package pflag
import (
"fmt"
"net"
"strings"
"testing"
)
func setUpIPSFlagSet(ipsp *[]net.IP) *FlagSet {
f := NewFlagSet("test", ContinueOnError)
f.IPSliceVar(ipsp, "ips", []net.IP{}, "Command separated list!")
return f
}
func setUpIPSFlagSetWithDefault(ipsp *[]net.IP) *FlagSet {
f := NewFlagSet("test", ContinueOnError)
f.IPSliceVar(ipsp, "ips",
[]net.IP{
net.ParseIP("192.168.1.1"),
net.ParseIP("0:0:0:0:0:0:0:1"),
},
"Command separated list!")
return f
}
func TestEmptyIP(t *testing.T) {
var ips []net.IP
f := setUpIPSFlagSet(&ips)
err := f.Parse([]string{})
if err != nil {
t.Fatal("expected no error; got", err)
}
getIPS, err := f.GetIPSlice("ips")
if err != nil {
t.Fatal("got an error from GetIPSlice():", err)
}
if len(getIPS) != 0 {
t.Fatalf("got ips %v with len=%d but expected length=0", getIPS, len(getIPS))
}
}
func TestIPS(t *testing.T) {
var ips []net.IP
f := setUpIPSFlagSet(&ips)
vals := []string{"192.168.1.1", "10.0.0.1", "0:0:0:0:0:0:0:2"}
arg := fmt.Sprintf("--ips=%s", strings.Join(vals, ","))
err := f.Parse([]string{arg})
if err != nil {
t.Fatal("expected no error; got", err)
}
for i, v := range ips {
if ip := net.ParseIP(vals[i]); ip == nil {
t.Fatalf("invalid string being converted to IP address: %s", vals[i])
} else if !ip.Equal(v) {
t.Fatalf("expected ips[%d] to be %s but got: %s from GetIPSlice", i, vals[i], v)
}
}
}
func TestIPSDefault(t *testing.T) {
var ips []net.IP
f := setUpIPSFlagSetWithDefault(&ips)
vals := []string{"192.168.1.1", "0:0:0:0:0:0:0:1"}
err := f.Parse([]string{})
if err != nil {
t.Fatal("expected no error; got", err)
}
for i, v := range ips {
if ip := net.ParseIP(vals[i]); ip == nil {
t.Fatalf("invalid string being converted to IP address: %s", vals[i])
} else if !ip.Equal(v) {
t.Fatalf("expected ips[%d] to be %s but got: %s", i, vals[i], v)
}
}
getIPS, err := f.GetIPSlice("ips")
if err != nil {
t.Fatal("got an error from GetIPSlice")
}
for i, v := range getIPS {
if ip := net.ParseIP(vals[i]); ip == nil {
t.Fatalf("invalid string being converted to IP address: %s", vals[i])
} else if !ip.Equal(v) {
t.Fatalf("expected ips[%d] to be %s but got: %s", i, vals[i], v)
}
}
}
func TestIPSWithDefault(t *testing.T) {
var ips []net.IP
f := setUpIPSFlagSetWithDefault(&ips)
vals := []string{"192.168.1.1", "0:0:0:0:0:0:0:1"}
arg := fmt.Sprintf("--ips=%s", strings.Join(vals, ","))
err := f.Parse([]string{arg})
if err != nil {
t.Fatal("expected no error; got", err)
}
for i, v := range ips {
if ip := net.ParseIP(vals[i]); ip == nil {
t.Fatalf("invalid string being converted to IP address: %s", vals[i])
} else if !ip.Equal(v) {
t.Fatalf("expected ips[%d] to be %s but got: %s", i, vals[i], v)
}
}
getIPS, err := f.GetIPSlice("ips")
if err != nil {
t.Fatal("got an error from GetIPSlice")
}
for i, v := range getIPS {
if ip := net.ParseIP(vals[i]); ip == nil {
t.Fatalf("invalid string being converted to IP address: %s", vals[i])
} else if !ip.Equal(v) {
t.Fatalf("expected ips[%d] to be %s but got: %s", i, vals[i], v)
}
}
}
