fix for #348

tests/test_model_definition/test_pk_field_is_always_not_null.py

@@ -0,0 +1,39 @@
+import databases
+import sqlalchemy
+
+import ormar
+from tests.settings import DATABASE_URL
+
+database = databases.Database(DATABASE_URL)
+metadata = sqlalchemy.MetaData()
+
+
+class BaseMeta(ormar.ModelMeta):
+    metadata = metadata
+    database = database
+
+
+class AutoincrementModel(ormar.Model):
+    class Meta(BaseMeta):
+        pass
+
+    id: int = ormar.Integer(primary_key=True)
+
+
+class NonAutoincrementModel(ormar.Model):
+    class Meta(BaseMeta):
+        pass
+
+    id: int = ormar.Integer(primary_key=True, autoincrement=False)
+
+
+class ExplicitNullableModel(ormar.Model):
+    class Meta(BaseMeta):
+        pass
+
+    id: int = ormar.Integer(primary_key=True, nullable=True)
+
+
+def test_pk_field_is_not_null():
+    for model in [AutoincrementModel, NonAutoincrementModel, ExplicitNullableModel]:
+        assert not model.Meta.table.c.get("id").nullable