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64 lines
1.3 KiB
Go
64 lines
1.3 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 setUpIP(ip *net.IP) *FlagSet {
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f := NewFlagSet("test", ContinueOnError)
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f.IPVar(ip, "address", net.ParseIP("0.0.0.0"), "IP Address")
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return f
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}
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func TestIP(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", true, "0.0.0.0"},
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{" 0.0.0.0 ", true, "0.0.0.0"},
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{"1.2.3.4", true, "1.2.3.4"},
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{"127.0.0.1", true, "127.0.0.1"},
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{"255.255.255.255", true, "255.255.255.255"},
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{"", false, ""},
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{"0", false, ""},
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{"localhost", false, ""},
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{"0.0.0", false, ""},
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{"0.0.0.", false, ""},
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{"0.0.0.0.", false, ""},
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{"0.0.0.256", false, ""},
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{"0 . 0 . 0 . 0", 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.IP
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f := setUpIP(&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.GetIP("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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