63 lines
1.3 KiB
Go
63 lines
1.3 KiB
Go
package pflag
|
|
|
|
import (
|
|
"fmt"
|
|
"net"
|
|
"os"
|
|
"testing"
|
|
)
|
|
|
|
func setUpIP(ip *net.IP) *FlagSet {
|
|
f := NewFlagSet("test", ContinueOnError)
|
|
f.IPVar(ip, "address", net.ParseIP("0.0.0.0"), "IP Address")
|
|
return f
|
|
}
|
|
|
|
func TestIP(t *testing.T) {
|
|
testCases := []struct {
|
|
input string
|
|
success bool
|
|
expected string
|
|
}{
|
|
{"0.0.0.0", true, "0.0.0.0"},
|
|
{" 0.0.0.0 ", true, "0.0.0.0"},
|
|
{"1.2.3.4", true, "1.2.3.4"},
|
|
{"127.0.0.1", true, "127.0.0.1"},
|
|
{"255.255.255.255", true, "255.255.255.255"},
|
|
{"", false, ""},
|
|
{"0", false, ""},
|
|
{"localhost", false, ""},
|
|
{"0.0.0", false, ""},
|
|
{"0.0.0.", false, ""},
|
|
{"0.0.0.0.", false, ""},
|
|
{"0.0.0.256", false, ""},
|
|
{"0 . 0 . 0 . 0", false, ""},
|
|
}
|
|
|
|
devnull, _ := os.Open(os.DevNull)
|
|
os.Stderr = devnull
|
|
for i := range testCases {
|
|
var addr net.IP
|
|
f := setUpIP(&addr)
|
|
|
|
tc := &testCases[i]
|
|
|
|
arg := fmt.Sprintf("--address=%s", tc.input)
|
|
err := f.Parse([]string{arg})
|
|
if err != nil && tc.success == true {
|
|
t.Errorf("expected success, got %q", err)
|
|
continue
|
|
} else if err == nil && tc.success == false {
|
|
t.Errorf("expected failure")
|
|
continue
|
|
} else if tc.success {
|
|
ip, err := f.GetIP("address")
|
|
if err != nil {
|
|
t.Errorf("Got error trying to fetch the IP flag: %v", err)
|
|
}
|
|
if ip.String() != tc.expected {
|
|
t.Errorf("expected %q, got %q", tc.expected, ip.String())
|
|
}
|
|
}
|
|
}
|
|
}
|