add tests forn forms, products, productors

backend/src/products/service.py

@@ -1,5 +1,6 @@
 from sqlmodel import Session, select
 import src.models as models
+import src.products.exceptions as exceptions
 
 def get_all(
     session: Session, 
@@ -15,7 +16,7 @@ def get_all(
     if len(names) > 0:
         statement = statement.where(models.Product.name.in_(names))
     if len(productors) > 0:
-        statement = statement.join(models.Productor).where(models.Productor.name.in_(productors))
+        statement = statement.where(models.Productor.name.in_(productors))
     if len(types) > 0:
         statement = statement.where(models.Product.type.in_(types))
     return session.exec(statement.order_by(models.Product.name)).all()
@@ -24,6 +25,10 @@ def get_one(session: Session, product_id: int) -> models.ProductPublic:
     return session.get(models.Product, product_id)
 
 def create_one(session: Session, product: models.ProductCreate) -> models.ProductPublic:
+    if not product:
+        raise exceptions.ProductCreateError('ProductCreate input cannot be None')
+    if not session.get(models.Productor, product.productor_id):
+        raise exceptions.ProductorNotFoundError(f'Productor {product.productor_id} not found')
     product_create = product.model_dump(exclude_unset=True)
     new_product = models.Product(**product_create)
     session.add(new_product)
@@ -36,7 +41,10 @@ def update_one(session: Session, id: int, product: models.ProductUpdate) -> mode
     result = session.exec(statement)
     new_product = result.first()
     if not new_product:
-        return None
+        raise exceptions.ProductNotFoundError(f'Product {id} not found')
+    if product.productor_id and not session.get(models.Productor, product.productor_id):
+        raise exceptions.ProductorNotFoundError(f'Productor {product.productor_id} not found')
+
     product_updates = product.model_dump(exclude_unset=True)
     for key, value in product_updates.items():
         setattr(new_product, key, value)
@@ -51,7 +59,7 @@ def delete_one(session: Session, id: int) -> models.ProductPublic:
     result = session.exec(statement)
     product = result.first()
     if not product:
-        return None
+        raise exceptions.ProductNotFoundError(f'Product {id} not found')
     result = models.ProductPublic.model_validate(product)
     session.delete(product)
     session.commit()