in pkg/cloud/rgraph/testing/ez/factories.go [500:548]
func (f tcpRouteFactory) builder(g *Graph, n *Node) rnode.Builder {
id := f.id(g, n)
b := tcproute.NewBuilder(id)
setCommonOptions(n, b)
if b.State() == rnode.NodeExists {
ma := tcproute.NewMutableTcpRoute(id.ProjectID, id.Key)
err := ma.Access(func(x *networkservices.TcpRoute) {
for _, ref := range n.Refs {
switch ref.Field {
case "Rules.Action.Destinations.ServiceName":
if len(x.Rules) == 0 || x.Rules[0] == nil {
trrr := &networkservices.TcpRouteRouteRule{
Action: &networkservices.TcpRouteRouteAction{},
}
x.Rules = []*networkservices.TcpRouteRouteRule{trrr}
}
dst := &networkservices.TcpRouteRouteDestination{
ServiceName: g.ids.legacySelfLink(ref.To),
}
x.Rules[0].Action.Destinations = append(x.Rules[0].Action.Destinations, dst)
default:
panicf("invalid Ref Field: %q (must be one of [Rules.Destinations.ServiceName])", ref.Field)
}
}
if n.SetupFunc != nil {
sf, ok := n.SetupFunc.(func(x *networkservices.TcpRoute))
if !ok {
panicf("invalid type for SetupFunc: %T", n.SetupFunc)
}
sf(x)
}
})
if g.Options&PanicOnAccessErr != 0 && err != nil {
panicf("tcpRouteFactory %s: Access: %v", id, err)
}
r, err := ma.Freeze()
if err != nil {
panic(err)
}
err = b.SetResource(r)
if err != nil {
panic(err)
}
}
return b
}