mirror of
https://github.com/coredns/coredns.git
synced 2025-10-29 01:04:15 -04:00
a84413bd07
* pkg/log: fix data race on d Wrap d in a mutex to prevent data race. This makes is slower, but this is a debugging aid anyway. It's not used normally. Signed-off-by: Miek Gieben <miek@miek.nl> * Fix tests compilation Signed-off-by: Miek Gieben <miek@miek.nl> * Fix test compile Signed-off-by: Miek Gieben <miek@miek.nl>
74 lines
1.5 KiB
Go
74 lines
1.5 KiB
Go
package debug
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
golog "log"
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/coredns/coredns/plugin/pkg/log"
|
|
|
|
"github.com/miekg/dns"
|
|
)
|
|
|
|
func msg() *dns.Msg {
|
|
m := new(dns.Msg)
|
|
m.SetQuestion("example.local.", dns.TypeA)
|
|
m.SetEdns0(4096, true)
|
|
m.Id = 10
|
|
return m
|
|
}
|
|
|
|
func TestNoDebug(t *testing.T) {
|
|
// Must come first, because set log.D.Set() which is impossible to undo.
|
|
var f bytes.Buffer
|
|
golog.SetOutput(&f)
|
|
|
|
str := "Hi There!"
|
|
Hexdumpf(msg(), "%s %d", str, 10)
|
|
if len(f.Bytes()) != 0 {
|
|
t.Errorf("Expected no output, got %d bytes", len(f.Bytes()))
|
|
}
|
|
}
|
|
|
|
func ExampleLogHexdump() {
|
|
buf, _ := msg().Pack()
|
|
h := hexdump(buf)
|
|
fmt.Println(string(h))
|
|
|
|
// Output:
|
|
// debug: 000000 00 0a 01 00 00 01 00 00 00 00 00 01 07 65 78 61
|
|
// debug: 000010 6d 70 6c 65 05 6c 6f 63 61 6c 00 00 01 00 01 00
|
|
// debug: 000020 00 29 10 00 00 00 80 00 00 00
|
|
// debug: 00002a
|
|
}
|
|
|
|
func TestHexdump(t *testing.T) {
|
|
var f bytes.Buffer
|
|
golog.SetOutput(&f)
|
|
log.D.Set()
|
|
|
|
str := "Hi There!"
|
|
Hexdump(msg(), str)
|
|
logged := f.String()
|
|
|
|
if !strings.Contains(logged, "[DEBUG] "+str) {
|
|
t.Errorf("The string %s, is not contained in the logged output: %s", str, logged)
|
|
}
|
|
}
|
|
|
|
func TestHexdumpf(t *testing.T) {
|
|
var f bytes.Buffer
|
|
golog.SetOutput(&f)
|
|
log.D.Set()
|
|
|
|
str := "Hi There!"
|
|
Hexdumpf(msg(), "%s %d", str, 10)
|
|
logged := f.String()
|
|
|
|
if !strings.Contains(logged, "[DEBUG] "+fmt.Sprintf("%s %d", str, 10)) {
|
|
t.Errorf("The string %s %d, is not contained in the logged output: %s", str, 10, logged)
|
|
}
|
|
}
|