coredns/plugin/file/closest_test.go
wencyu 2c99f62acb
plugin/file: fix label offset problem in ClosestEncloser (#7465)
Signed-off-by: yuwenchao <ywc689@163.com>
2025-08-20 16:02:41 -07:00

40 lines
862 B
Go

package file
import (
"strings"
"testing"
)
func TestClosestEncloser(t *testing.T) {
z, err := Parse(strings.NewReader(dbMiekNL), testzone, "stdin", 0)
if err != nil {
t.Fatalf("Expect no error when reading zone, got %q", err)
}
tests := []struct {
in, out string
}{
{"miek.nl.", "miek.nl."},
{"www.miek.nl.", "www.miek.nl."},
{"blaat.miek.nl.", "miek.nl."},
{"blaat.www.miek.nl.", "www.miek.nl."},
{"www.blaat.miek.nl.", "miek.nl."},
{"blaat.a.miek.nl.", "a.miek.nl."},
{"blaat.z.a.miek.nl.", "a.miek.nl."},
}
for _, tc := range tests {
ce, _ := z.ClosestEncloser(tc.in)
if ce == nil {
if z.origin != tc.out {
t.Errorf("Expected ce to be %s for %s, got %s", tc.out, tc.in, ce.Name())
}
continue
}
if ce.Name() != tc.out {
t.Errorf("Expected ce to be %s for %s, got %s", tc.out, tc.in, ce.Name())
}
}
}