package resolver_test import ( "context" "testing" "github.com/apex/log" "github.com/ooni/probe-cli/v3/internal/engine/netx/resolver" ) func TestLoggingResolver(t *testing.T) { r := resolver.LoggingResolver{ Logger: log.Log, Resolver: resolver.NewFakeResolverThatFails(), } addrs, err := r.LookupHost(context.Background(), "www.google.com") if err == nil { t.Fatal("expected an error here") } if addrs != nil { t.Fatal("expected nil addr here") } }