adding test_node_factory file and initial tests

tests/factory/test_node_factory.nim

@@ -0,0 +1,39 @@
+{.used.}
+
+import
+  testutils/unittests,
+  chronos
+
+import
+  ../testlib/wakunode,
+  ../../waku/factory/node_factory
+
+suite "Node Factory":
+  test "Set up a node based on default configurations":    
+    let conf = defaultTestWakuNodeConf()
+
+    let node = setupNode(conf).valueOr:
+      raiseAssert error
+    
+    check:
+      not node.isNil()
+      node.wakuArchive.isNil()
+      node.wakuStore.isNil()
+      not node.wakuStoreClient.isNil()
+      not node.rendezvous.isNil()
+  
+  test "Set up a node with Store enabled":    
+    var conf = defaultTestWakuNodeConf()
+    conf.store = true
+    
+    let node = setupNode(conf).valueOr:
+      raiseAssert error
+    
+    check:
+      not node.isNil()
+      not node.wakuStore.isNil()
+      not node.wakuArchive.isNil()
+    
+
+
+

tests/testlib/wakunode.nim

@@ -35,7 +35,8 @@ proc defaultTestWakuNodeConf*(): WakuNodeConf =
     maxMessageSize: "1024 KiB",
     clusterId: 1.uint32,
     topics: @["/waku/2/rs/1/0"],
-    relay: true
+    relay: true,
+    storeMessageDbUrl: "sqlite://store.sqlite3"
   )
 
 proc newTestWakuNode*(nodeKey: crypto.PrivateKey,