Make user node declaration in config optional

Author: BHouwens

src/compute_raft.rs

@@ -1903,7 +1903,7 @@ mod test {
                 address: compute_node.to_string(),
             }],
             storage_nodes: vec![],
-            user_nodes: vec![],
+            user_nodes: Some(vec![]),
             compute_raft: 0,
             compute_raft_tick_timeout: 10,
             compute_mining_event_timeout: 500,

src/configurations.rs

@@ -114,7 +114,7 @@ pub struct ComputeNodeConfig {
     /// All storage nodes addresses: only use first
     pub storage_nodes: Vec<NodeSpec>,
     /// All user nodes addresses
-    pub user_nodes: Vec<NodeSpec>,
+    pub user_nodes: Option<Vec<NodeSpec>>,
     /// Whether compute node will use raft or act independently (0)
     pub compute_raft: usize,
     /// API port

src/test_utils.rs

@@ -1136,6 +1136,17 @@ async fn init_compute(
 ) -> ArcComputeNode {
     let node_info = &info.node_infos[name];
     let compute_raft = usize::from(config.compute_raft);
+    let mut user_nodes = None;
+
+    if info.user_nodes.len() > 0 {
+        user_nodes = Some(
+            info.user_nodes.clone().into_iter()
+                .map(|v| NodeSpec {
+                    address: v.to_string(),
+                })
+                .collect::<Vec<NodeSpec>>(),
+        );
+    }
 
     let config = ComputeNodeConfig {
         compute_db_mode: node_info.db_mode,
@@ -1159,14 +1170,7 @@ async fn init_compute(
                 address: v.to_string(),
             })
             .collect::<Vec<NodeSpec>>(),
-        user_nodes: info
-            .user_nodes
-            .clone()
-            .into_iter()
-            .map(|v| NodeSpec {
-                address: v.to_string(),
-            })
-            .collect::<Vec<NodeSpec>>(),
+        user_nodes,
         compute_raft,
         compute_raft_tick_timeout: 200 / config.test_duration_divider,
         compute_mining_event_timeout: 500 / config.test_duration_divider,