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|
from typing import Any, ForwardRef
import ormar
import pytest
from tests.lifespan import init_tests
from tests.settings import create_config
base_ormar_config = create_config(force_rollback=True)
class Category(ormar.Model):
ormar_config = base_ormar_config.copy(tablename="categories")
id = ormar.Integer(primary_key=True)
name = ormar.String(max_length=40)
class PostCategory(ormar.Model):
ormar_config = base_ormar_config.copy(tablename="posts_x_categories")
id: int = ormar.Integer(primary_key=True)
sort_order: int = ormar.Integer(nullable=True)
param_name: str = ormar.String(default="Name", max_length=200)
class Blog(ormar.Model):
ormar_config = base_ormar_config.copy()
id: int = ormar.Integer(primary_key=True)
title: str = ormar.String(max_length=200)
class Post(ormar.Model):
ormar_config = base_ormar_config.copy()
id: int = ormar.Integer(primary_key=True)
title: str = ormar.String(max_length=200)
categories = ormar.ManyToMany(Category, through=PostCategory)
blog = ormar.ForeignKey(Blog)
create_test_database = init_tests(base_ormar_config)
class PostCategory2(ormar.Model):
ormar_config = base_ormar_config.copy(tablename="posts_x_categories2")
id: int = ormar.Integer(primary_key=True)
sort_order: int = ormar.Integer(nullable=True)
class Post2(ormar.Model):
ormar_config = base_ormar_config.copy()
id: int = ormar.Integer(primary_key=True)
title: str = ormar.String(max_length=200)
categories = ormar.ManyToMany(Category, through=ForwardRef("PostCategory2"))
@pytest.mark.asyncio
async def test_forward_ref_is_updated():
async with base_ormar_config.database:
assert Post2.ormar_config.requires_ref_update
Post2.update_forward_refs()
assert Post2.ormar_config.model_fields["postcategory2"].to == PostCategory2
@pytest.mark.asyncio
async def test_setting_fields_on_through_model():
async with base_ormar_config.database:
post = await Post(title="Test post").save()
category = await Category(name="Test category").save()
await post.categories.add(category)
assert hasattr(post.categories[0], "postcategory")
assert post.categories[0].postcategory is None
@pytest.mark.asyncio
async def test_setting_additional_fields_on_through_model_in_add():
async with base_ormar_config.database:
post = await Post(title="Test post").save()
category = await Category(name="Test category").save()
await post.categories.add(category, sort_order=1)
postcat = await PostCategory.objects.get()
assert postcat.sort_order == 1
@pytest.mark.asyncio
async def test_setting_additional_fields_on_through_model_in_create():
async with base_ormar_config.database:
post = await Post(title="Test post").save()
await post.categories.create(
name="Test category2", postcategory={"sort_order": 2}
)
postcat = await PostCategory.objects.get()
assert postcat.sort_order == 2
@pytest.mark.asyncio
async def test_getting_additional_fields_from_queryset() -> Any:
async with base_ormar_config.database:
post = await Post(title="Test post").save()
await post.categories.create(
name="Test category1", postcategory={"sort_order": 1}
)
await post.categories.create(
name="Test category2", postcategory={"sort_order": 2}
)
await post.categories.all()
assert post.postcategory is None
assert post.categories[0].postcategory.sort_order == 1
assert post.categories[1].postcategory.sort_order == 2
post2 = await Post.objects.select_related("categories").get(
categories__name="Test category2"
)
assert post2.categories[0].postcategory.sort_order == 2
@pytest.mark.asyncio
async def test_only_one_side_has_through() -> Any:
async with base_ormar_config.database:
post = await Post(title="Test post").save()
await post.categories.create(
name="Test category1", postcategory={"sort_order": 1}
)
await post.categories.create(
name="Test category2", postcategory={"sort_order": 2}
)
post2 = await Post.objects.select_related("categories").get()
assert post2.postcategory is None
assert post2.categories[0].postcategory is not None
await post2.categories.all()
assert post2.postcategory is None
assert post2.categories[0].postcategory is not None
categories = await Category.objects.select_related("posts").all()
assert isinstance(categories[0], Category)
assert categories[0].postcategory is None
assert categories[0].posts[0].postcategory is not None
@pytest.mark.asyncio
async def test_filtering_by_through_model() -> Any:
async with base_ormar_config.database:
post = await Post(title="Test post").save()
await post.categories.create(
name="Test category1",
postcategory={"sort_order": 1, "param_name": "volume"},
)
await post.categories.create(
name="Test category2", postcategory={"sort_order": 2, "param_name": "area"}
)
post2 = (
await Post.objects.select_related("categories")
.filter(postcategory__sort_order__gt=1)
.get()
)
assert len(post2.categories) == 1
assert post2.categories[0].postcategory.sort_order == 2
post3 = await Post.objects.filter(
categories__postcategory__param_name="volume"
).get()
assert len(post3.categories) == 1
assert post3.categories[0].postcategory.param_name == "volume"
@pytest.mark.asyncio
async def test_deep_filtering_by_through_model() -> Any:
async with base_ormar_config.database:
blog = await Blog(title="My Blog").save()
post = await Post(title="Test post", blog=blog).save()
