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import pytest
from djangoproject.social.models import Post, Profile, User
from zeal import zeal_context, zeal_ignore
from .factories import PostFactory, ProfileFactory, UserFactory
pytestmark = [pytest.mark.nozeal, pytest.mark.django_db]
def test_performance(benchmark):
users = UserFactory.create_batch(10)
# everyone follows everyone
user_following_relations = []
for user in users:
for followee in users:
if user == followee:
continue
user_following_relations.append(
User.following.through(
from_user_id=user.id, to_user_id=followee.id
)
)
User.following.through.objects.bulk_create(user_following_relations)
# give everyone a profile
for user in users:
ProfileFactory(user=user)
# everyone has 10 posts
for user in users:
PostFactory.create_batch(10, author=user)
@benchmark
def _run_benchmark():
with (
zeal_context(),
zeal_ignore(),
):
# Test forward & reverse many-to-one relationships (Post -> User, User -> Posts)
posts = Post.objects.all()
for post in posts:
_ = post.author.username # forward many-to-one
_ = list(post.author.posts.all()) # reverse many-to-one
# Test forward & reverse one-to-one relationships (Profile -> User, User -> Profile)
profiles = Profile.objects.all()
for profile in profiles:
_ = profile.user.username # forward one-to-one
_ = profile.user.profile.display_name # reverse one-to-one
# Test forward & reverse many-to-many relationships
users = User.objects.all()
for user in users:
_ = list(user.following.all()) # forward many-to-many
_ = list(user.followers.all()) # reverse many-to-many
_ = list(
user.blocked.all()
) # many-to-many without related_name
# Test chained relationships
for follower in user.followers.all():
_ = follower.profile.display_name
_ = list(follower.posts.all())
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