Feature: DT-1813 Validate visualisation catalogue item description to…

… at least 30 words (#3004)

* Validate visualisation catalogue item description to at least 30 words

* Allow description to be empty

dataworkspace/dataworkspace/apps/datasets/models.py

@@ -2772,6 +2772,10 @@ def data_is_actively_updated(self):
     def __str__(self):
         return self.name
 
+    def clean(self):
+        if self.description and len(re.findall(r"\w+", self.description)) < 30:
+            raise ValidationError("Description must contain 30 or more words")
+
 
 class AdminVisualisationUserPermission(models.Model):
     user = models.ForeignKey(get_user_model(), on_delete=models.CASCADE)

dataworkspace/dataworkspace/tests/test_admin.py

@@ -3807,3 +3807,20 @@ def test_source_table_reporting_disabled(self, staff_client):
 
         assert response.status_code == 200
         assert SourceTable.objects.count() == num_tables + 1
+
+
+class TestVisualisationCatalogueItemAdmin(BaseAdminTestCase):
+    def test_update_visualisation_with_description_not_long_enough(self):
+        dataset = factories.VisualisationCatalogueItemFactory.create()
+        response = self._authenticated_post(
+            reverse("admin:datasets_visualisationcatalogueitem_change", args=(dataset.id,)),
+            {
+                "published": dataset.published,
+                "name": dataset.name,
+                "slug": dataset.slug,
+                "short_description": "test short description",
+                "description": "not long enough description",
+                "type": 2,
+            },
+        )
+        self.assertContains(response, "Description must contain 30 or more words")