adding test and refactor

apps/wakunode2/app.nim

@@ -85,6 +85,38 @@ func node*(app: App): WakuNode =
 func version*(app: App): string =
   app.version
 
+## Retrieve dynamic bootstrap nodes (DNS discovery)
+
+proc retrieveDynamicBootstrapNodes(dnsDiscovery: bool,
+                                    dnsDiscoveryUrl: string,
+                                    dnsDiscoveryNameServers: seq[IpAddress]):
+                                    Result[seq[RemotePeerInfo], string] =
+
+  if dnsDiscovery and dnsDiscoveryUrl != "":
+    # DNS discovery
+    debug "Discovering nodes using Waku DNS discovery", url=dnsDiscoveryUrl
+
+    var nameServers: seq[TransportAddress]
+    for ip in dnsDiscoveryNameServers:
+      nameServers.add(initTAddress(ip, Port(53))) # Assume all servers use port 53
+
+    let dnsResolver = DnsResolver.new(nameServers)
+
+    proc resolver(domain: string): Future[string] {.async, gcsafe.} =
+      trace "resolving", domain=domain
+      let resolved = await dnsResolver.resolveTxt(domain)
+      return resolved[0] # Use only first answer
+
+    var wakuDnsDiscovery = WakuDnsDiscovery.init(dnsDiscoveryUrl, resolver)
+    if wakuDnsDiscovery.isOk():
+      return wakuDnsDiscovery.get().findPeers()
+        .mapErr(proc (e: cstring): string = $e)
+    else:
+      warn "Failed to init Waku DNS discovery"
+
+  debug "No method for retrieving dynamic bootstrap nodes specified."
+  ok(newSeq[RemotePeerInfo]()) # Return an empty seq by default
+
 ## Initialisation
 
 proc init*(T: type App, conf: WakuNodeConf): Result[App, string] =

tests/factory/test_node_factory.nim

@@ -6,7 +6,8 @@ import
 
 import
   ../testlib/wakunode,
-  ../../waku/factory/node_factory
+  ../../waku/factory/node_factory,
+  ../../waku/waku_node
 
 suite "Node Factory":
   test "Set up a node based on default configurations":    
@@ -44,7 +45,25 @@ test "Set up a node with Filter enabled":
     
     check:
       not node.isNil()
-      not node.wakuFilter.isNil()    
-
+      not node.wakuFilter.isNil()
+
+test "Start a node based on default configurations":    
+    let conf = defaultTestWakuNodeConf()
+
+    let node = setupNode(conf).valueOr:
+      raiseAssert error
+    
+    assert not node.isNil(), "Node can't be nil"
+    
+    let startRes = catch: (waitFor startNode(node, conf))
+    
+    assert not startRes.isErr(), "Exception starting node"
+    assert startRes.get().isOk(), "Error starting node " & startRes.get().error
+
+    check:
+      node.started == true
+    
+    ## Cleanup
+    waitFor node.stop()
 
 

waku/factory/node_factory.nim

@@ -33,7 +33,7 @@ import
 ## Peer persistence
 
 const PeerPersistenceDbUrl = "peers.db"
-proc setupPeerStorage*(): Result[Option[WakuPeerStorage], string] =
+proc setupPeerStorage(): Result[Option[WakuPeerStorage], string] =
   let db = ? SqliteDatabase.new(PeerPersistenceDbUrl)
 
   ? peer_store_sqlite_migrations.migrate(db)
@@ -44,41 +44,9 @@ proc setupPeerStorage*(): Result[Option[WakuPeerStorage], string] =
 
   ok(some(res.value))
 
-## Retrieve dynamic bootstrap nodes (DNS discovery)
-
-proc retrieveDynamicBootstrapNodes*(dnsDiscovery: bool,
-                                    dnsDiscoveryUrl: string,
-                                    dnsDiscoveryNameServers: seq[IpAddress]):
-                                    Result[seq[RemotePeerInfo], string] =
-
-  if dnsDiscovery and dnsDiscoveryUrl != "":
-    # DNS discovery
-    debug "Discovering nodes using Waku DNS discovery", url=dnsDiscoveryUrl
-
-    var nameServers: seq[TransportAddress]
-    for ip in dnsDiscoveryNameServers:
-      nameServers.add(initTAddress(ip, Port(53))) # Assume all servers use port 53
-
-    let dnsResolver = DnsResolver.new(nameServers)
-
-    proc resolver(domain: string): Future[string] {.async, gcsafe.} =
-      trace "resolving", domain=domain
-      let resolved = await dnsResolver.resolveTxt(domain)
-      return resolved[0] # Use only first answer
-
-    var wakuDnsDiscovery = WakuDnsDiscovery.init(dnsDiscoveryUrl, resolver)
-    if wakuDnsDiscovery.isOk():
-      return wakuDnsDiscovery.get().findPeers()
-        .mapErr(proc (e: cstring): string = $e)
-    else:
-      warn "Failed to init Waku DNS discovery"
-
-  debug "No method for retrieving dynamic bootstrap nodes specified."
-  ok(newSeq[RemotePeerInfo]()) # Return an empty seq by default
-
 ## Init waku node instance
 
-proc initNode*(conf: WakuNodeConf,
+proc initNode(conf: WakuNodeConf,
               netConfig: NetConfig,
               rng: ref HmacDrbgContext,
               nodeKey: crypto.PrivateKey,
@@ -130,7 +98,7 @@ proc initNode*(conf: WakuNodeConf,
 
 ## Mount protocols
 
-proc setupProtocols*(node: WakuNode,
+proc setupProtocols(node: WakuNode,
                     conf: WakuNodeConf,
                     nodeKey: crypto.PrivateKey):
                     Future[Result[void, string]] {.async.} =