new name @property in List model, replete w. proper testing in tests.test_models

src/apps/dashboard/models.py

@@ -10,6 +10,10 @@ class List(models.Model):
         on_delete=models.CASCADE,
     )
 
+    @property
+    def name(self):
+        return self.item_set.first().text
+
     def get_absolute_url(self):
         return reverse("view_list", args=[self.id])
 

src/apps/dashboard/tests/test_models.py

@@ -68,3 +68,9 @@ class ListModelTest(TestCase):
 
         def test_list_owner_is_optional(self):
             List.objects.create()
+
+        def test_list_name_is_first_item_text(self):
+            list_ = List.objects.create()
+            Item.objects.create(list=list_, text="first item")
+            Item.objects.create(list=list_, text="second item")
+            self.assertEqual(list_.name, "first item")