Add basic application framework and example application to show interaction between events an NBI

Depends on:

• !340 (merged)
• !344 (merged)
• !349 (merged)
• !342 (merged)

controller/topology/nodes/nodeService_test.go

@@ -148,7 +148,7 @@ func TestNodeService_Update(t *testing.T) {
 		{
 			name: "should update an existing node",
 			fields: fields{
-				store: store.NewGenericStore[Node](),
+				store: getTestStoreWithNodes(t, []Node{getTestNode()}),
 			},
 			args: args{
 				node: getTestNode(),
@@ -194,7 +194,7 @@ func TestNodeService_Delete(t *testing.T) {
 		{
 			name: "should delete an existing node",
 			fields: fields{
-				store: store.NewGenericStore[Node](),
+				store: getTestStoreWithNodes(t, []Node{getTestNode()}),
 			},
 			args: args{
 				node: getTestNode(),
@@ -209,7 +209,7 @@ func TestNodeService_Delete(t *testing.T) {
 			args: args{
 				node: getTestNode(),
 			},
-			wantErr: false,
+			wantErr: true,
 		},
 	}
 	for _, tt := range tests {
@@ -295,7 +295,7 @@ func TestNodeService_GetAll(t *testing.T) {
 		wantErr bool
 	}{
 		{
-			name: "should fail if a node does not exists",
+			name: "should get all stored nodes",
 			fields: fields{
 				store: getTestStoreWithNodes(t, []Node{getTestNode()}),
 			},