waku-org/go-waku

package dnsdisc

import (
    "context"
    "net"
    "testing"
    "time"

    "github.com/stretchr/testify/require"
)

func TestResolver(t *testing.T) {
    ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
    defer cancel()

    resolver1 := GetResolver(ctx, "")
    require.Equal(t, net.DefaultResolver, resolver1)

    resolver2 := GetResolver(ctx, "1.1.1.1")
    require.NotEqual(t, net.DefaultResolver, resolver2)
    require.True(t, resolver2.PreferGo)

    cname, err := resolver2.LookupCNAME(ctx, "status.im")
    require.NoError(t, err)
    require.Equal(t, "status.im.", cname)
}