diff --git a/models/nodes_test.go b/models/nodes_test.go
index 51b54e8..50006e2 100644
--- a/models/nodes_test.go
+++ b/models/nodes_test.go
@@ -5,6 +5,7 @@ import (
 	"os"
 	"testing"
 
+	"github.com/FreifunkBremen/respond-collector/data"
 	"github.com/stretchr/testify/assert"
 )
 
@@ -23,3 +24,18 @@ func TestLoadAndSave(t *testing.T) {
 
 	assert.Equal(1, len(nodes.List))
 }
+
+func TestUpdateNodes(t *testing.T) {
+	assert := assert.New(t)
+	nodes := &Nodes{List: make(map[string]*Node)}
+	assert.Equal(0, len(nodes.List))
+
+	res := &data.ResponseData{
+		Neighbours: &data.Neighbours{},
+		Statistics: &data.Statistics{},
+		NodeInfo:   &data.NodeInfo{},
+	}
+	nodes.Update("abcdef012345", res)
+
+	assert.Equal(1, len(nodes.List))
+}