105 lines
2.6 KiB
Python
105 lines
2.6 KiB
Python
from typing import List, Optional
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import databases
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import sqlalchemy
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from sqlalchemy import create_engine
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import ormar
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import pytest
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from tests.settings import DATABASE_URL
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db = databases.Database(DATABASE_URL)
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metadata = sqlalchemy.MetaData()
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class User(ormar.Model):
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class Meta:
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metadata = metadata
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database = db
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tablename = "test_users"
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id: int = ormar.Integer(primary_key=True)
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name: str = ormar.String(max_length=50)
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class Signup(ormar.Model):
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class Meta:
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metadata = metadata
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database = db
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tablename = "test_signup"
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id: int = ormar.Integer(primary_key=True)
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class Session(ormar.Model):
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class Meta:
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metadata = metadata
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database = db
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tablename = "test_sessions"
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id: int = ormar.Integer(primary_key=True)
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name: str = ormar.String(max_length=255, index=True)
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some_text: str = ormar.Text()
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some_other_text: Optional[str] = ormar.Text(nullable=True)
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teacher: Optional[User] = ormar.ForeignKey(
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User, nullable=True, related_name="teaching"
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)
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students: Optional[List[User]] = ormar.ManyToMany(
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User, through=Signup, related_name="attending"
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)
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@pytest.fixture(autouse=True, scope="module")
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def create_test_database():
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engine = 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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@pytest.mark.asyncio
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async def test_add_students():
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for user_id in [1, 2, 3, 4, 5]:
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await User.objects.create(name=f"User {user_id}")
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for name, some_text, some_other_text in [
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("Session 1", "Some text 1", "Some other text 1"),
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("Session 2", "Some text 2", "Some other text 2"),
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("Session 3", "Some text 3", "Some other text 3"),
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("Session 4", "Some text 4", "Some other text 4"),
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("Session 5", "Some text 5", "Some other text 5"),
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]:
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await Session(
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name=name, some_text=some_text, some_other_text=some_other_text
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).save()
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s1 = await Session.objects.get(pk=1)
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s2 = await Session.objects.get(pk=2)
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users = {}
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for i in range(1, 6):
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user = await User.objects.get(pk=i)
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users[f"user_{i}"] = user
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if i % 2 == 0:
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await s1.students.add(user)
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else:
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await s2.students.add(user)
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assert len(s1.students) > 0
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assert len(s2.students) > 0
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user = await User.objects.select_related("attending").get(pk=1)
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assert user.attending is not None
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assert len(user.attending) > 0
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query = Session.objects.prefetch_related(
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[
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"students",
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"teacher",
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]
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)
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sessions = await query.all()
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assert len(sessions) == 5
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