71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
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package pflag
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import (
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"fmt"
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"net"
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"os"
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"testing"
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)
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func setUpIPNet(ip *net.IPNet) *FlagSet {
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f := NewFlagSet("test", ContinueOnError)
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_, def, _ := net.ParseCIDR("0.0.0.0/0")
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f.IPNetVar(ip, "address", *def, "IP Address")
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return f
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}
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func TestIPNet(t *testing.T) {
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testCases := []struct {
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input string
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success bool
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expected string
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}{
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{"0.0.0.0/0", true, "0.0.0.0/0"},
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{" 0.0.0.0/0 ", true, "0.0.0.0/0"},
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{"1.2.3.4/8", true, "1.0.0.0/8"},
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{"127.0.0.1/16", true, "127.0.0.0/16"},
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{"255.255.255.255/19", true, "255.255.224.0/19"},
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{"255.255.255.255/32", true, "255.255.255.255/32"},
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{"", false, ""},
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{"/0", false, ""},
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{"0", false, ""},
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{"0/0", false, ""},
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{"localhost/0", false, ""},
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{"0.0.0/4", false, ""},
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{"0.0.0./8", false, ""},
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{"0.0.0.0./12", false, ""},
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{"0.0.0.256/16", false, ""},
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{"0.0.0.0 /20", false, ""},
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{"0.0.0.0/ 24", false, ""},
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{"0 . 0 . 0 . 0 / 28", false, ""},
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{"0.0.0.0/33", false, ""},
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}
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devnull, _ := os.Open(os.DevNull)
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os.Stderr = devnull
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for i := range testCases {
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var addr net.IPNet
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f := setUpIPNet(&addr)
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tc := &testCases[i]
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arg := fmt.Sprintf("--address=%s", tc.input)
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err := f.Parse([]string{arg})
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if err != nil && tc.success == true {
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t.Errorf("expected success, got %q", err)
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continue
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} else if err == nil && tc.success == false {
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t.Errorf("expected failure")
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continue
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} else if tc.success {
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ip, err := f.GetIPNet("address")
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if err != nil {
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t.Errorf("Got error trying to fetch the IP flag: %v", err)
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}
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if ip.String() != tc.expected {
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t.Errorf("expected %q, got %q", tc.expected, ip.String())
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}
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}
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}
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}
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