149 lines
4.4 KiB
Python
149 lines
4.4 KiB
Python
import json
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from typing import List, Optional
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import databases
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import pytest
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import sqlalchemy
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from fastapi import FastAPI
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from starlette.testclient import TestClient
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import ormar
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from tests.settings import DATABASE_URL
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app = FastAPI()
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metadata = sqlalchemy.MetaData()
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database = databases.Database(DATABASE_URL, force_rollback=True)
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app.state.database = database
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@app.on_event("startup")
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async def startup() -> None:
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database_ = app.state.database
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if not database_.is_connected:
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await database_.connect()
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@app.on_event("shutdown")
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async def shutdown() -> None:
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database_ = app.state.database
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if database_.is_connected:
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await database_.disconnect()
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class BaseMeta(ormar.ModelMeta):
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database = database
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metadata = metadata
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class Author(ormar.Model):
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class Meta(BaseMeta):
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pass
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id: int = ormar.Integer(primary_key=True)
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first_name: str = ormar.String(max_length=80)
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last_name: str = ormar.String(max_length=80)
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class Category(ormar.Model):
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class Meta(BaseMeta):
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tablename = "categories"
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id: int = ormar.Integer(primary_key=True)
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name: str = ormar.String(max_length=40)
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class Post(ormar.Model):
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class Meta(BaseMeta):
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pass
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id: int = ormar.Integer(primary_key=True)
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title: str = ormar.String(max_length=200)
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categories = ormar.ManyToMany(Category, skip_reverse=True)
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author: Optional[Author] = ormar.ForeignKey(Author, skip_reverse=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.create_all(engine)
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yield
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metadata.drop_all(engine)
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@app.post("/categories/", response_model=Category)
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async def create_category(category: Category):
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await category.save()
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await category.save_related(follow=True, save_all=True)
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return category
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@app.post("/posts/", response_model=Post)
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async def create_post(post: Post):
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if post.author:
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await post.author.save()
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await post.save()
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await post.save_related(follow=True, save_all=True)
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for category in [cat for cat in post.categories]:
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await post.categories.add(category)
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return post
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@app.get("/categories/", response_model=List[Category])
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async def get_categories():
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return await Category.objects.select_related("posts").all()
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@app.get("/posts/", response_model=List[Post])
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async def get_posts():
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posts = await Post.objects.select_related(["categories", "author"]).all()
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return posts
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def test_queries():
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client = TestClient(app)
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with client as client:
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right_category = {"name": "Test category"}
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wrong_category = {"name": "Test category2", "posts": [{"title": "Test Post"}]}
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# cannot add posts if skipped, will be ignored (with extra=ignore by default)
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response = client.post("/categories/", data=json.dumps(wrong_category))
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assert response.status_code == 200
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response = client.get("/categories/")
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assert response.status_code == 200
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assert not "posts" in response.json()
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categories = [Category(**x) for x in response.json()]
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assert categories[0] is not None
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assert categories[0].name == "Test category2"
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response = client.post("/categories/", data=json.dumps(right_category))
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assert response.status_code == 200
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response = client.get("/categories/")
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assert response.status_code == 200
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categories = [Category(**x) for x in response.json()]
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assert categories[1] is not None
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assert categories[1].name == "Test category"
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right_post = {
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"title": "ok post",
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"author": {"first_name": "John", "last_name": "Smith"},
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"categories": [{"name": "New cat"}],
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}
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response = client.post("/posts/", data=json.dumps(right_post))
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assert response.status_code == 200
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Category.__config__.extra = "allow"
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response = client.get("/posts/")
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assert response.status_code == 200
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posts = [Post(**x) for x in response.json()]
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assert posts[0].title == "ok post"
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assert posts[0].author.first_name == "John"
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assert posts[0].categories[0].name == "New cat"
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wrong_category = {"name": "Test category3", "posts": [{"title": "Test Post"}]}
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# cannot add posts if skipped, will be error with extra forbid
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Category.__config__.extra = "forbid"
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response = client.post("/categories/", data=json.dumps(wrong_category))
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assert response.status_code == 422
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