How to use newResolver method of netext Package

Best K6 code snippet using netext.newResolver

dialer_test.go

Source:dialer_test.go Github

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...26 "go.k6.io/k6/lib/testutils/mockresolver"27 "go.k6.io/k6/lib/types"28)29func TestDialerAddr(t *testing.T) {30 dialer := NewDialer(net.Dialer{}, newResolver())31 dialer.Hosts = map[string]*lib.HostAddress{32 "example.com": {IP: net.ParseIP("3.4.5.6")},33 "example.com:443": {IP: net.ParseIP("3.4.5.6"), Port: 8443},34 "example.com:8080": {IP: net.ParseIP("3.4.5.6"), Port: 9090},35 "example-deny-host.com": {IP: net.ParseIP("8.9.10.11")},36 "example-ipv6.com": {IP: net.ParseIP("2001:db8::68")},37 "example-ipv6.com:443": {IP: net.ParseIP("2001:db8::68"), Port: 8443},38 "example-ipv6-deny-host.com": {IP: net.ParseIP("::1")},39 }40 ipNet, err := lib.ParseCIDR("8.9.10.0/24")41 require.NoError(t, err)42 ipV6Net, err := lib.ParseCIDR("::1/24")43 require.NoError(t, err)44 dialer.Blacklist = []*lib.IPNet{ipNet, ipV6Net}45 testCases := []struct {46 address, expAddress, expErr string47 }{48 // IPv449 {"example-resolver.com:80", "1.2.3.4:80", ""},50 {"example.com:80", "3.4.5.6:80", ""},51 {"example.com:443", "3.4.5.6:8443", ""},52 {"example.com:8080", "3.4.5.6:9090", ""},53 {"1.2.3.4:80", "1.2.3.4:80", ""},54 {"1.2.3.4", "", "address 1.2.3.4: missing port in address"},55 {"example-deny-resolver.com:80", "", "IP (8.9.10.11) is in a blacklisted range (8.9.10.0/24)"},56 {"example-deny-host.com:80", "", "IP (8.9.10.11) is in a blacklisted range (8.9.10.0/24)"},57 {"no-such-host.com:80", "", "lookup no-such-host.com: no such host"},58 // IPv659 {"example-ipv6.com:443", "[2001:db8::68]:8443", ""},60 {"[2001:db8:aaaa:1::100]:443", "[2001:db8:aaaa:1::100]:443", ""},61 {"[::1.2.3.4]", "", "address [::1.2.3.4]: missing port in address"},62 {"example-ipv6-deny-resolver.com:80", "", "IP (::1) is in a blacklisted range (::/24)"},63 {"example-ipv6-deny-host.com:80", "", "IP (::1) is in a blacklisted range (::/24)"},64 {"example-ipv6-deny-host.com:80", "", "IP (::1) is in a blacklisted range (::/24)"},65 }66 for _, tc := range testCases {67 tc := tc68 t.Run(tc.address, func(t *testing.T) {69 addr, err := dialer.getDialAddr(tc.address)70 if tc.expErr != "" {71 require.EqualError(t, err, tc.expErr)72 } else {73 require.NoError(t, err)74 require.Equal(t, tc.expAddress, addr)75 }76 })77 }78}79func TestDialerAddrBlockHostnamesStar(t *testing.T) {80 dialer := NewDialer(net.Dialer{}, newResolver())81 dialer.Hosts = map[string]*lib.HostAddress{82 "example.com": {IP: net.ParseIP("3.4.5.6")},83 }84 blocked, err := types.NewHostnameTrie([]string{"*"})85 require.NoError(t, err)86 dialer.BlockedHostnames = blocked87 testCases := []struct {88 address, expAddress, expErr string89 }{90 // IPv491 {"example.com:80", "", "hostname (example.com) is in a blocked pattern (*)"},92 {"example.com:443", "", "hostname (example.com) is in a blocked pattern (*)"},93 {"not.com:30", "", "hostname (not.com) is in a blocked pattern (*)"},94 {"1.2.3.4:80", "1.2.3.4:80", ""},95 }96 for _, tc := range testCases {97 tc := tc98 t.Run(tc.address, func(t *testing.T) {99 addr, err := dialer.getDialAddr(tc.address)100 if tc.expErr != "" {101 require.EqualError(t, err, tc.expErr)102 } else {103 require.NoError(t, err)104 require.Equal(t, tc.expAddress, addr)105 }106 })107 }108}109func newResolver() *mockresolver.MockResolver {110 return mockresolver.New(111 map[string][]net.IP{112 "example-resolver.com": {net.ParseIP("1.2.3.4")},113 "example-deny-resolver.com": {net.ParseIP("8.9.10.11")},114 "example-ipv6-deny-resolver.com": {net.ParseIP("::1")},115 }, nil,116 )117}...

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newResolver

Using AI Code Generation

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1import (2func init() {3 modules.Register("k6/x/netext", new(netext))4}5type netext struct{}6func (e *netext) NewResolver(ctxPtr *context.Context) *Resolver {7 r := &Resolver{}8 r.state = ctxPtr.GetState(r)9 r.state.Lock()10 defer r.state.Unlock()11 if r.state.VU == nil {12 r.state.Logger.Warn("netext.NewResolver() called in the init context, this won't work as expected")13 }14 r.state.VU.Runtime.Set("__ENV", common.Bind(r.state.VU.Env, ctxPtr, nil))15 r.state.VU.Runtime.Set("__VU", common.Bind(r.state.VU, ctxPtr, nil))16 r.state.VU.Runtime.Set("__ITER", common.Bind(r.state.VU.Iteration, ctxPtr, nil))17}18type Resolver struct {19}20func (r *Resolver) LookupIP(host string) ([]net.IP, error) {21 r.state.Lock()22 defer r.state.Unlock()23 if r.state.VU == nil {24 return nil, errors.New("netext.Resolver.LookupIP() called in the init context, this won't work as expected")25 }26 return r.state.VU.Runtime.LookupIP(host)27}28func (r *Runtime) LookupIP(host string) ([]net.IP, error) {29 if r == nil {30 return nil, errors.New("LookupIP() called on a nil Runtime")31 }32 return net.DefaultResolver.LookupIP(r.ctx, "ip", host)33}34import (35func init() {36 modules.Register("k6/x/netext", new(netext))37}

