coredns/plugin/file/tree/less_test.go
2022-07-10 11:06:33 -07:00

80 lines
2.3 KiB
Go

package tree
import (
"sort"
"strings"
"testing"
)
type set []string
func (p set) Len() int { return len(p) }
func (p set) Swap(i, j int) { p[i], p[j] = p[j], p[i] }
func (p set) Less(i, j int) bool { d := less(p[i], p[j]); return d <= 0 }
func TestLess(t *testing.T) {
tests := []struct {
in []string
out []string
}{
{
[]string{"aaa.powerdns.de", "bbb.powerdns.net.", "xxx.powerdns.com."},
[]string{"xxx.powerdns.com.", "aaa.powerdns.de", "bbb.powerdns.net."},
},
{
[]string{"aaa.POWERDNS.de", "bbb.PoweRdnS.net.", "xxx.powerdns.com."},
[]string{"xxx.powerdns.com.", "aaa.POWERDNS.de", "bbb.PoweRdnS.net."},
},
{
[]string{"aaa.aaaa.aa.", "aa.aaa.a.", "bbb.bbbb.bb."},
[]string{"aa.aaa.a.", "aaa.aaaa.aa.", "bbb.bbbb.bb."},
},
{
[]string{"aaaaa.", "aaa.", "bbb."},
[]string{"aaa.", "aaaaa.", "bbb."},
},
{
[]string{"a.a.a.a.", "a.a.", "a.a.a."},
[]string{"a.a.", "a.a.a.", "a.a.a.a."},
},
{
[]string{"example.", "z.example.", "a.example."},
[]string{"example.", "a.example.", "z.example."},
},
{
[]string{"a.example.", "Z.a.example.", "z.example.", "yljkjljk.a.example.", "\\001.z.example.", "example.", "*.z.example.", "\\200.z.example.", "zABC.a.EXAMPLE."},
[]string{"example.", "a.example.", "yljkjljk.a.example.", "Z.a.example.", "zABC.a.EXAMPLE.", "z.example.", "\\001.z.example.", "*.z.example.", "\\200.z.example."},
},
{
// RFC3034 example.
[]string{"a.example.", "Z.a.example.", "z.example.", "yljkjljk.a.example.", "example.", "*.z.example.", "zABC.a.EXAMPLE."},
[]string{"example.", "a.example.", "yljkjljk.a.example.", "Z.a.example.", "zABC.a.EXAMPLE.", "z.example.", "*.z.example."},
},
}
Tests:
for j, test := range tests {
// Need to lowercase these example as the Less function does lowercase for us anymore.
for i, b := range test.in {
test.in[i] = strings.ToLower(b)
}
for i, b := range test.out {
test.out[i] = strings.ToLower(b)
}
sort.Sort(set(test.in))
for i := 0; i < len(test.in); i++ {
if test.in[i] != test.out[i] {
t.Errorf("Test %d: expected %s, got %s", j, test.out[i], test.in[i])
n := ""
for k, in := range test.in {
if k+1 == len(test.in) {
n = "\n"
}
t.Logf("%s <-> %s\n%s", in, test.out[k], n)
}
continue Tests
}
}
}
}