lookup_test.go

package proxy

import (
	"context"
	"net/netip"
	"testing"

	"github.com/AdguardTeam/dnsproxy/upstream"
	"github.com/AdguardTeam/golibs/logutil/slogutil"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestLookupNetIP(t *testing.T) {
	// Use AdGuard DNS here.
	dnsUpstream, err := upstream.AddressToUpstream(
		"94.140.14.14",
		&upstream.Options{
			Logger:  slogutil.NewDiscardLogger(),
			Timeout: defaultTimeout,
		},
	)
	require.NoError(t, err)

	conf := &Config{
		Logger: slogutil.NewDiscardLogger(),
		UpstreamConfig: &UpstreamConfig{
			Upstreams: []upstream.Upstream{dnsUpstream},
		},
	}

	p, err := New(conf)
	require.NoError(t, err)

	// Now let's try doing some lookups.
	addrs, err := p.LookupNetIP(context.Background(), "", "dns.google")
	require.NoError(t, err)
	require.NotEmpty(t, addrs)

	assert.Contains(t, addrs, netip.MustParseAddr("8.8.8.8"))
	assert.Contains(t, addrs, netip.MustParseAddr("8.8.4.4"))
	if len(addrs) > 2 {
		assert.Contains(t, addrs, netip.MustParseAddr("2001:4860:4860::8888"))
		assert.Contains(t, addrs, netip.MustParseAddr("2001:4860:4860::8844"))
	}
}