add unit test for element dot delete

arkindex/documents/tests/test_destroy_elements.py

@@ -467,3 +467,14 @@ class TestDestroyElements(FixtureAPITestCase):
             'user_id': self.user.id,
             'description': 'Element deletion',
         })
+
+    def test_element_dot_delete(self):
+        """
+        test Element.delete method
+        """
+        self.maxDiff = None
+        self.client.force_login(self.user)
+        with self.assertExactQueries('element_dot_delete.sql', params={'id': str(self.vol.id)}):
+            self.vol.delete()
+        with self.assertRaises(Element.DoesNotExist):
+            self.vol.refresh_from_db()

arkindex/sql_validation/element_dot_delete.sql

+DELETE FROM documents_transcriptionentity te WHERE transcription_id IN (
+    SELECT t.id FROM documents_transcription t
+    LEFT JOIN documents_elementpath elementpath USING (element_id)
+    WHERE t.element_id = '{id}'::uuid OR elementpath.path && ARRAY['{id}'::uuid]
+) ;
+
+DELETE FROM documents_transcription
+WHERE element_id = '{id}'::uuid
+OR element_id IN (
+    SELECT element_id FROM documents_elementpath WHERE path && ARRAY['{id}'::uuid]
+) ;
+
+DELETE FROM documents_classification
+WHERE element_id = '{id}'::uuid
+OR element_id IN (
+    SELECT element_id FROM documents_elementpath WHERE path && ARRAY['{id}'::uuid]
+) ;
+
+DELETE FROM documents_metadata
+WHERE element_id = '{id}'::uuid
+OR element_id IN (
+    SELECT element_id FROM documents_elementpath WHERE path && ARRAY['{id}'::uuid]
+ ) ;
+
+DELETE FROM dataimport_dataimportelement
+WHERE element_id = '{id}'::uuid
+OR element_id IN (
+    SELECT element_id FROM documents_elementpath WHERE path && ARRAY['{id}'::uuid]
+) ;
+
+UPDATE dataimport_dataimport
+SET element_id = NULL
+WHERE element_id = '{id}'::uuid
+OR element_id IN (
+    SELECT element_id FROM documents_elementpath WHERE path && ARRAY['{id}'::uuid]
+) ;
+
+DELETE FROM documents_selection selection
+WHERE element_id = '{id}'::uuid
+OR element_id IN (
+    SELECT element_id FROM documents_elementpath WHERE path && ARRAY['{id}'::uuid]
+) ;
+
+DELETE FROM dataimport_workeractivity
+WHERE element_id = '{id}'::uuid
+OR element_id IN (
+    SELECT element_id FROM documents_elementpath WHERE path && ARRAY['{id}'::uuid]
+) ;
+
+WITH children_ids (id) AS (
+    DELETE FROM documents_elementpath
+    WHERE element_id = '{id}'::uuid OR path && ARRAY['{id}'::uuid]
+    RETURNING element_id
+)
+DELETE FROM documents_element element
+USING children_ids
+WHERE element.id = children_ids.id ;
+
+DELETE
+FROM "documents_element"
+WHERE "documents_element"."id" = '{id}'::uuid
\ No newline at end of file