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newResolver

Using AI Code Generation

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1import (2func main() {3 resolver := netext.NewResolver()4 addrs, _ := resolver.LookupHost("www.google.com")5 fmt.Println(addrs)6}7import (8func main() {9 resolver := netext.NewResolver()10 addrs, _ := resolver.LookupHost("www.google.com")11 fmt.Println(addrs)12}13import (14func main() {15 resolver := netext.NewResolver()16 addrs, _ := resolver.LookupHost("www.google.com")17 fmt.Println(addrs)18}19import (20func main() {21 resolver := netext.NewResolver()22 addrs, _ := resolver.LookupHost("www.google.com")23 fmt.Println(addrs)24}25import (26func main() {27 resolver := netext.NewResolver()28 addrs, _ := resolver.LookupHost("www.google.com")29 fmt.Println(addrs)30}31import (32func main() {33 resolver := netext.NewResolver()34 addrs, _ := resolver.LookupHost("www.google.com")35 fmt.Println(addrs)36}37import (38func main() {39 resolver := netext.NewResolver()40 addrs, _ := resolver.LookupHost("www.google.com")41 fmt.Println(addrs)42}43import (44func main() {45 resolver := netext.NewResolver()46 addrs, _ := resolver.LookupHost("

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newResolver

Using AI Code Generation

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1import (2func main() {3 r := netext.NewResolver()4 r.Dialer = &net.Dialer{5 }6 r.Dial = func(ctx context.Context, network, address string) (net.Conn, error) {7 d := net.Dialer{}8 return d.DialContext(ctx, "udp", "

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newResolver

Using AI Code Generation

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1import (2func main() {3 resolver := netext.NewResolver()4 addresses, err := resolver.LookupHost("example.com")5 if err != nil {6 panic(err)7 }8 for _, address := range addresses {9 fmt.Println(address)10 }11}12import (13func main() {14 resolver := netext.NewResolver()15 addresses, err := resolver.LookupHost("example.com")16 if err != nil {17 panic(err)18 }19 for _, address := range addresses {20 fmt.Println(address)21 }22}23import (24func main() {25 resolver := netext.NewResolver()26 addresses, err := resolver.LookupHost("example.com")27 if err != nil {28 panic(err)29 }30 for _, address := range addresses {31 fmt.Println(address)32 }33}34import (35func main() {36 resolver := netext.NewResolver()37 addresses, err := resolver.LookupHost("example.com")38 if err != nil {39 panic(err)40 }41 for _, address := range addresses {42 fmt.Println(address)43 }44}45import (46func main() {47 resolver := netext.NewResolver()48 addresses, err := resolver.LookupHost("example.com")49 if err != nil {50 panic(err)51 }52 for _, address := range addresses {53 fmt.Println(address)54 }55}56import (57func main() {58 resolver := netext.NewResolver()59 addresses, err := resolver.LookupHost("example.com")60 if err != nil {61 panic(err)62 }63 for _, address := range addresses {

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newResolver

Using AI Code Generation

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1func main() {2}3func main() {4}5func main() {6}7func main() {8}9func main() {10}11func main() {12}13func main() {14}15func main() {16}

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newResolver

Using AI Code Generation

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1resolvers, err := netext.ResolverList(netext.NewResolver())2if err != nil {3}4resolvers, err := netext.ResolverList(netext.NewResolver())5if err != nil {6}7resolvers, err := netext.ResolverList(netext.NewResolver())8if err != nil {9}10resolvers, err := netext.ResolverList(netext.NewResolver())11if err != nil {12}13resolvers, err := netext.ResolverList(netext.NewResolver())14if err != nil {15}16resolvers, err := netext.ResolverList(netext.NewResolver())17if err != nil {18}19resolvers, err := netext.ResolverList(netext.NewResolver())20if err != nil {21}22resolvers, err := netext.ResolverList(netext.NewResolver())23if err != nil {24}25resolvers, err := netext.ResolverList(netext.NewResolver())26if err != nil {27}28resolvers, err := netext.ResolverList(netext.NewResolver())29if err != nil {30}31resolvers, err := netext.ResolverList(netext.NewResolver())32if err != nil {33}34resolvers, err := netext.ResolverList(netext.NewResolver())35if err != nil {36}37resolvers, err := netext.ResolverList(netext

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newResolver

Using AI Code Generation

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1func main() {2 r := netext.NewResolver()3 ip, err := r.LookupIPAddr("example.com")4 if err != nil {5 panic(err)6 }7 fmt.Println(ip)8}9func main() {10 r := netext.NewResolver()11 ip, err := r.LookupIPAddr("example.com")12 if err != nil {13 panic(err)14 }15 fmt.Println(ip)16}17func main() {18 r := netext.NewResolver()19 ip, err := r.LookupIPAddr("example.com")20 if err != nil {21 panic(err)22 }23 fmt.Println(ip)24}25func main() {26 r := netext.NewResolver()27 ip, err := r.LookupIPAddr("example.com")28 if err != nil {29 panic(err)30 }31 fmt.Println(ip)32}

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