decimal precision constrained

web/src/pages/add_table/ui.rs

@@ -245,11 +245,18 @@ mod tests {
         assert!(html.contains("Every profile can use this shared table."));
     }
 
-    /// Every type the server accepts has to be reachable from the picker, or
-    /// the web UI silently offers less than the backend does.
+    /// Fixed-scale decimal is the one intentionally gated type; enabling the
+    /// advanced control makes it reachable without removing server support.
     #[test]
     fn the_type_picker_offers_the_parameterised_and_interval_types() {
-        let html = render_builder(&page());
+        let mut state = page();
+        let html = render_builder(&state);
+
+        assert!(!html.contains(r#"<option value="decimal""#));
+        assert!(html.contains(r#"name="fixed_decimal_input""#));
+
+        state.draft.columns.fixed_decimal_input = "yes".to_string();
+        let html = render_builder(&state);
 
         for column_type in ["decimal", "duration", "period", "accounting"] {
             assert!(
@@ -273,10 +280,12 @@ mod tests {
         assert!(render_builder(&state).contains(r#"name="gtin_type_input""#));
 
         // Decimal reveals its precision and scale.
+        state.draft.columns.fixed_decimal_input = "yes".to_string();
         state.draft.columns.type_input = "decimal".to_string();
         let html = render_builder(&state);
         assert!(html.contains(r#"name="decimal_precision_input""#));
         assert!(html.contains(r#"name="decimal_scale_input""#));
+        assert!(html.contains("Advanced fixed-scale decimal"));
 
         // Money reveals its currency and rounding inputs.
         state.draft.columns.type_input = "money".to_string();