split tests into packages

tests/test_model_definition/test_saving_nullable_fields.py

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+from typing import Optional
+
+import databases
+import sqlalchemy
+from sqlalchemy import create_engine
+
+import ormar
+import pytest
+
+from tests.settings import DATABASE_URL
+
+db = databases.Database(DATABASE_URL, force_rollback=True)
+metadata = sqlalchemy.MetaData()
+
+
+class PrimaryModel(ormar.Model):
+    class Meta:
+        metadata = metadata
+        database = db
+        tablename = "primary_models"
+
+    id: int = ormar.Integer(primary_key=True)
+    name: str = ormar.String(max_length=255, index=True)
+    some_text: str = ormar.Text()
+    # NOTE: Removing nullable=True makes the test pass.
+    some_other_text: Optional[str] = ormar.Text(nullable=True)
+
+
+class SecondaryModel(ormar.Model):
+    class Meta:
+        metadata = metadata
+        database = db
+        tablename = "secondary_models"
+
+    id: int = ormar.Integer(primary_key=True)
+    name: str = ormar.String(max_length=100)
+    primary_model: PrimaryModel = ormar.ForeignKey(
+        PrimaryModel, related_name="secondary_models",
+    )
+
+
+@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_create_models():
+    async with db:
+        async with db.transaction(force_rollback=True):
+            primary = await PrimaryModel(
+                name="Foo", some_text="Bar", some_other_text="Baz"
+            ).save()
+            assert primary.id == 1
+
+            secondary = await SecondaryModel(name="Foo", primary_model=primary).save()
+            assert secondary.id == 1
+            assert secondary.primary_model.id == 1
+
+            secondary = await SecondaryModel.objects.get()
+            assert secondary.name == "Foo"
+            await secondary.update(name="Updated")
+            assert secondary.name == "Updated"