diff options
Diffstat (limited to 'ipnet_slice_test.go')
| -rw-r--r-- | ipnet_slice_test.go | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/ipnet_slice_test.go b/ipnet_slice_test.go new file mode 100644 index 0000000..11644c5 --- /dev/null +++ b/ipnet_slice_test.go @@ -0,0 +1,239 @@ +package pflag + +import ( + "fmt" + "net" + "strings" + "testing" +) + +// Helper function to set static slices +func getCIDR(ip net.IP, cidr *net.IPNet, err error) net.IPNet { + return *cidr +} + +func equalCIDR(c1 net.IPNet, c2 net.IPNet) bool { + if c1.String() == c2.String() { + return true + } + return false +} + +func setUpIPNetFlagSet(ipsp *[]net.IPNet) *FlagSet { + f := NewFlagSet("test", ContinueOnError) + f.IPNetSliceVar(ipsp, "cidrs", []net.IPNet{}, "Command separated list!") + return f +} + +func setUpIPNetFlagSetWithDefault(ipsp *[]net.IPNet) *FlagSet { + f := NewFlagSet("test", ContinueOnError) + f.IPNetSliceVar(ipsp, "cidrs", + []net.IPNet{ + getCIDR(net.ParseCIDR("192.168.1.1/16")), + getCIDR(net.ParseCIDR("fd00::/64")), + }, + "Command separated list!") + return f +} + +func TestEmptyIPNet(t *testing.T) { + var cidrs []net.IPNet + f := setUpIPNetFlagSet(&cidrs) + err := f.Parse([]string{}) + if err != nil { + t.Fatal("expected no error; got", err) + } + + getIPNet, err := f.GetIPNetSlice("cidrs") + if err != nil { + t.Fatal("got an error from GetIPNetSlice():", err) + } + if len(getIPNet) != 0 { + t.Fatalf("got ips %v with len=%d but expected length=0", getIPNet, len(getIPNet)) + } +} + +func TestIPNets(t *testing.T) { + var ips []net.IPNet + f := setUpIPNetFlagSet(&ips) + + vals := []string{"192.168.1.1/24", "10.0.0.1/16", "fd00:0:0:0:0:0:0:2/64"} + arg := fmt.Sprintf("--cidrs=%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 _, cidr, _ := net.ParseCIDR(vals[i]); cidr == nil { + t.Fatalf("invalid string being converted to CIDR: %s", vals[i]) + } else if !equalCIDR(*cidr, v) { + t.Fatalf("expected ips[%d] to be %s but got: %s from GetIPSlice", i, vals[i], v) + } + } +} + +func TestIPNetDefault(t *testing.T) { + var cidrs []net.IPNet + f := setUpIPNetFlagSetWithDefault(&cidrs) + + vals := []string{"192.168.1.1/16", "fd00::/64"} + err := f.Parse([]string{}) + if err != nil { + t.Fatal("expected no error; got", err) + } + for i, v := range cidrs { + if _, cidr, _ := net.ParseCIDR(vals[i]); cidr == nil { + t.Fatalf("invalid string being converted to CIDR: %s", vals[i]) + } else if !equalCIDR(*cidr, v) { + t.Fatalf("expected cidrs[%d] to be %s but got: %s", i, vals[i], v) + } + } + + getIPNet, err := f.GetIPNetSlice("cidrs") + if err != nil { + t.Fatal("got an error from GetIPNetSlice") + } + for i, v := range getIPNet { + if _, cidr, _ := net.ParseCIDR(vals[i]); cidr == nil { + t.Fatalf("invalid string being converted to CIDR: %s", vals[i]) + } else if !equalCIDR(*cidr, v) { + t.Fatalf("expected cidrs[%d] to be %s but got: %s", i, vals[i], v) + } + } +} + +func TestIPNetWithDefault(t *testing.T) { + var cidrs []net.IPNet + f := setUpIPNetFlagSetWithDefault(&cidrs) + + vals := []string{"192.168.1.1/16", "fd00::/64"} + arg := fmt.Sprintf("--cidrs=%s", strings.Join(vals, ",")) + err := f.Parse([]string{arg}) + if err != nil { + t.Fatal("expected no error; got", err) + } + for i, v := range cidrs { + if _, cidr, _ := net.ParseCIDR(vals[i]); cidr == nil { + t.Fatalf("invalid string being converted to CIDR: %s", vals[i]) + } else if !equalCIDR(*cidr, v) { + t.Fatalf("expected cidrs[%d] to be %s but got: %s", i, vals[i], v) + } + } + + getIPNet, err := f.GetIPNetSlice("cidrs") + if err != nil { + t.Fatal("got an error from GetIPNetSlice") + } + for i, v := range getIPNet { + if _, cidr, _ := net.ParseCIDR(vals[i]); cidr == nil { + t.Fatalf("invalid string being converted to CIDR: %s", vals[i]) + } else if !equalCIDR(*cidr, v) { + t.Fatalf("expected cidrs[%d] to be %s but got: %s", i, vals[i], v) + } + } +} + +func TestIPNetCalledTwice(t *testing.T) { + var cidrs []net.IPNet + f := setUpIPNetFlagSet(&cidrs) + + in := []string{"192.168.1.2/16,fd00::/64", "10.0.0.1/24"} + + expected := []net.IPNet{ + getCIDR(net.ParseCIDR("192.168.1.2/16")), + getCIDR(net.ParseCIDR("fd00::/64")), + getCIDR(net.ParseCIDR("10.0.0.1/24")), + } + argfmt := "--cidrs=%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 cidrs { + if !equalCIDR(expected[i], v) { + t.Fatalf("expected cidrs[%d] to be %s but got: %s", i, expected[i], v) + } + } +} + +func TestIPNetBadQuoting(t *testing.T) { + + tests := []struct { + Want []net.IPNet + FlagArg []string + }{ + { + Want: []net.IPNet{ + getCIDR(net.ParseCIDR("a4ab:61d:f03e:5d7d:fad7:d4c2:a1a5:568/128")), + getCIDR(net.ParseCIDR("203.107.49.208/32")), + getCIDR(net.ParseCIDR("14.57.204.90/32")), + }, + FlagArg: []string{ + "a4ab:61d:f03e:5d7d:fad7:d4c2:a1a5:568/128", + "203.107.49.208/32", + "14.57.204.90/32", + }, + }, + { + Want: []net.IPNet{ + getCIDR(net.ParseCIDR("204.228.73.195/32")), + getCIDR(net.ParseCIDR("86.141.15.94/32")), + }, + FlagArg: []string{ + "204.228.73.195/32", + "86.141.15.94/32", + }, + }, + { + Want: []net.IPNet{ + getCIDR(net.ParseCIDR("c70c:db36:3001:890f:c6ea:3f9b:7a39:cc3f/128")), + getCIDR(net.ParseCIDR("4d17:1d6e:e699:bd7a:88c5:5e7e:ac6a:4472/128")), + }, + FlagArg: []string{ + "c70c:db36:3001:890f:c6ea:3f9b:7a39:cc3f/128", + "4d17:1d6e:e699:bd7a:88c5:5e7e:ac6a:4472/128", + }, + }, + { + Want: []net.IPNet{ + getCIDR(net.ParseCIDR("5170:f971:cfac:7be3:512a:af37:952c:bc33/128")), + getCIDR(net.ParseCIDR("93.21.145.140/32")), + getCIDR(net.ParseCIDR("2cac:61d3:c5ff:6caf:73e0:1b1a:c336:c1ca/128")), + }, + FlagArg: []string{ + " 5170:f971:cfac:7be3:512a:af37:952c:bc33/128 , 93.21.145.140/32 ", + "2cac:61d3:c5ff:6caf:73e0:1b1a:c336:c1ca/128", + }, + }, + { + Want: []net.IPNet{ + getCIDR(net.ParseCIDR("2e5e:66b2:6441:848:5b74:76ea:574c:3a7b/128")), + getCIDR(net.ParseCIDR("2e5e:66b2:6441:848:5b74:76ea:574c:3a7b/128")), + getCIDR(net.ParseCIDR("2e5e:66b2:6441:848:5b74:76ea:574c:3a7b/128")), + getCIDR(net.ParseCIDR("2e5e:66b2:6441:848:5b74:76ea:574c:3a7b/128")), + }, + FlagArg: []string{ + `"2e5e:66b2:6441:848:5b74:76ea:574c:3a7b/128, 2e5e:66b2:6441:848:5b74:76ea:574c:3a7b/128,2e5e:66b2:6441:848:5b74:76ea:574c:3a7b/128 "`, + " 2e5e:66b2:6441:848:5b74:76ea:574c:3a7b/128"}, + }, + } + + for i, test := range tests { + + var cidrs []net.IPNet + f := setUpIPNetFlagSet(&cidrs) + + if err := f.Parse([]string{fmt.Sprintf("--cidrs=%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 cidrs { + if !equalCIDR(b, 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) + } + } + } +} |