Files
ormar/tests/test_queryset_level_methods.py

107 lines
4.1 KiB
Python

import databases
import pytest
import sqlalchemy
import ormar
from ormar.exceptions import QueryDefinitionError
from tests.settings import DATABASE_URL
database = databases.Database(DATABASE_URL, force_rollback=True)
metadata = sqlalchemy.MetaData()
class Book(ormar.Model):
class Meta:
tablename = "books"
metadata = metadata
database = database
id: ormar.Integer(primary_key=True)
title: ormar.String(max_length=200)
author: ormar.String(max_length=100)
genre: ormar.String(max_length=100, default='Fiction', choices=['Fiction', 'Adventure', 'Historic', 'Fantasy'])
@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_delete_and_update():
async with database:
async with database.transaction(force_rollback=True):
await Book.objects.create(title='Tom Sawyer', author="Twain, Mark", genre='Adventure')
await Book.objects.create(title='War and Peace', author="Tolstoy, Leo", genre='Fiction')
await Book.objects.create(title='Anna Karenina', author="Tolstoy, Leo", genre='Fiction')
await Book.objects.create(title='Harry Potter', author="Rowling, J.K.", genre='Fantasy')
await Book.objects.create(title='Lord of the Rings', author="Tolkien, J.R.", genre='Fantasy')
all_books = await Book.objects.all()
assert len(all_books) == 5
await Book.objects.filter(author="Tolstoy, Leo").update(author="Lenin, Vladimir")
all_books = await Book.objects.filter(author="Lenin, Vladimir").all()
assert len(all_books) == 2
historic_books = await Book.objects.filter(genre='Historic').all()
assert len(historic_books) == 0
with pytest.raises(QueryDefinitionError):
await Book.objects.update(genre='Historic')
await Book.objects.filter(author="Lenin, Vladimir").update(genre='Historic')
historic_books = await Book.objects.filter(genre='Historic').all()
assert len(historic_books) == 2
await Book.objects.delete(genre='Fantasy')
all_books = await Book.objects.all()
assert len(all_books) == 3
await Book.objects.update(each=True, genre='Fiction')
all_books = await Book.objects.filter(genre='Fiction').all()
assert len(all_books) == 3
with pytest.raises(QueryDefinitionError):
await Book.objects.delete()
await Book.objects.delete(each=True)
all_books = await Book.objects.all()
assert len(all_books) == 0
@pytest.mark.asyncio
async def test_get_or_create():
async with database:
tom = await Book.objects.get_or_create(title="Volume I", author='Anonymous', genre='Fiction')
assert await Book.objects.count() == 1
assert await Book.objects.get_or_create(title="Volume I", author='Anonymous', genre='Fiction') == tom
assert await Book.objects.count() == 1
assert await Book.objects.create(title="Volume I", author='Anonymous', genre='Fiction')
with pytest.raises(ormar.exceptions.MultipleMatches):
await Book.objects.get_or_create(title="Volume I", author='Anonymous', genre='Fiction')
@pytest.mark.asyncio
async def test_update_or_create():
async with database:
tom = await Book.objects.update_or_create(title="Volume I", author='Anonymous', genre='Fiction')
assert await Book.objects.count() == 1
assert await Book.objects.update_or_create(id=tom.id, genre='Historic')
assert await Book.objects.count() == 1
assert await Book.objects.update_or_create(pk=tom.id, genre='Fantasy')
assert await Book.objects.count() == 1
assert await Book.objects.create(title="Volume I", author='Anonymous', genre='Fantasy')
with pytest.raises(ormar.exceptions.MultipleMatches):
await Book.objects.get(title="Volume I", author='Anonymous', genre='Fantasy')