func TestIPSCalledTwice(t *testing.T) {
var ips []net.IP
f := setUpIPSFlagSet(&ips)
in := []string{"192.168.1.2,0:0:0:0:0:0:0:1", "10.0.0.1"}
expected := []net.IP{net.ParseIP("192.168.1.2"), net.ParseIP("0:0:0:0:0:0:0:1"), net.ParseIP("10.0.0.1")}
argfmt := "ips=%s"
arg1 := fmt.Sprintf(argfmt, in[0])
arg2 := fmt.Sprintf(argfmt, in[1])
err := f.Parse([]string{arg1, arg2})
if err != nil {
t.Fatal("expected no error; got", err)
}
for i, v := range ips {
if !expected[i].Equal(v) {
t.Fatalf("expected ips[%d] to be %s but got: %s", i, expected[i], v)
}
}
}
func TestIPSAsSliceValue(t *testing.T) {
var ips []net.IP
f := setUpIPSFlagSet(&ips)
in := []string{"192.168.1.1", "0:0:0:0:0:0:0:1"}
argfmt := "--ips=%s"
arg1 := fmt.Sprintf(argfmt, in[0])
arg2 := fmt.Sprintf(argfmt, in[1])
err := f.Parse([]string{arg1, arg2})
if err != nil {
t.Fatal("expected no error; got", err)
}
f.VisitAll(func(f *Flag) {
if val, ok := f.Value.(SliceValue); ok {
_ = val.Replace([]string{"192.168.1.2"})
}
})
if len(ips) != 1 || !ips[0].Equal(net.ParseIP("192.168.1.2")) {
t.Fatalf("Expected ss to be overwritten with '192.168.1.2', but got: %v", ips)
}
}
func TestIPSBadQuoting(t *testing.T) {
tests := []struct {
Want []net.IP
FlagArg []string
}{
{
Want: []net.IP{
net.ParseIP("a4ab:61d:f03e:5d7d:fad7:d4c2:a1a5:568"),
net.ParseIP("203.107.49.208"),
net.ParseIP("14.57.204.90"),
},
FlagArg: []string{
"a4ab:61d:f03e:5d7d:fad7:d4c2:a1a5:568",
"203.107.49.208",
"14.57.204.90",
},
},
{
Want: []net.IP{
net.ParseIP("204.228.73.195"),
net.ParseIP("86.141.15.94"),
},
FlagArg: []string{
"204.228.73.195",
"86.141.15.94",
},
},
{
Want: []net.IP{
net.ParseIP("c70c:db36:3001:890f:c6ea:3f9b:7a39:cc3f"),
net.ParseIP("4d17:1d6e:e699:bd7a:88c5:5e7e:ac6a:4472"),
},
FlagArg: []string{
"c70c:db36:3001:890f:c6ea:3f9b:7a39:cc3f",
"4d17:1d6e:e699:bd7a:88c5:5e7e:ac6a:4472",
},
},
{
Want: []net.IP{
net.ParseIP("5170:f971:cfac:7be3:512a:af37:952c:bc33"),
net.ParseIP("93.21.145.140"),
net.ParseIP("2cac:61d3:c5ff:6caf:73e0:1b1a:c336:c1ca"),
},
FlagArg: []string{
" 5170:f971:cfac:7be3:512a:af37:952c:bc33 , 93.21.145.140 ",
"2cac:61d3:c5ff:6caf:73e0:1b1a:c336:c1ca",
},
},
{
Want: []net.IP{
net.ParseIP("2e5e:66b2:6441:848:5b74:76ea:574c:3a7b"),
net.ParseIP("2e5e:66b2:6441:848:5b74:76ea:574c:3a7b"),
net.ParseIP("2e5e:66b2:6441:848:5b74:76ea:574c:3a7b"),
net.ParseIP("2e5e:66b2:6441:848:5b74:76ea:574c:3a7b"),
},
FlagArg: []string{
`"2e5e:66b2:6441:848:5b74:76ea:574c:3a7b, 2e5e:66b2:6441:848:5b74:76ea:574c:3a7b,2e5e:66b2:6441:848:5b74:76ea:574c:3a7b "`,
" 2e5e:66b2:6441:848:5b74:76ea:574c:3a7b"},
},
}
for i, test := range tests {
var ips []net.IP
f := setUpIPSFlagSet(&ips)
if err := f.Parse([]string{fmt.Sprintf("--ips=%s", strings.Join(test.FlagArg, ","))}); err != nil {
t.Fatalf("flag parsing failed with error: %s\nparsing:\t%#v\nwant:\t\t%s",
err, test.FlagArg, test.Want[i])
}
for j, b := range ips {
if !b.Equal(test.Want[j]) {
t.Fatalf("bad value parsed for test %d on net.IP %d:\nwant:\t%s\ngot:\t%s", i, j, test.Want[j], b)
}
}
}
}
