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| package dns
|
| import (
| "math/rand"
| "testing"
| "time"
|
| "github.com/google/go-cmp/cmp"
| "github.com/miekg/dns"
| "golang.org/x/net/dns/dnsmessage"
|
| "github.com/v2fly/v2ray-core/v5/common"
| "github.com/v2fly/v2ray-core/v5/common/net"
| dns_feature "github.com/v2fly/v2ray-core/v5/features/dns"
| )
|
| func Test_parseResponse(t *testing.T) {
| var p [][]byte
|
| ans := new(dns.Msg)
| ans.Id = 0
| p = append(p, common.Must2(ans.Pack()).([]byte))
|
| p = append(p, []byte{})
|
| ans = new(dns.Msg)
| ans.Id = 1
| ans.Answer = append(ans.Answer,
| common.Must2(dns.NewRR("google.com. IN CNAME m.test.google.com")).(dns.RR),
| common.Must2(dns.NewRR("google.com. IN CNAME fake.google.com")).(dns.RR),
| common.Must2(dns.NewRR("google.com. IN A 8.8.8.8")).(dns.RR),
| common.Must2(dns.NewRR("google.com. IN A 8.8.4.4")).(dns.RR),
| )
| p = append(p, common.Must2(ans.Pack()).([]byte))
|
| ans = new(dns.Msg)
| ans.Id = 2
| ans.Answer = append(ans.Answer,
| common.Must2(dns.NewRR("google.com. IN CNAME m.test.google.com")).(dns.RR),
| common.Must2(dns.NewRR("google.com. IN CNAME fake.google.com")).(dns.RR),
| common.Must2(dns.NewRR("google.com. IN CNAME m.test.google.com")).(dns.RR),
| common.Must2(dns.NewRR("google.com. IN CNAME test.google.com")).(dns.RR),
| common.Must2(dns.NewRR("google.com. IN AAAA 2001::123:8888")).(dns.RR),
| common.Must2(dns.NewRR("google.com. IN AAAA 2001::123:8844")).(dns.RR),
| )
| p = append(p, common.Must2(ans.Pack()).([]byte))
|
| tests := []struct {
| name string
| want *IPRecord
| wantErr bool
| }{
| {
| "empty",
| &IPRecord{0, []net.Address(nil), time.Time{}, dnsmessage.RCodeSuccess},
| false,
| },
| {
| "error",
| nil,
| true,
| },
| {
| "a record",
| &IPRecord{
| 1,
| []net.Address{net.ParseAddress("8.8.8.8"), net.ParseAddress("8.8.4.4")},
| time.Time{},
| dnsmessage.RCodeSuccess,
| },
| false,
| },
| {
| "aaaa record",
| &IPRecord{2, []net.Address{net.ParseAddress("2001::123:8888"), net.ParseAddress("2001::123:8844")}, time.Time{}, dnsmessage.RCodeSuccess},
| false,
| },
| }
| for i, tt := range tests {
| t.Run(tt.name, func(t *testing.T) {
| got, err := parseResponse(p[i])
| if (err != nil) != tt.wantErr {
| t.Errorf("handleResponse() error = %v, wantErr %v", err, tt.wantErr)
| return
| }
|
| if got != nil {
| // reset the time
| got.Expire = time.Time{}
| }
| if cmp.Diff(got, tt.want) != "" {
| t.Errorf(cmp.Diff(got, tt.want))
| // t.Errorf("handleResponse() = %#v, want %#v", got, tt.want)
| }
| })
| }
| }
|
| func Test_buildReqMsgs(t *testing.T) {
| stubID := func() uint16 {
| return uint16(rand.Uint32())
| }
| type args struct {
| domain string
| option dns_feature.IPOption
| reqOpts *dnsmessage.Resource
| }
| tests := []struct {
| name string
| args args
| want int
| }{
| {"dual stack", args{"test.com", dns_feature.IPOption{
| IPv4Enable: true,
| IPv6Enable: true,
| FakeEnable: false,
| }, nil}, 2},
| {"ipv4 only", args{"test.com", dns_feature.IPOption{
| IPv4Enable: true,
| IPv6Enable: false,
| FakeEnable: false,
| }, nil}, 1},
| {"ipv6 only", args{"test.com", dns_feature.IPOption{
| IPv4Enable: false,
| IPv6Enable: true,
| FakeEnable: false,
| }, nil}, 1},
| {"none/error", args{"test.com", dns_feature.IPOption{
| IPv4Enable: false,
| IPv6Enable: false,
| FakeEnable: false,
| }, nil}, 0},
| }
| for _, tt := range tests {
| t.Run(tt.name, func(t *testing.T) {
| if got := buildReqMsgs(tt.args.domain, tt.args.option, stubID, tt.args.reqOpts); !(len(got) == tt.want) {
| t.Errorf("buildReqMsgs() = %v, want %v", got, tt.want)
| }
| })
| }
| }
|
| func Test_genEDNS0Options(t *testing.T) {
| type args struct {
| clientIP net.IP
| }
| tests := []struct {
| name string
| args args
| want *dnsmessage.Resource
| }{
| // TODO: Add test cases.
| {"ipv4", args{net.ParseIP("4.3.2.1")}, nil},
| {"ipv6", args{net.ParseIP("2001::4321")}, nil},
| }
| for _, tt := range tests {
| t.Run(tt.name, func(t *testing.T) {
| if got := genEDNS0Options(tt.args.clientIP); got == nil {
| t.Errorf("genEDNS0Options() = %v, want %v", got, tt.want)
| }
| })
| }
| }
|
| func TestFqdn(t *testing.T) {
| type args struct {
| domain string
| }
| tests := []struct {
| name string
| args args
| want string
| }{
| {"with fqdn", args{"www.v2fly.org."}, "www.v2fly.org."},
| {"without fqdn", args{"www.v2fly.org"}, "www.v2fly.org."},
| }
| for _, tt := range tests {
| t.Run(tt.name, func(t *testing.T) {
| if got := Fqdn(tt.args.domain); got != tt.want {
| t.Errorf("Fqdn() = %v, want %v", got, tt.want)
| }
| })
| }
| }
|
|
