custom save method implemented in ItemForm(); views & tests updated accordingly (all UTs & FTs passing)

src/apps/dashboard/forms.py

@@ -16,3 +16,7 @@ class ItemForm(forms.models.ModelForm):
             ),
         }
         error_messages = {"text": {"required": EMPTY_ITEM_ERROR}}
+
+    def save(self, for_list):
+        self.instance.list = for_list
+        return super().save()

src/apps/dashboard/tests/test_forms.py

@@ -1,5 +1,6 @@
 from django.test import TestCase
 from ..forms import EMPTY_ITEM_ERROR, ItemForm
+from ..models import Item, List
 
 class ItemFormTest(TestCase):
     def test_form_item_has_placeholder_and_css_classes(self):
@@ -16,3 +17,11 @@ class ItemFormTest(TestCase):
         form = ItemForm(data={"text": ""})
         self.assertFalse(form.is_valid())
         self.assertEqual(form.errors["text"], [EMPTY_ITEM_ERROR])
+
+    def test_form_save_handles_saving_to_a_list(self):
+        mylist = List.objects.create()
+        form = ItemForm(data={"text": "do re mi"})
+        new_item = form.save(for_list=mylist)
+        self.assertEqual(new_item, Item.objects.get())
+        self.assertEqual(new_item.text, "do re mi")
+        self.assertEqual(new_item.list, mylist)

src/apps/dashboard/views.py

@@ -22,7 +22,7 @@ def view_list(request, list_id):
     if request.method == "POST":
         form = ItemForm(data=request.POST)
         if form.is_valid():
-            Item.objects.create(text=request.POST["text"], list=our_list)
+            form.save(for_list=our_list)
             return redirect(our_list)
     return render(request, 'apps/dashboard/list.html', {'list': our_list, "form": form})