await post.categories.create(
name="Test category1",
postcategory={"sort_order": 1, "param_name": "volume"},
)
await post.categories.create(
name="Test category2", postcategory={"sort_order": 2, "param_name": "area"}
)
blog2 = (
await Blog.objects.select_related("posts__categories")
.filter(posts__postcategory__sort_order__gt=1)
.get()
)
assert len(blog2.posts) == 1
assert len(blog2.posts[0].categories) == 1
assert blog2.posts[0].categories[0].postcategory.sort_order == 2
blog3 = await Blog.objects.filter(
posts__categories__postcategory__param_name="volume"
).get()
assert len(blog3.posts) == 1
assert len(blog3.posts[0].categories) == 1
assert blog3.posts[0].categories[0].postcategory.param_name == "volume"
@pytest.mark.asyncio
async def test_ordering_by_through_model() -> Any:
async with base_ormar_config.database:
post = await Post(title="Test post").save()
await post.categories.create(
name="Test category1",
postcategory={"sort_order": 2, "param_name": "volume"},
)
await post.categories.create(
name="Test category2", postcategory={"sort_order": 1, "param_name": "area"}
)
await post.categories.create(
name="Test category3",
postcategory={"sort_order": 3, "param_name": "velocity"},
)
post2 = (
await Post.objects.select_related("categories")
.order_by("-postcategory__sort_order")
.get()
)
assert len(post2.categories) == 3
assert post2.categories[0].name == "Test category3"
assert post2.categories[2].name == "Test category2"
post3 = (
await Post.objects.select_related("categories")
.order_by("categories__postcategory__param_name")
.get()
)
assert len(post3.categories) == 3
assert post3.categories[0].postcategory.param_name == "area"
assert post3.categories[2].postcategory.param_name == "volume"
@pytest.mark.asyncio
async def test_update_through_models_from_queryset_on_through() -> Any:
async with base_ormar_config.database:
post = await Post(title="Test post").save()
await post.categories.create(
name="Test category1",
postcategory={"sort_order": 2, "param_name": "volume"},
)
await post.categories.create(
name="Test category2", postcategory={"sort_order": 1, "param_name": "area"}
)
await post.categories.create(
name="Test category3",
postcategory={"sort_order": 3, "param_name": "velocity"},
)
await PostCategory.objects.filter(param_name="volume", post=post.id).update(
sort_order=4
)
post2 = (
await Post.objects.select_related("categories")
.order_by("-postcategory__sort_order")
.get()
)
assert len(post2.categories) == 3
assert post2.categories[0].postcategory.param_name == "volume"
assert post2.categories[2].postcategory.param_name == "area"
@pytest.mark.asyncio
async def test_update_through_model_after_load() -> Any:
async with base_ormar_config.database:
post = await Post(title="Test post").save()
await post.categories.create(
name="Test category1",
postcategory={"sort_order": 2, "param_name": "volume"},
)
post2 = await Post.objects.select_related("categories").get()
assert len(post2.categories) == 1
await post2.categories[0].postcategory.load()
await post2.categories[0].postcategory.update(sort_order=3)
post3 = await Post.objects.select_related("categories").get()
assert len(post3.categories) == 1
assert post3.categories[0].postcategory.sort_order == 3
@pytest.mark.asyncio
async def test_update_through_from_related() -> Any:
async with base_ormar_config.database:
post = await Post(title="Test post").save()
await post.categories.create(
name="Test category1",
postcategory={"sort_order": 2, "param_name": "volume"},
)
await post.categories.create(
name="Test category2", postcategory={"sort_order": 1, "param_name": "area"}
)
await post.categories.create(
name="Test category3",
postcategory={"sort_order": 3, "param_name": "velocity"},
)
await post.categories.filter(name="Test category3").update(
postcategory={"sort_order": 4}
)
post2 = (
await Post.objects.select_related("categories")
.order_by("postcategory__sort_order")
.get()
)
assert len(post2.categories) == 3
assert post2.categories[2].postcategory.sort_order == 4
@pytest.mark.asyncio
async def test_excluding_fields_on_through_model() -> Any:
async with base_ormar_config.database:
post = await Post(title="Test post").save()
await post.categories.create(
name="Test category1",
postcategory={"sort_order": 2, "param_name": "volume"},
)
await post.categories.create(
name="Test category2", postcategory={"sort_order": 1, "param_name": "area"}
)
await post.categories.create(
name="Test category3",
postcategory={"sort_order": 3, "param_name": "velocity"},
)
post2 = (
await Post.objects.select_related("categories")
.exclude_fields("postcategory__param_name")
.order_by("postcategory__sort_order")
.get()
)
assert len(post2.categories) == 3
assert post2.categories[0].postcategory.param_name is None
assert post2.categories[0].postcategory.sort_order == 1
assert post2.categories[2].postcategory.param_name is None
assert post2.categories[2].postcategory.sort_order == 3
post3 = (
await Post.objects.select_related("categories")
.fields({"postcategory": ..., "title": ...})
.exclude_fields({"postcategory": {"param_name", "sort_order"}})
.get()
)
assert len(post3.categories) == 3
for category in post3.categories:
assert category.postcategory.param_name is None
assert category.postcategory.sort_order is None
|
