hive-forge: unit-test blocking_open_count

hive-forge/src/verbs/list.rs

@@ -338,6 +338,23 @@ mod tests {
         assert_eq!(dep_progress(&deps), Some((0, 2)));
     }
 
+    #[test]
+    fn blocking_open_count_zero_when_none_blocking() {
+        assert_eq!(blocking_open_count(&[]), 0);
+    }
+
+    #[test]
+    fn blocking_open_count_ignores_closed_ones() {
+        let blocking = [dep("closed"), dep("closed")];
+        assert_eq!(blocking_open_count(&blocking), 0);
+    }
+
+    #[test]
+    fn blocking_open_count_counts_only_open_ones() {
+        let blocking = [dep("closed"), dep("open"), dep("open")];
+        assert_eq!(blocking_open_count(&blocking), 2);
+    }
+
     #[test]
     fn kind_query_types_match_forgejo_enum() {
         // The forge accepts only `issues` / `pulls` for the `type`