"]).get(
|
||||
title="The Bird"
|
||||
)
|
||||
assert track.album.name == "Malibu"
|
||||
assert len(track.album.cover_pictures) == 2
|
||||
assert track.album.cover_pictures[0].artist == "Artist 1"
|
||||
|
||||
track = (
|
||||
await Track.objects.prefetch_related(["album__cover_pictures"])
|
||||
.exclude_fields("album__cover_pictures__artist")
|
||||
.get(title="The Bird")
|
||||
)
|
||||
assert track.album.name == "Malibu"
|
||||
assert len(track.album.cover_pictures) == 2
|
||||
assert track.album.cover_pictures[0].artist is None
|
||||
|
||||
tracks = await Track.objects.prefetch_related("album").all()
|
||||
assert len(tracks) == 6
|
||||
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_prefetch_related_with_many_to_many():
|
||||
async with database:
|
||||
async with database.transaction(force_rollback=True):
|
||||
div = await Division.objects.create(name="Div 1")
|
||||
shop1 = await Shop.objects.create(name="Shop 1", division=div)
|
||||
shop2 = await Shop.objects.create(name="Shop 2", division=div)
|
||||
album = Album(name="Malibu")
|
||||
await album.save()
|
||||
await album.shops.add(shop1)
|
||||
await album.shops.add(shop2)
|
||||
|
||||
await Track.objects.create(album=album, title="The Bird", position=1)
|
||||
await Track.objects.create(
|
||||
album=album, title="Heart don't stand a chance", position=2
|
||||
)
|
||||
await Track.objects.create(album=album, title="The Waters", position=3)
|
||||
await Cover.objects.create(title="Cover1", album=album, artist="Artist 1")
|
||||
await Cover.objects.create(title="Cover2", album=album, artist="Artist 2")
|
||||
|
||||
track = await Track.objects.prefetch_related(
|
||||
["album__cover_pictures", "album__shops__division"]
|
||||
).get(title="The Bird")
|
||||
assert track.album.name == "Malibu"
|
||||
assert len(track.album.cover_pictures) == 2
|
||||
assert track.album.cover_pictures[0].artist == "Artist 1"
|
||||
|
||||
assert len(track.album.shops) == 2
|
||||
assert track.album.shops[0].name == "Shop 1"
|
||||
assert track.album.shops[0].division.name == "Div 1"
|
||||
|
||||
album2 = Album(name="Malibu 2")
|
||||
await album2.save()
|
||||
await album2.shops.add(shop1)
|
||||
await album2.shops.add(shop2)
|
||||
await Track.objects.create(album=album2, title="The Bird 2", position=1)
|
||||
|
||||
tracks = await Track.objects.prefetch_related(["album__shops"]).all()
|
||||
assert tracks[0].album.name == "Malibu"
|
||||
assert tracks[0].album.shops[0].name == "Shop 1"
|
||||
assert tracks[3].album.name == "Malibu 2"
|
||||
assert tracks[3].album.shops[0].name == "Shop 1"
|
||||
|
||||
assert tracks[0].album.shops[0] == tracks[3].album.shops[0]
|
||||
assert id(tracks[0].album.shops[0]) == id(tracks[3].album.shops[0])
|
||||
tracks[0].album.shops[0].name = "Dummy"
|
||||
assert tracks[0].album.shops[0].name == tracks[3].album.shops[0].name
|
||||
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_prefetch_related_empty():
|
||||
async with database:
|
||||
async with database.transaction(force_rollback=True):
|
||||
await Track.objects.create(title="The Bird", position=1)
|
||||
track = await Track.objects.prefetch_related(["album__cover_pictures"]).get(
|
||||
title="The Bird"
|
||||
)
|
||||
assert track.title == "The Bird"
|
||||
assert track.album is None
|
||||
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_prefetch_related_with_select_related():
|
||||
async with database:
|
||||
async with database.transaction(force_rollback=True):
|
||||
div = await Division.objects.create(name="Div 1")
|
||||
shop1 = await Shop.objects.create(name="Shop 1", division=div)
|
||||
shop2 = await Shop.objects.create(name="Shop 2", division=div)
|
||||
album = Album(name="Malibu")
|
||||
await album.save()
|
||||
await album.shops.add(shop1)
|
||||
await album.shops.add(shop2)
|
||||
|
||||
await Cover.objects.create(title="Cover1", album=album, artist="Artist 1")
|
||||
await Cover.objects.create(title="Cover2", album=album, artist="Artist 2")
|
||||
|
||||
album = (
|
||||
await Album.objects.select_related(["tracks", "shops"])
|
||||
.filter(name="Malibu")
|
||||
.prefetch_related(["cover_pictures", "shops__division"])
|
||||
.first()
|
||||
)
|
||||
|
||||
assert len(album.tracks) == 0
|
||||
assert len(album.cover_pictures) == 2
|
||||
assert album.shops[0].division.name == "Div 1"
|
