116 lines
3.3 KiB
Python
116 lines
3.3 KiB
Python
from typing import Optional
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import databases
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import pytest
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import sqlalchemy
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import ormar
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from tests.settings import DATABASE_URL
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database = databases.Database(DATABASE_URL)
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metadata = sqlalchemy.MetaData()
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class BaseMeta(ormar.ModelMeta):
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metadata = metadata
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database = database
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class Author(ormar.Model):
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class Meta(BaseMeta):
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tablename = "authors"
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orders_by = ["-name"]
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id: int = ormar.Integer(primary_key=True)
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name: str = ormar.String(max_length=100)
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class Book(ormar.Model):
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class Meta(BaseMeta):
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tablename = "books"
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orders_by = ["year", "-ranking"]
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id: int = ormar.Integer(primary_key=True)
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author: Optional[Author] = ormar.ForeignKey(Author)
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title: str = ormar.String(max_length=100)
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year: int = ormar.Integer(nullable=True)
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ranking: int = ormar.Integer(nullable=True)
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@pytest.fixture(autouse=True, scope="module")
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def create_test_database():
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engine = sqlalchemy.create_engine(DATABASE_URL)
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metadata.drop_all(engine)
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metadata.create_all(engine)
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yield
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metadata.drop_all(engine)
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@pytest.fixture(autouse=True, scope="function")
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async def cleanup():
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yield
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async with database:
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await Book.objects.delete(each=True)
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await Author.objects.delete(each=True)
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@pytest.mark.asyncio
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async def test_default_orders_is_applied():
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async with database:
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tolkien = await Author(name="J.R.R. Tolkien").save()
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sapkowski = await Author(name="Andrzej Sapkowski").save()
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king = await Author(name="Stephen King").save()
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lewis = await Author(name="C.S Lewis").save()
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authors = await Author.objects.all()
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assert authors[0] == king
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assert authors[1] == tolkien
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assert authors[2] == lewis
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assert authors[3] == sapkowski
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authors = await Author.objects.order_by("name").all()
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assert authors[3] == king
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assert authors[2] == tolkien
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assert authors[1] == lewis
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assert authors[0] == sapkowski
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@pytest.mark.asyncio
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async def test_default_orders_is_applied_on_related():
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async with database:
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tolkien = await Author(name="J.R.R. Tolkien").save()
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silmarillion = await Book(
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author=tolkien, title="The Silmarillion", year=1977
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).save()
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lotr = await Book(
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author=tolkien, title="The Lord of the Rings", year=1955
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).save()
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hobbit = await Book(author=tolkien, title="The Hobbit", year=1933).save()
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await tolkien.books.all()
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assert tolkien.books[0] == hobbit
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assert tolkien.books[1] == lotr
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assert tolkien.books[2] == silmarillion
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await tolkien.books.order_by("-title").all()
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assert tolkien.books[2] == hobbit
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assert tolkien.books[1] == lotr
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assert tolkien.books[0] == silmarillion
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@pytest.mark.asyncio
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async def test_default_orders_is_applied_on_related_two_fields():
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async with database:
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sanders = await Author(name="Brandon Sanderson").save()
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twok = await Book(
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author=sanders, title="The Way of Kings", year=2010, ranking=10
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).save()
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bret = await Author(name="Peter V. Bret").save()
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tds = await Book(
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author=bret, title="The Desert Spear", year=2010, ranking=9
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).save()
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books = await Book.objects.all()
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assert books[0] == twok
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assert books[1] == tds
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