split tests into packages

tests/test_relations/test_selecting_proper_table_prefix.py

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