||||
|
||||
rand_set = await RandomSet.objects.create(name="Rand 1")
|
||||
ton1 = await Tonation.objects.create(name="B-mol", rand_set=rand_set)
|
||||
await Track.objects.create(
|
||||
album=album, title="The Bird", position=1, tonation=ton1
|
||||
)
|
||||
await Track.objects.create(
|
||||
album=album,
|
||||
title="Heart don't stand a chance",
|
||||
position=2,
|
||||
tonation=ton1,
|
||||
)
|
||||
await Track.objects.create(
|
||||
album=album, title="The Waters", position=3, tonation=ton1
|
||||
)
|
||||
|
||||
album = (
|
||||
await Album.objects.select_related("tracks__tonation__rand_set")
|
||||
.filter(name="Malibu")
|
||||
.prefetch_related(["cover_pictures", "shops__division"])
|
||||
.order_by(
|
||||
["-shops__name", "-cover_pictures__artist", "shops__division__name"]
|
||||
)
|
||||
.get()
|
||||
)
|
||||
assert len(album.tracks) == 3
|
||||
assert album.tracks[0].tonation == album.tracks[2].tonation == ton1
|
||||
assert len(album.cover_pictures) == 2
|
||||
assert album.cover_pictures[0].artist == "Artist 2"
|
||||
|
||||
assert len(album.shops) == 2
|
||||
assert album.shops[0].name == "Shop 2"
|
||||
assert album.shops[0].division.name == "Div 1"
|
||||
|
||||
track = (
|
||||
await Track.objects.select_related("album")
|
||||
.prefetch_related(["album__cover_pictures", "album__shops__division"])
|
||||
.get(title="The Bird")
|
||||
)
|
||||
assert track.album.name == "Malibu"
|
||||
assert len(track.album.cover_pictures) == 2
|
||||
assert track.album.cover_pictures[0].artist == "Artist 1"
|
||||
|
||||
assert len(track.album.shops) == 2
|
||||
assert track.album.shops[0].name == "Shop 1"
|
||||
assert track.album.shops[0].division.name == "Div 1"
|
||||
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_prefetch_related_with_select_related_and_fields():
|
||||
async with database:
|
||||
async with database.transaction(force_rollback=True):
|
||||
div = await Division.objects.create(name="Div 1")
|
||||
shop1 = await Shop.objects.create(name="Shop 1", division=div)
|
||||
shop2 = await Shop.objects.create(name="Shop 2", division=div)
|
||||
album = Album(name="Malibu")
|
||||
await album.save()
|
||||
await album.shops.add(shop1)
|
||||
await album.shops.add(shop2)
|
||||
await Cover.objects.create(title="Cover1", album=album, artist="Artist 1")
|
||||
await Cover.objects.create(title="Cover2", album=album, artist="Artist 2")
|
||||
rand_set = await RandomSet.objects.create(name="Rand 1")
|
||||
ton1 = await Tonation.objects.create(name="B-mol", rand_set=rand_set)
|
||||
await Track.objects.create(
|
||||
album=album, title="The Bird", position=1, tonation=ton1
|
||||
)
|
||||
await Track.objects.create(
|
||||
album=album,
|
||||
title="Heart don't stand a chance",
|
||||
position=2,
|
||||
tonation=ton1,
|
||||
)
|
||||
await Track.objects.create(
|
||||
album=album, title="The Waters", position=3, tonation=ton1
|
||||
)
|
||||
|
||||
album = (
|
||||
await Album.objects.select_related("tracks__tonation__rand_set")
|
||||
.filter(name="Malibu")
|
||||
.prefetch_related(["cover_pictures", "shops__division"])
|
||||
.exclude_fields({"shops": {"division": {"name"}}})
|
||||
.get()
|
||||
)
|
||||
assert len(album.tracks) == 3
|
||||
assert album.tracks[0].tonation == album.tracks[2].tonation == ton1
|
||||
assert len(album.cover_pictures) == 2
|
||||
assert album.cover_pictures[0].artist == "Artist 1"
|
||||
|
||||
assert len(album.shops) == 2
|
||||
assert album.shops[0].name == "Shop 1"
|
||||
assert album.shops[0].division.name is None
|
||||
|
||||
album = (
|
||||
await Album.objects.select_related("tracks")
|
||||
.filter(name="Malibu")
|
||||
.prefetch_related(["cover_pictures", "shops__division"])
|
||||
.fields(
|
||||
{
|
||||
"name": ...,
|
||||
"shops": {"division"},
|
||||
"cover_pictures": {"id": ..., "title": ...},
|
||||
}
|
||||
)
|
||||
.exclude_fields({"shops": {"division": {"name"}}})
|
||||
.get()
|
||||
)
|
||||
assert len(album.tracks) == 3
|
||||
assert len(album.cover_pictures) == 2
|
||||
assert album.cover_pictures[0].artist is None
|
||||
assert album.cover_pictures[0].title is not None
|
||||
|
||||
assert len(album.shops) == 2
|
||||
assert album.shops[0].name is None
|
||||
assert album.shops[0].division is not None
|
||||
assert album.shops[0].division.name is None
|
||||
Reference in New Issue
Block a user