notify router: read custom flows and disabled built-ins from a stored document

swarm-notify-router/src/event.rs

@@ -163,6 +163,22 @@ mod tests {
         }
     }
 
+    /// The names a stored flow may read are the ones `fields` produces.
+    #[test]
+    fn the_fields_are_the_ones_a_stored_flow_may_name() {
+        let d = Delivery::parse(&issue_assign("assigned", &["atlas"])).expect("parses");
+        for event in ["issues", "issue_assign"] {
+            let mut got: Vec<&str> = fields(event, &d, &Snapshot::default())
+                .keys()
+                .copied()
+                .collect();
+            let mut want = swarm_wire::notify_flows::FIELDS.to_vec();
+            got.sort_unstable();
+            want.sort_unstable();
+            assert_eq!(got, want, "{event}");
+        }
+    }
+
     #[test]
     fn an_issue_delivery_reads_back_its_fields() {
         let d = Delivery::parse(&issue_assign("assigned", &["atlas", "iris"])).expect("parses");