// DebugTest is set when GODEBUG=gocachetest=1 is in the environment.
var DebugTest = false

func init() { initEnv() }

var (
	gocacheverify = godebug.New("gocacheverify")
	gocachehash   = godebug.New("gocachehash")
	gocachetest   = godebug.New("gocachetest")
)

func initEnv() {
	if gocacheverify.Value() == "1" {
		gocacheverify.IncNonDefault()
		verify = true
	}

	dnsProto "istio.io/istio/pkg/dns/proto"
	"istio.io/istio/pkg/test"
	"istio.io/istio/pkg/util/sets"
)

func TestDNSForwardParallel(t *testing.T) {
	d := initDNS(t, true)
	testDNS(t, d)
}

func TestDNS(t *testing.T) {
	d := initDNS(t, false)
	testDNS(t, d)
}

func TestBuildAlternateHosts(t *testing.T) {
	// Create the server instance without starting it, as it's unnecessary for this test

	t := &asyncIDTokenVerifier{}

	sync := make(chan struct{})
	// Polls indefinitely in an attempt to initialize the distributed claims
	// verifier, or until context canceled.
	initFn := func(ctx context.Context) (done bool, err error) {
		klog.V(4).Infof("oidc authenticator: attempting init: iss=%v", iss)
		v, err := initVerifier(ctx, c, iss, audiences)
		if err != nil {