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k3s/pkg/util/net_test.go

85 lines
2.0 KiB

package util
import (
"net"
"reflect"
"testing"
"github.com/urfave/cli"
)
func Test_UnitParseStringSliceToIPs(t *testing.T) {
tests := []struct {
name string
arg cli.StringSlice
want []net.IP
wantErr bool
}{
{
name: "nil string slice must return no errors",
arg: nil,
want: nil,
},
{
name: "empty string slice must return no errors",
arg: cli.StringSlice{},
want: nil,
},
{
name: "single element slice with correct IP must succeed",
arg: cli.StringSlice{"10.10.10.10"},
want: []net.IP{net.ParseIP("10.10.10.10")},
},
{
name: "single element slice with correct IP list must succeed",
arg: cli.StringSlice{"10.10.10.10,10.10.10.11"},
want: []net.IP{
net.ParseIP("10.10.10.10"),
net.ParseIP("10.10.10.11"),
},
},
{
name: "multi element slice with correct IP list must succeed",
arg: cli.StringSlice{"10.10.10.10,10.10.10.11", "10.10.10.12,10.10.10.13"},
want: []net.IP{
net.ParseIP("10.10.10.10"),
net.ParseIP("10.10.10.11"),
net.ParseIP("10.10.10.12"),
net.ParseIP("10.10.10.13"),
},
},
{
name: "single element slice with correct IP list with trailing comma must fail",
arg: cli.StringSlice{"10.10.10.10,"},
want: nil,
wantErr: true,
},
{
name: "single element slice with incorrect IP (overflow) must fail",
arg: cli.StringSlice{"10.10.10.256"},
want: nil,
wantErr: true,
},
{
name: "single element slice with incorrect IP (foreign symbols) must fail",
arg: cli.StringSlice{"xxx.yyy.zzz.www"},
want: nil,
wantErr: true,
},
}
for _, tt := range tests {
t.Run(
tt.name, func(t *testing.T) {
got, err := ParseStringSliceToIPs(tt.arg)
if (err != nil) != tt.wantErr {
t.Errorf("ParseStringSliceToIPs() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("ParseStringSliceToIPs() = %v, want %v", got, tt.want)
}
},
)
}
}